Inhibition of Melanogenesis by Dioctyl Phthalate Isolated from Nigella glandulifera Freyn

  • Nguyen, Duc T. M. (Department of Biological Engineering, Inha University) ;
  • Nguyen, Dung H. (Department of Biological Engineering, Inha University) ;
  • Hwa-La, Lyun (Department of Biological Engineering, Inha University) ;
  • Lee, Hyang-Bok (Department of Biological Engineering, Inha University) ;
  • Shin, Jeong-Hyun (Department of Dermatology, Inha University School of Medicine) ;
  • Kim, Eun-Ki (Department of Biological Engineering, Inha University)
  • 발행 : 2007.10.30

초록

Although a number of melanogenesis inhibitors have recently been reported and used as cosmetic additives, none is completely satisfactory, leaving a need for novel skin-depigmenting agents. Thus, to develop a novel skin depigmenting agent from natural sources, the inhibition of melanogenesis by Chinese plants was evaluated. A methanolic extract of Nigella glandulifera Freyn was found to inhibit the melanin synthesis of murine B16F10 melanoma cells by 43.7% and exhibited a low cytotoxicity (8.1%) at a concentration of $100\;{\mu}g/ml$. Thus, to identify the melanogenesis-inhibiting mechanism, the inhibitory activity towards tyrosinase, the key enzyme of melanogenesis, was further evaluated, and the results showed inhibitory effects on the activity of intracellular tyrosinase yet not on mushroom tyrosinase. Finally, to isolate the compounds with a hypopigmenting capability, activity-guided isolation was performed, and Dioctyl phthalate identified as inhibiting melanogenesis.

키워드

참고문헌

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