Gangseo gu, South Korea
Gangseo gu, South Korea

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Kim T.,Inje University | Kim S.,Inje University | Kang W.,Amaranth Cosmetics | Baek H.,Amaranth Cosmetics | And 4 more authors.
Korean Journal of Chemical Engineering | Year: 2011

Porcine amniotic fluid was investigated for use as a functional cosmetic ingredient. From safety tests by MTT (5-diphenyltetrazolium bromide) assay, cell viability was above 90% for 50-1,000 μg/mL concentration and porcine amniotic fluid was safe for cosmetic ingredient. From stability tests, cream containing 1% porcine amniotic fluid maintained constant physical properties for color, pH and viscosity during 28 days, and porcine amniotic fluid was stable for a cosmetic agent. Efficacy tests were done for antiwrinkle (elastase inhibition and collagenase synthesis inhibition), whitening (tyrosinase inhibition and DOPA (3,4-Dihydroxy-L-phenyl-alanine) oxidation inhibition) and antioxidation. At 500 μg/mL concentration, elastase inhibition of porcine placenta amniotic fluid was 33%, whereas that of adenosine as reference was 14%. However, porcine amniotic fluid showed relatively insignificant effect on collagenase synthesis inhibition, whitening and antioxidation activity. From this study, porcine amniotic fluid showed potential for a future antiwrinkle cosmetic agent. © 2011 Korean Institute of Chemical Engineers, Seoul, Korea.


Kim T.,Inje University | Kim H.J.,Inje University | Cho S.K.,Inje University | Kang W.Y.,Amaranth Cosmetics | And 4 more authors.
Korean Journal of Chemical Engineering | Year: 2011

Water extract from Nelumbo nucifera was tested for possible functional cosmetic agent. Whitening effect was measured by tyrosinase inhibition assay and DOPA-oxidase inhibition assay, and anti-wrinkle effect was checked by elastase inhibition assay. DOPA-oxidase inhibition effect (whitening effect) of Nelumbo nucifera's leaf, seed and flower extract was 59%, 57% and 50%, respectively. Nelumbo nucifera's leaf, seed and flower extract showed 56%, 49%, and 54% elastase inhibition (anti-wrinkle effect) at 200 μg/ml, while adenosine indicated 26% inhibition. Water cream including Nelumbo nucifera's root, leaf, flower, stem extract did not cause significant skin irritation. Water cream including 4% Nelumbo nucifera extract was stable for 30 days under various temperature conditions. From the study, Nelumbo nucifera's leaf, flower and seed extracts showed strong possibility for whitening and anti-wrinkle functional cosmetic agent. © 2010 Korean Institute of Chemical Engineers, Seoul, Korea.

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