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Involvement of energy metabolism and amino acid metabolism in quality attributes of postharvest Pleurotus eryngii treated with a novel phase change material

文献类型： 外文期刊

作者： Li, Dong 1 ; Wang, Di 1 ; Fang, Yida 1 ; Belwal, Tarun 1 ; Li, Li 1 ; Lin, Xingyu 1 ; Xu, Yanqun 1 ; Chen, Hangjun 3 ; Zhu, 1 ;

作者机构： 1.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Key Lab Agroprod Postharvest Handling,Minist Agr, Zhejiang Key Lab Agrifood Proc,Natl Local Join En, Hangzhou 310058, Peoples R China

2.Zhejiang Univ, Ningbo Res Inst, Ningbo 315100, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Food Sci, Hangzhou 310058, Peoples R China

4.Acad Agr Planning & Engn, Minist Agr & Rural Affairs, Beijing 100125, Peoples R China

5.Fuli Inst Food Sci, Hangzhou 310058, Peoples R China

关键词： Phase change materials; P. eryngii; Amino acid metabolism; Energy metabolism

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：5.537； 五年影响因子：5.821 ）

ISSN： 0925-5214

年卷期： 2021 年 173 卷

页码：

收录情况： SCI

摘要： Phase change material (PCM) is a substance which absorbs latent heat by a phase transition, and it plays important roles in short-time cold chain transportation. In the present study, we developed a novel water-based PCM, which showed a better effect on maintaining low-temperature conditions compared with ice, and applied in postharvest storage of Pleurotus eryngii at room temperature for 5 d. The results showed that the novel PCM treatment alleviated the deterioration of the visual appearance of P. eryngii. Amino acids assay revealed the novel PCM treatment improved the accumulation of phenylalanine, glutamate, and proline. Increased phenylalanine potentially delayed the decrease of total phenolic and flavonoid, and increased glutamate enhanced characteristic flavors of P. eryngii. In addition, a high level of proline contributed to delayed postharvest senescence by maintaining the membrane integrity, as well as promoting antioxidant capacity. Further, the energy status assay clarified that the novel PCM treatment maintained sufficient energy supply in P. eryngii by activating succinate dehydrogenase, cytochrome C oxidase, and ATPase activities, therefore should partially contribute to the decrease of catabolism of glutamate and proline as a result. Our current study indicated that the novel PCM might be a good substitute for ice in cold chain transportation of postharvest P. eryngii.

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