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KMID : 0382320060260020048
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Environmental Mutagens and Carcinogens
2006 Volume.26 No. 2 p.48 ~ p.52
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Antioxidant and Antimicrobial Activities of Seaweed, Ulva lactuca
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Kim In-Hae
Lee Jae-Hwa
Ha Bae-Jin
Jang Jeong-Su
Ha Jong-Myung
Lee Sang-Hyeon
Lee Hee-Hyun
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Abstract
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Our investigation of the seaweed extracts, Ulva lactuca. The biological activities antioxidant, antimicrobial activity, antifungal and haemolytic activity of ethy-ether and ethyl-acetate extracts from the seaweed, Ulva lactuca were investigated. They were separately extracted using ethyl-ether and ethyl-acetate from dried samples at room temperature and freeze dried. Seaweed extracts were found to cause significant free radical scavenging effects on DPPH (1,1-diphenyl-2-picrylhydrazyl). Seaweed extracts had not significant haemolytic activity against human erythrocyte. This extracts exhibited in vitro broad-spectrum antimicrobial activity of gram-negative, gram-positive bacteria and without antifungal activity.
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KEYWORD
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Ulva lactuca, ethyl-acetate, DPPH (1, 1-diphenyl-2-picrylhydrazyl), haemolytic activity
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