Preparation of collagen base biological medical material
A biomedical material, collagen technology, applied in the field of preparation of biomedical materials, can solve the problems of non-scale production, poor stability, limited use, etc., and achieve the effects of strong degradation resistance, high thermal stability, and good market prospects
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Embodiment 1
[0033] (1) Pretreatment of raw materials
[0034] Take 100 parts of fresh animal skin and wash it with deionized water to remove surface fat, muscle and oil film, add 100 parts of deionized water, heat up to 30°C, add 1.8 parts of soda ash, 1.5 parts of edible oil cleaning agent, AS1.398 protease 0.15 parts, keep warm and stir for 120 minutes, remove hair, skin and grease, and then wash with deionized water for later use.
[0035] Take 100 parts of fresh animal tendons and wash them to remove surface fat, muscle and fascia, add 100 parts of deionized water, heat up to 15°C, add 1.0 parts of soda ash, 0.5 parts of edible oil cleaning agent, keep warm and stir for 120 minutes to remove grease , and then rinsed with deionized water for later use.
[0036] (2) Preparation of natural collagen fiber gel
[0037] Take 100 parts of treated animal skin or tendon, add 300 parts of deionized water, add acid to adjust the pH value to 2.5, treat at 35°C for 10 hours, and then mince or ma...
Embodiment 2
[0043] (1) Pretreatment of raw materials
[0044] Take 100 parts of fresh animal skin and wash it with deionized water to remove surface fat, muscle and oil film, add 200 parts of deionized water, heat up to 40 ° C, add 0.3 parts of soda ash, 2.0 parts of edible oil cleaning agent, AS1.398 protease 0.4 parts, keep warm and stir for 60 minutes, remove hair, skin and grease, and then wash with deionized water for later use.
[0045] Take 100 parts of fresh animal tendon and wash to remove surface fat, muscle and fascia, add 200 parts of deionized water, heat up to 35°C, add 0.3 part of soda ash, 1.0 part of edible oil cleaning agent, keep warm and stir for 60 minutes, remove Grease, and then rinse with deionized water for later use.
[0046] (2) Preparation of natural collagen fiber gel
[0047] Take 100 parts of pretreated animal skin or tendon, add 1000 parts of deionized water, adjust the pH value to 1.5 with acid, treat it at a temperature of 10°C for 10 hours, then mince ...
Embodiment 3
[0053] (1) Pretreatment of raw materials
[0054] Take 100 parts of fresh animal skin and wash it with deionized water to remove surface fat, muscle and oil film, add 1 to 2 times of deionized water, raise the temperature to 35°C, add 1.0 parts of soda ash, 1.5 parts of edible oil cleaning agent, AS1. 0.3 parts of 398 protease, keep warm and stir for 90 minutes, remove hair, skin and grease, and then wash with deionized water for later use.
[0055] Take 100 parts of fresh animal tendons and wash them to remove surface fat, muscle and fascia, add 1 to 2 times deionized water, heat up to 25°C, add 0.7 parts of soda ash, 0.8 parts of edible oil cleaning agent, keep warm and stir for 80 minutes, Remove grease, then rinse with deionized water for later use.
[0056] (2) Preparation of natural collagen fiber gel
[0057] Take 100 parts of treated animal skin or tendon, add 7 times of deionized water, add an appropriate amount of acid to control the pH value to 2.0, treat at 20°C ...
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