EVALUATION OF EXTRACTION TECHNIQUES WITH VARIOUS SOLVENTS TO DETERMINE EXTRACTION EFFICIENCY OF SELECTED MEDICINAL PLANTS
AbstractHerbal drugs play an important role in health care dynamics especially in developing countries. The key step in isolation of biologically active compounds is extraction, which is expressed as total extractive yield, yields of metabolites of interest or intensity of biological activity. Extraction of phytoconstituents from plant materials has been of tremendous interest and potential. Extractive value of the crude drug also indicates the quality as well as purity of the drug. For most extractions, relatively simple techniques, such as percolation and maceration are effective and economical. Some specific applications however, require more sophisticated and costly extraction techniques using specialized equipments. It is often possible to select the specific solvent to maximize the yields on the basis of different techniques, varying in cost and level of complexity. Therefore the objective of the present study was to compare different extraction techniques with various solvents for determination of extractive values. The plants selected for the present research work were Averrrhoa carambola L. fruits (Oxalidaceae), Lagenaria vulgaris Ser. fruits (Cucurbitaceae) and Curculigo orchioides Gaertn. rhizomes (Hypoxidaceae). The maximum percentage of extractive value for L. vulgaris Ser. fruit extract was found to be 76.26±0.46 in water using reflux for extraction, whereas A. carambola L. fruit extract and C. orchioides Gaertn. rhizome extract, the maximum percentage of extractive values were found to be 88.40±0.80 and 54.00±0.80 respectively in water using ultrasound extraction method.
Article Information
33
2607-2612
658KB
1998
English
IJPSR
A. G. Patil*, S.P. Koli , D.A. Patil and A.V. Phatak
Associate Professor, Department of Botany-Herbal Sciences, Birla College, Kalyan - 421 304, Maharashtra, India
madhavibadole@rediffmail.com
24 April, 2012
14 May, 2012
21 July, 2012
http://dx.doi.org/10.13040/IJPSR.0975-8232.3(8).2607-12
01 August, 2012