DOI: 10.1002/cbdv.202301815 ISSN: 1612-1872

Antifungal and Antiproliferative Activity of Pistagremic Acid and Flavonoids Extracted from the Galls of Pistacia chinensis subsp. integerrima

Abdur Rauf, Margrate Anyanwu, Ahmad A. Aliiri, Hamdan A.H. Alanazi, Abdulrahman M.A. Alharbi, Abdul Wadood, Abdullah S.M. Aljohani, Naveed Muhammad, Abdus Samad, Syed Uzair Ali Shah, Alessandra Gianoncelli, Giovanni Ribaudo
  • Molecular Biology
  • Molecular Medicine
  • General Chemistry
  • Biochemistry
  • General Medicine
  • Bioengineering

Pistacia chinensis subsp. integerrima (J.L. Stewart) Rech. f. is a plant known for its therapeutic applications in traditional medicine, which are related to its antimicrobial, anticancer, antioxidant, anti‐inflammatory, analgesic, antidiarrheal, and muscle relaxant properties. The galls of P. chinensis are rich in triterpenes and flavonoids, and we here report the extraction of pistagremic acid (1), apigenin (2) and sakuranetin (3) from this source. The isolated compounds were tested against Aspergillus flavus, Candida albicans, Candida glabrata, Fusarium solani, Microsporum canis and Trichoderma longibrachiatum. The results highlighted the antimicrobial activity of flavonoids 2 and 3, suggesting that this class of molecules may be responsible for the effect related to the traditional use. On the other hand, when the compounds and the extract were tested for their antiproliferative activity on a panel of 4 human cancer cell lines, the triterpene pistagremic acid (1) showed a higher potential, thus demonstrating a different bioactivity profile. Structure‐based docking and molecular dynamics simulations were used to help the interpretation of experimental results. Taken together, the here reported findings pave the way for the rationalization of the use of P. chinensis extracts, highlighting the contributions of the different components of galls to the observed bioactivity.

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