| 采前喷施水杨酸对红地球葡萄采后果实软化的影响 |
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| 引用本文： | 何庆,郑素慧,秦南南,刘雪艳,关军锋,吴斌,于永春.采前喷施水杨酸对红地球葡萄采后果实软化的影响[J].食品与发酵工业,2022(4):16-23. |
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| 作者姓名： | 何庆 郑素慧 秦南南 刘雪艳 关军锋 吴斌 于永春 |
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| 作者单位： | 新疆农业大学食品科学与药学学院;新疆农业科学院农产品贮藏加工研究所;河北省农林科学院遗传生理研究所;特克斯县农业技术推广中心 |
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| 基金项目： | 国家自然科学基金项目(31860460);国家重点研发计划项目(2018YFD0401302);新疆自治区自然基金面上项目(2021D01A105)。 |
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| 摘 要： | 为探究采前喷施水杨酸(salicylic acid,SA)处理对红地球葡萄采后果实软化进程的影响,以红地球葡萄为材料,采前喷施1.0 mmol/L SA处理,采收预冷后在常温(22±1)℃贮藏,分析果实品质、原果胶(protopec-tin,PP)、纤维素、水溶性果胶(water soluble pectin,WSP)...
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| 关 键 词： | 采前喷施 水杨酸 果实软化 红地球葡萄 细胞壁代谢 |
Effect of spraying salicylic acid to pre-harvest fruit on softening of postharvest Vitis vinifera L.cv.red globe |
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| HE Qing,ZHENG Suhui,QIN Nannan,LIU Xueyan,GUAN Junfeng,WU Bin,YU Yongchun.Effect of spraying salicylic acid to pre-harvest fruit on softening of postharvest Vitis vinifera L.cv.red globe[J].Food and Fermentation Industries,2022(4):16-23. |
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| Authors: | HE Qing ZHENG Suhui QIN Nannan LIU Xueyan GUAN Junfeng WU Bin YU Yongchun |
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| Affiliation: | (School of Food Science and Pharmacy,Xinjiang Agricultural University,Urumqi 830052,China;Institute of Storage and Processing of Agricultural Products,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China;Institute of Genetics and Physiology,Hebei Academy of Agriculture and Forestry,Shijiazhuang 050051,China;Tekesi county Agricultural Technology Extension Centre,Ili Kazakh Autonomous Prefecture 835500,China) |
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| Abstract: | To investigate the effects of pre-harvest spraying salicylic acid(SA)on the softening process of postharvest grapes,red globe grape was used as material with the spraying of 1.0 mmol/L SA before harvest,and then stored at room temperature(22±1)℃after pre-cooling.The changes of fruit quality,protopectin(PP),cellulose,water soluble pectin(WSP)contents,cell wall metabolism-related enzyme activities and relative gene expression were analyzed.The results showed that SA could effectively delay the increase of weight loss and decay rate,browning index of fruit stem as well.SA also could decrease the hardness,PP and cellulose content,and increase WSP content.Moreover,SA inhibited the activities of polygalacturonase(PG),pectin methylesterase(PME),cellulase(Cx),β-glucosidase(β-Glu),β-galactosidase(β-Gal)and the expressions of related genes(VvPG,VvPME,Vvβ-Glu and Vvβ-Gal)in fruits.Furthermore,PG,PME,Cx,β-Glu andβ-Gal were involved in the softening process of red grape fruits,which can prolong the shelf life of grapes,reduce the economic losses caused by postharvest softening and rot,and improve the safety of postharvest grapes. |
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| Keywords: | pre-harvest spraying salicylic acid fruit softening red globe grape cell wall metabolism |
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