FIELD: agriculture, medicine, textile, pulpa and-paper, and food industries. SUBSTANCE: chitan of cuticle shells is ground to particle size of 0.2-0.3 mm, treated with 40% caustic alkali solution at 100-110 C and liquid modulus of 1:20 for 3- 3.5 h and is simultaneously subjected to ultrasound treatment at frequency of 15-35 kHz. EFFECT: more efficient preparation process.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARING CHITIN AND METHOD OF PREPARING CHITOSAN | 1999 |
|
RU2139887C1 |
| CHITOSAN PRODUCTION METHOD | 2016 |
|
RU2615636C1 |
| METHOD FOR MAKING CHITOSAN-MELANIN COMPLEX OF DEAD BEES | 2008 |
|
RU2382051C1 |
| METHOD FOR OBTAINING CHITOSAN FROM FLY BLACK LION HERMETIA ILLUCENS | 2021 |
|
RU2763174C1 |
| METHOD OF PRODUCING CHITOSAN | 2012 |
|
RU2539933C2 |
| NATURAL COMPOSITION OF BIOLOGICALLY ACTIVE SUBSTANCES OF SHELL WASTES OF SPECIFIED DEVELOPMENT CYCLE PRAWN; ITS PRODUCTION AND USAGE | 2009 |
|
RU2497411C2 |
| METHOD OF OBTAINING THE NATURAL BIOPOLIMER OF APIZANE AND ITS APPLICATION FOR ACTIVATION OF CULTURES OF ANIMAL CELLS IN VITRO DURING VIRUS REPRODUCTION | 2016 |
|
RU2649360C1 |
| METHOD OF CHITOSAN PRODUCTION FROM CHITINE | 2007 |
|
RU2358553C2 |
| NATURAL COMPOSITION OF BIOLOGICALLY ACTIVE SUBSTANCES OF SHELL WASTES OF SPECIFIED DEVELOPMENT CYCLE PRAWN; ITS PRODUCTION AND USAGE (VERSIONS) | 2010 |
|
RU2477616C2 |
| METHOD OF OBTAINING WATER-INSOLUTE MELANIN FROM BLACK FLOW HERMETIA ILLUCENS | 2023 |
|
RU2807887C1 |
