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Antioxidant Capacity of Capsicum annuum Cultivars in Wenshan Prefecture Under Low Temperature Stress and Its None Correlation With Anthocyanin Contents(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年20
Page:
18-24
Research Field:
Publishing date:

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Title:
Antioxidant Capacity of Capsicum annuum Cultivars in Wenshan Prefecture Under Low Temperature Stress and Its None Correlation With Anthocyanin Contents
Author(s):
YUAN Enping1; QU Yonghan1; ZHAO Changling2; ZHAO Shuiling1; ZHANG Hongling2; ZHANG Xueting1; WANG Shaoxiang1; YANG Lingyu1; LI Yun1
1.Wenshan Academy of Agricultural Sciences,Wenshan,Yunnan 663000; 2.College of Agronomy and Biotechnology,Yunnan Agricultural University,Kunming,Yunnan 650201
Keywords:
Wenshan in Yunnan Province;  Capsicum annuum;  cultivars;  simulated by icy water;  low temperature stress;  antioxidant capacity;  anthocyanin content
PACS:
-
DOI:
10.11937/bfyy.20164990
Abstract:
The specific activities of the antioxidases and total anthocyanin and MDA contents of the leaves of the five main Capsicum annuum cultivars including ‘ZSZ75-1’‘ZSZ49-1-1’‘12WS-18-1’‘12ZH01’ and ‘ZS130’ cultivated in Wenshan prefecture,Yunnan Province under the low temperature stress simulated by icy water were studied by using spectrophotometry,and the comprehensive antioxidant capacity of the leaves was evaluated by using subordinate function.The results showed that,under the low temperature stress,the soluble protein contents of the leaves of the five cultivars was as,‘12WS-18-1’＞‘12ZH01’＞‘ZS130’＞‘ZSZ49-1-1’＞‘ZSZ75-1’,CAT specific activities was as,‘ZSZ75-1’＞‘ZSZ49-1-1’＞‘12ZH01’＞‘12WS-18-1’＞‘ZS130’,POD specific activities was as,‘ZSZ75-1’＞‘ZS130’＞‘ZSZ49-1-1’＞‘12WS-18-1’＞‘12ZH01’,SOD specific activities was as,‘ZS130’＞‘12WS-18-1’＞‘ZSZ49-1-1’＞‘12ZH01’＞‘ZSZ75-1’,the MDA contents was as,‘ZSZ75-1’＞‘ZSZ49-1-1’＞‘12ZH01’＞‘12WS-18-1’＞‘ZS130’,the comprehensive antioxidant ability was as,‘ZSZ49-1-1’＞‘ZS130’＞‘12WS-18-1’＞‘12ZH01’＞‘ZSZ75-1’,and the total anthocyanin contents was as,‘ZSZ75-1’＞‘ZSZ49-1-1’＞‘12ZH01’＞‘ZS130’＞‘12WS-18-1’.Furthermore,the differences among the total anthocyanin and MDA contents of the leaves of the five cultivars all reached the extremely significant levels,whereas the differences among the specific activities of CAT,POD and SOD did not reach the significant difference levels.Thus,under low temperature stress,the leaf antioxidant ability of the C.annuum cultivars cultivated in Wenshan prefecture was not related to the leaf anthocyanin contents.This study could provide a reference for the low temperature tolerance-evaluating and the selection of the new low temperature tolerant cultivars of C.annuum in Wenshan.

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Last Update: 2017-10-31