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Sample Set Information

Title Toward better annotation in plant metabolomics: isolation and structure elucidation of 36 specialized metabolites from Oryza sativa (rice) by using MS/MS and NMR analyses
Description We isolated and elucidated the structures of specialized metabolites from rice by using MS/MS and NMR. Thirty-six compounds, including five new flavonoids and eight rare flavonolignan isomers, were isolated from the rice leaves. The MS/MS spectral data of the isolated compounds, with a detailed interpretation of MS fragmentation data, will facilitate metabolite annotation of the related phytochemicals by enriching the public mass spectral data depositories, including the plant-specific MS/MS-based database, ReSpect.
Authors Zhigang Yang, Ryo Nakabayashi, Yozo Okazaki, Tetsuya Mori, Satoshi Takamatsu, Susumu Kitanaka, Jun Kikuchi, Kazuki Saito
Reference Yang Z et al. (2014) Metabolomics 10: 543-555

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The raw data files are available at DROP Met web site in PRIMe database of RIKEN.

Sample Preparation Details Information

Title Plant material
Description Rice plants (cultivar Habataki) were grown in plastic pots containing granular soil (Bonsoru No.2; Sumitomo Chemical, Tokyo); after approximately 10 weeks of incubation, shoots were collected, lyophilized, and stored at -80℃ until use (Matsuda et al. 2012).

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