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  • Title: Acethylcholinesterase inhibitory potential and antioxidant properties of pyrogallol.
    Author: Ozturk Sarikaya SB.
    Journal: J Enzyme Inhib Med Chem; 2015; 30(5):761-6. PubMed ID: 25297710.
    Abstract:
    Pyrogallol is found naturally in crops and fruits of many plants. It is also an active ingredient of many pharmaceuticals. For this reason, we employed different in vitro antioxidant assays such as cupric ion Cu(2+) reducing power, Fe(3+) reducing power, total antioxidant activity by ferric thiocyanate method, ABTS radical scavenging, DMPD radical scavenging, DPPH • scavenging, Fe(2+) chelating, [Formula: see text] scavenging and H(2)O(2) scavenging activities of pyrogallol. Pyrogallol inhibited 77.95% lipid peroxidation of linoleic acid emulsion at 30 μg/mL concentration. BHA, BHT, α-tocopherol and trolox exhibited inhibitions of 89.88, 89.97, 83.82 and 91.85% against peroxidation of linoleic acid emulsion at the same concentration, respectively. In addition, pyrogallol was an effective of all the scavenging and reducing power results. In this study, pyrogallol was also evaluated as potential inhibitor for acethycholinesterse enzyme. The results showed that pyrogallol exhibited potent acetylcholinesteras inhibitory activity with IC(50) and K(I) values 10.2 and 8.6 μM, respectively.
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