Journal
FOOD BIOSCIENCE
Volume 36, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fbio.2020.100616
Keywords
Acacia tortilis; Phenolic compounds; Cytotoxicity; Anti-inflammatory; Antimicrobial; Molecular docking
Categories
Funding
- Foundation for Science and Technology (FCT, Portugal) through national funds FCT/MCTES [UIDB/00690/2020]
- FCT, P.I.
- FEDER-Interreg EspanaPortugal programme [0377_Iberphenol_6_E]
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To evaluate the phenolic profile and biological activity of the Algerian Sahara plant Acacia tortilis (Forssk.) Hayne ssp. raddiana decoction and 80% ethanolic extracts were studied. Chromatographic profiling indicated the presence of 36 phenolic compounds, including gallic acid esterified derivatives, galloylquinic derivatives and flavan-3-ols galloyl derivatives. Both extracts showed significant cytotoxic activity and a potent anti-in-flammatory activity. They were effective against several multi-drug resistant bacteria, namely methicillin-re-sistant Staphylococcus aureus (MRSA). To understand the possible mechanism of action of MRSA inhibition ac-tivity, an in silico docking analysis was done using a virtual library of the 36 determined phenolic compounds against penicillin-binding protein (PBP2a), a protein known to be involved in MRSA resistance to beta-lactam antibiotics. A. tortilis extracts showed interesting biological activities and the phenolic compounds found could be an interesting starting point for the development of cytotoxic and anti-inflammatory drugs and especially anti-MRSA antibiotics.
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