Korean Journal of Pharmacognosy (생약학회지)

The Korean Society of Pharmacognosy (한국생약학회)
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Phenolic Compounds from Seeds of Astragalus sinicus and Its Antioxidative Activities

자운영(Astragalus sinicus)종자의 페놀성 화합물 및 항산화 활성

  • Published : 2003.12.30
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Abstract

Phytochemical examination of seeds of Astragalus sinicus has led to the isolation and characterization of kaempferol $3-O-{\beta}-D-apiofuranosyl-(1{\rightarrow}2)-{\alpha}-L-rhamnopyranosyl-(1{\rightarrow}6)-{\beta}-D-glucopyranoside$ (1), quercetin $3-O-{\beta}-D-xylopyranosyl-(1{\rightarrow}2)-{\beta}-D-glucopyranoside$ (2), ampelopsin (3), ampelopsin $3'-O-{\beta}-D-xylopyranoside$ (4), ampelopsin $3'-O-{\beta}-Dxylopyranoside$ (5), myricetin (6), myricetin $3'-O-{\beta}-D-glucopyranoside$ (7), myricetin $3'-O-{\beta}-D-xylopyranoside$ (8). Antioxidative activity of these compounds was determined by measuring the radical scavenging effect on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals. Flavanonols(3,4, and 5) showed potent antioxidative activity.

Keywords

References

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