Assoc. Prof. Dr. Rosma Ahmad

Expertise:

• Fermentation technology of indigenous food (vinegar, budu, bambangan)
• Evaluation of oligosaccharides and resistant starch as prebiotic
• Microbial and plant enzyme technology (pectinase, protease)

 {tab=Profile}

MY CONTACT INFORMATION

Assoc. Prof. Dr. Rosma Ahmad
Bioprocess Technology Divison
School of Industrial Technology
Universiti Sains Malaysia
11800 Penang
MALAYSIA

rosmah@usm.my
Phone: +604-6532118
Fax: +604-6536375

Related SDGs

Staff Profile

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Academic Session 2013/14

• IBK 201/3 Fundamentals of Bioprocess Technology
• IBK 104/3 Fundamentals of Bioprocess Technology
• IBK 402/4 Bioproduct Development  

Academic Session 2014/15

• IBK 104/3 Fundamentals of Bioprocess Technology
• IBK 402/4 Bioproduct Development 

Academic Session 2015/16

• IBK 104/3 Fundamentals of Bioprocess Technology
• IBK 402/4 Bioproduct Development 

Academic Session 2016/17

• IBK 104/3 Fundamentals of Bioprocess Technology
• IBK 402/4 Bioproduct Development

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RESEARCH INTEREST | RESEARCH PROJECT | SUPERVISION

RESEARCH INTEREST

• Development of food flavoring ingredients from yeast cell extract cultured in agricultural waste media
• Technological process development of local fermented foods such as ‘budu’ and vinegar
• Plant proteases and its potential application in food industries
• Antimicrobial activity of herbal extract and its potential application as natural preservative agent
• Potential of non-digestible polysaccharides (NDO) from oligosaccharide of palm oil fronds, sago hydrolysates or sago resistant starch as prebiotics

RESEARCH PROJECT | BACK TO TOP

As Principal Researcher

No	Grant	Project Title	Duration	Amount (RM)
1	USM Short Term	Pengaruh sisa pertanian sebagai media fermentasi terhadap protein intraselular yis	2002 - 2003	18,021
2	IRPA Short Term	Penggunaan enzim pendegradasi pektin dalam penghasilan pes cili	1998 - 1999	17,750
3	IRPA	Savoury Flavours From Potential Local Yeast (s) Isolate	1999 - 2001	36,000
4	IRPA	Flavour Development of yeast extract origin	2002 - 2005	183,000
5	IRPA	Purification and characterization of ripening enzymes in Jackfruit (Artocarpus heterophyllus) var Mastura	2000 - 2003	179,400
6	USM Short Term	Ekstrak Enzim Papain Berpotensi Komersil	2004 - 2006	17,988
7	IRPA Top-Down	Utilisation of Microorganisms and Their Metabolites For The Improvement of The Fermentation Process of Selected Malaysian Fish – And Vegetable/Fruit Based Foods	2004 - 2007	151,752
8	UPEN Terengganu	Production of yeast extract as food ingredient	2006 - 2010	452,000
9	FRGS Grant	Understanding the structure function of cempedak leaf protease	2007 - 2010	30,000
10	eScienceFund MOSTI	Isolation, Characterisation and Evaluation of Antimicrobial Activity of Selected Malaysian Herbs for Food Preservation	2007 - 2010	133,400
11	USM	Is Sago RS3 A Prebiotic?,	2012-2015	124,600
12	ERGS Grant	Exploring the potential use of flour and oligosaccharides from ubi gadong (Dioscorea hispida) as functional food ingredients	2013-2016	121,900
13	USM	Screening of Local Algal Strains for the Production of Extracellular Polysaccharides for Heavy Metal Sequestration	2015-2014	42,288
14	USM	Trekking Potential Contamination Niches in the Environment of Wet-Markets and Small Processing Plants and Diversity of Salmonella Serovars Isolated from Poultry Carcass in Penang, Malaysia	2014-2017	100,000

As Co-Researcher

No	Grant	Project Title	Duration	Amount (RM)
1	USM Short Term	Penghasilan bahan perisa dari legum melalui fermentasi terkawal	1998 - 1999	15,500
2	IRPA	Development of banana flour as innovative ingredient for application in health bakery products	2003 - 2005	168,000
3	USM Short Term	Penentuan kandungan mineral perlu (Zn) dan logam-logam berat toksik (Hg, Pb, As) dalam sediaan tongkat Ali (kombinasi atau tunggal) yang terdapat di pasaran dan juga secara semulajadi	2001 - 2002	13,872
4	USM Short Term	Penggunaan sisa pertanian sebagai substrat penghasilan xilitol oleh Candida utilis	2003 - 2005	20,000
5	eScienceFund MOSTI	A portal of an integrated molecular structure database of antimicrobial components from natural resources	2006 - 2008	96,966
6	USM RU Grant	Evaluation of the bioconversion of isoflavones by probiotics in soymilk and characterisation of the fermented soymilk during storage	2007 - 2010	181,479
7	USM RU Grant	Elucidation of the action of proteolytic enzymes involved in Malaysia fish sauce production	2007 - 2010	121,800
8	eScienceFund MOSTI	Microbial safety of freshwater fh telapia (Telapia mossambica) and catfish (Clarias gariepinus) fed with poultry carcasses and offals	2007 - 2009	232,720
9	eScienceFund MOSTI	Effects of synbiotic product on serum lipids profiles and morphology of red blood cells in human	2007 - 2009	203,000
10	FRGS Grant	Chemical reactivity and toxicity potential of insonated liquid food	2007 - 2010	71,000
11	JIRCAS	Development of an ethanol production system using oil palm sap	2007 -2009	367,435
12	USM RU Grant	Effects of membrane permeability on cholesterol removal by Lactobacilli and Bifidobacteria	2009 - 2011	246,681
13	eScienceFund MOSTI	Phytochemical and biological activity assessments of Malaysian Baccaurea sp.: Towards introducing an underutilized, endangered and endemic fruit species as a new commercial crop	2009 - 2011	109,000

SUPERVISION  | BACK TO TOP

POST GRADUATE SUPERVISION (as main supervisor)

Graduated PhD student

No	Name	Title	Year
1	Sabiha Hanim Saleh	Characterisation and potential application of oligosaccharide from palm oil trunk as prebiotic	2010
2	Rafidah Aida Ramli	Physicochemical characteristics of nontreated and calcium-infused jackfruit flesh during chilled storage	2011
3	Leong Yin Hui	Risk assessment of aflatoxins in nuts and nut products amongst adult population in the state of Pulau Pinang	2011
4	Osan Maroof Salim Bahumiz	Cinnamon Essential Oil As An Effective Preservative For Tilapia	2013
5	Alireza Shirazinejad	Application of lactic acid, nisin and chitosan on quality of prawn (Fenneropenaeus merguiensis)	2013
6	Tan Zi Ni	Physicochemical Properties and Prebiotic Potential of Native, Resistant and HCl-resistant Starches from Sago (Metroxylon sagu)	2016

Graduated MSc student

No	Name	Title	Year
1	Liong Min Tze	Optimisation of soluble yeast extract production from agricultural wastes	2003
2	Loo Siew Wai	In vitro fermentation of sago resistant starch by Lactobacillus spp. and Bifidobacterium animalis subsp. lactis	2006
3	Ooi Kuok Ing	Use of pineapple waste extract as fermentation medium for the production of biomass and cell protein of Candida utilis	2006
4	Rodiah Mohd Hassan	Pengekstrakan dan sifat-sifat ekstrak yis daripada Candida utilis	2007
5	Koh Chen Chung	Kajian terhadap aktiviti antimikrob ekstrak herba Malaysia terpilih	2007
6	Afiza Tan Sali	Kesan suhu fermentasi, jenis ikan dan kepekatan garam terhadap sifat fiziko-kimia budu	2008
7	Loo Chee Yeong	Pengaruh sisa pertanian berlainan terhadap protein intraselular yis Saccharomyces cerevisiae dan Candida utilis	2009
8	Cheong Mun Wai	Feasibility study of pineapple waste as substrate for yeast extract production	2009
9	Rinani Shima Abd Rashid	Enzymatic production of sago starch oligosaccharides and their fermentation by Lactobacillus spp.	2011
10	Ho Chun Hoong	Antimicrobial and antioxidant activities Orthosiphon stamineus Benth. crude extract with emphasis on rosmarinic acid content	2011
11	Siti Balqis Zulfigar	Purification and characterization of protease from Artocarpus integer leaf	2012
12	Eng Kean Tiek	Effects of pretreatment and ezymatic hydrolysis on oil palm frond for use as yeast cultivation medium	2012

Active PhD student

No	Name	Title
1	Napisah Hussin	Physicochemical Properties of Starch and Prebiotic Potential of Oligosaccharides from Dioscorea hispida
2	Leow Kim Teck	Polysaccharides from fruiting bodies of Pleurotus sajor-caju as a potential sources of prebiotics
3	Sylvia San danasamy	Assessment of mould extracts against dengue virus towards the discovery of active therapeutic agent for dengue disease
4	Siti Balqis Zulfigar	Elucidation of Artocarpus altilis latex protease and investigation of the fibrino(geno)lytic activity of the enzyme
5	Wan Awatif Haji Anuar	Antimicrobial and Active Therapeutic Agent for Antidiabetic Activity from Fungal Extracts

Active MSc student

No	Name	Title
1	Huda Awang	Feasibility of Manganese Sequestration by Genetically Modified Escherichia coli K-12

 

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JOURNALS & BOOKS | PROCEEDING | ORAL & POSTERS | PRESENTATIONS

JOURNAL & BOOKS | BACK TO TOP

Peer-reviewed  International Journal

Chuah, L-O., Shamila-Syuhada, A.K., Liong, M.T., Rosma, A., Thong, K.L. and Rusul, G. (2016) Physico-Chemical, Microbiological Properties of Tempoyak and Molecular Characterisation of Lactic Acid Bacteria Isolated from Tempoyak. Food Microbiology, 58, 95-104 (JIF: 3.682)

Budiati, T., Rusul, G., Wan-Abdullah, W.A. Chuah, L.O., Rosma, A. and Thong, K.L. (2016) Genetic Relatedness of Salmonella Serovars Isolated from Catfish (Clarias gariepinus) and Tilapia (Tilapia mossambica) obtained from Wet Markets and Ponds in Penang, Malaysia. Journal of Food Protection, 79(4), 659–665 (JIF: 1.609)

Hafiz NidaUllah, Mohd Omar, A.K., Ahmad Rosma, Nurul Huda and Saima Sohni (2016) Analysis of Salmonella Contamination in Poultry Meat at Various Retailing Different Storage Temperatures and Carcass Cuts – A Literature Survey. International Journal of Poultry Science, 15(3), 111-120

Li-Oon Chuah, Kien-Pong Yap,Kwai Lin Thong, Min Tze Liong, Rosma Ahmad, Ahamed Kamal Shamila-Syuhada, and Gulam Rusul (2016) Genome sequence of “Anthococcus”, a novel genus of the family Streptococcaceae isolated from flowers, Genome Announcements, 4(6), 1-2

Osan Maroof Bahurmiz, Rosma Ahmad, Noryati Ismail, Frederick Adzitey, Shaida-Fariza Sulaiman (2016) Antimicrobial Activity of Various Plant Extracts on Pseudomonas Species Associated with Spoilage of Chilled Fish. Turkish Journal of Agriculture - Food Science and Technology, 4(11), 1017-1023

Zi Ni, T., Rosma, A., Karim, A.A. and Liong, M.T. (2015) Functional Properties of Resistant Starch Type-III from Metroxylon sagu as Affected by Processing Conditions. Pertanika Journal of Tropical Agricultural Science, 38(3), 399-412

Tan Zi-Ni, Ahmad Rosma, Hussin Napisah, Alias A. Karim, and Min-Tze Liong (2015). Characteristics of Metroxylon sagu Resistant Starch Type III as Prebiotic Substance. Journal of Food Science, 80(4), H872-H882 (JIF: 1.649)

Saleh Sabiha-Hanim, Mohd Azemi Mohd Noor and Ahmad Rosma (2015). Fractionation of oil palm frond hemicelluloses by water or alkaline impregnation and steam explosion. Carbohydrate Polymers, 115, 533-539 (JIF: 4.074)

Adzitey, F., Rahmat Ali, G.R., Huda, N. and Rosma, A. (2013) Genetic Diversity in Salmonella Isolates from Ducks and their Environments in Penang, Malaysia using Enterobacterial Repetitive Intergenic Consensus. Pakistan Veterinary Journal, 33(3), 350-353 (JIF: 1.365)

Titik Budiati, Gulam Rusul, Wan Nadiah Wan-Abdullah, Yahya Mat Arip, Rosma Ahmad, Kwai Lin Thong (2013) Prevalence, antibiotic resistance and plasmid profiling of Salmonella in catfish (Clarias gariepinus) and tilapia (Tilapia mossambica) obtained from wet markets and ponds in Malaysia. Aquaculture, 372–375 (JIF: 2.009)

Yin Wei Mak, Li Oon Chuah, Rosma Ahmad, Rajeev Bhat (2013) Antioxidant and antibacterial activities of hibiscus (Hibiscus rosa-sinensis L.) and Cassia (Senna bicapsularis L.) flower extracts. Journal of King Saud University – Science, 25, 275-282

Adzitey, F., Rahmat Ali, G.R., Huda, N. and Rosma, A. (2013) Genotyping of Salmonella strains isolated from ducks and their environments in Penang, Malaysia using Repetitive Extragenic Palindromic (REP), Journal of Microbiology, Biotechnology and Food Sciences, 3(1), 87-93

Titik Budiati, Gulam Rusul, Wan Nadiah Wan-Abdullah, Yahya Mat Arip and Rosma Ahmad (2013) Comparison of sample preparation for the isolation of Listeria species in naturally contaminated catfish and tilapia samples. Emirates Journal of Food Agriculture, 25(8), 613-617

Wei-Seng Kiang, Rajeev Bhat, Lai-Hoong Cheng and Ahmad Rosma (2013) Effects of thermosonication on Escherichia coli O157:H7 and Salmonella Enteritidis as a function of pH and temperature. Journal of Medical and Bioengineering, 2(3), 177-181

Voon, H.C., Bhat, R., Karim, A. A. and Rosma, A. (2013). Composition of tree peony (Paeonia suffruticosa) and Chinese apple flower (Malus spp.) buds. International Food Research Journal, 20(13), 1173-1179

Frederick Adzitey, Gulam Rusul Rahmat Ali, Nurul Huda and Rosma Ahmad (2013) Genotyping of Salmonella strains isolated from ducks, their rearing and processing environments in Penang, Malaysia, using RAPD. 3 Biotech, 3, 521-527

Herpandi, Huda, N., Rosma, A. and Wan Nadiah, WA. (2013) Optimizing the enzymatic hydrolysis of skipjack tuna (Katsuwonus pelamis) dark flesh using alcalase® enzyme: a response surface approach. Journal of Fisheries and Aquatic Science, 8(4), 494-505

Darah Ibrahim, Nor-Hawani Salikin, Lim Sheh Hong, Rosma Ahmad and Haritharan Weloosamy (2013) Pomelo peels as alternative substrate for extracellular pectinase production by Aspergillus niger HFM-8. Malaysian Journal of Microbiology, 9(4), 308-316

Kiang, W.-S., Bhat, R., Rosma, A. and Cheng, L. –H.Effects of thermosonication on the fate of Escherichia coli O157:H7 and SalmonellaEnteritidis in mango juice. Letters in Applied Microbiology, 56, 251-257 (JIF: 1.622)

Herpandi, Huda, N, Rosma, A and Wan Nadiah, WA. (2012). Degree of hydrolysis and free tryptophan content of Skipjack Tuna (Katsuwonus pelamis) protein hydrolysates produced with different type of industrial proteases. International Food Research Journal, 19(3), 863-867

Goh, W.N., Rosma, A., Kaur, B., Fazilah, A., Karim, A.A. and Bhat, R (2012) Fermentation of black tea broth (Kombucha): I. Effects of sucrose concentration and fermentation time on the yield of microbial cellulose. Int. Fd Res. J., 19(1), 109-117

Goh, W.N., Rosma, A., Kaur, B., Fazilah, A., Karim, A.A. and Bhat, R (2012) Microstructure and physical properties of microbial cellulose produced during fermentation of black tea broth (Kombucha). Int. Fd Res. J., 19(1), 153-158

Leong, Yin-Hui, Aishah A. Latiff, Nurul Izzah Ahmad and Ahmad Rosma (2012) Exposure measurement of aflatoxins and aflatoxin metabolites in human body fluids. A short review. Mycotoxin Res., 28, 79-87

Leong, Yin-Hui, Ahmad Rosma, Aishah A. Latiff, A. Nurul Izzah (2012) Associations of serum aflatoxin B1–lysine adduct level with socio-demographic factors and aflatoxins intake from nuts and related nut products in Malaysia. International Journal of Hygiene and Environmental Health. 215, 368–372

Shahanaz Khatun, Md Ashraduzzaman, Md Rezaul Karim, Farzana Pervin, Nurul Absar and Ahmad Rosma (2012) Purification and Characterization of Peroxidase from Moringa Oleifera L. Leaves. Bioresources, 7(3), 3237-3251

Shahanaz Khatun, Farzana Pervin, Mohammad Rezaul Karim, Mohammad Ashraduzzaman and Ahmad Rosma (2012) Phytochemical screening and antimicrobial activity of Coccinia cordifolia L. plant. Pakistan Journal of Pharmaceutical Sciences, 25(4), 757-761

Lye, HS, Teh, SS, Lim, TJ, Rosma, A, Wan Nadiah, WA and Liong, MT (2011). Bioactivity of soymilk fermented by agrowastes-immobilized lactobacilli. Bri Food J., 114 (9), 1339-1353

Siti Balqis, Z and Rosma, A (2011). Artocarpus integer leaf protease : Purification and Characterization. Food Chemistry, 129, 1523-1529

Herpandi, Huda, N, Rosma, A and Wan Nadiah, WA. (2011). Tuna fishing industry; an outlook on fish protein hydrolysates. Comprehensive Reviews in Food Science and Food Safety, 10(4), 195-207

Leong, YH, Ismail, I, Latiff, AA, Manaf, NA and Rosma, A (2011). Determination of aflatoxins in commercial nuts and nut products by using liquid chromatography tandem mass spectrometry. World Mycotoxin Journal, 4(2), 119-127

Leong, YH, Rosma, A, Latiff, AA and Manaf, NA (2011). Exposure assessment and risk characterization of aflatoxin B1 in Malaysia. Mycotoxin Research, 27, 207-214

Ooi, LG, Rosma, A, Yuen, KH and Liong, MT (2011). Hypocholesterolemic effects of probiotic-fermented dairy products. Milchwissenschaft, 66(2), 128-132

Sabiha-Hanim, S, Mohd Noor, MA and Rosma, A (2011). Effect of autohydrolysis and enzymatic treatment on oil palm (Elaeis guineensis Jacq.) frond fibres for xylose and xylooligosaccharides production. Bioresour. Tech., 102, 1234-1239

Ooi, LG, Rosma, A, Bhat, R, Yuen, KH and Liong, MT (2010). A Lactobacillus acidophilus CHO-220 and inulin synbiotic improves irregularity of RBC. J Dairy Sci., 93, 4535-4544

Teh, SS, Rosma, A, Wan Nadiah, WA and Liong, MT (2010). Growth Characteristics of Agrowastes-Immobilized Lactobacilli in Soymilk during Refrigerated Storage. Int J Food Sci Tech, 45, 2089-2095

Ooi, LG, Rosma, A, Yuen, KH and Liong, MT (2010). L. acidophilus CHO-220 and inulin reduced plasma total- and LDL-cholesterol via alteration of lipid transporters. J Dairy Sci., 93, 5048-5058

Ooi, LG, Rosma, A, Yuen, KH and Liong, MT (2010) Hypocholesterolemic effects of probiotic-fermented dairy products. Milchwissenschaft , 64 (1), 17-21

Ho, CH, Noryati, I, Shaida, FS and Rosma, A (2010) In vitro antibacterial and antioxidant ativities of Orthosiphon stamineus Benth. extracts against food-borne. Food Chemistry. 122(4), 1168-1172

Siew-Wai, L, Zi-Ni, T, Karim, AA, Hani, NM and Rosma, A (2010) Fermentation of Metroxylon sagu resistant starch type III by Lactobacillus sp. and Bifidobacterium bifidum. J Agric Food Chem. 58, 2274-2278

Teh, SS, Rosma, A, Wan Nadiah, WA, and Liong, MT (2010) Enhanced Growth of Lactobacilli in Soymilk at Refrigerated Temperature upon Immobilization on Agrowastes. J. Food Sc., 75: M155-M164(1)

Leong YH, Ismail, N, Latiff, AA and Rosma, A (2010) Aflatoxin occurrence in nuts and commercial nutty products in Malaysia. Food Control. 21, 334-338

Teh, SS, Rosma, A, Wan Nadiah, WA and Liong, MT. (2009) Evaluations of Agrowastes as Immobilizers for Probiotics in Soymilk. J Agri Food Chem. 57, 10187-10198

Rosma, A, Afiza TS, Wan Nadiah, WA, Liong, MT and Rahmat Ali, GR (2009) Microbiological, histamine and 3-MCPD contents of Malaysian unprocessed ‘budu’. Int. Fd Res. J. 16, 589-594

Fung WY, Woo, YP, Wan Nadiah, WA, Rosma, A, Easa, AM and Liong, MT (2009) Benefits of probiotics: Beyond gastrointestinal health. Milchwissenschaft , 64 (1), 17-21

Peer-reviewed National Journal

Rosma, A. and Cheong, M.W. (2007) Effects of nitrogen supplementation on yeast (Candida utilis) biomass production by using pineapple waste (Ananas comosus) waste extracted medium. Malaysian Journal of Microbiology, Vol 3(1), 19-26

Rosma, A., and Ooi, K.I. (2006) Production of Candida utilis biomass and intracellular protein content: effect of agitation speed and aeration rate. Malaysian Journal of Microbiology, Vol 2(2), pp 15-18.

Rosma A., Liong M.T., Mohd Azemi, M.N. and Wan Nadiah, W.A. (2005) Optimization of Single Cell Protein Production by Candida utilis Using Juice Extracted from Pineapple Waste through Response Surface Methodology. Malaysian Journal of Microbiology, Vol 1(1), pp 18-24.

Rosma, A, Amiza, M.A., Manan, D.M.A. and Junaidah, A (1999). Polygalacturonase activity on Chilli (Capsicum annum) Paste Quality. J. of Bioscience. 10 (2) 13-18

Chapter in Book

Senapati, A.K., Rosma, A., Siti Nadiah A.H., Dev Raj, Prajapati, J.P., Kaushal, M., Olotu, O.O., Ijabadeniyi, O.A., Lakhanpal, P., Pinto, S.V., Tanasupawat, S., Joshi, V.K. and Wan Nadiah W.A. (2016). Quality and Safety of Indigenous Fermented Foods. In: (VK Joshi, ed.), Indigenous Fermented Foods of Southeast Asia. Taylor and Francis Group, pp 259-308.

Rosma, A., Siti Nadiah, A.H., Anup Raj, Tanasupawat, S., Sharma, S. and Joshi, V.K.. Acetic Acid Fermented Food Products. In: (VK Joshi, ed.), Indigenous Fermented Foods of Southeast Asia. Taylor and Francis Group, pp 597-643.

Rosma, A., Singh, A., Ann, A., Anup Raj, Gupta, A., Kumar, A., Thilakarathne, B.M.K.S., Neopany, B., Angchok, D., Chye, F.Y., Rapsang, G.F., Vyas, G., Noamichi, I., Kabir, J., Bala, K.L., Ruddle, K., Sim, K.Y., Targais, K., Preema Devi, M., Reza, M.S., Sharma, N., Majumdar, R.K., Joshi, S.R., Thokchom, S., Tanasupawat, S., Kumar, S., Stobdan, T., Joshi, V.K., Kumar, V. and Wan Nadiah, W.A. (2016). Fermented Meat Products, Fish and Fish Products, Alkaline Fermented Foods, Tea, and Other Related Products. In: (VK Joshi, ed.), Indigenous Fermented Foods of Southeast Asia. Taylor and Francis Group, pp 645-713

Liong, MT, Rosma, A, Mohd Azemi, MN and Wan Nadiah, WA (2004) The production of soluble cell extracts from yeasts grown on agrowastes. Current Studies on Biotechnology, Vol III-Food, Croatian Society of Biotechnology and Medicinska Naklada, Zagreb, Croatia, pp 93-104

Eng, KT, Ooi, KI, Rosma, A and Mohd Azemi, MN (2005) Potential of Oil Fronds (OPF) as Cultivation Media for Yeast Growth. In: Lignocellulose: Materials for the future from the tropics (Tanaka, R. & Cheng, L.H., eds) JIRCAS Working Report No. 39, pp 134-138. Japan International Research Center for Agricultural Sciences, Tsukuba, Japan.

Siow, LF, Wan Nadiah, WA, Rosma, A and Mohd Azemi, MN (2005). Comparison Between Various Lignocellulosic Hydrolysates as the Substrates for the Production of Xylitol and Biomass by Candida utilis. In: Lignocellulose: Materials for the future from the tropics (Tanaka, R. & Cheng, L.H., eds) JIRCAS Working Report No. 39, pp 148-152. Japan International Research Center for Agricultural Sciences, Tsukuba, Japan.

Loo, CY, Liong, MT, Rosma, A, Mohd Azemi, MN and Wan Nadiah, WA (2005). Yeast Growth and Protein Quality Cultivated in Lignocellulose Material. In: Lignocellulose: Materials for the future from the tropics (Tanaka, R. & Cheng, L.H., eds). JIRCAS Working Report No. 39. pp 139-143. Japan International Research Center for Agricultural Sciences, Tsukuba, Japan.

 

PROCEEDING | BACK TO TOP

International Proceedings

Kimteck Leow and Ahmad Rosma (2016). Water-Soluble Polysaccharides from Pleurotus pulmonarius are resistant to human digestion system in ‘Science and cultivation of edible and medicinal fungi: Mushroom Science IXX’, ed. by A.S.M. Sonnenberg & J.J.P. Baars. Proceedings of the 19th Congress of the International Society for Mushroom Science, Amsterdam, the Netherlands, 30 May–2 June 2016. International Society for Mushroom Science. Amsterdam. pp 285-288

Shirazinejad, A.R., Noryati, I., Rosma, A. And Darah, I. (2010). Effect of lactic acid and lactate on survival of food pathogens. Proceedings of the International Conference on Agricultural and Animal Science (Baby, S. et al, eds), ISBN 978-1-84626-022-3, pp 168-172

Teh, SS, Rosma, A, Wan Nadiah, WA and Liong, MT (2009) Agrowastes as biocatalysts for probiotics in soymilk, Proceedings of 5th probiotics, prebiotics and new foods. Vol 5, No. 2, 53-57, Aula Newman, Rome

Wong, WW, Phuah, ET, Abbas Al-Kharkhi, Liong, MT, Wan Nadiah, WA, Rosma, A and Easa, AM (2008) Biosorbent Ingredients from Durian Rind Waste. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp92-94

Wong, WW, Lim, TJ, Ho, CK, Liong, MT, Wan Nadiah, WA, Rosma, A and Easa, AM (2008) Modification of Durian Aril and Rind Slurries by Using Amylase, Cellulase and Pectinase Enzymes. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp205-208

Rosma, A, Cheong, MW, Liong, MT, Wan Nadiah, WA and Easa, AM (2008) Cempedak (Artocarpus integer) leaf as a new source of proteolytic enzyme for meat tenderization. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp56-60

Rosma, A, Cheong, MW, Liong, MT, Wan Nadiah, WA and Easa, AM (2008) Taste components of soluble extract from yeasts grown on agrowastes. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp201-204

Liong, MT, Rosma, A, Easa, AM, Afiza, TS and Wan Nadiah, WA (2008) Vitamin-B Contents of Yeast Extracts From Yeasts Grown on Agro Wastes. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp197-200

Zulkurnain, M, Fung, WY, Wan Nadiah, WA, Rosma, A, Easa, AM and Liong, MT (2008) Optimization of Cellular Protein from Candida utilis Grown in Pineapple Waste Medium. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp209-212

Fung, WY, Zulkurnain, M, Nadiah, WA, Rosma, A, Easa, AM and Liong, MT (2008) Evaluation of Vitamin-B Profiles from Candida utilis Grown in Pineapple Waste Medium. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp213-217

Wan Nadiah, WA, Rosma, A, Liong, MT, Easa, AM, Afiza, TS, Lim, HC and Foo, CS (2008) Effects of oven drying methods ond the characteristics of budu-based seasoning powder. Proceedings of International Conference on Environmental Research and Technology (Teng, T.T. et al, eds) ISBN 978-983-3986-29-3, pp191-196

Najiha, AA, Tajul, AY, Rosma, A, Liong, MT and Wan Nadiah, WA (2008) Halal limits for alcohol contents in foods. Proceedings of PATPI 2008, 14-16 Oct 2008, Palembang, Indonesia

Klaib, AF, Zurihnani, Z, Ahamed,NH, Rosma,A and Wahidah, H. (2007) Application of exact string matching algoritms towards SMILES representation of chemical structure. Proceedings of World Academy of Science, Engineering and Technology, Vol 23, 368-372

Huda, N and Rosma, A. (2006) Budu and tukai - endemic fermented fish products from West Sumatra. Infofish International 3/2006, pp 49-51

Ibrahim, CO, Darah, I, Rosma, A and Sudesh, K (2006) Utilisation of Malaysian Agrowaste Resources for the Generation of Value Added Products Via Fermentation Processes. 2nd International Congress on Bioprocesses in Food Industries. Universiti of PATRAS, pp 43-45.

Mohd Azemi, MN, Suraiami, M, Rosma, A and Amiza, MA (2001). The Production of Yeast Cells From Palm Oil Mill Effluent (POME). Proceedings of USM-JIRCAS Joint International Symposium. 20-22 March 2001, Penang, p 67-75

Rosma, A, Das, K, Anis, M and Ismail, N (1993). Production of glutamic acid by Brevibacterium lactofermentum from palm waste hydrolysate. Proceedings of Asean-Austr. Biotech. Co-op. under 11 th Australian Biotechnology Conference., Sept 20-24, Perth, West Australia, p 222-223.

ORAL & POSTERS | BACK TO TOP

Sandanamsamy, S., Ahmad, R., Osman, H. and Lai, N.S. (2016) Antihepatitis C Virus Potential of Malaysian Fungal Isolate Crude Extracts. Paper presented in the 4^th International Conference on Computation of Science and Technology (ICCST), 3^rd-4^th November 2016, Langkawi, Malaysia.

Koh, W-Y, Utra, U, and Rosma, A. (2016) Screening for lactic acid bacteria, yeast and acetic acid bacteria based on probiotic and antidiabetic potential and application in pumpkin water kefir beverage. Paper presented in International Conference on Beneficial Microbes, 31^st May-2^nd June 2016, Phuket, Thailand

Chuah, L-O, Rusul, G., Liong, M.T., Rosma, A. and Thong, K.L. (2016) Molecular typing of lactic acid bacteria (LAB) using pulse-field gel electrophoresis (PFGE). Paper presented in International Conference on Beneficial Microbes, 31^st May-2^nd June 2016, Phuket, Thailand

Chung See Hui Constance Ann, Wan Nadiah Wan Abdullah and Rosma Ahmad (2014) Effectiveness of garbage enzyme as detergent and fertilizer. Paper presented in International Conference on Beneficial Microbes, 27-29 May 2014, Parkroyal Penang Resort

Rosma Ahmad (2012) Use of plant materials as antimicrobial agents in preservation of aquaculture products. Paper presented in the 5^th International Seminar of Indonesian Society for Microbiology, 20-22 September 2012, Manado, Indonesia

Napisah Hussin and Rosma Ahmad (2012) Prebiotic Characteristics of Metroxylon sagu Oligosaccharides. Paper presented in the 5^th International Seminar of Indonesian Society for Microbiology, 20-22 September 2012, Manado, Indonesia

Tan Zi Ni, Abdul Karim alias, Liong Min Tze and Rosma Ahmad (2012) Fermentability of Metroxylon sagu Resistant Starch by Lactic Acid Bacteria and Pathogen. Paper presented in the 5^th International Seminar of Indonesian Society for Microbiology, 20-22 September 2012, Manado, Indonesia

Nadiah Hassan and Rosma Ahmad (2012) The fermentation study of Nypa fruticans sap. Paper presented in the 5^th International Seminar of Indonesian Society for Microbiology, 20-22 September 2012, Manado, Indonesia

Nurul Shafiqah Hashim, Shaida Fariza Sulaiman, Rosma Ahmad and Kheng Leong Ooi (2011) Determination of antioxidant activities of different extracts of Baccaurea motleyana and Baccaurea macrocarpa. Paper presented in the International Conference on Traditional Medicine, 29-30 November 2011, Penang

Yin-Hui Leong, Noryati Ismail, Aishah A. Latiff, Nurul Izzah Ahmad and Ahmad Rosma (2010). Occurrence and risk assessment of aflatoxin B₁ in Malaysia: application of the margin of exposure (MoE). Paper presented in the 6^th conference of “The World Mycotoxin Forum”, 8 -10 November 2010, the Netherlands

Ooi, L.G., Rosma, A., Yuen, K.H. and Liong, M.T. (2010) Improved lipid profiles in human subjects upon consumption of bile salt hydrolase producing probiotics. BIT’s 1^st Inaugural Symposium on Enzymes and Biocatalysis. 22-24 April 2010, Shanghai, China

Ooi, L.G., Rosma, A., Yuen, K.H. and Liong, M.T. (2010) Effects of bile salt hydrolase on plasma bile concentrations in hypercholesterolemic subjects. BIT’s 1^st Inaugural Symposium on Enzymes and Biocatalysis. 22-24 April 2010, Shanghai, China

Shirazinejad, A.R., Noryati, I., Rosma, A. and Darah, I. (2009) 16S rRNA gene sequencing for identification of Staphylococcus spp. Isolated from prawn (Penaeus merguiensis). Paper presented in 2^nd National Symposium on Fermentation Technology, 14-15 Dec 2009, MITC, Malacca

Shirazinejad, A.R., Noryati, I., Bahurmiz, O., Rosma, A. and Darah, I. (2009) Utilization of Lactobacillus sp. Isolated form Prawn in the Control of Marine Pathogens. Paper presented in 6th Food Science and Technology Seminar, 14-15 Feb 2009, Sabah

Shirazinejad, A.R., Noryati, I., Bahurmiz, O.M., Rosma, A. and Darah, I. (2009) Antimicrobial properties and Kinetic growth of selected Lactobacillus spp. against selected pathogenic and spoilage bacteria. Paper presented in International Congress of Malaysian Society for Microbiology, 1-4 December 2009, Penang

Rosma Ahmad, Liong Min Tze and Wan Nadiah Wan Abdullah (2009) Protein and amino acid qualities of cell extract of yeast cultured on agro-wastes. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Cheong Mun Wai and Rosma Ahmad (2009) Supplementation of nitrogen and growth factor in pineapple waste extract medium for maximum yeast (Candida utilis) biomass production. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Mohd Fadzirul Hezly and Rosma Ahmad (2009) Production and characterization of protease from thermophilic Bacillus subtilis PC0.1. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Siti Balqis Zulfigar and Rosma Ahmad (2009) Neutral protease activity of Artocarpus integer’s leaf. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Ho Chun Hoong and Rosma Ahmad (2009) Bactericidal activity of Orthosiphon stamineus crude extract. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Rinani Shima Ab Rashid, Mohd Azemi Mohd Noor and Rosma Ahmad (2009) Fermentation of sago starch short chain oligosaccharides (SCO) by Lactobacillus sp. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Sabiha Hanim Saleh, Mohd Azemi Mohd Noor and Rosma Ahmad (2009) Xylo-oligosaccharides production of oil palm (Elaeis guineensis Jacq.) fronds hemicellulose using hydrothermal treatment followed by enzymatic hydrolysis. Paper presented in 2nd USM-UNAIR Collaborative Conference, 10-11 Feb 2009, Surabaya, Indonesia

Yin-Hui Leong, Noryati Ismail, Aishah A. Latiff, Nurul Izzah Ahmad and Ahmad Rosma (2010). Occurrence and risk assessment of aflatoxin B1 in Malaysia: application of the margin of exposure (MoE). The 6th conference of “The World Mycotoxin Forum”, 8 -10 November 2010, the Netherlands.

{tab=Recognitions}

Academic Recognition

Academic Staff Training Fellowship (1993-1997): Awarded for the postgraduate studies (PhD by Research) in University of Strathclyde, Glasgow, UK by Universiti Sains Malaysia (USM).

Excellent Service Award (2003), by Universiti Sains Malaysia

Research Fellowship For Foreign Specialists (2007), by Forestry and Forest Products Research, Japan

Research Fellowship For Foreign Specialists (2008), by Forestry and Forest Products Research, Japan

Excellent Service Award (2009), by School of Industrial Technology, USM

Excellent Service Award (2010), by School of Industrial Technology, USM

Excellent Service Award (2011), by School of Industrial Technology, USM

Visiting Scientist to RIKEN, Yokohama Japan, 14/12/2014-16/12/2014

Thesis Assessor (MSc)

No	Name	Thesis Title	Institution	Year
1	Abd Mutalib Mohd Jani	Pelunturan Berenzim Kanji Sagu (Metroxylon sagu)	Universiti Sains Malaysia	2001
2	Norfezah Md. Nor	Kajian ke atas sifat fiziko-kimia dan organoleptik kacang hijau (Vigna radiata) dan produk tradisional berasaskan kacang hijau semasa penstoran ambient	Universiti Sains Malaysia	2002
3	Lee Chee Keong	Development of an Enzymatic Deinking System of Laser Printed Waste Papers	Universiti Sains Malaysia	2005
4	Ramli Hassan	Penghasilan sistem enzim oleh mikroorganisma dalam sistem perfermentasian keadaan pepejal pada hampas isirong kelapa sawit (PKC) dan kesannya ke atas penyediaan makanan ternakan	Universiti Sains Malaysia	2005
5	Ernawita	Bioassay-guided fractionation and identification of antioxidant and antimicrobial compounds from Callistemon viminalis (Gaertn.) G. Don	Universiti Sains Malaysia	2008
6	Arnieyantie Abdul Hadi	Mengkaji faktor-faktor yang mempengaruhi keselamatan dalam penyediaan dan hidangan makanan pukal	Universiti Sains Malaysia	2008
7	Herman Hadafi Mohamad	Production of laccase for enzymic bleaching of sago starch from potential fungi	Universiti Malaysia Sabah	2009
8	Phang Pei Kheng (PhD)	Production of cellulase and  xylanase from local fungal isolate Aspergillus niger Al-1 via solid state fermentation and its application in deinking of mixed office waste paper	Universiti Sains Malaysia	2010
9	Seyed Sadegh Mousavi	Influence of Medium Formulation and Culture Conditions on Folate Production by Lactic Acid Bacteria	Universiti Putra Malaysia	2010
10	Nurazila Yusoff	Cloning and Expression of Thermostable Protease	Universiti Malaysia Kelantan	2012
11	Suguna a/p Migeemanathan	Studies on the Effects of Shifting Temperatures on Listeria monocytogenes and Salmonella Typhimurium in Goat Milk Samples Collected from Local Dairy Farms	Universiti Sains Malaysia	2012
12	Vanee A/P Ganesh	Virtual screening and in vitro assay of potential inhibitors against DEN2 NS2B-NS3 protease.	Institut Farmaseutikal dan Nutraseutikal Malaysia (IPharm).	2016
13	Shamila Syuhada Ahamed Kamal	Effect of hydrogen peroxide, lactoperoxidase and ultrasound on microbiological quality and safety of raw milk	Universiti Sains Malaysia	2017

 Thesis Assessor (PhD)

1	Phang Pei Kheng	Production of cellulase and xylanase from local fungal isolate Aspergillus niger Al-1 via solid state fermentation and its application in deinking of mixed office waste paper.	Universiti Sains Malaysia	2009
2	Ewe Joo Ann	Growth Properties and Bioconversion of lsoflavones by Lactobacilli in Soymilk Supplemented with B-Vitamins and the Effects of Physical Treatments on Their Bioactivities	Universiti Sains Malaysia	2012
3	Frederick Adzitey	Prevalence, Antibiotic Resistance and Genetic Diversity of Campylobacter species, Salmonella Serovars and Listeria monocytogenes Isolated from Ducks, Their Rearing and Processing Environments in Penang, Malaysia	Universiti Sains Malaysia	2012
4	Joni Agustian	Enantioselective Resolution of Racemic Atenolol through Lipase Mediated Transesterification and Hydrolysis Process	Universiti Sains Malaysia	2014
5	Nur Asshifa Md Noh	Rhamnolipid Production via Fed-batch Fermentation and Its Potential on Crude Oil Processing	Universiti Sains Malaysia	2014
6	Yasmin Che Ani	The Influence of Functionalized Mesoporous Support Morphologies on Immobilized Enzyme in the Production of Citronellol Ester	Universiti Sains Malaysia	2015
7	Siti Fatihah Salleh	Biomass and Biohydrogen Production of Cyanobacterium Anabaena Variabilis sp.	Universiti Sains Malaysia	2015
8	Khoo Miew Leng	In vitro, in vivo anticandida activity and toxicity studies of alginate/eudragit (R) S 100-enclosed chitosan-calcium phosphateloaded Fe-Blf nancapsules (NCs).	Universiti Sains Malaysia	2016
9	Fadzil Noor Gonawan	Beta-galactosidase perantara disekat gerak untuk penukaran laktosa: kajian proses, kinetik dan permodelan	Universiti Sains Malaysia	2016
10	Vijayarathna A/P Soundarajan	Kajian asas mekanisme tindakan polifenolik daripada Polyalthia longifolia dalam sel hela berkaitan dengan pengawalan mirna	Universiti Sains Malaysia	2017
11	Chan Mooi Kwan	Expression of Recombinant DNA Topoisomerase I and Analysis of the Enzymes Activity Using Flavonoids and Camptothecin	Universiti Sains Malaysia	2017

 

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CONSULTANCY | COMMUNITY SERVICES | DOWNLOAD

CONSULTANCY | BACK TO TOP

• Pustaka Padu Sdn. Bhd.
• Mutiara Nuri-Ayu Sdn. Bhd.
• MADA, Kedah
• Hexagon Emas
• Teck Tion Trading
• Organic & Fresh Food Industry Sdn. Bhd.
• Yamay Corporation Sdn. Bhd.
• Unit Peladang Sungai Batu
• Desand Enterprise
• Kwong Bee Chun Sdn. Bhd.
• Zulian (M) Sdn. Bhd.

COMMUNITY SERVICES | BACK TO TOP

• Vice President. Parent-Teacher Association. SK Bukit Gambir (2006/07)
• Committee member. Parent-Teacher Association. SK Bukit Gambir (2005/06)
• Committee member. Board of Directors. Minden Cooperative Kindergarten (2006/07)
• Committee member. Kelab Kebajikan Ibubapa & Pengasuh Hadhanah, Pusat Islam, USM (2003/04)

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