[1]乔宇,胡丽萍,郑鄢燕,等.低温贮藏对秋葵采后生理及糖代谢调控的影响[J].北方园艺,2025,(7):49-57.[doi:10.11937/bfyy.20243679]
　QIAO Yu,HU Liping,ZHENG Yanyan,et al.Effects of Low Temperature Storage on Postharvest Physiological and Regulation Mechanism of Glucose Metabolism of Okra[J].Northern Horticulture,2025,(7):49-57.[doi:10.11937/bfyy.20243679]
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低温贮藏对秋葵采后生理及糖代谢调控的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2025年7 页码: 49-57 栏目: 出版日期: 2025-04-15
Title:
Effects of Low Temperature Storage on Postharvest Physiological and Regulation Mechanism of Glucose Metabolism of Okra
文章编号:
1001-0009(2025)07-0049-09
作者:
乔宇1; 2; 3; 胡丽萍2; 3; 郑鄢燕2; 3; 马丽丽2; 3; 左进华2; 3; 王正荣1
（1.河北工程大学 生命科学与食品工程学院，河北 邯郸 056107；2.北京市农林科学院 农产品加工与食品营养研究所，北京 100097；3.北京市农林科学院 蔬菜研究所，北京 100097）
Author(s):
QIAO Yu1; 2; 3; HU Liping2; 3; ZHENG Yanyan2; 3; MA Lili2; 3; ZUO Jinhua2; 3; WANG Zhengrong1
(1.School of Life Sciences and Food Engineering，Hebei University of Engineering，Handan，Hebei 056107；2.Institute of Agricultural Product Processing and Food Nutrition，Beijing Academy of Agriculture and Forestry Sciences，Beijing 100097；3.Vegetable Research Institute，Beijing Academy of Agriculture and Forestry Sciences，Beijing 100097)
关键词:
秋葵; 低温; 贮藏品质; 糖代谢
Keywords:
okra; low temperature; quality; glucose metabolism
分类号:
S 649
DOI:
10.11937/bfyy.20243679
文献标志码:
A
摘要:
以秋葵为试材，采用低温贮藏对比试验的方法，研究了不同低温（10、4 ℃）对秋葵贮藏期间营养品质和糖代谢的影响，以期为秋葵的贮藏保鲜提供参考依据。结果表明：在10 ℃贮藏条件下，贮藏后期秋葵的叶绿素、β-胡萝卜素和玉米黄质素含量有所增加；能够有效减少淀粉、可溶性蛋白质、可溶性糖以及相对电导率的增加；可减少蔗糖、果糖和葡萄糖含量的降低；并且对蔗糖合成酶-分解方向（sucrose synthase，SS-I）活性起到抑制作用。而在4 ℃贮藏后期，秋葵出现了冷害症状，其细胞膜通透性增大，蔗糖含量持续下降，叶绿素、β-胡萝卜素和玉米黄质素含量也急剧下降。在整个贮藏期内，4 ℃贮藏下秋葵的淀粉和可溶性糖含量相较22 ℃贮藏时更高，但麦芽糖含量始终保持在最低水平。综上，10 ℃低温贮藏更有助于维持秋葵采后的品质。
Abstract:
Taking okra as the test material,the effects of different low temperatures (4,10 ℃,and 22 ℃) on the nutritional quality and sugar metabolism of okra during storage were studied by means of a low-temperature storage comparison test,in order to provide reference for the storage and preservation of okra.The results showed that under the storage condition of 10 ℃,the contents of chlorophyll,β-carotene and zeaxanthin in okra increased in the later stage of storage;it could effectively reduce the increase of starch,soluble protein,soluble sugar and relative conductivity;it could reduce the decrease of sucrose,fructose and glucose contents;and it could inhibit the activity of sucrose synthase-decomposition direction (sucrose synthase;SS-I).However,in the later stage of storage at 4 ℃,cold damage symptoms appeared in okra,with increased cell membrane permeability,continuous decrease of sucrose content,and sharp decline of chlorophyll,β-carotene and zeaxanthin contents.Throughout the storage period,the contents of starch and soluble sugar in okra stored at 4 ℃ were higher than those stored at 22 ℃,but the content of maltose remained at the lowest level.In conclusion,10 ℃ low-temperature storage is more conducive to maintaining the postharvest quality of okra.

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备注/Memo

第一作者简介：乔宇（1998-），女，硕士研究生，研究方向为农产品加工与贮藏。E-mail：17320676209@163.com.责任作者：王正荣（1978-），女，博士，副教授，现主要从事农产品加工与贮藏等研究工作。E-mail：wazhro@qq.com.基金项目：北京市农林科学院创新能力建设专项基金资助项目(KJCX20230212，KJCX20230309，KJCX20230418，KJCX20240508)。收稿日期：2024-07-24

更新日期/Last Update: 2025-04-16