期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 65, 期 2, 页码 523-532出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.6b03203
关键词
metabolic variability; bioactive compounds; native fruit; metabolomics; LC-ESI-qTOF-MS; multivariate analysis
资金
- Capes
- CNPq [457947/2014-4]
The metabolic variability of fruit from Butia spp. (Arecaceae) genotypes from different geographical locations was characterized-using untargeted metabolomics by liquid chromatography mass spectrometry (LC-MS) followed by multivariate data analyses. Principal component analysis (PCA) and partial least-squares discriminant analysis (PLS-DA) from LC-MS data sets showed a clear distinction among Butia catarinensis, Butia odorata, Butia paraguayensis, and Butia yatay. The major metabolites that contributed to species discrimination were primary metabolites including sugars and organic acids and specialized metabolites such as, tetrahydroxy-trans-stilbene and rutin. B. odorata fruit from Tapes, RS, Brazil, showed a high content of organic acids and flavonoids, whereas B. odorata fruits from Capao do Leao, RS, Brazil, showed a high sugar content. The results demonstrate that LC-ESI-qToF-MS-based metabolic profiling coupled with chemometric analysis can be used to discriminate among Butia species and between geographical origins of B. odorata and to identify primary and specialized metabolites responsible for the discrimination.
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