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( Chungwoo Lee ),( Hyeongbae Pyo ),( Youngho Cho ),( Sungmin Park ) 대한화장품학회 1998 대한화장품학회지 Vol.24 No.3
Soybeans are one of the major crops for human food resource; protein, lipid, and carbohydrate. In these days, they are widely using for cosmetics to supply phospholipid; natural surfactant. In this study we used black soybean seed in korea and observed many kinds of biochemical constituents; isoflavone, melatonin, crisantemine and calcium in ethanol extract. Also, its extract (we named it Flatonin) has been demonstrated that korean black soybean seed is able to stimulate the proliferation of NIH 3T3 cells and increase the production of type III collagen in NIH 3T3 and Malme-3 (human skin fibroblast) cells. The addition of korean black soybeen to quiescent NIH 3T3 cells resulted in an increase of proliferation which was assayed by MTT method. The maximum effect of korean black soybean was detected in 0.4% korean black soybean treated cells which was comparable to that of 5% serum(96% of 5% serum effect). The addition of korean black soybean to NIH 3T3 and Malme-3 cells also increased the production of type III collagen in both cells. These results indicate that korean black soybean may enhance the repair process after injury and prevent aging processes in connective tissues.
홍준기 ( Junki Hong ),유재원 ( Jaewon You ),유장영 ( Jangyung Yoo ),남승옥 ( Seungok Nam ),이상길 ( Sanggil Lee ),표형배 ( Hyeongbae Pyo ) 대한화장품학회 2013 대한화장품학회지 Vol.39 No.2
수성 이상계는 물에 친수 성분만을 용해시킨 후 용해 물질들 사이에 유발되는 단순한 물리적 불친화성에 의해 액상 다중 층으로 분리되기 때문에 생체적합성에 대한 장점을 가지고 있다. 본 연구에서는 물에 친수 성분만을 용해시킨 후 두 층으로 분리되는 수성 이상계 상분리 원리를 수성 다중 층 액상 화장료에 응용하여 수성다중 층 화장료에 적용이 가능한 대표적인 두 종의 수성 이상계를 선정하였으며, 이들에 대해 바이노달 곡선과 임계점 및 농도 대응선 그리고 새로운 개념의 상분리 부피 및 상분리 시간 대응곡선을 포함하는 상도를 실험을 통해 작성하였으며, 상 도표로부터 액상 다중 층으로 분리되는 최적의 조건을 관찰할 수 있었다. The aqueous two phase system has biocompatibility, because it is physically separated into an immiscible liquid multi-layer induced by incompatibility among hydrophilic components dissolved in the water phase. we have applied this principle to aqueous multi-layer liquid cosmetics and select two representative systems. What it was experimentally obtained was the phase diagrams including a binodal curve, a critical point, tie lines of concentration and tie curves of phase separating volume ratio and phase separating time. From the phase diagrams, we were able to observe existence of the optimum condition to prepare the aqueous multi-layer cosmetics for the systems.