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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Society of Cosmetic Scientists of Korea
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Journal DOI :
Society of Cosmetic Scientists of Korea
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Volume & Issues
Volume 20, Issue 1 - Mar 1994
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Anti-melanogenesis effect of 4-hydroxy-5-methyl-3[2H]-furanone, an antioxidant isolated from pine needles
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 1~13
An antioxidative compound was isolated from pine needles. This compound was identified as 4-hydroxy-5-methyl-3[2H]-furanone on the basis of spectroscopic evidences. It scavenged 1,1-diphenyl-2-picrylhydrazyl free radicals more efficiently than maltol and tocopherol did. It exhibited an inhibitory effect on the lipid peroxidation of rat liver microsome induced by Fe(ll)/ascorbate, and the protective effect against UV cytotoxicity in cultured human fibroblasts. In addition, HMF appeared to prevent the cellular melanogenesis in the cultured murine melanoma cells, more effectively than kojic acid, a well known inhibitor of melanogenesis, while the former was not so effective as the latter for the inhibilion of the tyrosinase. Considering that cellular melanogenesis is a metabolic process triggered by oxidative stress, it was tentatively deduced that the antioxidative property of HMF may afford the effect against cellular pigmentation by alleviating the causative stress. This study provided a novel inhibitor of melanogenesis, that might be useful for the cosmetic applications.
THE STUDY ON WOUND HEALING POTENTIAL OF COSMETIC INGREDIENTS IN CULTURED KERATINOCYTES
Kim, Young-Deuk ; Lee, Sang-Min ; Kang, Seh-Hoon ;
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 14~24
Mma-5 and Malva are extracts from a defined seaweed of the Rhodophyceae family and an annual or perenial plant, respectively. They have traditionally a significant stimulating properties such as protein synthesis, astringent, emollient, and et al.. In order to investigate the effect on wound healing, we studied for cell migration, cell attachment, and cell proliferation in vitro. The results of present study demonstrated that MMA-5 and Malva extract had the effect on wound healing, therefore we suggested that they could be effective materials to be applied to Cosmetic products.
New screening method for anti-inflammatory agent
Lee, Su-Hwan ; Jeong, Seong-Won ; Lee, U-Yeong ;
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 25~36
It is weal known that bacterial lipopolysaccharide (LPS) stimulates prostaglandin synthesis in various experimental system via enhancing the expression of cylooxygenase-2 (COX-2). This study was designed to characterize U)5-induced prostaglandin synthesis in mouse peritoneal macrophages LPS-stimulated prostaglandin synthesis in macrophages with short term exposure was not so much prominent, but there was a burst in prostaglandin synthesis 8 hours after the LPS treatment and this u·as accompanied with the increase of cyclooxygenase activity, Dexamethasone markedly inhibited prostaglandin synthesis in this system. Metabolic label ins data supported above observations and thus, it could be concluded that LPS induces the do novo synthesis of COX-2 by which it stimulates the prostaglandin synthesis in mouse peritoneal macrophages, These data suggested that this experimental model system could be used for the screening procedure of COX-2 selective inhibitors. Ketoprofen, a non steroidal anti inflammatory agent, appeared to inhibit COX-1 relatively more selectively than COX-2
A Study on the Preparation and Application of Chitosan Microcapsule and Bead.
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 37~51
Empty cross-linked chitosan microcapsule was prepared by chemical cross-linking reaction using glutaraldehyde(GA). Chitosan bead was also prepared by coacervation method using sodium hydroxide. The technique involves the formation of a chitosan solution in the discontinuous phase of W/O emulsion. The factors influencing the emulsion stability have been examined to establish optimum conditions Chitosan microcapsules were useful for encapsulation of biological materials, and chitosan bead was useful to prepare the biologically active peptide-bound polysaccharide. As a model compound Gly-His-Lys, cell growth factor, was successfully coupled to chitosan bead.
The effects of surfactant and cosurfactant on the stability and rheological properties of O/W microemulsion
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 52~63
It was investigated that the effects of surfactant to cosurfactant ratio on the stability and rheological properties of o/w microemulsion. The stability of microemulsion was good in the surfactant to cosurfactant ratio 20/40 - 30/30. In the point of rheological properties, a yield stress meande the inner structure formation was detected and the area of hysteresis loop was increased with increasing of surfactant content of the ratio. The microemulsion prepared by the Microfluidizer was characterized by rheopetic.
Effect of Direct Emulsification Method and Invert Emulsification Method On Droplet Size of O/W Emulsion
Journal of the Society of Cosmetic Scientists of Korea, volume 20, issue 1, 1994, Pages 64~81
O/W emulsions with mixed nonionic surfactants(polyoxyethylene(20)sorbitan monostearate/sorbitan sesquioleate), liquid paraffin, water prepared by direct inversion emulisification method and continuous inversion emulsification Method. The one-step, two-step and three-step phase inversion emulsification method were used in experiments. Effect of added water on droplet size of final O/W emulsions which is prepared by phase inversion emulsification method were investigated. In direct inversion emulsification method(two-step emulsification method), fine and homogeneous droplets of OIW emulsions were formed after phase inversion steps i.e. ,W/O - (W/O) If double emulsion - O/W emulsion. In continuous inversion emulsification method(three-step emulsification method), fine and homogeneous O/W emulsion were formed after phase inversion steps i.e., W/O - pseudomicroemulsion - O/W. By latter method, more Fine and homogenuous droplets were formed than former method. 10-10, 8 HLB region of mixed non-ionic surfactants could produce most fine droplets. This HLB region had maximum values of solubilization water and This HLB value of mixed nonionic surfactants produced fine and homogenuous droplets.