FIELD: medicine. SUBSTANCE: chitin is used as reagent 1, sulfuric acid being used as reagent 2. Reaction is carried out within 20-120 min at 40-50 C by treatment with water, volume ratio of water and sulfuric acid being 20-25: 1. Then neutralization by calcium-containing compounds takes place. Water-soluble oligosaccharides represent desired product. EFFECT: improves efficiency of method. 2 dwg, 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD OF PREPARING BIOLOGICALLY ACTIVE PREPARATION FROM CHITIN | 1994 |
|
RU2118640C1 |
METHOD OF OBTAINING WATER-SOLUBLE OLIGOSACCHARIDES | 0 |
|
SU1571047A1 |
PROCESS FOR PURIFYING PRODUCTS OF CELLULOSE HYDROLYSIS | 0 |
|
SU952960A1 |
METHOD FOR PREPARING LIQUID ORGANOMINERAL FERTILIZER FROM CHITOSAN-CONTAINING RAW | 2003 |
|
RU2255924C1 |
PROCESS FOR PREPARING WATER-SOLUBLE OLIGOSACCHARIDES | 1997 |
|
RU2126012C1 |
METHOD TO PRODUCE WATER-SOLUBLE OLIGOMER HOMOLOGS OF CHITOSANS IN HETEROGENEOUS SYSTEM | 2011 |
|
RU2479590C1 |
METHOD FOR PRODUCING LOW-MOLECULAR CHITOSAN AND CHITOSAN OLIGOMERS | 2016 |
|
RU2627870C1 |
CHITIN OR CHITOSAN OLIGOMER AND A METHOD OF ITS SYNTHESIS | 1990 |
|
RU2057760C1 |
METHOD FOR PRODUCING CHITOSAN OLIGOMERS | 2011 |
|
RU2445101C1 |
METHOD FOR PRODUCING LOW-MOLECULAR CHITOSAN | 2010 |
|
RU2417088C1 |
Authors
Dates
1996-04-10—Published
1993-04-23—Filed