Flavonoids and andrographolides from Andrographis paniculata |
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| Authors: | Koteswara Rao Y Vimalamma G Rao C Venkata Tzeng Yew-Min |
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| Affiliation: | Department of Applied Chemistry, Chaoyang University of Technology, 168 Gifeng E. Road, Wufeng, Taichung 413, Taiwan. |
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| Abstract: | Two flavonoids, identified as 5,7,2',3'-tetramethoxyflavanone and 5-hydroxy-7,2',3'-trimethoxyflavone, as well as several other flavonoids, andrographolide diterpenoids, and polyphenols, were obtained from the phytochemical investigation of the whole plant of Andrographis paniculata, a well known medicinal plant. The structures of these compounds were established with the aid of spectroscopic methods, including analysis by 2D NMR spectroscopy. |
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| Keywords: | Andrographis paniculata Acanthaceae Flavonoids Andrographolide diterpenoids Benzenoids |
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