Effects of Different Harvest Periods on Shelf-life Quality of Nanguo Pear during Ambient Storage

doi:10.7506/spkx1002-6630-200902059

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (2 ): 260-263.doi: 10.7506/spkx1002-6630-200902059

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Effects of Different Harvest Periods on Shelf-life Quality of Nanguo Pear during Ambient Storage

JI Shu-juan1，LI Jiang-kuo1,2，ZHANG Peng2，WEI Bao-dong1

(1. College of Food Science, Shenyang Agricultural University, Shenyang 110161, China；2. National Engineering and Technology
Research Center for Preservation of Agricultural Products, Tianjin 300384, China)

Received:2008-02-01 Revised:2008-06-16 Online:2009-01-15 Published:2010-12-29
Contact: LI Jiang-kuo1 E-mail:lijkuo@sina.com

Abstract

Abstract:

The method of florescence sign was adopted to research the effect of different harvest period on shelf-life quality of Nanguo pear during ambient storage. The results showed that with harvest period extending, the single fruit weight, the index of seed change color, soluble solids content, malondialdehyde (MDA) content, and soluble pectin content rise. But the firmness, titratable acidity content, protopectin content and starch content decline. During ambient storage, the respiratory rate, disease incidence and pecticase, amylase activity, and the growth in fruit on 140th day after florescence are lower, compared with two other harvest periods. The 140th day after florescence is the optimal harvest period.

Key words: Nanguo pear, harvest period, shelf-life, storage quality

CLC Number:

TS205

JI Shu-juan1，LI Jiang-kuo1,2，ZHANG Peng2，WEI Bao-dong1. Effects of Different Harvest Periods on Shelf-life Quality of Nanguo Pear during Ambient Storage[J]. FOOD SCIENCE, 2009, 30(2 ): 260-263.

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Effects of Different Harvest Periods on Shelf-life Quality of Nanguo Pear during Ambient Storage

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