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The Formulation of Semi-Transparent Gel Emulsion by the Liquid Crystal Emulsification Method
Jungil Kim,Youngkeun Lee,Yongmin Kim,Seiyoung Yun 한국유화학회 2018 한국응용과학기술학회지 Vol.35 No.4
Abstract 1. Introduction 2. Experimental 3. Results and Discussion 4. Conclusion References
The Formulation of Semi-Transparent Gel Emulsion by the Liquid Crystal Emulsification Method
Kim, Jungil,Lee, Youngkeun,Kim, Yongmin,Yun, Seiyoung The Korean Society of Applied Science and Technolo 2018 한국응용과학기술학회지 Vol.35 No.4
Liquid crystals offer plenty of useful activities as improving the stability of emulsion, increasing moisturizing power, drug release, improving skin feeling and visual effect for cosmetics fields. In order to prepare stable semi-transparent gel emulsion, liquid crystal emulsification method was used. The emulsion stabilities of systems containing glycerin, fatty alcohols, surfactants, water and oil were investigated at various temperatures as time passed. The stabilities of all emulsions were evaluated by means of a polarizing microscope, SEM, rheometer, colorimeter and DSC. Even though the samples stored at $50^{\circ}C$ thermostatic chamber were occurred the reduction of hardness, turbidity and ${\Delta}H$ and the peak shift, the semi-transparent gel emulsion was very stable without separation between water and oils phase in emulsion.
사람 섬유아세포에서 세리신잠 실샘가수분해물(Sericinjam Gland Hydrolysate)의 항산화 및 항노화 효과
천유리 ( Yuri Cheon ),황정욱 ( Jung Wook Hwang ),이희삼 ( Heui Sam Lee ),윤세영 ( Seiyoung Yun ),최용수 ( Yong-soo Choi ),강상진 ( Sangjin Kang ) 대한화장품학회 2013 대한화장품학회지 Vol.39 No.1
본 논문에서는 세리신잠 실샘 가수분해물(Sericinjam Gland Hydrolysate: SJGH)을 이용하여 진피 섬유아세포에서 항산화 및 항노화 연구를 진행하였다. SJGH는 사람 섬유아세포에서 고농도의 과산화수소에 의한 세포사멸과 세포 내 산화 증가를 효과적으로 방어하였다. 또한 SJGH는 저농도의 과산화수소에 의한 섬유아세포의 SA-β-Gal 발현과 MMP-1의 발현 증가를 억제하였고, 반대로 프로콜라겐 I의 생합성은 증가시켰다. 이러한 결과를 통해 SJGH의 항산화 및 항노화 효과가 우수함을 확인하였으며, SJGH가 항노화 화장품의 우수한 소재가 될 수 있음을 보여준다. We studied the anti-oxidant and anti-aging activities of Sericinjam Gland Hydrolysate (SJGH) in the human dermal fibroblasts. SJGH effectively defended cell death and ROS generation under high H<sub>2</sub>O<sub>2</sub> in human dermal fibroblasts. Moreover SJGH reduced the expression of SA-β-Gal and MMP-1 under low concentration of H<sub>2</sub>O<sub>2</sub> whereas biosynthesis of procollagen-Ⅰ was increased. This results demonstrate the anti-oxidant and anti-aging activities of SJGH. SJGH could be a good candidate for anti-aging cosmetics ingredient.