Geographical origin of guarana seeds from untargeted UHPLC-MS and chemometrics analysis
Food Chemistry(2022)
摘要
•Dimers and trimers were responsible for the geographical separation of the guarana.•Procyanidins of guarana were identified as dimer and trimer type A and dimer type B.•Multivariate analysis separated guarana according to its geographical origin.•A quality control method of guarana to assist the certification of origin.
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关键词
Paullinia cupana,Fingerprint,Chemometrics,UHPLC-MS
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