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Radical Scavenging and Antimicrobial Properties of Polyphenol Rich Waste Wood Extracts

Overview
Journal Foods
Specialty Biotechnology
Date 2020 Mar 14
PMID 32164204
Citations 9
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Abstract

The main focus of this study is to assess radical scavenging and antimicrobial activities of the 11 wood extracts: oak ( (Matt.) Liebl. L., and L.), mulberry ( L.), myrobalan plum ( Ehrh.), black locust ( L.), and wild cherry ( L.). High-performance thin-layer chromatography (HPTLC) provided initial phenolic screening and revealed different chemical patterns among investigated wood extracts. To identify individual compounds with radical scavenging activity DPPH-HPTLC, assay was applied. Gallic acid, ferulic and/or caffeic acids were identified as the compounds with the highest contribution of total radical scavenging activity. Principal component analysis was applied on the data set obtained from HPTLC chromatogram to classify samples based on chemical fingerprints: spp. formed separate clusters from the other wood samples. The wood extracts were evaluated for their antimicrobial activity against eight representative human and opportunistic pathogens. The lowest minimum inhibitory concentration (MIC) was recorded against for black locust, cherry and mulberry wood extracts. This work provided simple, low-cost and high-throughput screening of phenolic compounds and assessments of the radical scavenging properties of selected individual metabolites from natural matrix that contributed to scavenge free radicals.

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