A kind of preparation method of high glue melting temperature fish scale gelatin
A fish scale gelatin and high gelatin melting technology, which is applied in the field of aquatic product processing, can solve the problems of high gelatin melting temperature of fish scale gelatin, achieve high gelatin melting temperature, improve purity, and improve the extraction rate
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Embodiment 1
[0019] 1. Treatment of fish scales: Remove impurities in fish scales, such as fish gills, fish viscera, fish fins, etc., and rinse with clean water 4-6 times. Stir intermittently for 1-2 minutes with a tissue masher to remove fish silver, and rinse with water until the surface of fish scales is clean;
[0020] 2. Low-acid decalcification: mix the fish scales in step 1 with hydrochloric acid with a concentration of 0.5MoL / L at a material-to-liquid ratio of 1:15 (g / mL) for decalcification. During the decalcification period, it needs to be stirred 5-7 times every 20 minutes, and the decalcification time is about 1 hour. After decalcification, rinse with water and the pH is about 6.0;
[0021] 3. Fish scale gelatin extraction: Mix the fish scales in step 2 with water at a material-to-liquid ratio of 1:3 (g / mL). Place in an ultrasonic-microwave instrument (XH-300A, Beijing Xianghu) with a power of 800w to extract for 2h;
[0022] 4. Centrifugation: centrifuge the gelatin mixture...
Embodiment 2
[0028] 1. Treatment of fish scales: Remove impurities in fish scales, such as fish gills, fish viscera, fish fins, etc., and rinse with clean water 4-6 times. Stir intermittently for 1-2 minutes with a tissue masher to remove fish silver, and rinse with water until the surface of fish scales is clean;
[0029] 2. Low-acid decalcification: mix the fish scales in step 1 with hydrochloric acid with a concentration of 0.4MoL / L at a material-to-liquid ratio of 1:15 (g / mL) for decalcification. During the decalcification period, it needs to be stirred 5-7 times every 20 minutes, and the decalcification time is about 1 hour. After decalcification, rinse with water and the pH is about 6.0;
[0030] 3. Fish scale gelatin extraction: Mix the fish scales in step 2 with water at a material-to-liquid ratio of 1:3 (g / mL). Place in an ultrasonic-microwave instrument (XH-300A, Beijing Xianghu) with a power of 600w to extract for 2h;
[0031] 4. Centrifugation: centrifuge the gelatin mixture...
Embodiment 3
[0037] 1. Treatment of fish scales: Remove impurities in fish scales, such as fish gills, fish viscera, fish fins, etc., and rinse with clean water 4-6 times. Stir intermittently for 1-2 minutes with a tissue masher to remove fish silver, and rinse with water until the surface of fish scales is clean;
[0038] 2. Low-acid decalcification: Mix the fish scales in step 1 with hydrochloric acid with a concentration of 0.3MoL / L at a material-to-liquid ratio of 1:15 (g / mL) for decalcification. During the decalcification period, it needs to be stirred 5-7 times every 20 minutes, and the decalcification time is about 1 hour. After decalcification, rinse with water and the pH is about 6.0;
[0039] 3. Fish scale gelatin extraction: Mix the fish scales in step 2 with water at a material-to-liquid ratio of 1:3 (g / mL). Place in an ultrasonic-microwave instrument (XH-300A, Beijing Xianghu) with a power of 400w to extract for 2h;
[0040] 4. Centrifugation: centrifuge the gelatin mixture...
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