2008•Dyeing & FinishingRequires access
Determination of protein content in milk fiber with Kjeldahl nitrogen analysis
Weiguo Chen
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Abstract
Digestion process in Kjeldahl nitrogen analysis was optimized by orthogonal test.Application of the optimized Kjeldahl nitrogen analysis in analyzing milk fiber was discussed.The changing of nitrogen content was used to indicate the change of protein content in milk fiber caused by dyeing and finishing.The results showed that,optimized Kjeldahl nitrogen analysis featured short digestion time,accurate and easy,and could be used in analyzing protein content of the milk fiber.