|Table of Contents|

Effect of Different Modified Atmosphere Packages on Shelf-Life Quality and Endogenous Hormones Content of Fresh Walnuts(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年04
Page:
123-128
Research Field:
Publishing date:

Info

Title:
Effect of Different Modified Atmosphere Packages on Shelf-Life Quality and Endogenous Hormones Content of Fresh Walnuts
Author(s):
LI Qing1; LIU Dan2; MA Yan-ping3; KOU Li-ping1; JIA Cai-xia3
(1.College of Food Science and Engineering，Northwest Agriculture and Forestry University，Yangling，Shaanxi 712100；2.College of Life Science，Northwest Agriculture and Forestry University，Yangling，Shaanxi 712100；3.College of Forestry，Northwest Agriculture and Forestry University，Yangling，Shaanxi 712100)
Keywords:
storage; fresh walnut; modified atmosphere (MA); shelf quality; endogenous hormones
PACS:
-
DOI:
10.11937/bfyy.201504029
Abstract:
Taking‘Liaohe 2’fresh walnuts as test materials，the changes of gas concentrations，kernel quality and the endogenous hormones concentrations of ‘Liaohe 2’ fresh walnuts were regularly monitored after storing at（0±0.5）℃ and a further 7 days at 7℃.These fresh walnuts were packed in Thn-PE11 (11 μm)，PE30 (30 μm)，PE50 (50 μm) and Thk-PE90 (90 μm) packages (6 μm plastic films as control).The results showed that all MA packages reduced the concentration of O2 and increased that of CO2.Acidfi value，peroxide value and carbonyl value were lower in walnuts packed by MA packages than that of the control significantly (P＜0.01)，especially obvious in PE30 and PE50 packages，in which relatively high contents of crude protein and fat were detected.All MA packages reduced abscisic acid(ABA) content and maintained significantly (P＜0.05) higher contents of gibberellic acid (GA) and zeatin riboside (ZR) in the late storage of fresh walnuts than control.Considered the changes of all indicators and the cost，PE30 could be selected as the suitable MA package of fresh walnuts for better shelf quality after cold storage.

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Last Update: 2015-04-21