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采后壳聚糖处理对薄膜包装枸杞鲜果低温贮藏品质的影响

陈松江 袁莉 毕阳 李颖超 李永才 王毅 葛永红

食品工业科技Issue(12):418-420,3.
食品工业科技Issue(12):418-420,3.

采后壳聚糖处理对薄膜包装枸杞鲜果低温贮藏品质的影响

Effects of chitosan treatment on postharvest quality of wolfberry fruit packed with plastic film during low temperature storage

陈松江 1袁莉 1毕阳 1李颖超 1李永才 1王毅 1葛永红1

作者信息

  • 1. 甘肃农业大学食品科学与工程学院,甘肃兰州730070
  • 折叠

摘要

Abstract

Fresh fruit of wolfberry(cv. Ningqi No. 1)were dipped with chitosan at 2. 5g/L and 5. 0g/L for 3min. The postharvest characteristic of treated fruit was studied under packed with polyethylene film and stored at low temperature(0±1)℃. The results indicated that chitosan treatment significantly reduced the rotting rate,32. 0% and 76. 2% lower in fruit treated at 2. 5g/L and 5. 0g/L when compared with the control after 24 days of storage. The treatment noticeably delayed the decrease of soluble solids content and maintained titratable acid content. However,no significant difference was found on weight loss during storage of fruit. The wolfberry treated with chitosan at 5. 0g/L had better flavor and green fruit stem after 30 days of storage when evaluated sensory quality. It was suggested that chitosan treatments could be used as a postharvest handling measure for fresh wolfberry fruit.

关键词

壳聚糖/果实/贮藏

Key words

chitosan/fruit/storage

分类

轻工纺织

引用本文复制引用

陈松江,袁莉,毕阳,李颖超,李永才,王毅,葛永红..采后壳聚糖处理对薄膜包装枸杞鲜果低温贮藏品质的影响[J].食品工业科技,2011,(12):418-420,3.

基金项目

国家科技支撑计划 ()

食品工业科技

OA北大核心CSCDCSTPCD

1002-0306

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