Journal of the Society of Cosmetic Scientists of Korea (대한화장품학회지)

Society of Cosmetic Scientists of Korea (대한화장품학회)
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Enhancement of Antioxidant and Anti-aging Activities of Spirulina Extracts by Fermentation

스피루리나 발효에 의한 항산화력 증진 및 항노화 효과

  • Kim, Dong-Hyun (Department of Chemical and Biochenmical Engineering, Dongguk University) ;
  • Choi, Hyun-Kyung (Department of Chemical and Biochenmical Engineering, Dongguk University) ;
  • Cho, Seok-Cheol (Biovan Co. Ltd., R&D Center, Yonsei Engineering Reasearch Complex) ;
  • Kook, Moo-Chang (Biovan Co. Ltd., R&D Center, Yonsei Engineering Reasearch Complex) ;
  • Park, Chang-Seo (Department of Chemical and Biochenmical Engineering, Dongguk University)
  • Published : 2008.09.30
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Abstract

It is known that Spirulina extracts have strong antioxidant activities since it contains diverse antioxidants such as phycocyanian, ${\beta}$-carotene, vitamin E and other carotenoids. In order to enhance antioxidant activity of Spirulina, Spirulina extracts were fermented by Lactobacillus plantarum P23 and Bacillus subtilis TP6. The resulting fermented supernatants were analyzed for their antioxidant activities by DPPH (1,1-diphenyl-2-picrylhydiazyl) method. The results indicated that fermentation process significantly enhanced total antioxidant activities. Increased levels of UV-induced TNF-${\alpha}$ and IL-6 were reduced back to normal level even by treatment of all three of the Spirulina extracts. The result suggested that the fermentation process enhanced the anti-inflammatory activities at least ten times higher than the simple extract. Zymography is used to determine the expression of UV-induced MMP. Spirulina extracts fermented by Bacillus subtilis TP6 were found to suppressed the expression of MMPs. Also treatment with the fermented Spirulina extracts resulted in an increase of collagen synthesis in vitro. In conclusion, the fermented Spirulina extracts are expected to be used as anti-aging cosmeceuticals.

Spirulina는 시아노박테리아의 일종으로 피코시아닌, 베타카로틴, 비타민 E, 카로티노이드 등의 항산화물질과 양질의 단백질을 고농도로 함유하고 있어 이의 추출물은 화장품 소재로서 가치가 높다. Spirulina의 항산화력 증진을 위해 Spirulina 추출물을 Lactobacillus plantarum P23과 Bacillus subtilis TP6로 발효한 후 항산화, 항염증 및 항노화 기초 효능을 측정하였다. DPPH (1,1-diphenyl-2-picrylhydrazl)법으로 측정한 항산화력은 발효 후 24.1% (P23)와 18.6%(TP6)고 증가되었다. Spirulina 추출물은 배양 중인 keratinocyte에 UV 조사 후 증가된 TNF-${\alpha}$와 IL-6를 정상 수준으로 줄여주었으나 발효에 의해 그 효과가 증가되지는 않았다. Spirulina 추출물 및 발효 추출물 모두가 UV 조사에 의한 세포사멸을 방지하였다. 특히 P23 발효 추출물의 경우 세포를 활성화시키는 효과가 관찰되었다. UV 조사 후 관찰되는 콜라겐 생합성 감소와 MMP-2의 발현의 증가가 Bacillus subtilis TP6로 발효한 Spirulina 추출물의 경우에서만 관찰되었다. 결론적으로 Spirulina의 발효에 의한 물질은 기능성 화장품 소재로 가치가 기대된다.

Keywords

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