Helth-care product with functions of prolonging life and nourishing face
A health care product, weight percentage technology, applied in the field of health care products, can solve problems such as loss
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[0035] The present invention is described in further detail below in conjunction with embodiment.
[0036] 1. Preparation of compound amino acid powder
[0037] The preparation of compound amino acid powder is human hair as raw material. Take 100 kg of clean human hair and place it in an enamel reaction kettle. Add 2 kg of food-grade hydrochloric acid to 1 kg of human hair, and add 200 kg of food-grade hydrochloric acid to the enamel. In the reaction kettle, raise the temperature to 100-120°C and hydrolyze for 7 hours. After the human hair is completely dissolved, cool the hydrolyzate; transfer the above hydrolyzate to another enamel reaction kettle, and gradually add food-grade sodium carbonate for Neutralization, when the pH value is 4.8, stop the neutralization, at this time, the water-insoluble L-cystine crystallizes and precipitates at the bottom of the reaction kettle. The cystine is a crude product, which can be carried out according to the L-cystine production process....
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