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INHIBITION OF 3-HYDROXY-3-METHYLGLUTARYL-COENZYME A REDUCTASE ACTIVITY BY EXTRACTS OF GARCINIA XANTHOCHYMUS MESOCARP AND TOTAL FLAVONOID ASSAY QUANTIFICATION OF THE MOST ACTIVE EXTRACT
Author(s) -
Megawati Megawati,
Berna Elya,
Nuraini Puspitasari
Publication year - 2018
Publication title -
international journal of applied pharmaceutics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.238
H-Index - 15
ISSN - 0975-7058
DOI - 10.22159/ijap.2018.v10s1.59
Subject(s) - ethyl acetate , flavonoid , chemistry , quercetin , coenzyme a , reductase , phytochemical , ic50 , methanol , biochemistry , terpenoid , chromatography , enzyme , in vitro , organic chemistry , antioxidant
Objective: This study aims to determine the inhibitory activity of Garcinia xanthochymus mesocarp extracts against 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase.Methods: G. xanthochymus mesocarp was macerated sequentially using n-hexane, ethyl acetate, and methanol. Phytochemical screening andquantification of total flavonoids were performed on the most active extract.Results: Based on the tests, n-hexane, ethyl acetate, and methanol extracts had inhibitory activities of 12.30±1.098%, 55.63±10.584%, and44.01±1.053%, respectively. The results showed that the ethyl acetate is the most active extract, containing flavonoid, terpenoid, glycoside, andanthraquinone compounds. The amount of total flavonoid contained in ethyl acetate extract was 1.61% or 16.114 mg QE/g toward quercetin.Conclusion: The n-hexane, ethyl acetate, and methanol extracts of G. xanthochymus have inhibitory actions against HMG-CoA reductase activityin vitro. Further research is still needed to strengthen this finding.

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