Middle and small diameter collagen protein casing and preparation thereof
A collagen, small and medium caliber technology, applied in sausage casings, slaughtering, food science, etc., can solve the problems of insufficient viscosity, high collagen moisture, high damage rate, etc., to achieve improved film formation, good mechanical strength, and improved adhesion Effect
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Embodiment 1
[0031] Example 1 Preparation of Φ13-20mm caliber casing:
[0032] Take 100kg of untanned cow split skin and put it into the pool, wash it with running water, remove the meat network, and divide it into 10±5cm 2 Skin pieces, marinate with 200kg of lime milk for 2 days, wash with water, add water equal to the weight of the cowhide, add 500g of trypsin, treat at 28°C for 3 hours, clean and put into 0.1N hydrochloric acid solution for acidification, 6 After 1 hour, when the skin becomes translucent, wash it with clean water 3 times, and then send it to the cold storage to cool down to a material temperature below 5°C, grind it into pieces with a meat grinder, and then grind it with a grinder and press it into pieces. Flakes, high-pressure filtration to extract fiber repeatedly, then pour into a blender, while stirring, add 1000g edible cellulose, 4000g oil emulsion, control water content at 92±2%, pH at 2.8±0.2, fully mix to form a collagen group , and stored in a cold storage af...
Embodiment 2
[0036] Example 2 Preparation of Φ20-25mm caliber casing:
[0037] Take 100kg of untanned cow split hide and put it into the pool, wash it with running water, remove the meat network, and divide it into 15±5cm 2Pickle the skin with 180kg of lime milk for 1 day, add 100kg of water and 2000g of pepsin after cleaning, treat it at 30°C for 6 hours, put it into 0.5N lactic acid solution for acidification after cleaning, and wait for the skin to become translucent shape, washed with water, sent to the cold storage to cool the material temperature below 5°C, chopped and mixed into lumps with a chopping machine, pressed into thin slices by a roller compactor, filtered under high pressure to extract filamentous fibers, and then poured into a blender while stirring , while adding 3000g edible cellulose nitrate, 1200g oil emulsion, control the water content at 90 ± 2%, pH at 3.2 ± 0.2, fully mix to form a collagen group, and store in a cold storage after high-pressure filtration. The pre...
Embodiment 3
[0041] Example 3 Preparation of Φ26-32mm caliber casing:
[0042] Take 100kg of untanned cow split skin and put it into the pool, wash it with running water, remove the meat network, and divide it into 10±5cm 2 Pickle the skin with 200kg of lime milk for 1 day, add 100kg of water after cleaning, add 2000g of papain, treat it at 25°C for 6 hours, wash it and put it into an acetic acid solution with a hydrochloric acid concentration of 0.5N to acidify it, and wait for the skin to become half Transparent, washed 4 times with clean water, sent to the cold storage to cool down to a material temperature below 5°C, cut into granules with a meat grinder, pressed into thin slices by a roller press, extracted silk fibers through high-pressure filtration, poured into a blender, and stirred at the same time , while adding 2000g of edible cellulose, 4800g of oil emulsion, control the water content at 92±1%, and the pH at 2.7±0.1, fully mix to form a collagen group, and store in a cold stor...
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