Fabrication of CMC-PVA-EGDE hydrogels for maintaining overall postharvest quality of small-size packaged straw mushroom

文献类型： 外文期刊

第一作者： Jin, Rui

作者： Jin, Rui;Li, Xin-Lin;Sun, Lei;Sun, Wen-Jing;Cui, Feng-Jie;Jia, Wei;Li, Wen;Yang, Yan;Zhang, Jing-Song;Sun, Wen-Jing;Cui, Feng-Jie

作者机构：

关键词： Straw mushroom; Postharvest quality; Hydrogel packaging; Relative humidity; Respiration metabolism

期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）

ISSN： 0308-8146

年卷期： 2025 年 474 卷

页码：

收录情况： SCI

摘要： The last-mile shipping or storage with a small-size and easy-carrying package from the distribution centers/retail markets to the customer's kitchens is a key issue to provide the fresh products for consumers. In the present study, a CMC-PVA-EGDE hydrogel with excellent transparency, highest swelling ratio value of 1011 % and complete shape recovery after dehydration was prepared by using 5 % of CMC, 1 % of PVA and 5 % of EGDE as a crosslinking agent. The prepared CMC-PVA-EGDE hydrogel with 80 % of water content maintained a high relative humidity of 92 % by absorbing and slowly-releasing the moisture in the small-size package and guaranteed the overall postharvest quality of the small-size packaged straw mushrooms to 4 d. Further results proved that the small-size packaged straw mushrooms retained a lower of 805-1060 mg CO2 mg-1 h-1, and activities/ transcriptional levels of the respiration-associated vvPGI, vvSDH and vvCCO during 4-d storage.

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