Dr. Djoulde Darman Roger

Senior Lecturer
University of Ngaoundere, Cameroon

Highest Degree
Ph.D. in Biology from University of Ngaoundere, Cameroon

My URL
https://livedna.org/237.8077

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Area of Interest:

Biomedical Sciences
Microbiology
Food Microbiology
Microbial Ecology
Food Sciences and Nutrition

Selected Publications

  1. Roger, D.D., B. James and D. Bakari, 2015. Microbiological quality and safety of street meat-food sold in Soudano Sahelian zone of Cameroon. Int. J. Curr. Microbiol. Appl. Sci., 4: 441-450.
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  2. Roger, D.D., B. Daoudou, B. James and F-x Etoa, 2014. Artisanal production of kuri an honey made alcoholic beverage from Adamaoua Cameroon. Global J. Scient. Res., 2: 65-70.

  3. Roger, D.D., B. Daoudou, B. James and E.F. Xavier, 2014. Development of African earthenware container imbedded with nanosilver particles for food preservation. J. Biomater. Nanobiotechnol., 5: 139-145.

  4. Roger, D.D. and S. Gone, 2014. Evidence of the presence of genetically modified foods in the Sudano-sahelian zones of cameroon. Food Nutr. Sci., 5: 922-928.

  5. Ngang, J.J.E., C.P. Kouebou, S.L.S. Kamdem and D.R. Djoulde, 2014. Impact of partial milk substitution with cocoa powder on the properties of milk fermented by Lactobacillus bulgaricus and Streptococcus thermophilus. Afr. J. Microbiol. Res., 8: 903-907.
    CrossRef  |  

  6. Bayoi, J.R., D.R. Djoulde, P.B. Kamga, M. Nyegue, S.V. Olugu, D. Bakary and F.X. Etoa, 2014. Activity of acetic acid on Bacillus stearothermophillus and Bacillus subtilis spores after sublethal heat pretreatments. Int. J. Innovat. Scient. Res., 10: 570-575.

  7. Bayoi, J.R., D.R. Djoulde, J. Maiwore, D. Bakary and J.S. Essome et al., 2014. Influence of manufacturing process on the microbiological quality of folere beverage (Hibiscus sabdariffa) sold in three towns of cameroon: Maroua, Mokolo and Mora. Int. J. Innovat. Appl. Stud., 9: 786-796.
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  8. Roger, D.D., L. Venassius, E.N.J. Justin and E.F. Xavier, 2013. Processing of "Amgba": A sorghum-maize based beer, brewed in Cameroon. J. Brewing Distilling, 4: 11-18.
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  9. Roger, D.D., L. Venassius, E.N.J. Justin and E. Francois-Xavier, 2013. Processing of kossam an African sour fermented milk beverage from northern Cameroon. Ann. Food Sci. Technol., 14: 261-269.
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  10. Koda, J.T., R.D. Darman and A. Ngakou, 2013. Valorization of neem dead leaves (Azadirachta indica) by the production of biogas. Am. Open Renewable Sustain. Energy J., 1: 15-22.

  11. Roger, D.D., E.N.J. Justin and E. Francois-Xavier, 2012. Nutritional properties of bush meals from North Cameroon's biodiversity. Adv. Applied Sci. Res., 3: 1482-1493.
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  12. Roger, D.D., J.J. Essia Ngang and F.X. Etoa, 2011. Fermentation of cocoa juice (Theobroma cacao L.) and roselle (Hibiscus sabdariffa L.) extracts into a wine-like alcoholic drink. Fruits Vegetable Cereals Sci. Biotechnol., 4: 340-350.

  13. Roger, D.D., E.N.J. Justin and E. Francois-Xavier, 2011. Cassava solid-state fermentation with a starter culture of Lactobacillus plantarum and Rhyzopus oryzae for cellulase production. Afr. J. Microbiol. Res., 5: 4866-4872.

  14. Roger, D.D., 2011. Deoxynivanol (DON) and fumonisins B1 (FB1) in artisanal sorghum opaque beer brewed in north Cameroon. Afr. J. Microbiol. Res., 5: 1565-1567.

  15. Roger, D.D., W. Oldewage-Theron, E. Abdulkadir and S. Folake, 2010. Influence of room-temperature storage-reheating cycles on nutritional properties of maize meal porridge (PAP) used in the vaal Region, South Africa. J. Food Process. Preserv., 34: 181-191.

  16. Roger, D.D., J.J. Essia Ngang and and F.X. Etoa, 2010. Development of Water Melon (Citrullus vulgaris L.) red wine. Not. Bot. Horticult. Agrobot., 38: 73-77.

  17. Oldewage-Theron, W.H., F.O. Samuel and R.D. Djoulde, 2010. Serum concentration and dietary intake of vitamins A and E in low-income South African elderly. Clin. Nutr., 29: 119-123.
    CrossRef  |  

  18. Roger, D.D., V. Shabangu, V. Erasmus, C. Van Wyk and W. Oldewage-Theron, 2009. Chemical composition and nutrition information of a newly developed immune enhancing power bar for immune deficient patients. Pak. J. Nutr., 8: 368-372.
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Member since February, 2015