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Preparation method of L-phenylalanine chelated calcium powder and L-phenylalanine chelated calcium tablet prepared therefrom
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A technology of phenylalanine and chelated calcium, applied in the field of food biology, can solve the problems of low calcium content and absorption rate, complicated production process, etc., and achieve high calcium content, high biological titer, and simplified operation steps. Effect
Active Publication Date: 2019-09-27
GUANGDONG OCEAN UNIVERSITY
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[0003] The primary purpose of the present invention is to overcome the complex production process of chelated calcium in the above-mentioned prior art, the defects and deficiencies that calcium content and absorption rate are not high, and provide a kind of L - The preparation method of phenylalanine chelated calcium powder, the L-phenylalanine chelated calcium powd
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Embodiment 1
[0032] A preparation method of L-phenylalanine chelated calcium powder, comprising the following steps:
[0033] Acid hydrolyze the shell powder with 1mol / L hydrochloric acid, adjust the pH to 5, add L-phenylalanine, and perform a chelating reaction to obtain a chelating liquid, concentrate the chelating liquid to a paste, purify and separate with ethanol, Dry the precipitate to obtain L-phenylalanine chelated calcium powder, wherein the chelating reaction temperature is 40°C, the reaction time is 60 minutes, and the material ratio of shell powder and L-phenylalanine is 1:2.
Embodiment 2
[0035] A preparation method of L-phenylalanine chelated calcium powder, comprising the following steps:
[0036] Acid hydrolyze the shell powder with 1mol / L hydrochloric acid, adjust the pH to 6, add L-phenylalanine, and perform a chelating reaction to obtain a chelating liquid, concentrate the chelating liquid to a paste, purify and separate with ethanol, Dry the precipitate to obtain L-phenylalanine chelated calcium powder, wherein the chelating reaction temperature is 40°C, the reaction time is 60 minutes, and the material ratio of shell powder and L-phenylalanine is 1:2.
Embodiment 3
[0038] A preparation method of L-phenylalanine chelated calcium powder, comprising the following steps:
[0039]Use 1mol / L hydrochloric acid to hydrolyze the shell powder, adjust the pH to 7, add L-phenylalanine, and perform a chelating reaction to obtain a chelating solution. Concentrate the chelating solution to a paste, purify and separate it with ethanol, Dry the precipitate to obtain L-phenylalanine chelated calcium powder, wherein the chelating reaction temperature is 40°C, the reaction time is 60 minutes, and the material ratio of shell powder and L-phenylalanine is 1:2.
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Abstract
The invention discloses a preparation method of L-phenylalanine chelated calcium powder and an L-phenylalanine chelated calcium tablet prepared therefrom. The method comprises the following steps of performing acidolysis on shell powder, regulating the pH to 5 to 8, adding L-phenylalanine, performing thermal insulation and chelating, purifying and filtering to obtain the L-phenylalanine chelated calcium powder, wherein the reaction temperature is 30 to 50 DEG C, and the reaction time is 50 to 90 min. The L-phenylalanine chelated calcium tablet prepared by the invention has a rate of chelation of up to 23%, calcium content of each calcium tablet is 12.5% or above, the water solubility is 90.1 mg/100ml of water, the dissolution rate is up to 81.2%, and the human body absorption rate is 48.8%; the L-phenylalanine chelated calcium tablet has good solubleness and absorption rate, overcomes the problems that the traditional calcium preparations are poor in solubleness, low in absorption rate, easy to generate calculus and the like, and can completely meet the nutritional requirement of human beings and animals.
Description
technical field [0001] The invention relates to the field of food biotechnology, in particular to a preparation method of L-phenylalanine chelated calcium tablet. Background technique [0002] Calcium is one of the essential elements in the human body. It is an important component of human bones, teeth, organs, blood, and muscle tissue. When calcium is lacking in the human body, physiological dysfunction may occur. Most of the calcium supplements widely used at present are calcium salts, such as calcium phosphate, calcium carbonate, calcium gluconate, calcium acetate, calcium lactate, etc. These calcium salts have poor solubility, are prone to stone formation, and are not easily absorbed by the human body. Amino acid chelated calcium is a compound with a ring structure formed by the chelation reaction between one or more amino acids and metallic calcium. It has good chemical and biochemical stability and can achieve the dual effects of supplementing calcium and amino acids. ...
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