SU56549A1 - The method of obtaining softener for leather production - Google Patents
The method of obtaining softener for leather productionInfo
- Publication number
- SU56549A1 SU56549A1 SU56549A1 SU 56549 A1 SU56549 A1 SU 56549A1 SU 56549 A1 SU56549 A1 SU 56549A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- softener
- obtaining
- leather production
- crushed
- viscera
- Prior art date
Links
- 239000010985 leather Substances 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 3
- 206010057248 Cell death Diseases 0.000 description 4
- 210000001835 Viscera Anatomy 0.000 description 4
- 230000018867 autolysis Effects 0.000 description 4
- 230000028043 self proteolysis Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 210000001035 Gastrointestinal Tract Anatomy 0.000 description 2
- 230000002421 anti-septic Effects 0.000 description 2
- 239000005018 casein Substances 0.000 description 2
- 235000021240 caseins Nutrition 0.000 description 2
- 230000002255 enzymatic Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229940110715 ENZYMES FOR TREATMENT OF WOUNDS AND ULCERS Drugs 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000035443 Peptidases Human genes 0.000 description 1
- 108091005771 Peptidases Proteins 0.000 description 1
- 229940024999 Proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Description
В насто щее врем ферментативный препарат дл м гчени голь вырабатываетс из пищеварительного тракта рыб по следующему способу .At present, an enzymatic softening agent for the mole is produced from the digestive tract of fish in the following way.
Внутренности измельчаютс , помещаютс в чан и заливаютс водой 85-90° с таким расчетом, чтобы температура смеси воды и внутренностей была 35-40°; при этих услови х внутренности подвергаютс автолизу дл отделени жира.The entrails are crushed, placed in a vat and poured with water at 85-90 ° so that the temperature of the mixture of water and viscera is 35-40 °; under these conditions, the viscera undergoes autolysis to separate the fat.
По окончании этого процесса жир счерпываетс , а жидка масса смещиваетс с древесными опилками и высушиваетс . По этому способу получаетс препарат с ферментативной активностью, примерно около 1000 казеиновых единиц или, другими словами , с низким содержанием ферментов в единице веса препарата.At the end of this process, the fat is scooped up, and the liquid mass is shifted with sawdust and dried. By this method, a preparation with enzymatic activity is obtained, about 1000 casein units or, in other words, with a low content of enzymes per unit weight of the preparation.
По предлагаемому способу можно получить препарат с активностью свыше 6000 казеиновых единиц, т. е. высококонцентрированный.According to the proposed method, it is possible to obtain a preparation with an activity of more than 6,000 casein units, i.e. highly concentrated.
Дл этого внутренности измельчаютс (мацерируютс ) на коллоидной мельнице или иным механическимFor this, the insides are crushed (macerated) in a colloid mill or other mechanical
путем и подвергаютс автолизу при40° в присутствии какого-либо антисептика при рН 7,5-8,5, что достигаетс обработкой измельченных внутренностей аммиаком или другой щелочью. После автолиза жир счерпываетс , а оставша с жидкость, содержаща протеолитические ферменты и белковые вещества, высушиваетс распылением или упариваетс в вакуум-аппарате при 40°, после чего смешиваетс с древесными опилками и высушиваетс подогретым воздухом.by and undergoing autolysis at 40 ° in the presence of any antiseptic at pH 7.5-8.5, which is achieved by treating the crushed viscera with ammonia or another alkali. After autolysis, the fat is scooped, and the remaining liquid, containing proteolytic enzymes and proteinaceous substances, is spray dried or evaporated in a vacuum apparatus at 40 °, after which it is mixed with sawdust and dried with heated air.
Предмет изобретени .The subject matter of the invention.
Способ получени м гчител дл кожевенного производства из внутренностей рыб, например, из пищеварительного тракта, путем предварительного измельчени их и последующего автолаза в присутствии антисептика, отличающийс тем, чтоавтолиз измельченных внутренностей производ т при рН 7,5-8,5, после чего из продуктов автолиза выдел ют м гчитель известными приемами.A method for producing a leather softener for leather production from fish viscera, for example, from the digestive tract, by pre-grinding them and subsequent autolase in the presence of an antiseptic, characterized in that the crushed guts are autotrolled at pH 7.5-8.5, after which the products autolysis an emollient is isolated by known methods.
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