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Zizania latifolia Cell Wall Polysaccharide Metabolism and Changes of Related Enzyme Activities during Postharvest Storage

文献类型： 外文期刊

作者： Huang, Jing 1 ; Wu, Weijie 1 ; Fang, Xiangjun 1 ; Chen, Hangjun 2 ; Han, Yanchao 1 ; Niu, Ben 1 ; Gao, Haiyan 1 ;

作者机构： 1.Food Sci Inst, Zhejiang Acad Agr Sci, Key Lab Postharvest Handling Fruits, Minist Agr & Rural Affairs,Key Lab Fruits & Veget, Hangzhou 310021, Peoples R China

2.China Natl Light Ind, Key Lab Postharvest Preservat & Proc Fruits & Veg, Hangzhou 310021, Peoples R China

关键词： Zizania latifolia; cell wall polysaccharide; cell wall metabolic enzymes; Pearson's correlation

期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）

ISSN：

年卷期： 2022 年 11 卷 3 期

页码：

收录情况： SCI

摘要： The metabolism of polysaccharides in the Zizania latifolia cell wall helps maintain the postharvest quality during storage. Fresh Z. latifolia was stored at 4 degrees C and 25 degrees C to evaluate the hardness, cell wall polysaccharide composition, cell wall structure, active ingredients, and cell wall metabolism-related enzyme activities. The results showed that hardness declined concomitantly with an increase in water-soluble pectin content during storage, as well as with a decrease in propectin and cellulose contents. Correlation analysis showed that lower activities of cell wall-degrading enzymes, such as polygalacturonase, cellulase, and beta-galactosidase in Z. latifolia stored at 4 degrees C, were associated with lighter fiberization and greater hardness, compared with those stored at 25 degrees C. Additionally, the results of infrared spectroscopy showed that texture softening may be attributed to a decrease in the degree of esterification of water-soluble polysaccharides at 25 degrees C compared to that at 4 degrees C.

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