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...Journal of pharmacognosy and phytochemistry concept standardization extraction issn jpp pre phytochemical screening strategies for received accepted herbal drug amita pandey shalini tripathi research student rameshwaram institute technology management sitapur road abstract lucknow u p drugs means confirmation its identity determination quality email gmail com purity at present due to advancement in the chemical knowledge crude various methods like botanical spectroscopic biological are used estimating active constituents addition physical constants plants have been known professor relieve diseases ayurveda therefore researchers today emphasizing on evaluation characterization plant against a number based their traditional claims given bioactive has always challenging task this review an attempt made give overview certain extractants processes with advantages disadvantages keywords products phytochemicals solvent introduction is defined as best technical application consensual wisdom in...