Effects of exogenous ethylene on bud inhibition and quality of sweet potato in ambient temperature logistics

  • HE Xinyao ,
  • JIN Miaomiao ,
  • LIU Jin ,
  • CHENG Sheng ,
  • ZHANG Min
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  • 1(College of Food Science, Southwest University,Chongqing 400715, China);
    2(Laboratory of Quality Safety Risk Assessment for Argo-products on Storage and Preservation(Chongqing), Mimnistry of Agriculture, Southwest University, Chongqing 400715, China);
    3(Food Storage and Logistics Research Center, Southwest University, Chongqing 400715, Chian)

Received date: 2019-09-18

  Online published: 2020-05-19

Abstract

In order to solve the problems of germination and quality degradation of fresh sweet potatoes during ambient temperature logistics, this paper studied the effects of 0.5, 1,and 2 g/L (mass ratio of ethephon to space volume of gas) on the germination and quality of sweet potatoes under storage at 25 ℃ (simulated ambient logistics). The results show that different concentrations of exogenous ethylene treatment can effectively inhibit the increase of germination rate and germination index of sweet potato, promote starch conversion, and maintain higher contents of soluble solids, total phenols, flavonoids, and carotenoids. Also, the higher the concentration, the better the effect. However, 2 g/L ethephon group caused cracking of sweet potato in the later period of storage, and its cracking rate reached 33.33%, while the cracking rate of the 0.5 and 1 g/L groups was 0.By comprehensive comparison, the 1 g/L exogenous ethylene treatment performed the best in inhibiting buds and maintaining sweet potato quality.

Cite this article

HE Xinyao , JIN Miaomiao , LIU Jin , CHENG Sheng , ZHANG Min . Effects of exogenous ethylene on bud inhibition and quality of sweet potato in ambient temperature logistics[J]. Food and Fermentation Industries, 2020 , 46(7) : 194 -200 . DOI: 10.13995/j.cnki.11-1802/ts.022302

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