采摘期对川秋葵木质素代谢及相关酶活性的影响

doi:10.3969/j.issn.1004-1524.2018.09.11

浙江农业学报 ›› 2018, Vol. 30 ›› Issue (9): 1519-1525.DOI: 10.3969/j.issn.1004-1524.2018.09.11

采摘期对川秋葵木质素代谢及相关酶活性的影响

辛松林^{1, 2}, 向泽攀², 亢小勤², 肖川², 秦文^{1, *}

1.四川农业大学食品学院,四川雅安 625014;
2.四川旅游学院食品学院,四川成都 610100

收稿日期:2017-11-06 出版日期:2018-09-25 发布日期:2018-10-15
作者简介:辛松林(1981—),男,辽宁大连人,博士,副研究员,主要从事果蔬采后生理研究。E-mail: 23016024@qq.com

Effect of picking time on lignin metabolism and activities of related enzymes of Sichuan-okra fruit

XIN Songlin1, 2, XIANG Zepan², KANG Xiaoqin², XIAO Chuan², QIN Wen^{1, *}

1. College of Food Science, Sichuan Agricultural University, Ya’an 625014, China;
2. College of Food Science, Sichuan Tourism College, Chengdu 610100, China

Received:2017-11-06 Online:2018-09-25 Published:2018-10-15
Contact: 秦文,E-mail: qinwen1967@aliyun.com
Supported by:
四川省科技厅科技支撑计划(2016JY0119); 四川省教育厅重点项目(18ZA0367); 大学生创新创业项目(201611552053)

摘要/Abstract

摘要： 为明确不同采摘时间秋葵果实木质素代谢的特征和规律,进而确定川秋葵的适宜采摘期,对不同采摘时间的秋葵果实木质素代谢及相关成分进行测定和分析。结果表明:花后3~5 d,木质素、纤维素含量大幅度提高,苯丙氨酸解氨酶(PAL)和肉桂醇4-羟化酶(C4H)在花后5 d显著下降,4-香豆酰-CoA连接酶(4CL)、过氧化物酶(POD)、原果胶、类黄酮在花后4~5 d达到最大值。从果实营养价值、保健功能和食用品质角度考虑,川秋葵果实最佳采收时间为花后4~5 d。

关键词: 川秋葵, 采摘时间, 木质素

Abstract: To find out the characteristics and regularity of lignin change in okra fruit at different picking time and determine the appropriate picking time for Sichuan-okra, content of lignin in okra was determined and analyzed at different picking time. The results showed that the content of lignin and cellulose in okra increased significantly in 3-5 d after flowering. Phenylalanine ammonia-lyase (PAL) and cinaamate 4-Hydroxylase (C4H) decreased significantly after 5 d, while 4-coumarate-CoA ligase (4CL), peroxidase (POD), pectin and flavonoids reached the maximum value in 4-5 d. Considering the nutritional value, health function and food quality of okra, the best picking time for okra fruit was 4-5 d after flowering.

Key words: Sichuan-okra, picking time, lignin

中图分类号:

S649

辛松林, 向泽攀, 亢小勤, 肖川, 秦文. 采摘期对川秋葵木质素代谢及相关酶活性的影响[J]. 浙江农业学报, 2018, 30(9): 1519-1525.

XIN Songlin, XIANG Zepan, KANG Xiaoqin, XIAO Chuan, QIN Wen. Effect of picking time on lignin metabolism and activities of related enzymes of Sichuan-okra fruit[J]. , 2018, 30(9): 1519-1525.

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采摘期对川秋葵木质素代谢及相关酶活性的影响

Effect of picking time on lignin metabolism and activities of related enzymes of Sichuan-okra fruit

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