Articles
POLYPHENOLIC CONTENTS AND CAFFEIC ACID DERIVATIVES IN LEAVES OF IPOMOEA BATATAS L. GENOTYPES
Article number
841_75
Pages
529 – 532
Language
English
Abstract
Total polyphenol contents and the caffeic acid derivatives of sweetpotato leaves (Ipomoea batatas L. Lam) of sixty different genotypes were identified and quantified.
The six caffeoylquinic acid derivatives of sweetpotato leaves were: caffeic acid (CA), chlorogenic acid (3-O-caffeoylquinic acid; ChA), 3,4-di-O-caffeoylquinic acid (3,4-diCQA), 3,5-di-O-caffeoylquinic acid (3,5-diCQA), 4,5-di-O-caffeoylquinic acid (4,5-diCQA) and 3,4,5-tri-O-caffeoylquinic acid (3,4,5-triCQA). The results indicate that most of the individual caffeic acids were positively correlated with the total polyphenol contents of sweetpotato leaves.
The sweetpotato leaf contains higher concentration of biologically active caffeoylquinic acid derivatives, which has the significant medicinal values for certain human diseases.
The six caffeoylquinic acid derivatives of sweetpotato leaves were: caffeic acid (CA), chlorogenic acid (3-O-caffeoylquinic acid; ChA), 3,4-di-O-caffeoylquinic acid (3,4-diCQA), 3,5-di-O-caffeoylquinic acid (3,5-diCQA), 4,5-di-O-caffeoylquinic acid (4,5-diCQA) and 3,4,5-tri-O-caffeoylquinic acid (3,4,5-triCQA). The results indicate that most of the individual caffeic acids were positively correlated with the total polyphenol contents of sweetpotato leaves.
The sweetpotato leaf contains higher concentration of biologically active caffeoylquinic acid derivatives, which has the significant medicinal values for certain human diseases.
Publication
Authors
S. Islam
Keywords
sweetpotato leaf, polyphenol, medicinal value
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