Fluoride removing technique of animals bone
An animal bone and fluoride technology, applied in food science, application, food preparation, etc., can solve the problems of deep processing and utilization of bone calcium
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[0006] In the present invention, the bone residue after extracting protein and oil from various animal bones is first soaked and hydrolyzed with dilute acid at room temperature or under heating conditions, and the hydrolyzed solution containing calcium and phosphorus is obtained after hydrolyzed, and the pH value of the hydrolyzed solution is adjusted to about 2.0-2.6, and add chitosan at a ratio of 5-10mg / l, stir and mix evenly, place it at 55-60°C for 2-3h, let it settle naturally, and then use centrifugation or plate Remove the precipitate by frame filtration and collect the supernatant; put the obtained supernatant on a 122# resin column for exchange and decolorization to obtain a clear and colorless calcium solution, heat the calcium solution to 50-55°C, and use 10% Slowly neutralize the edible alkaline solution until the pH is about 6.5. While neutralizing, stir continuously to make it evenly mixed; after the neutralization is completed, naturally precipitate for 2-3 hour...
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