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Article abstract
International Journal of Biotechnology and Food Science
Research Article | Published December 2016 | Volume 4, Issue 5, pp. 81-85
Total volatile base nitrogen (TVBN) and trimethylamine (TMA) content of “Bunyi youri” as influenced by the addition of glucose and clove during storage
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Paul Y. Idakwo1*
Charles A. Negbenebor2
Mamudu H. Badau1
David I. Gbenyi3
Email Author
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1. Department of Food Science and Technology, Faculty of Engineering, University of Maiduguri, P. M. B. 1069, Maiduguri, Borno State, Nigeria.
2. Department of Biological Sciences, Federal University Otueke, P.M.B. 126, Yenagoa, Bayelsa State, Nigeria.
3. Department of Food Science and Technology, Federal Polytechnic Mubi, Adamawa State, Nigeria.
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Citation: Idakwo PY, Negbenebor CA, Badau MH, Gbenyi DI (2016). Total volatile base nitrogen (TVBN) and trimethylamine (TMA) content of “Bunyi youri” as influenced by the addition of glucose and clove during storage. Int. J. Biotechnol. Food Sci. 4(5): 81-85.
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Abstract
The levels of total volatile base nitrogen (TVBN) and trimethylamine (TMA) formed in a traditional fermented solar tent dried fish during storage at ambient temperature were investigated as indices of spoilage. The results showed that the concentration of TVBN (mg N/100 g) in Bunyi youri treated with various concentration of glucose and clove ranged from 23.54 ± 0.58 to 30.1 ± 0.90 mg N/100 g, while the value for the control samples ranged from 36.45 ± 0.78 to 53.70 ± 0.22 mg N/100 g during the maximum storage period of 32 weeks. The corresponding values of TMA for the treated samples ranged from 10.34 ± 0.58 to 20.32 ± 0.63 mg N/100 g and the corresponding value for the controls ranged from 21.10 ± 0.49 to 45.37 ± 2.34 mg N/100 g. The results showed that in both cases, the concentration of these biogenic materials increased with increasing storage time. Thus these data may be useful in formulating necessary food safety limits for
consumption of fermented solar tent dried fish products in Nigeria.
Keywords
Total volatile bases
trimethylamine
"Bunyi youri" fermented glucose clove
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