发明名称 |
METHOD FOR WASTELESS COMPLEX REPROCESSING OF CHITIN-CONTAINING RAW MATERIAL |
摘要 |
FIELD: food-processing industry. SUBSTANCE: method involves providing enzymic hydrolysis of proteins of chitin- containing raw material with the use of protein-degrading enzyme released from raw crab hepatopancreas or enzyme preparation released therefrom; purifying resultant hydrolyzate solution through combined deposition of lipids and insoluble substances by chitosan; drying purified protein hydrolyzate; producing chitin by providing first deproteinization process at temperature below 20 C; providing deacetylation of chitin with the use of 20-60% sodium hydroxide solution with sodium hydroxide solution and wetted chitin ratio of (20-60):1 at temperature of 95-120 C while periodically mixing, with initial stage of deacetylation process being carried out for 5 min in vacuum under pressure of 0.5-1.0 kg/sq. cm. Method may be used for producing chitin/chitosan and enzymic protein hydrolyzates used as base for microbiological nutrient media. EFFECT: increased efficiency in utilizing crustaceous reprocessing wastes and reduced contamination of sewage water with protein product upon obtaining of chitin. 5 tbl, 4 ex |
申请公布号 |
RU2207033(C2) |
申请公布日期 |
2003.06.27 |
申请号 |
RU20000117616 |
申请日期 |
2000.07.04 |
申请人 |
POLJARNYJ NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT MORSK;OOO NTTS "EHKOBIOTEK-MURMANSK" |
发明人 |
NOVIKOV V.JU.;MUKHIN V.A.;CHILINGARJAN G.G. |
分类号 |
A23L17/40;A23J1/04;A23J3/00;C08B37/08 |
主分类号 |
A23L17/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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