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Lysine and threonine supplementation promotes postharvest quality of Volvariella volvacea mushroom during low-temperature preservation via maintenance of the citrate cycle

文献类型： 外文期刊

作者： Gong, Ming 1 ; Li, Nanyi 4 ; Zheng, Tingting 1 ; Zhang, Jianguo 3 ; Wang, Ying 1 ; Wei, Yongjun 5 ; Li, Zhengpeng 1 ; Su, Erzheng 2 ; Bao, Dapeng 1 ; Tan, Qi 1 ; Zou, Gen 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Natl Engn Res Ctr Edible Fungi, Key Lab Edible Fungi Resources & Utilizat South,Mi, Shanghai 201403, Peoples R China

2.Nanjing Forestry Univ, Coll Light Ind & Food Engn, Dept Food Sci & Technol, Nanjing 210037, Peoples R China

3.Univ Shanghai Sci & Technol, Inst Food Sci & Engn, Sch Med Instrument & Food Engn, Shanghai 200093, Peoples R China

4.Zhejiang A&F Univ, Coll Hort Sci, Hangzhou 311300, Zhejiang, Peoples R China

5.Zhengzhou Univ, Sch Pharmaceut Sci, Kexue Ave, Zhengzhou 450001, Henan, Peoples R China

6.1000 Jinqi Rd, Shanghai 201403, Peoples R China

关键词： Volvariella volvacea; Energy metabolism; Functional food; L -lysine; L -threonine

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）

ISSN： 0023-6438

年卷期： 2023 年 182 卷

页码：

收录情况： SCI

摘要： Volvariella volvacea, the edible straw mushroom, is popular among consumers; however, its freshness is difficult to maintain at 4 degrees C. Spray treatment with the ubiquitin-binding enzyme E2 (UBEV2) inhibitor L345-0044 maintained the freshness of V. volvacea during storage at 4 degrees C for 48 h. Inhibitor treatment enhanced the ability of V. volvacea to resist cold stress by inducing overexpression of genes involved in protein translation, protein turnover, N-glycan biosynthesis, and lysine metabolism. Overexpression of saccharopine dehydrogenase genes, which participate in lysine metabolism in yeast, enhanced freezing tolerance. Anti-freezing experiments showed that the addition of L-lysine or L-threonine improved the quality of V. volvacea at 4 degrees C with stable soluble sugar levels, as lysine or threonine metabolism produced acetyl-CoA for maintaining the citrate cycle. Our findings revealed that supplementation with L-lysine or L-threonine prolonged the preservation time of V. volvacea for more than 24 h via maintenance of the citrate cycle.

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