Inositol refining method

A refining method, the technology of inositol, applied in the field of inositol refining, can solve the problems of low utilization rate of mother liquor, low product quality, high production cost, etc., and achieve the effect of low production cost, high product quality and less inorganic salt

Inactive Publication Date: 2018-10-23
安徽谷天下食品有限公司
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Problems solved by technology

However, the inositol inorganic salt content obtained by the current refining method is high, the utilization rate of the mother liquor is low, and the safety of the...

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Embodiment Construction

[0015] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below.

[0016] A method for refining inositol, comprising the following steps:

[0017] Step 1: dissolving crude inositol in distilled water to prepare inositol solution, and then heating.

[0018] Step 2: adding activated carbon of 5% mass of crude inositol to the inositol solution to decolorize the inositol solution.

[0019] Step 3: Activated carbon is removed by negative pressure suction filtration at 90°C, concentrated and cooled to 25°C, crystallized, and then filtered to obtain a primary refined product of inositol; 50% of the refined mother liquor is reused, and the remaining 50% of the mother liquor is reused to The pre-evaporation purification section of the inositol solution, re-evaporating and crystallizing after purification, and extracting the crude inositol.

[0020] Step 4: Re...

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Abstract

The invention relates to an inositol refining method. The inositol refining method comprises the following steps of: (1) dissolving a crude inositol product in distilled water to prepare inositol solution, and then heating; (2) adding active carbon into the inositol solution to carry out decolorization; (3) carrying out negative-pressure suction filtration at the temperature of 90 DEG C to removeactive carbon, crystallizing after concentrating and cooling to 25 DEG C, and filtering to obtain a primary refined product of inositol and collecting refined mother liquid; (4) redissolving the crystallized primary refined product of inositol in the distilled water, repeating the step (2) and the step (3) to obtain an inositol finished product, and collecting filtered mother liquid. The inositolrefining method has the beneficial effects that by adoption of multiple dissolution, filtration and cooling crystallization for inositol, the content of inorganic salt of the finished product is low,the product yield is high when the mother liquid is applied, and is highest when the mother liquid is mechanically applied by 50%; compared with a method for refinement by adopting alcohol as a solvent, the product safety is higher, the solvent does not need to be recovered, the production cost is lower, the inorganic salt is less and the product quality is higher.

Description

technical field [0001] The invention relates to the technical field of inositol purification, in particular to a method for refining inositol. Background technique [0002] Inositol can be regarded as a polyhydrocarbyl derivative of cyclohexane chemically. Almost all living things contain free or bound inositol. It exists in the form of hexaphosphate as inositol hexaphosphate in nucleated red blood cells of plants and birds. Compounds with fewer phosphate groups than this compound are also distributed in plants and animals. In addition, free inositol mainly exists in muscle, heart, lung, and liver, and is a component of phosphatidylinositol in phospholipids. However, the inositol inorganic salt content obtained by the current refining method is high, the utilization rate of the mother liquor is low, and the safety of the traditional inositol refining is low, and the solvent needs to be recovered all the time, resulting in high production costs, more inorganic salts, and lo...

Claims

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Application Information

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IPC IPC(8): C07C29/74C07C29/76C07C29/78C07C35/16
CPCC07C29/74C07C29/76C07C29/78C07C2601/14C07C35/16
Inventor 王小贵
Owner 安徽谷天下食品有限公司
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