Salicinoyl Quinic Acids and Their Prostaglandin E2Production Inhibitory Activities from the Fruits ofCasearia grewiifolia

Piseth Nhoek, Sungjin Ahn, In Guk Park, Pisey Pel, Jungmoo Huh, Hyun Woo Kim, Jongmin Ahn, Piseth Khiev, Young Hee Choi, Kyeong Lee, Minsoo Noh, Young Won Chin

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

Phytochemical investigation on the dried fruits ofCasearia grewiifolialed to the identification of 10 new salicinoyl quinic acid derivatives ( 1 - 10 ), a new benzoyl quinic acid ( 11 ), and two known compounds ( 12 and 13 ). The structures of the new compounds were elucidated by interpreting 1D and 2D NMR spectroscopic data including HMBC and EXSIDE along with a chemical method for sugar unit analysis. All isolates were evaluated for their inhibitory activities against prostaglandin E2(PGE2) production in ultraviolet B (UVB)-irradiated HaCat keratinocytes. Of the isolates tested, compounds 6 and 12 were found to inhibit PGE2production with IC50values of 20.5 and 28.8 μM, respectively.

Original languageEnglish
Pages (from-to)2437-2446
Number of pages10
JournalJournal of Natural Products
Volume84
Issue number9
DOIs
StatePublished - 24 Sep 2021

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