FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (9): 538-541.

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Study on Different Methods for Determining Content of Soluble Dietary Fiber in Plantago asiatica L.Seeds

 CHEN  Liang, XIE  Ming-Yong, TIAN  Ying-Gang, NIE  Shao-Ping, LI  Chang   

  1. State Key Laboratory of Food Science and Technology,Nanchang University,Nanchang 330047,China
  • Online:2008-09-15 Published:2011-12-08

Abstract: The content of soluble dietary fiber (SDF) in SDF powder of Plantago asiatica L. seeds was determined by enzymatic- weight method and phenol-sulfuric acid method respectively. Results showed that the content of SDF in the sample is 87.07% by enzymatic-weight method, and it is 88.54% by phenol-sulfuric acid method. The result of methodological study of phenol- sulfuric acid method is satisfactory. So phenol-sulfuric acid method can replace enzymatic-weight method for the determination of SDF in Plantago asiatica L. seeds.

Key words: Plantago asiatica L., soluble dietary fiber, enzymatic-weight method, phenol-sulfuric acid method