Chemical constituents of Vietnamese mangrove Hibiscus tiliaceus with antioxidant and alpha-glucosidase inhibitory activity

Le Ba Vinh, Nguyen Thi Minh Nguyet, Chu Duc Thanh, Tran Thu Huong, Le Huyen Tram, Nguyen Van Thong, Nguyen Hoang Minh, Nguyen Phuong Thao, Inkyu Hwang, Seo Young Yang, Young Ho Kim

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Using various chromatographic techniques, a total of 15 compounds, including one novel megastigmane named tiliaceic acid A (1) and 14 known compounds, were isolated from the traditional medicinal Vietnamese mangrove Hibiscus tiliaceus. Their structures were confirmed based on spectroscopic experiments including, UV, 1 D- and 2 D-NMR, HR-ESI-MS, and ECD analysis. The antioxidant and α-glucosidase inhibitory activities of the isolated compounds from H. tiliaceus were evaluated for the first time. Compound 2 showed strong α-glucosidase inhibitory activity with an IC50 of 77.78 ± 1.00 μM compared with the positive control acarbose at 105.71 ± 2.29 μM.

Original languageEnglish
Pages (from-to)2899-2904
Number of pages6
JournalNatural Product Research
Volume35
Issue number17
DOIs
StatePublished - 2021

Keywords

  • Hibiscus tiliaceus
  • Malvaceae
  • antioxidant
  • megastigmane
  • α-glucosidase

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