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KMID : 1134820080370060684
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Journal of the Korean Society of Food Science and Nutrition
2008 Volume.37 No. 6 p.684 ~ p.690
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Antioxidative and Biological Activity of Hot Water and Ethanol Extracts from Phellinus linteus
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Kim Jung-Ok
Jung Mee-Jung
Choi Hyang-Ja
Lee Jin-Tae
Lim Ae-Kyoung
Hong Joo-Heon
Kim Dae-Ik
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Abstract
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To investigate the applicability of hot water extract (PLW) and ethanol extract (PLE) from Phellinus linteus as functional food and cosmeceutical materials, its total flavonoids content, total phenolics content, electron donating ability (EDA), nitrite-scavenging ability (NSA), SOD-like activity, inhibitory effect of tyrosinase and elastase were examined. Total flavonoids contents of PLW and PLE were 17.31 ㎎/g and 42.61 ㎎/g, respectively, and total phenolics contents were estimated as 149.92 ㎎/g for PLW and 432.42 ㎎/g for PLE. The EDA of PLW and PLE were 6.49～92.98% and 22.61～94.28%. The EDA and total phenolics contents had a high correlation of 0.83. The NSA was pH dependent, and was highest at pH 1.2 and lowest at pH 6.0. The NSA of PLE was higher than that of PLW. The SOD-like activities of PLW and PLE were 14.36～35.21% and 17.27～81.84%, respectively, and the activity was dependent on the sample concentration. The tyrosinase inhibitory activity was the highest in PLE (10.51～80.93%) while that of PLW was 4.77～43.69%. Finally, the elastase inhibitory activity was 10.01～76.02% at PLE. Based on the above results, we deemed that the ethanol extract of Phellinus linteus was the most pertinent for use as functional food and cosmeceutical materials.
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KEYWORD
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Phellinus linteus, antioxidative activity, tyrosinase inhibition, elastase inhibition
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