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KMID : 0613820220320040290
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Journal of Life Science
2022 Volume.32 No. 4 p.290 ~ p.297
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The Antioxidant, Alcohol Metabolizing Enzyme, and Hepatoprotective Activities of Dendropanax morbifera Vinegar with Traditional Fermentation Methods
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Jung Kyung-Im
Jung Han-Nah
Choi Young-Ju
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Abstract
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This study was performed to investigate the organic acids, alcohol metabolism enzyme, and antioxidative, nitrite-scavenging, and hepatoprotective effects of Dendropanax morbifera vinegar prepared by a traditional fermentation method. Among the organic acids detected, acetic acid was the highest found, at 91.72 mg/ml, followed by lactic acid (7.31 mg/ml), malic acid (1.36 mg/ml), and succinic acid (1.20 mg/ml). The total polyphenol content of the D. morbifera vinegar was 13.73 ㎍ tannic acid equivalent (TAE)/ml. The 1,1-Diphenyl-2-picrylhydrazy (DPPH) radical scavenging activity of D. morbifera vinegar was 76.04% at a 60% concentration. The superoxide dismutase (SOD) activity of D. morbifera vinegar was increased in a dose-dependent manner, which was 95.14% at a 60% concentration, while the α-glucosidase inhibitory activity of D. morbifera vinegar was 98.94% at a 10% concentration. The effects of D. morbifera vinegar on alcohol metabolism were determined by measuring the generation of reduced nicotinamide adenine dinucleotide (NADH) by alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH). The ADH and ALDH activities of D. morbifera vinegar were increased in a dose-dependent manner, 43.62% and 60.39% at a 60% concentration, respectively. The D. morbifera vinegar showed significant protective effects against tacrine-induced cytotoxicity in HepG2 cells at the 0.6% concentration. These results suggest that D. morbifera vinegar has great potential as a resource for high quality functional health beverages.
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KEYWORD
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Alcohol dehydrogenase, antioxidant, Dandropanax morbifera, hepatoprotective, vinegar
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