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CHEN Peiji, LI Liudong, HUANG Ke. Determination of total volatile basic nitrogen in aquatic products by nitrogen auto analyzer[J]. South China Fisheries Science, 2005, 1(6): 50-54.
Citation: CHEN Peiji, LI Liudong, HUANG Ke. Determination of total volatile basic nitrogen in aquatic products by nitrogen auto analyzer[J]. South China Fisheries Science, 2005, 1(6): 50-54.
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Determination of total volatile basic nitrogen in aquatic products by nitrogen auto analyzer

  • South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China

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  • Received Date: July 24, 2005
  • Revised Date: September 01, 2005
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    • Abstract

  • Four species of aquatic products as Tilapia niloticus, Decapterus maruadsi, Litopenaeus vannamei and Crassostrea rivularis were pretreated by perchloric acid(HClO4)solution to extract the total volatile basic nitrogen(TVBN), which was determined by nitrogen auto analyzer.The influence of different concentration of HClO4 solution, extracting time and keeping time of the extract before distillation on determination was studied. The results showed that the recovery was between 98.42% and 101.18%, RSD was below 1.40%, by determinating the TVBN in aquatic products after the samples had been homogenized for 2 minutes at 0.6 mol · L-1 HClO4 solution.The result of this method had no significant difference compared with the distillation in GB/T 5009.44, and the operation was easy and rapid.

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    • References (5)
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    王秉栋. 动物性食品卫生理化检验手册[M]. 上海: 上海科学技术出版社, 1989.290-292. https://xueshu.baidu.com/usercenter/paper/show?paperid=dd3388d5abbc60c4f31cb6b7b3086fea&site=xueshu_se&hitarticle=1
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    刘福岭, 戴行钧. 食品物理与化学分析方法[M]. 北京: 轻工业出版社, 1987.508-512. https://xueshu.baidu.com/usercenter/paper/show?paperid=4842478ee71825b741deece8e2462b46&site=xueshu_se&hitarticle=1
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    GB/T 5009.44-2003. 肉与肉制品卫生标准的分析方法[S]. http://down.foodmate.net/standard/sort/3/2722.html
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    Commission Decision of EC. Fixing the total volatile basic nitrogen (TVB-N) limit values for certain categories of fishery products and specifying the analysis methods to be used[J]. Official J, 1995, L97, 84-87. https://xueshu.baidu.com/usercenter/paper/show?paperid=1q4v0tt0e85g08p0gk2f0gb0de028228&site=xueshu_se
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