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
作者： Jin, Rui 1 ; Li, Xin-Lin 1 ; Jia, Wei 2 ; Li, Wen 2 ; Sun, Lei 1 ; Yang, Yan 2 ; Zhang, Jing-Song 2 ; Sun, Wen-Jing 1 ; Cui, Feng-Jie 1 ;
作者机构： 1.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
2.Shanghai Acad Agr Sci, Natl Engn Res Ctr Edible Fungi, Shanghai 201403, Peoples R China
3.Jiangxi Prov Engn & Technol Ctr Food Addit Bioprod, Shangrao 334221, Peoples R China
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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