Structural and Functional Characterization of Polyphenols Isolated from Acerola (Malpighia emarginataDC.) Fruit

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2005 English Publisher:Informa UK LimitedJournal:Bioscience, Biotechnology, and Biochemistry, volume 69, pages 280-286 (issn: 0916-8451, eissn: 1347-6947,

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Authors: HANAMURA, Takayuki; HAGIWARA, Toshihiko; KAWAGISHI, Hirokazu;

doi: 10.1271/bbb.69.280

pmid: 15725651

Structural and Functional Characterization of Polyphenols Isolated from Acerola (Malpighia emarginataDC.) Fruit

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Abstract

Two anthocyanins, cyanidin-3-alpha-O-rhamnoside (C3R) and pelargonidin-3-alpha-O-rhamnoside (P3R), and quercitrin (quercetin-3-alpha-O-rhamnoside), were isolated from acerola (Malpighia emarginata DC.) fruit. These polyphenols were evaluated based on the functional properties associated with diabetes mellitus or its complications, that is, on the radical scavenging activity and the inhibitory effect on both alpha-glucosidase and advanced glycation end product (AGE) formation. C3R and quercitrin revealed strong radical scavenging activity. While the inhibitory profiles of isolated polyphenols except quercitrin towards alpha-glucosidase activity were low, all polyphenols strongly inhibited AGE formation.

Related Organizations

Nichirei Corporation
Japan
Shizuoka University
Japan

Keywords

Flavonoids, Glycation End Products, Advanced, diabetes, Molecular Structure, advanced glycation end products, Polyphenols, α-glucosidase, Rhamnose, Antioxidants, acerola, Anthocyanins, polyphenol, Phenols, Fruit, Glycoside Hydrolase Inhibitors, Quercetin, Malpighiaceae

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