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Method for extracting calcium citrate

A technology of calcium citrate and extraction method, applied in microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve problems such as general taste, low solubility, and calcium absorption limitation

Inactive Publication Date: 2010-06-23
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

[0009] 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.

[0010] 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

The invention relates to a method for extracting calcium citrate. The potato dregs are utilized to quickly extract the diffluent calcium citrate, and fermented by using Aspergillus niger. The solubility of the calcium citrate is higher than that of the prior organic calcium, and the calcium citrate has an obvious lemon taste, thereby having a good mouthfeel. The cost is equivalent to the price of citric acid, thus the cost is low; and the purity is above 99.5%.

Description

technical field [0001] The invention relates to a method for extracting calcium citrate. 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 not cause side effects such as constipation after taking it. Studies have shown that after takin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P9/00C12R1/685
Inventor 吴玉华
Owner 吴玉华
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