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KMID : 0604520060320020105
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Journal of the Society of Cosmetic Scientists of Korea
2006 Volume.32 No. 2 p.105 ~ p.110
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The Differences in Efficacy and Effect of Herbal Extracts by the Part and Solvent Extraction from the Medical Plants
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Kim Kyung-Dong
Na Min-Kyun
Kim Sang-Jin
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Abstract
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This study was to describe the differences in efficacy and effect of herbal extracts by the part and solvent extraction from the medical plants used as materials of oriental herbs cosmetics. And, this study was to apply to the test method of efficacy and effect related to the antioxidation as herbal extracts, complex of actual ingredient, not existing analytical methods of single ingredient. After screening the medical plants with the antioxidative activity primarily and selecting 11 sorts of medical plants to be used by the part in the literature, this study was to confirm the differences through the well-known test methods like DPPH radical scavenging activity test and hydroxyl radical scavenging activity test. For examples, in case of Trachelospermum asiaticum, compared with the aerial part and fruit, the value of DPPH radical scavenging activity test had 25.2 {pm} 0.2 and 62.4 {pm}1.6 each. It has shown that the value of fruit had 2.4 times higher effect than the one of aerial part. In case of hydroxyl scavenging activity test, it was effective in the fruit, but it has shown that there was no effect on the aerial part. It showed the same phenomena in some other plants. From the result above, this researcher could understand that it needed to consider extracting the medical plants or plants with the active principle by the part. Also, this study was to confirm the differences in effect according to the solvent as it changed the solvent extraction after selecting a plant (Lithospermum erythrorhizon) widely used for medicine and dye. As a result of measuring the actual value of superoxide scavenging activity test, this study was to consider that there were differences by the part or solvent extraction in extracting and using the medical plants as it has shown that the effect differences produced 10{sim}80% according to the solvent. When it was applied to the products, this study has shown that it needed to decrease the possible errors.
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KEYWORD
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herbal extracts, cosmetics, medical plants, solvent extraction, antioxidants
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