Fig. 1From: Vanda roxburghii chloroform extract as a potential source of polyphenols with antioxidant and cholinesterase inhibitory activities: identification of a strong phenolic antioxidantPercentage of inhibition of acetylcholinesterase (a) and butyrylcholinesterase (b) activity at different concentration of V. roxburghii extracts and the reference standard donepezil or galantamine. Standard was used for comparison. Results represent mean ± SD (n = 3, (P < 0.05). PEF, petroleum ether fraction; CLF, chloroform fraction; EAF, ethylacetate fraction; AQF, aqueous fractionBack to article page