J4 ›› 2012, Vol. 25 ›› Issue (1): 19-23.doi: 10.3976/j.issn.1002-4026.2012.01.005

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Fast determination of maize starch content in cornflour

 YU Lu-Hao, YANG Jun-Hui, MENG Qing-Jun, YANG Yan, MA Yao-Hong   

  1. 1.School of Food Bioenginecring Shandong Pohytechnic University, Jinan 250353,China； 2.Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Shandong Academy of Sciences,Jinan 250014, China
  • Received:2011-07-08 Published:2012-02-20 Online:2012-02-20

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Abstract:

        This paper employs phenol-sulfuric acid, DNS and reducing sugar analyzer methods to determine the starch content in cornflour. We comprehensively compare their operation processes and the acquired data. Results show that reducing sugar analyzer method can determine maize starch content more conveniently and rapidly.

Key words: phenol-sulfuric acid method, DNS method, reducing sugar analyzer method, maize starch

CLC Number: 

  • TS210.7

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