4.5 Article

Diverse Triterpenoids from Mastic Produced by Pistacia lentiscus and Their Anti-Inflammatory Activities**

Journal

CHEMISTRY & BIODIVERSITY
Volume 19, Issue 3, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.202101012

Keywords

Pistacia lentiscus; mastic; triterpenoids; anti-inflammation

Funding

  1. National Natural Science Foundation of China [82060774]
  2. Jiangxi 'Shuangqian' Program [JXSQ2018101008]

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Eight new triterpenoids were isolated from the resins of Pistacia lentiscus, including one apotirucallane-type, six tirucallane-type, and one oleanane-type triterpenoids. These compounds showed moderate inhibitory effects on NO production.
Eight undescribed triterpenoids (1-8), including one apotirucallane-type triterpenoid (1), six tirucallane-type triterpenoids (2-7), and one oleanane-type triterpenoid (8), along with ten known compounds (9-18) were isolated from the resins of Pistacia lentiscus. Their structures were elucidated by integrating NMR spectroscopic analyses and ESI-HR-MS. Compounds 5, 11-17 exhibited moderate inhibitory abilities against NO production in LPS-induced RAW264.7 cells, with IC50 values in the range of 18.26-50.37 mu M, compared to that of the positive control dexamethasone (IC50=20.24 mu M).

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