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KMID : 0903519870300040335
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1987 Volume.30 No. 4 p.335 ~ p.339
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Purifying Effects of Fat - soluble Solvents in Extracting Saponins from Ginseng Root , Leaf and Stem
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Abstract
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This study was carried out to investigate effects of fat-soluble solvents on the purification against nan-saponin substances such as chlorophylls and other pigments and on the yields of saponins in separating saponins from ginseng root, leaf and stem. Ginseng root saponins were effectively purified by various fat-soluble solvents while ginseng leaf stem saponins were by chloroform. And alternative extractions of ethyl acetate, ethyl ether, chloroform and benzene there more effective for ginseng leaf stem saponins than that by any single solvent. Contents of crude saponin fractions and total ginsenosides in ginseng leaf were 18.5∼19.5% and 10.8∼1.4%, which were very high compared with 4.6∼5.1% and 2.0∼2.6% in ginseng root or 2.2∼2.5% and 0.63∼0.67% in ginseng stem. Therefore, ginseng leaf is good resources for total saponin or ginsenosides-Rg₁, -Re, -Rc, -Rd, -Rb₂ and -Rf.
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