FIELD: biotechnology.
SUBSTANCE: method involves washing out depilated hides in aqueous medium at temperature 30°C, enzymatic treatment with protepsin aqueous solution in the concentration 0.5 g/l for 8 h at temperature 35°C and pH value of solution 4. Method provides preparing protein hydrolyzate of molecular mass about 213000 Da and the protein content in hydrolyzate 98%.
EFFECT: improved preparing method.
2 tbl, 4 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PREPARATION OF RAW WASTE OF LEATHERMAKING UP TO DILUTION | 2006 |
|
RU2323948C1 |
| PROCESS OF LEATHER INDUSTRY FEED WASTE PRETREATMENT FOR DISSOLUTION | 2006 |
|
RU2328508C1 |
| METHOD OF PREPARING PROTEIN HYDROLYZATE FROM SOLID CHROMIUM-CONTAINING LEATHER MANUFACTURE WASTE | 2003 |
|
RU2249047C2 |
| METHOD FOR PROCESSING CATTLE HIDES TO OBTAIN COLLAGEN-CONTAINING FOOD-PURPOSE MATERIAL | 2022 |
|
RU2795059C1 |
| METHOD FOR PRODUCTION OF COLLAGEN PROTEIN FROM LEATHER PRODUCTION PRODUCTS | 2015 |
|
RU2588440C1 |
| METHOD FOR PRODUCTION OF COLLAGEN PROTEIN FROM ANIMAL RAW MATERIALS, COLLAGEN PRODUCTS AND METHODS FOR USE THEREOF | 2015 |
|
RU2609635C1 |
| PROCESS FOR PRODUCING HYDROLYZATE FROM CATTLE HIDE SPLIT | 1992 |
|
RU2017431C1 |
| POWDERED COLLAGEN MATERIAL AND METHOD FOR PRODUCTION THEREOF | 2023 |
|
RU2820352C1 |
| METHOD FOR PRODUCING A PROTEIN-CONTAINING FOOD INGREDIENT | 2022 |
|
RU2791452C1 |
| METHOD OF PREPARING COLLAGEN-CONTAINING RAW MATERIAL FOR PRODUCTION OF SAUSAGE CASING | 1995 |
|
RU2096966C1 |
