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A preparation method for extracting refined liver extract from pig liver

A technology of pig liver and liver essence is applied in the field of preparation of extracting refined liver essence from pig liver, which can solve the problems of poor purity, easy precipitation and instability of liver extract, and achieve good water solubility, easy extraction and reduction of impurities. Effect

Active Publication Date: 2020-02-11
HENAN AOLITE PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a preparation method for extracting refined liver essence extract from pig liver, which can effectively solve the problem of poor purity of the existing liver extract, i.e. liver extract, easy precipitation, Unstable, not suitable for the production of liquid products such as mixtures

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: A preparation method for extracting refined liver essence ointment from pig liver, including the following steps:

[0021] Step 1: Remove the non-liver tissue from the pig liver, wash it, and mince it with a meat grinder. After mincing, it becomes muddy or mushy. Weigh 1300g of pig liver and add water to the liver. The amount of water added is the weight of the liver. 50%, water is the solvent used for extraction;

[0022] Step 2: Add hydrochloric acid to the pig liver of step 1, add hydrochloric acid, the amount of hydrochloric acid added is 0.07% of the weight of the pig liver, add water and mix well when adding acid to make the pH of the acid solution 4.0~5.0; add acid and water to the whole The pH value of the mixture is 4.0~5.0. Generally, the dissolution of nutrients is better within this pH range. This weak acid environment needs to be maintained, but too much acid should not be added to cause digestion and introduce other impurities;

[0023] Step 3: Stir t...

Embodiment 2

[0026] Example 2: A preparation method for extracting refined liver essence ointment from pig liver, including the following steps:

[0027] Step 1: Remove the non-liver tissue from the pig liver, wash it, and mince it with a meat grinder. After mincing, it becomes muddy or mushy. Weigh 1300g of pig liver and add water to the liver. The amount of water added is the weight of the liver. 60%, water is the solvent used for extraction;

[0028] Step 2: Add hydrochloric acid to the pig liver from step 1, add hydrochloric acid, the amount of hydrochloric acid added is 0.12% of the weight of the pig liver, add water and mix well when adding acid to make the pH of the acid solution 4.0~5.0; add acid and water to the whole The pH value of the mixture is 4~5. Generally, the dissolution of nutrients is better within this pH range. This weak acid environment needs to be maintained, but too much acid should not be added to cause digestion and introduce other impurities;

[0029] Step 3: Stir the...

Embodiment 3

[0032] Example 3: A preparation method for extracting refined liver essence ointment from pig liver, including the following steps:

[0033] Step 1: Remove the non-liver tissue from the liver, wash it, and mince it with a meat grinder. After mincing, it will become muddy or paste. Weigh 1300g of liver and add water to the liver. The amount of water added is the weight of the liver. 55%, water is the solvent used for extraction;

[0034] Step 2: Add 1:1 sulfuric acid to the pig liver of step 1, and 1:1 sulfuric acid is the volume of water and the volume of sulfuric acid is 1:1, and the amount of 1:1 sulfuric acid added is 0.1% of the weight of the pig liver. When adding acid, add water and mix well. , Make the pH value of the acid solution 4.0~5.0; after adding acid and water, the pH value of the whole mixture is 4~5. Generally, the dissolution of nutrients is better in this pH range. It is necessary to maintain this weak acid environment, but it cannot Adding too much acid causes ...

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PUM

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Abstract

The invention relates to the field of traditional Chinese medicines, and particularly relates to a method of extracting refined liver extract paste from pork liver. The method comprises the procedures of water extraction, concentration, ethanol precipitation, water precipitation and the like. The pork liver is minced into paste, so as to obtain an effective component to extract the refined liver extract paste more easily; the amount of added acid is controlled to be 0.1% that of the pork liver, so that ph of a mixture is 4-5, a digestion phenomenon (impurity increase) caused by excessive acid addition is prevented, and the ph of 4-5 makes the effective component dissolve out most easily; extraction temperature is controlled at 90-95DEG C, an intermittent agitating manner is adopted for assistance, and a reduced pressure concentration manner maintains the effective component most; ethanol precipitation can help clearly prepare and purify the effective component, thereby further reducing impurities; and ethanol paste is added with water for water precipitation, so that substances that cannot be disolved in the water are filtered to prevent precipitate in a preparation with liquid. The liver extract paste prepared by the method has higher purity, better water solubility and higher stability, and can be added in liquid or solid food, healthcare products, medicines and the like.

Description

Technical field [0001] The invention relates to the field of traditional Chinese medicine, in particular to a preparation method for extracting refined liver essence ointment from pig liver. Background technique [0002] Liver essence ointment is a refined extract of animal liver. Animals mainly refer to pigs, cattle, and sheep, especially pigs. Pork liver is the liver of the pig Sus scrofa domestica Brisson. After slaughter, the liver is taken by caesarean section and used fresh or frozen. TCM theory: It has the effects of invigorating the liver, improving eyesight, nourishing blood and strengthening the spleen; it mainly treats liver deficiency, faintness, night blindness, blood deficiency and chlorosis, malnutrition in children, beriberi edema, edema, chronic dysentery, prolapse of the anus, and vaginal discharge. 100 grams of pig liver contains: protein 21.3 grams, fat 4.5 grams, carbohydrates 1.4 grams, calcium 11 mg, phosphorus 270 mg, iron 25.0 mg, zinc 5.78 mg, thiamine...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K9/06A61K35/407A61P7/06
CPCA61K9/06A61K35/407
Inventor 秦兴国李晓旭屈淑灵
Owner HENAN AOLITE PHARMA
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