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Discovery study of integrative metabolic profiles of sesame seeds cultivated in different countries

Cited 14 time in Web of Science Cited 15 time in Scopus
Authors

Lee, Bo Mi; Lee, Eun Mi; Kang, Dong Jin; Seo, Jeong-Ah; Choi, Hyung-Kyoon; Kim, Young-Suk; Lee, Do Yup

Issue Date
2020-07
Publisher
Academic Press
Citation
LWT - Food Science and Technology, Vol.129, p. 109454
Abstract
Nutrition-compositional evaluation is critical for quality control and value determination of agricultural products. Sesame seed is an important crop worldwide, enriched with primary nutrients and bioactive compounds. Here, we metabo-typed sesame seeds cultivated in Korea (N = 20) and imported from China (N = 11), South Asia (India and Pakistan), and Africa (Nigeria and Ethiopia) based on 243 metabolites determined by the combination of GC-MS and LC-MS. First, PLS-DA coupled to VIP analysis proposed ten-metabolite recomposite for biomarker. Receiver operating characteristic (ROC) analysis demonstrated the best predictability of the tenmetabolite recomposite according to the four areas (AUCs ranged 0.93-1.00). We further interrogated the unique metabolic features of 20 Korean domestic samples. Unbiased metabo-typing of the profiles showed the strong association according to the longitudinal coordination of the cultivated regions. The resultant 3 groups presented the regional specificity in metabolite contents based on chemical enrichment analysis. Particularly, the northwest region was featured by enriched amino acids, sugar alcohols, and pyrrolidinones. The central region presented relatively higher contents in various types of sugar alcohols, indoles, and fatty acids whereas the east province and south coast showed higher contents in dicarboxylic acids and dipeptides.
ISSN
0023-6438
URI
https://hdl.handle.net/10371/190306
DOI
https://doi.org/10.1016/j.lwt.2020.109454
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