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VOL. 10, ISSUE 3 (2025)
A review on total volatile basic nitrogen (TVB-N) as key indicators of fish spoilage: Methods for determination and quality assessment
Authors
Jyoti Dewangan, Neeru Agrawal
Abstract
A commonly used biochemical diagnostic for determining the freshness
and spoilage of fish and marine products is total volatile basic nitrogen, or
TVB-N. It represents the buildup of volatile bases created by microbial and
enzymatic breakdown, primarily ammonia, trimethylamine, and dimethylamine. The
importance of TVBN in quality evaluation of fish is along with the most widely
used methods for measuring TVB-N levels are dicussed in this review, including
Kjeldahl distillation, the microdiffusion method, steam distillation,
spectroscopic method and new sensor-based technique like electronic nose. Their
sensitivity, accuracy, and applicability for various contexts are discussed.
This review highlights TVB-N's crucial role in contemporary seafood quality
assurance systems by looking at both tried-and-true and cutting-edge
techniques.
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Pages:43-49
How to cite this article:
Jyoti Dewangan, Neeru Agrawal "A review on total volatile basic nitrogen (TVB-N) as key indicators of fish spoilage: Methods for determination and quality assessment". International Journal of Zoology Studies, Vol 10, Issue 3, 2025, Pages 43-49
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