Method for extracting soluble calcium citrate using potato slag

A technology of citric acid and potato dregs, which is applied in the fields of application, active ingredients of alkali/alkaline earth metal chlorides, metabolic diseases, etc., and can solve problems such as calcium absorption limitation, low solubility, and general taste

Inactive Publication Date: 2008-11-12
吴玉华
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Problems solved by technology

Calcium is an essential element for the human body (including animals). Calcium citrate sold on the market belongs to organic calcium. Its solubility is better than that of inorganic calcium. The absorption of calcium by the human body is correspondingly higher, but it is still low in solubility. Insoluble organic calcium, the taste is also average, the body's absorption of calcium is limited

Method used

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Embodiment Construction

[0008] 1. Raw material selection. The wet potato residue (generally with a water content of 70%) for koji making can be directly used for koji making. If the raw material is dry slag, the spoiled ones should be removed first, and then sprinkled and crushed to make them into coarse materials with a particle diameter of 2-4 mm or fine materials below 2 mm. Aspergillus niger needs an appropriate amount of nitrogen source during fermentation, so it is necessary to add an appropriate amount of rice bran or bran.

[0009] Two, koji making process. Medium formula: 5 kg of bran, 0.5 kg of calcium carbonate, 25 g of ammonium carbonate, and 5 liters of water. Inoculate after sterilization, and cultivate at 30-35°C for 3-4 days. The raw material of koji-making batching is mixed by the ratio of 50 kilograms of potato dregs, 5.5 kilograms of rice bran or 9.5 kilograms of bran, 1 kilogram of calcium carbonate, 2%~3% alcohol, 40 liters of water (35 liters of water for fine materials). Ir...

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Abstract

A method for extracting the soluble calcium citrate by the manioc residue in a short period. The calcium citrate becomes more and more popular for the consumers as an ideal calcium supplement. The calcium citrate for sale in the market belongs to organic calcium, whose solubility is better than inorganic calcium and good for the absorption of human body to calcium, however, still belonging to the organic calcium with a low solubility, which restricts the absorption of human body to calcium. The inventive method mentioned above improves the absorption of the organic calcium and the mouthfeel by fermenting the manioc residue with Aspergillus niger. The produced organic calcium has a high solubility and tastes like lemon. The cost of the extracted soluble calcium citrate is equal to that of the citric acid with purity over 99.5%.

Description

technical field [0001] The invention relates to a method for extracting calcium citrate, in particular to a method for rapidly extracting soluble calcium citrate by using potato dregs. Background technique [0002] At present, there are many calcium supplement products on the calcium supplement market. In terms of their composition, they generally include calcium carbonate, calcium phosphate, calcium citrate and milk calcium. Calcium citrate, as an ideal calcium supplement, is more and more favored by consumers. The biggest feature of calcium citrate is that it can be directly dissolved in water, and can be directly absorbed and utilized by the human body without gastric acid. Calcium citrate is non-intestinal stimulating and can be taken even on an empty stomach. Compared with traditional calcium tablets, calcium citrate will not produce carbon dioxide when it meets stomach acid, so it will not cause flatulence. Calcium citrate also has a high absorption rate, and will n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/304A23L1/28A23L1/216A61K33/14A61P3/02A61P1/16A23L33/16
Inventor 吴玉华
Owner 吴玉华
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