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NMR-based metabolic profiling and comparison of Japanese persimmon cultivars.


ABSTRACT: Persimmons are a traditional, autumnal, and healthy fruit commonly consumed in Japan and East Asia based on the saying, "a persimmon a day keeps the doctor away." The differences in metabolites among five major Japanese persimmon cultivars were investigated using a nuclear magnetic resonance (NMR)-based metabolomics approach. By using a broadband water suppression enhanced through T1 effects (WET) method for the sensitive detection of minor metabolites, better discrimination among cultivars and more informative details regarding their metabolic differences have been achieved compared to those achieved in conventional 1H NMR sequences. Among the nonastringent cultivars analyzed, the Taishu cultivar has the highest abundance of amino acids. The Matsumotowase-Fuyu cultivar contains ethyl-?-glycosides as characteristic components, which may relate to fruit softening. Citric acid concentration is higher in Maekawa Jiro than in other nonastringent cultivars. Among the two astringent cultivars analyzed, ethanol was significantly higher in Hiratanenashi than in Yotsumizo, which indicates different reactivity during deastringency treatments. The present study proposes an efficient and relatively quantitative metabolomics approach based on broadband WET NMR spectra.

SUBMITTER: Ryu S 

PROVIDER: S-EPMC6802078 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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NMR-based metabolic profiling and comparison of Japanese persimmon cultivars.

Ryu Shoraku S   Muramatsu Tomonari T   Furihata Kazuo K   Wei Feifei F   Koda Masanori M   Miyakawa Takuya T   Tanokura Masaru M  

Scientific reports 20191018 1


Persimmons are a traditional, autumnal, and healthy fruit commonly consumed in Japan and East Asia based on the saying, "a persimmon a day keeps the doctor away." The differences in metabolites among five major Japanese persimmon cultivars were investigated using a nuclear magnetic resonance (NMR)-based metabolomics approach. By using a broadband water suppression enhanced through T<sub>1</sub> effects (WET) method for the sensitive detection of minor metabolites, better discrimination among cul  ...[more]

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