LED复合光处理对西兰花低温保鲜效果的影响

doi:10.7668/hbnxb.2015.01.032

华北农学报 ›› 2015, Vol. 30 ›› Issue (1): 188-193. doi: 10.7668/hbnxb.2015.01.032

LED复合光处理对西兰花低温保鲜效果的影响

李宁¹, 阎瑞香², 张娜²

1. 天津农学院园艺园林学院, 天津 300384;
2. 国家农产品保鲜工程技术研究中心农业部农产品采后生理与贮藏保鲜重点实验室, 天津 300384

收稿日期:2014-12-11 出版日期:2015-02-28
通讯作者: 阎瑞香(1973-),女,河南郑州人,副研究员,博士,主要从事农产品采后生理及保鲜技术研究。
作者简介:李宁(1978-),女,陕西宝鸡人,高级实验师,硕士,主要从事农产品采后生理及防腐保鲜研究。
基金资助:
天津市科技计划项目(13ZCZDNC01500)

Effect of LED Composite Light on Preservation of Broccoli during Cold Storage

LI Ning¹, YAN Rui-xiang², ZHANG Na²

1. College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin 300384, China;
2. National Engineering and Technology Research Center of Agricultural Products Freshness Protection, Key Laboratory of Postharvest Physiology and Storage of Agricultural Products, Ministry of Agriculture, Tianjin 300384, China

Received:2014-12-11 Published:2015-02-28

摘要/Abstract

摘要： 为研究不同LED复合光处理对西兰花保鲜效果的影响。以新鲜西兰花为材料,通过测定4 ℃低温条件下,西兰花的感官品质、维生素C含量、叶绿素含量、乙烯生成速率等各项指标,研究LED红蓝、LED红绿复合光处理对西兰花保鲜效果的影响。结果表明,与无光处理方式相比,LED红蓝复合光处理效果显著,不仅延长了西兰花保鲜期10～15 d左右,而且较好地保持了西兰花原有的外观品质,阻止了西兰花贮藏期间重要营养物质Vc含量的快速流失,延缓了贮藏期间乙烯释放量峰值和呼吸跃变出现的时间,显著降低了呼吸跃变的峰值,减少了膜脂过氧化对西兰花造成的损伤。

关键词: LED复合光, 西兰花, 贮藏, 质量控制

Abstract: In order to study on effect of different treat of LED composite light on preservation of broccoli, fresh broccoli was used as the main materials.By measuring the indicators at 4 ℃ low temperature conditions, such as sensory quality, vitamin C content, chlorophyll content and broccoli ethylene production rate, effect of LED composite light on preservation for broccoli was determined.The results showed that treatment with LED composite of red and blue was better for the quality of broccoli compared with non-light treatment.The former could extend storage time by 10-15 d.Meanwhile, it could got a higher score of sensory evaluation, prevented the rapid decline in important nutrient substance vitamin C content of broccoli, delayed the time of the evolution of ethylene and the appearance of respiration peak, decreased the respiration variable peak, and reduced membrane lipid peroxidation damage of broccoli during storage.

Key words: LED composite light, Broccoli, Storage, Quality control

中图分类号:

S635.9

李宁, 阎瑞香, 张娜. LED复合光处理对西兰花低温保鲜效果的影响[J]. 华北农学报, 2015, 30(1): 188-193. doi: 10.7668/hbnxb.2015.01.032.

LI Ning, YAN Rui-xiang, ZHANG Na. Effect of LED Composite Light on Preservation of Broccoli during Cold Storage[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(1): 188-193. doi: 10.7668/hbnxb.2015.01.032.

http://www.hbnxb.net/CN/Y2015/V30/I1/188

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