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KMID : 1024520160250050645
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Journal of the Environmental Sciences
2016 Volume.25 No. 5 p.645 ~ p.654
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A Study on Development of High Functional Materials Producing Technique using By-products from Skate Processing (1) - Development of Chondroitin Sulfate Materials using Skate Cartilages
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Baek Jang-Mi
Kang Keon-Hee
Kim Sang-Ho
Noh Jeong-Sook
Jeong Kap-Seop
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Abstract
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For the purpose of reuse the wasted by-products from the skate process to the health functional food or medicinal material,chondroitin sulfate was extracted from the skate cartilage with the method of hydrolysis with protease enzyme, and the contents of chondroitin sulfate and hydrolyzed protein were measured qualitatively and quantitatively. The effects of chondroitin sulfate on body weight or liver weight changes, hepatotoxicity elimination and anti-inflammatory actions were measured from in vivo test with feed-treated mice. From the hydrolytic extraction of skate cartilage with the mixture of 1% alcalase and 1% protease for 4 hours, the extraction yield of chondroitin sulfate was about 32.55%. The content and molecular weight of chondroitin sulfate was 26.63% and 2.85×105
Da., respectively and the content ratio of chondroitin sulfate to protein was measured to 1 to 2.76 with gel permeation chromatography. For the odor component, trimethylamine decreased about 30% but almost not ammonia from chondroitin sulfate with the treatment of activated carbon. From the feeding chondroitin
sulfate to mice, the control effect of body and liver weights decrease was measured, anti-inflammatory action and
hepatotoxicity elimination action were also measured. From these results, process operation conditions for manufacturing of chondroitin sulfate were suggested.
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KEYWORD
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Skate cartilage, Chondroitin sulfate, Skate processing by-product, Nutraceutical food, Anti-inflammatory action
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