Journal
CHEMISTRY OF NATURAL COMPOUNDS
Volume 48, Issue 5, Pages 785-788Publisher
SPRINGER
DOI: 10.1007/s10600-012-0382-2
Keywords
Alpinia bracteata; phenolic compounds; antioxidant activity; DPPH
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Funding
- National Natural Science Foundation of China [21072230]
- Scaling Project for Innovation Scholars
- Natural Science Foundation of Jiangsu Province, China [BK2008039]
- National Key Scientific and Technological Special Projects [2009ZX09502-011]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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A new phenolic glycoside, 4-hydroxy-2-methoxyphenol-beta-D-{3aEuro(3)-O-[4'-hydroxy-3'-methoxy(benzoate)]}glucopyranoside (7), together with six known phenolic compounds, was isolated from the rhizomes of Alpinia bracteata. Their structures were elucidated by spectral and chemical methods. In addition, their antioxidant activity was evaluated with the DPPH (1,1-diphenyl-2-picrylhydrazyl) assay.
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