[1]史君彦,王清,高丽朴,等.LED白光照射对平菇采后贮藏品质的影响[J].北方园艺,2018,42(03):154-158.[doi:10.11937/bfyy.20171715]
　SHI Junyan,WANG Qing,GAO Lipu,et al.Effect of White LED Irradiation on Postharvest Storage Quality of Pleurotus ostreatus[J].Northern Horticulture,2018,42(03):154-158.[doi:10.11937/bfyy.20171715]
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LED白光照射对平菇采后贮藏品质的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第42卷 期数: 2018年03 页码: 154-158 栏目: 出版日期: 2018-02-15
Title:
Effect of White LED Irradiation on Postharvest Storage Quality of Pleurotus ostreatus
作者:
史君彦; 王清; 高丽朴; 郑秋丽; 左进华
北京市农林科学院 蔬菜研究中心，农业部蔬菜产后处理重点实验室,果蔬农产品保鲜与加工北京市重点实验室，农业部华北地区园艺作物生物学与种质创制重点实验室，农业部都市农业（北方）重点实验室，北京 100097
Author(s):
SHI Junyan; WANG Qing; GAO Lipu; ZHENG Qiuli; ZUO Jinhua
Beijing Vegetable Research Center，Beijing Academy of Agriculture and Forestry Sciences/Key Laboratory of the Vegetable Postharvest Treatment of Ministry of Agriculture/Beijing Key Laboratory of Fruits and Vegetable Storage and Processing/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops （North China)，Ministry of Agriculture/Key Laboratory of Urban Agriculture （North)，Ministry of Agriculture，Beijing 100097
关键词:
LED光照; 平菇; 色泽; 总酚; 多酚氧化酶（PPO）
Keywords:
LED irradiation; Pleurotus ostreatus; color; total phenolics; polyphenol oxidase （PPO)
DOI:
10.11937/bfyy.20171715
文献标志码:
A
摘要:
以平菇为试材，采用LED白光照射处理平菇，研究其对平菇采后贮藏品质的影响。结果表明：LED白光处理可有效抑制平菇感官品质下降、褪黑、褐变，延缓失重率和丙二醛（MDA）含量的升高，抑制总酚含量的降解，抑制多酚氧化酶（PPO）活性的升高和过氧化氢酶（CAT）活性的降低，减轻酶促褐变和过量过氧化氢（H2O2）损伤。因此，LED白光照射有效维持平菇较好的品质，其光照强度为22 μmol?m-2?s-1。
Abstract:
Pleurotus ostreatus was taken as test material，the effect of white LED irradiation on postharvest storage quality of Pleurotus ostreatus was investigated.The results showed that white LED irradiation effectively inhibited the decrease of sensory quality，loss color，browning of Pleurotus ostreatus.The increase of weight loss and malondialdehyde （MDA) content were delayed，the degradation of total phenolics was suppressed.The activity of polyphenol oxidase （PPO) was inhibited which relaxed the enzymatic browning.The decline of catalase （CAT) activity was also suppressed，which relaxed the damage by excessive H2O2.The white LED irradiation effectively maintained the storage quality of Pleurotus ostreatus，and the light intensity was 22 μmol?m-2?s-1.

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备注/Memo

第一作者简介：史君彦（1988-)，女，硕士，研究方向为农产品贮藏保鲜。E-mail：shijunyan0130@126.com.

责任作者：左进华（1982-)，男，博士，副研究员，研究方向为农产品贮藏与加工。E-mail：zuojinhua@126.com.
基金项目：国家大宗蔬菜产业体系建设资助项目（CARS-25）;西北非耕地园艺作物生态高效生产技术研究与示范资助项目（201203095）。
收稿日期：2017-08-15

更新日期/Last Update: 2018-02-09