Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)
- Volume 10 Issue 2
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- Pages.41-47
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- 1993
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- 1225-9098(pISSN)
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- 2288-1069(eISSN)
DOI QR Code
Synthesis of CM-Chitin from Crab Shells
게껍질로부터 CM-Chitin의 합성
- Ahn, C.I. (National Industrial Technology Institute) ;
- Kim, S.H. (National Industrial Technology Institute) ;
- Yoo, Y.J. (National Industrial Technology Institute) ;
- Park, C.H. (National Industrial Technology Institute) ;
- Lim, H.S. (Kum Ho Chemicals Co.) ;
- Park, C.K. (Kum Ho Chemicals Co.) ;
- Park, E.K. (Myung-Ji University)
- 안종일 (국립공업기술원) ;
- 김승환 (국립공업기술원) ;
- 유영진 (국립공업기술원) ;
- 박창호 (국립공업기술원) ;
- 임헌선 ((주) 금호화성) ;
- 박찬구 ((주) 금호화성) ;
- 박은경 (명지대학교)
- Published : 1993.11.30
Abstract
Chitin was isolated from crab shells by modified Hackman's method, which was treated again with aqueous sodium hydroxide solution to give alkali chitin(sodium alkoxide of chitin). And after, the alkali chitin is allowed to react with monochloroacetic acid to synthesize 6-O-(carboxymethyl) chitin [CM-Chitin] under diminished pressure. In order to synthesize high performance CM-Chitin as hygroscopic agent, it was measured that the yield and degree of subsititution of each CM-Chitin according to molar ratio(monochloroacetic acid equivalent mol/N-acetyl-D-glucosamine residue) and their moisture-absorption and moisture-release properties were measured and compared with those of hyaluronic acid. The moisture-absorption and moisture-release properties of CM-Chitin, especially 0.8 in degree of substitution, were found quite similar to those of hyaluronic acid. The preliminary results show that CM-Chitin might be used as hygroscopic agent instead of hyaluronic acid in field of cosmetics.
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