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  • Title: Serine protease inhibition and modulatory-antibiotic activity of the proteic extract and fractions from Amburana cearensis.
    Author: Oliveira MTA, Moura GMM, da Cruz JIO, Lima RVC, Dos Santos EA, Andrade JC, Alencar MVOB, Landim VPA, Coutinho HDM, Uchoa AF.
    Journal: Food Chem Toxicol; 2020 Jan; 135():110946. PubMed ID: 31712106.
    Abstract:
    This study investigated the inhibitory activity of serine protease, as well as antibacterial and antibiotic modifying activities of the crude extract and fractions of A. cearensis seeds. Microdilution assay was used to evaluate the antibacterial activity and the antibiotic resistance-modulating effects of samples against multiresistant bacteria Staphylococcus aureus (SA10) and Escherichia coli (EC06). In the inhibition test for serine protease, all the samples showed inhibition of enzymatic activity. Crude extract and fractions of A. cearensis seeds showed a Minimum Inhibitory Concentration ≥1024 μg/mL for all microorganisms tested. However, the samples acted as resistance modifying agent, presenting synergism when associated with gentamicin, norfloxacin and penicillin. The present study provides data indicating a possible use of the seeds extract of A. cearensis in association with antibiotics in the fight against bacterial infections.
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