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KMID : 1101420150470040194
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Korean Journal of Clinical Laboratory Science
2015 Volume.47 No. 4 p.194 ~ p.202
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Antioxidant, Anti-diabetic, Anti-cholinesterase, and Nitric Oxide Inhibitory Activities of Fruiting Bodies of Agaricus brasiliensis
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Yoon Ki-Nam
Jang Hyung-Seok
Jin Ga-Heon
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Abstract
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Agaricus brasiliensis, belonging to the family Agaricaceae of Agaricales, Basidiomycota, has been used for edible and medicinal purposes. This study was initiated to evaluate the antioxidant, anti-diabetic, and nitric oxide inhibitory activities of fruiting bodies of A. brasiliensis extracted with methanol. The HPLC analysis of phenolic compounds from the mushroom extracts identified 10 phenolic compounds including gallic acid, procatechuic acid, chlorogenic acid, (?)-epicatechin, vanillin, rutin hydrate, naringin, quercetin, formononetin, and biochanin-A. The free radical scavenging activities of methanol extract were lower than that of positive control, BHT. The chelating effects of methanol extract were significantly higher than those of the positive control, BHT at the all concentrations tested. The methanol extract exhibited the lower reducing power activities compared with the positive control at the 0.5∼6.0 mg/mL concentration. The mushroom extract inhibited the α-glucosidase activity by 54.48% and 78.43% at the 1.0 and 2.0 mg/mL while acarbose, the positive control, inhibited the α-glucosidase activity by 51.77% and 81.81% at the same concentrations, respectively. Nitric oxide (NO) production in lipopolysaccahride (LPS) induced RAW 264.7 cells were inhibited by the methanol extracts in a concentration dependent manner. Therefore, it is concluded that fruiting bodies of A. brasiliensis contained natural antioxidant, anti-diabetic, and anti-inflammatory substances which can be useful for human health.
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KEYWORD
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Agaricus brasiliens, Anti-diabetes, Anti-inflammation, Antioxidant
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