Literature DB >> 15725651

Structural and functional characterization of polyphenols isolated from acerola (Malpighia emarginata DC.) fruit.

Takayuki Hanamura1, Toshihiko Hagiwara, Hirokazu Kawagishi.   

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.

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Year:  2005        PMID： 15725651     DOI： 10.1271/bbb.69.280

Source DB:  PubMed          Journal:  Biosci Biotechnol Biochem        ISSN： 0916-8451            Impact factor:   2.043


  19 in total

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10.  Radioprotective effect of the Barbados Cherry (Malpighia glabra L.) against radiopharmaceutical iodine-131 in Wistar rats in vivo.

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