Radical scavenging-linked anti-adipogenic activity of Alnus firma extracts

The purpose of the present study was to investigate the antioxidant activity and anti-adipogenic effect of extracts from Alnus firma (A. firma), which is an edible plant that grows in mountainous areas. The total phenolic, flavonoid and anthocyanin content as well as the antioxidant activity of a 70...

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Bibliographic Details
Published in:International journal of molecular medicine 2018-01, Vol.41 (1), p.119-128
Main Authors: Choi, Sun-Il, Lee, Jong Seok, Lee, Sarah, Lee, Jin-Ha, Yang, Hee-Sun, Yeo, Joohong, Kim, Jong-Yea, Lee, Boo-Yong, Kang, Il-Jun, Lee, Ok-Hwan
Format: Article
Language:English
Subjects:
Adipocytes
Alders
Antioxidants
Calibration
Disease
Flavonoids
Gene expression
Health aspects
Lipids
Metabolic disorders
Methods
Obesity
Oxidative stress
Plant extracts
Potassium
Protein expression
Proteins
Reactive oxygen species
Signal transduction
Sodium
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Summary:The purpose of the present study was to investigate the antioxidant activity and anti-adipogenic effect of extracts from Alnus firma (A. firma), which is an edible plant that grows in mountainous areas. The total phenolic, flavonoid and anthocyanin content as well as the antioxidant activity of a 70% ethanolic extract of A. firma (AFE) was assessed. Furthermore, the effects of AFE on lipid accumulation and reactive oxygen species (ROS) production during adipogenesis of 3T3-L1 cells were investigated. The results revealed that the total phenolic, flavonoid and pro-anthocyanidin content of AFE as 436.26[+ or -]3.30 mg gallic acid equivalents/g, 73.82[+ or -]0.54 mg quercetin equivalents/g and 149.25[+ or -]6.06 mg catechin equivalents/g, respectively. In addition, AFE exerted significant antioxidant effects in terms of 1,1-diphenyl-2-picryl hydrazyl radical scavenging activity, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity, reducing power, oxygen radical absorbance capacity and nitric oxide radical scavenging activity. As for its anti-adipogenic activity, AFE significantly inhibited ROS production and lipid accumulation during adipogenesis of 3T3-L1 cells compared with those in control cells. In addition, AFE regulated adipogenic transcription factors including peroxisome proliferator-activated receptor-[gamma], CCAAT/enhance-binding protein [alpha] and adipocyte protein 2. These results indicated that A. firma is a potential candidate for a functional food supplement. Key words: Alnus firma, anti-oxidant assay, anti-adipogenic, 3T3-L1, total phenolic content
ISSN:1107-3756
1791-244X
DOI:10.3892/ijmm.2017.3221