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KMID : 1134820080370121548
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Journal of the Korean Society of Food Science and Nutrition
2008 Volume.37 No. 12 p.1548 ~ p.1563
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Functional Properties of Hydrolysates Prepared from Agar Treated with Organic Acids
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Joo Dong-Sik
Lee Chang-Ho
Cho Soon-Yeong
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Abstract
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This study was concerning various physiological activities of agar hydrolysates. All agar hydrolysates showed strong antimicrobial activity against Bacillus subtilis and Bacillus cereus. Also, the agar hydrolysates prepared at the temperature of 110oC or 120oC showed antimicrobial activity against St. aureus and E. coli. Among the agar hydrolysates, several hydrolysates treated with citrate or malate at 110oC or 120oC conditions showed tyrosinase activity inhibition, and their inhibition rates of tyrosinase activity were about 80%. Some tested samples treated with 0.5% organic acid at 100oC or 110oC inhibited the growth of cancer cell. Two agar hydrolysates prepared with 0.5% citrate and lactate at 110oC for 180 min had relatively high cancer cell growth inhibition among the tested samples. The agar hydrolysates treated with citrate and lactate at 110oC for 180 min obtained the main peaks of six and seven from Sephadex G-15 column chromatography. Among the main peaks, the cancer cell growth inhibition of C-3 and L-3 fractions were higher than that of other fractions.
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KEYWORD
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agar hydrolysates, antimicrobial activity, physiological activity, agar, cell growth inhibition
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