Isolation of melanogenesis inhibitors from cinnamomi cortex

Hee Wook Jung, Ji Young Choi, Jong Gu Lee, Eun Hyang Choi, Joon Seok Oh, Dong Chun Kim, Jeong Ah Kim, Seong Hee Park, Jong Keun Son, Seung Ho Lee

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Cinnamomi Cortex (Lauraceae), the dried bark of Cinnamomum cassia BLUME, has been used as traditional Chinese medicine for its stomachic, astringent, carminative, antispasmodic, antibacterial, antifungal properties. Four compounds were isolated from the MeOH extract of Cinnamomi Cortex, and their structures were identified as trans-cinnamic acid (1), β-sitosterol (2), bis(2-methylheptyl)phthalate (3), coumarin (4) by comparison of their physical and spectral data with those reported in the literature. These compounds were tested melanogenesis inhibitory effect on B-16 mouse melanoma cell lines. Among them, trans-cinnamic acid (1) showed the most potent inhibitory effect on melanogenesis with IC50 value of 13 μg/ml. Arbutin, positive control, exhibited an IC50 value of 29 μg/ml.

Original languageEnglish
Pages (from-to)382-386
Number of pages5
JournalKorean Journal of Pharmacognosy
Volume38
Issue number4
StatePublished - Dec 2007

Keywords

  • Cinnamomi cortex
  • Melanogenesis inhibitor
  • Trans-cinnamic acid

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