Flavonoid glycosides in the shoot system of Okinawa Taumu (Colocasia esculenta S.)

  title={Flavonoid glycosides in the shoot system of Okinawa Taumu (Colocasia esculenta S.)},
  author={A. C. Leong and Y. Kinjo and M. Tako and H. Iwasaki and H. Oku and H. Tamaki},
  journal={Food Chemistry},
  • A. C. Leong, Y. Kinjo, +3 authors H. Tamaki
  • Published 2010
  • Chemistry
  • Food Chemistry
  • Six C-glycosylflavonoids and one O-glycosylflavonoid have been isolated from the shoot system of Taumu (Colocasia esculenta S.). They were identified as schaftoside, isoschaftoside, orientin, isovitexin, isoorientin, vitexin and luteolin 7-O-sophoroside. The presence of catechol moiety in the B-ring of isoorientin, orientin and luteolin 7-O-sophoroside showed strong antioxidant activity with different mechanisms of action in DPPH radical scavenging, β-carotene bleaching and superoxide radical… CONTINUE READING
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