New application of type I collagen in preparation of medicament for treating and/or preventing psoriasis
A technology of collagen and collagen peptides, which is applied in the field of new application of type I collagen in the preparation of drugs for the treatment and/or prevention of psoriasis, which can solve the problems of large toxic and side effects and unsatisfactory curative effect, and achieve capillary repair , The effect of improving the phenomenon of hair loss
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Embodiment 1
[0057] Select chicken bones, wash and soak in 0.5% hydrochloric acid 5 times the weight of the chicken bones for 5 minutes, filter, rinse the chicken bones with clean water and crush them, add water 10 times the weight of the chicken bones, heat and extract for 1 hour, extract 3 times, filter The filtrates were combined and dried to obtain type I collagen with a purity of 30%.
Embodiment 2
[0059] Select pork bones, wash, drain, crush, add 5 times the weight of pork bones in 2% citric acid, soak for 5 minutes, filter, rinse with water until the pH is 6; add 1% NaCl solution and soak for 10 hours, The added NaCl solution is 12 times the weight of the pig bone; cool to 10°C, add trypsin, hydrolyze for 6 hours, after the hydrolysis, heat for 40 minutes to inactivate; obtain the hydrolyzate, concentrate the hydrolyzate and dry to obtain type I collagen Peptide, 78% pure.
Embodiment 3
[0061] Select fish bones, wash and soak in 2% lactic acid 10 times the weight of the fish bones for 120 minutes, filter, rinse the fish bones with clean water and crush them, add water 3 times the weight of the fish bones, heat and extract for 8 hours, extract once, filter The filtrate was filtered and dried to obtain type I collagen with a purity of 45%.
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