J4 ›› 2011, Vol. 24 ›› Issue (3): 87-89.

• Content • Previous Articles     Next Articles

Comparison between determination methods of reducing sugar in onion

 LIN Yong-Xin1,3, MA Yao-Hong2*, YANG Jun-Hui2, MENG Qing-Jun2   

  1. 1.Shandong Polytechnic University, Jinan 250353, China; 2.Biotechnology Center, Shandong Academy of Sciences, Jinan 250014, China; 3. Shandong Technician Institute, Jinan 250200, China
  • Received:2011-04-13 Online:2011-06-20 Published:2011-06-20

Abstract:

      We employed DNS reagent and reducing sugar analyzer methods to determine the content of reducing sugar in onion.The results show that the standard deviation and variation coefficient of reducing sugar analyzer method are less than those of DNS reagent method. The recovery rate of reducing sugar analyzer method is 101.7%.

Key words: onion, reducing sugar, DNS reagent, reducing sugar analyzer