Dr. Ahmad Cheikhyoussef Biography

	Research Interests Food Microbiology Bacteriocins from LAB & Bifidobacteria Prebiotics & Probiotics Functional Foods & Drinks Indigenous Knowledge Systems Technology Traditional Foods & Beverages
	Consultancies Scientific Advisor for Food Safety Standards for Namibia Islamic Halaal Association (NIHA), Windhoek, Namibia
	Teaching assignments NA
Room:   E031 Phone:   061 206 3283 Fax:       061 206 3050 Email: acheikhyoussef@unam.na	Biography in brief Dr. Cheikhyoussef is a Syrian. He has been involved in Food Science and Technology research for the past 10 years with emphasis on Food Microbiology and Food Safety.  He worked for the Syrian Food Safety Bureau (SFSB) as the deputy manager in the Food Biochemistry and Microbiology Laboratory for six months after which he embarked on his PhD studies in China. Now he is living in Namibia and working at UNAM-MRC as a researcher within Research, Innovation and Value-addition Division on IKST Namibian Traditional Foods and Beverages program
	Project supervision & co-supervision IKST Namibian Traditional Foods and Beverages program supervisor: This program will concentrate on the Namibian Traditional Foods and Beverages; Research, development, and commercialization.

Curriculum Vitae

Qualifications:

• Ph.D. (Food Science: Food Microbiology), Jiangnan University, Wuxi, China, 2008.
• Antimicrobial activity of bifidobacterial bacteriocins; their purification and characterization
• M.Sc. (Food Science: Food Microbiology and Food Safety), Southern Yangtze University, Wuxi, China, 2004.
• Studying the antimicrobial activity of lactic acid bacteria (LAB) and bifidobacteria including their inhibitory activities toward harmful bacteria
• B.Sc. (Natural Science: Biology and Biochemistry), Tishreen University, Lattakia, Syria, 1998.

• Assuring the Microbiological Safety of Food (HACCP), May 2002, Southern Yangtze University, Wuxi, China.

Membership to Organizations:

NA

Recent Professional Activities:

• Reviewer at Food Control journal, Science Direct.

• Reviewer at SCIENCE ALRET in the field of Food Science and Technology since March 2010.

• Technical Editor,  American Journal of Food Technology and Microbiology Journal, SCIENCE ALRET

Publications

Articles:

A. Cheikhyoussef, N. Cheikhyoussef, C. Haiqin, T. Fengwei, C. Wei, T. Jian and H. Zhang (2010). Bifidin I – A new bacteriocin produced by Bifidobacterium infantis BCRC 14602: Purification and partial amino acid sequence.  Food Control, 21(5): 746–753. DOI: doi:10.1016/j.foodcont.2009.11.003

Ahmad Cheikhyoussef, Natascha Pogori, Jian Tang, Wei Chen, Hao Zhang (2009). Comparison of three different methods for the isolation of bacteriocin-like - inhibitory substances from Bifidobacterium infantis BCRC 14602. Journal of Rapid Methods &Automation in Microbiology, 17(2): 182-194. DOI: 10.1111/j.1745-4581.2009.00167.x

A. Cheikhyoussef, N. Pogori, C. Haiqin, T. Fengwei, C. Wei, T. Jian and H. Zhang (2009). Antimicrobial activity and Partial Characterization of bacteriocin-like inhibitory substances (BLIS) produced by Bifidobacterium infantis BCRC 14602. Food Control, 20 (6): 553-559. DOI: 10.1016/j.foodcont.2008.08.003

Natascha Pogori, Ahmad Cheikhyoussef, Yan Xu and Dong Wang (2008) Production and biochemical characterization of an extracellular lipase from Rhizopuschinensis CCTCC M201021. Biotechnology 7(4) 710-717. DOI: 10.3923/biotech.2008.710.717

Ahmad Cheikhyoussef, Natascha Pogori, Feng Wei Tian, Wei Chen, Hao Zhang (2008) Interaction of Bifidobacterium and Yoghurt Mixed Culture with Salmonella during Associated Cultures Growth. Biotechnology, 7(3): 563-568. DOI: 10.3923/biotech.2008.563.568

Cheikhyoussef A, Pogori N, Zhang H. (2008) Antimicrobial proteinaceous compounds obtained from bifidobacteria: from production to their application. International Journal of Food Microbiology, 125: 215-222. DOI: 10.1016/j.ijfoodmicro.2008.03.012

Pogori N, Xu Y and Cheikhyoussef A (2007) Potential aspects of lipases obtained from Rhizopus fungi. Research Journal of Microbiology, 2(2): 101-116. DOI: 10.3923/jm.2007.101.116

Cheikhyoussef A, Pogori N and Zhang H. (2007) Study of the inhibition effects of Bifidobacterium supernatants towards growth of Bacillus cereus and Escherichia coli. International Journal of Dairy Science, 2 (2): 116-125. DOI: 10.3923/ijds.2007.116.125

Conference Papers:

Cheikhyoussef, A., M. Shapi, K. Matengu and H. Mu Ashekele, 2010a.Medicinal properties of Ximenia; Lessons from the traditional healers in Oshikoto region, Namibia. Proceedings of the 1st National Research Symposium, Windhoek, Namibia, 15-17 September 2010.

Cheikhyoussef, A., E. Naomab, S. Potgieter, G. Kahaka, C. Raidron and H. Mu Ashekele, 2010b. Phytochemical Properties of a Namibian Indigenous plant; Eembe (Berchemia discolor). Proceedings of the 1st National Research Symposium, Windhoek, Namibia, 15-17 September 2010.

Cheikhyoussef Ahmad and Zhang Hao, 2003.Antimicrobial Activity of Bifidobacteriumssp .against E. coli and Salmonella ssp. 5th International Conference of Food Science and Technology (5th ICFST), Wuxi, Jiangsu, China.

Cheikhyoussef Ahmad and Zhang Hao, 2003.The inhibitory effects of Bifidobacterium ssp. against Bacillus cereus and E. coli ssp. Wuhan International Conference on Functional Food, Wuhan, China.

Cheikhyoussef A, Pogori N, Tian FW, Chen W and Zhang H.2005. Bacteriocin-like substance production by Bifidobacterium ssp. Poster presented at the 6th International Conference of Food Science and Technology (ICFST), Guangzhou, China.