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

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玉米粉中淀粉含量的快速测定方法

于鲁浩,杨俊慧,孟庆军,杨艳,马耀宏   

  1. 1.山东轻工业学院食品与生物工程学院,山东 济南 250353; 2.山东省科学院生物研究所,山东省生物传感器重点实验室,山东 济南 250014
  • 收稿日期:2011-07-08 出版日期:2012-02-20 发布日期:2012-02-20
  • 作者简介:于鲁浩(1986-),男,硕士研究生,研究方向为微生物与酶工程。

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 Online:2012-02-20 Published:2012-02-20

摘要:

      本文采用苯酚硫酸、DNS法(3,5-二硝基水杨酸法)和基于斐林试剂法原理的还原糖测定仪法对玉米粉中的淀粉含量进行测定。通过对三种方法的操作过程及所测得的数据进行综合比较,结果表明,还原糖测定仪法测定淀粉含量快速有效、稳定性好、精确度高。

关键词: 苯酚硫酸法, DNS法, 还原糖测定仪法, 玉米淀粉

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

中图分类号: 

  • TS210.7