Extraction and quantification of gymnemic acids through gymnemagenin from callus cultures of Gymnema sylvestre
2006
Kanetkar, P.V. | Singhal, R.S. | Laddha, K.S. | Kamat, M.Y.
The phyto-constituents of Gymnema sylvestre are used in the treatment of diabetes and obesity. The present work reports on the extraction of gymnemic acid through gymnemagenin from callus cultures of G. sylvestre. Components were separated on pre-coated silica gel 60 GF₂₅₄ plates with chloroform:methanol (8:2) and scanned using a densitometric scanner at 205 nm in the near-UV region. Linearity of determination of gymnemagenin was observed in the range 2-10 micrograms. The average percentage recovery of gymnemagenin from leaf callus extracts was 98.9 ± 0.3.
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