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Effects of hydrogen sulphide on quality and antioxidant capacity of mulberry fruit

文献类型： 外文期刊

作者： Hu, Huali 1 ; Shen, Wenbiao 1 ; Li, Pengxia 2 ;

作者机构： 1.Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Prod Proc, Nanjing 210014, Jiangsu, Peoples R China

关键词： Hydrogen sulphide;mulberry fruit;postharvest quality;storage

期刊名称：INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY （ 影响因子：3.713； 五年影响因子：3.408 ）

ISSN： 0950-5423

年卷期： 2014 年 49 卷 2 期

页码：

收录情况： SCI

摘要： Here we investigated the effect of hydrogen sulphide (H2S) on postharvest quality of mulberry fruit and possible underlying mechanisms. Endogenous H2S content first increased after harvest and then decreased sharply with the process of ripening and senescence. A fumigation with H2S released from 0.8mm NaHS solution could significantly enhance the endogenous H2S content by increasing the activities of D-cysteine desulfhydrase and L-cysteine desulfhydrase. NaHS could significantly slow down the ripening rate of mulberry fruit and reduce the respiratory intensity and anthocyanin content. Moreover, H2S fumigation was able to obviously delay or slow down the decreases in soluble protein, titratable acidity and ascorbate contents. Further results showed that activities of representative antioxidant enzymes in H2S-treated sample were higher than those of control samples during storage, resulting in a decrease in superoxide anion production. Together, these results clearly indicate that H2S fumigation has a potential role in the preservation of mulberries.

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