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- Title
Unique Metabolic Profiles of Korean Rice According to Polishing Degree, Variety, and Geo-Environmental Factors.
- Authors
Kang, Yujin; Lee, Bo Mi; Lee, Eun Mi; Kim, Chang-Ho; Seo, Jeong-Ah; Choi, Hyung-Kyoon; Kim, Young-Suk; Lee, Do Yup
- Abstract
The precise determination of the chemical composition in crops is important to identify their nutritional and functional value. The current study performed a systematic delineation of the rice metabolome, an important staple in Asia, to investigate the following: (1) comparative features between brown and white rice; (2) variety-specific composition (Ilpum vs. Odae); and (3) cultivation of region-dependent metabolic content. Global metabolic profiling and data-driven statistics identified the exclusive enrichment of compounds in brown rice compared to white rice. Next, the authors investigated a variety-governed metabolic phenotype among various geo-environmental factors. Odae, the early-ripening cultivar, showed higher contents of most chemicals compared to the late-ripening cultivar, Ilpum. The authors identified regional specificity for cultivation among five areas in Korea which were characterized by polishing degree and cultivar type. Finally, the current study proposes a possible linkage of the region-specific metabolic signatures to soil texture and total rainfall. In addition, we found tryptophan metabolites that implied the potential for microbe–host interactions that may influence crop metabolites.
- Subjects
SOUTH Korea; ASIA; BROWN rice; RICE; SOIL texture; NUTRITIONAL value; PHENOTYPES; METABOLITES
- Publication
Foods, 2021, Vol 10, Issue 4, p711
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods10040711