文献类型： 外文期刊
作者： Deng, Hao 1 ; Wu, Guang 1 ; Guo, Li 1 ; Hu, Fuchu 3 ; Zhou, Liying 1 ; Xu, Bin 1 ; Yin, Qingchun 5 ; Chen, Zhe 3 ;
作者机构： 1.Hainan Acad Agr Sci, Inst Agroprod Proc & Design, Key Lab Trop Fruit & Vegetable Cold Chain Hainan P, Haikou 571100, Peoples R China
2.Hainan Acad Agr Sci, Sanya Inst, Sanya 572025, Peoples R China
3.Minist Agr & Rural Affairs, Key Lab Genet Resources Evaluat & Utilizat Trop Fr, Haikou 571100, Peoples R China
4.Hainan Acad Agr Sci, Inst Trop Fruit Trees, Key Lab Trop Fruit Tree Biol Hainan Prov, Haikou 571100, Peoples R China
5.Hainan Inst Food Control, Key Lab Trop Fruits & Vegetables Qual & Safety Sta, Haikou 570314, Peoples R China
关键词： rambutan; sugar; acid; biomarker; widely targeted metabolomics; maturation
期刊名称：MOLECULES （ 影响因子：4.6； 五年影响因子：4.9 ）
ISSN：
年卷期： 2023 年 28 卷 3 期
页码：
收录情况： SCI
摘要： The metabolite-caused taste variation during rambutan maturation is unknown due to a lack of systematic investigation of all components. In this study, three growing stages, including unripe (S1), half-ripe (S2), and full-ripe (S3) BY2 and BY7 rambutans were compared and profiled by UPLC-MS/MS-based widely targeted metabolomics analysis. We demonstrated that the sugar-acid ratios of two rambutans were greatly improved between the S2 and S3 stages. A total of 821 metabolites were identified, including 232, 205, 204, and 12 differential metabolites (DMs) in BY2-S1 vs. BY2-S2, BY2-S2 vs. BY2-S3, BY7-S1 vs. BY7-S2, and BY7-S2 vs. BY7-S3, respectively. A correlation analysis showed that gamma-aminobutyric acid (GABA) could be the sugar-acid ratio biomarker of BY2 rambutan. Methionine (Met), alanine (Ala), and S-methyl-L-cysteine (SMC) could be total amino acid biomarkers of BY2 and BY7 rambutans. In addition, UPLC-MS/MS-based quantitative verification of the above biomarkers exhibited the same variations as metabolomics analysis. This study not only provides useful nutritive information on rambutans but also valuable metabolic data for rambutan breeding strategies.
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