The purpose of this study was to research about the ingredients for anti-oxidation and anti-wrinkle effects of the solvent fractions from Agrimonia pilosa L. hot water (AW) and 70% ethanol (AE) extracts. The electron donating ability of the solvent fractions from AW and AE extracts showed 84.9, 92.5% in ethyl acetate layer of AW and AE at 1,000 ppm. The superoxide dismutase like activity of solvent fractions from AW and AE extracts showed 61.8% in ethyl acetate layer of AW extracts and 58.0% in buthanol layer of AE extracts at 1,000 ppm. For anti-wrinkle effect, elastase inhibition effect of the solvent fractions from AW and AE extracts showed 55.2, 70.1% in ethyl acetate layer of AW and AE extracts at 1,000 ppm. And collagenase inhibition effect of the solvent fractions from AW and AE extracts showed highest inhibition effect as 90.6% in ethyl acetate layer of AW extract and 88.6% in n-butyl alcohol layer of AE extract at 1,000 ppm. All these findings suggested that solvent fractions from AW and AE extracts has an anti-oxidation and antiwrinkle effects.

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The purpose of this study was to research the cosmeceutical activity of 70% ethanol extracts when Brassica oleracea var. italica Plenck (BO) was dried under red lighting (RLD), blue lighting (BLD), red+blue lighting (RBLD), or white lighting (WLD). The electron-donating abilities of 70% ethanol extracts from drying BO under RLD, BLD, RBLD, and WLD were 62.8%, 68.1%, 60.9%, and 69.9%, respectively, at a concentration of 500 ppm. The superoxide dismutase (SOD)-like activities of 70% ethanol extracts from drying BO under RLD, BLD, RBLD, and WLD were 39.2%, 47.2%, 19.6%, and 21.6%, respectively, at a concentration of 1,000 ppm. In terms of xanthine oxidase inhibition effects, the proportions of 70% ethanol extracts after drying BO under RLD, BLD, RBLD, and WLD were 45.1%, 56.2%, 38.8%, and 53.3%, respectively, at a concentration of 1,000 ppm. The tyrosinase inhibition effects of 70% ethanol extracts when BO was dried under RLD, BLD, RBLD, and WLD were 21.0%, 13.1%, 26.0%, and 19.1%, respectively, at a concentration of 1,000 ppm. The collagenase inhibition effect of 70% ethanol extracts when BO was dried under RLD, BLD, RBLD, and WLD were 47.4%, 20.8%, 54.6%, and 37.2%, respectively, at a concentration of 1,000 ppm. The astringent inhibition effects of 70% ethanol extracts when BO was dried under RLD, BLD, RBLD, and WLD were 21.5%, 39.6%, 40.0%, and 51.6%, respectively, at a concentration of 5,000 ppm. All of these findings suggest that BO extracts dried under RLD, BLD, RBLD, and WLD have great potential as a cosmeceutical ingredient with good biological activity.

Human skin is constantly exposed to environmental conditions such as UV rays, polluted air, and chemical products. UV rays, in particular, affect skin in many ways causing wrinkles, fine wrinkles, rough skin, and xeroderma through a skin aging process. The purpose of this study was to investigate the anti-wrinkling effect of Juniperus rigida Sieb., derived from a common cedar tree found the world over. Measuring the elastase to investigate wrinkling efficacy, it was shown that at a concentration level of 1,000 µg/ml of the two extracts, the water extract exhibited a lower than 10% inhibition activity, while the ethanol extract exhibited a 68.5% inhibition activity. Collagenase inhibition activity in the water extract and ethanol extract were 44.9% in the former and 97.2% in the latter extract, which in the case of the ethanol extract, is similar to ascorbic acid (99.6%). Moreover, measuring the biosynthesis of collagen by fibroblast, a concentration level of 50 µg/ml of ethanol extract produced 151.52% of biosynthetic promotion, proving that the ethanol extract acts as a superb anti-wrinkling agent. The result of an investigation conducted on the influence of the ethanol extract on MMP-1 caused by UVA showed that at a concentration level of 100 µg/ml of the ethanol extract of J. rigida Sieb a 67.1% inhibition activity was noted. At a concentration level of 50 µg/ml of the ethanol extract of J. rigida Sieb a 35% and 39% inhibition ratio to MMP-1 protein and mRNA were observed respectively, thereby restraining the appearance of the collagen breakdown enzyme MMP-1 and wrinkle creation by skin photo-aging.

Objectives : Cosmeceutical activities such as anti-oxidative and anti-aging effects of the Doinseunguitang and its composition, a traditional prescription, were evaluated. Methods : We performed MTT assay, melanin synthesis inhibition assay, DPPH free radical scavenging assay, SOD-like activity, xanthine oxidase inhibition assay, astringent activity assay, tyrosinase inhibition assay, elastase and collagenase inhibition assay. Results : The results were obtained as follows : DPPH free radical scavenging of water extract Doinseunguitang (DISG) and ethanol extract DISG was 60% and 50% at 1,000 ppm. Xanthine oxidase inhibition effect of ethanol extract showed more than 80% at 500 ppm. Tyrosinase inhibition and inhibition melanin synthesis activities were measured in 40% and 50% at 1,000 ppm and 100 ppm. Elastase and collagenase inhibition rate of ethanol extracts DISG 40% and 80% at 1,000 ppm. It was concluded that compositive ingredients (Persicae Seman, Glycyrrhizae Radix, Cinnamomi Ramulus, Rhei Rhizoma) influenced the most results. Conclusions : The results indicated that, ethanol extract which is superior in its anti-oxidative and anti-aging effects is useful to be applied in herbal cosmetic industry.