Alpinia purpurata or red ginger was studied for its phytochemical constituents as part of our growing interest on Philippine Zingiberaceae plants that may exhibit antimycobacterial activity. The hexane and dichloromethane subextracts of the leaves were fractionated and purified using silica gel
A methanol extract from Pogostemon cablin showed a suppressive effect on umu gene expression of SOS response in Salmonella typhimurium TA1535/pSK1002 against the mutagen 2-(2-furyl)-3-(5-nitro-2-furyl)acrylamide (furylfuramide). The methanol extract was re-extracted with hexane, dichloromethane,
Several Buddleja species were the target of phytochemical and biological studies; however, nothing was reported concerning the chemistry of Buddleja polystachya Fresen. growing in Saudi Arabia. Sixteen constituents were isolated from the aerial parts of B. polystachya using various chromatographic
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