FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (19): 453-456.doi: 10.7506/spkx1002-6630-201019099

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Interference Factors of Protein Determination in Fish using Kjeldahl Method

LU Jian-zhang,SUN Li-hua,ZHOU Yan-gang*   

  1. Institute of Health Food, Zhejiang Academy of Medical Science, Hangzhou 310013, China
  • Received:2010-01-19 Revised:2010-09-19 Online:2010-10-15 Published:2010-12-29
  • Contact: ZHOU Yan-gang* E-mail:zyg195588@yahoo.cn

Abstract:

In order to improve the accuracy of Kjeldahl method for the determination of fish protein, the conversion factor between amino acid nitrogen and non-amino acid nitrogen in fish protein is analyzed and a series of feasible improvement strategies for the determination of fish protein by Kjeldahl method are discussed in this paper.

Key words: Kjeldahl determination, fish protein, conversion factor, non-amino acid nitrogen

CLC Number: