This study aims to analyze the extract lemon grass, lemon grass, split into three sections, the root, stem and leaf to test an anti oxidant and chemical composition of extracts from different parts as a guide in the development of a formula used in cosmetic skin care. The result of the study compounds assay methods with Folin-ciocalteu lip fino results found a value equivalence of the galley in the acid-mg 1 ml of extract (mg GAE/ml extract) the leaves of Lemongrass with a carbon phenolic compounds most (0.175 – 0.196 mg GAE/ml) is the root (0.146 mg/ml 0.138 – GAE) and trunk (0.07.5 – 0.078 mg/ml GAE) education anti the petty way, radical scavenging DPPH ลอิสระ Mie assay found that section leaves of lemon grass, coupled with the most antioxidant (39.28 – 54.36%) is inferior to the root (27.21 – 30.71%) and trunk (14.47 – 15.22%) in a part of the extracts have developed the formula.It is used in skin care products. It found that an extract derived from the root part and the trunk when mixed together and then make a soft fragrance. Suitable for use in skin care products to replace aromatic compounds. Test comparison of satisfaction of cosmetic formula, and lemon extracts instead of aromatic compounds with products on the market, found that volunteering, recognition and satisfaction in the colors and smells as close to the product on the market, but other performance products. Must also develop an effective equivalent products on the market continue to?
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