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Extraction method of nutritional components from bones of livestock and poultries

An extraction method and a technology of nutritional components, applied in the field of bone treatment, can solve the problems of low calcium dissolution rate, incomplete hydrolysis, and low nitrogen content, and achieve high calcium dissolution rate, improved stability, and high nitrogen content.

Inactive Publication Date: 2017-05-10
HUNAN TIANJIN PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the method for extracting nutrients from the bones of livestock and poultry has a low calcium dissolution rate and serious interference with impurity ions, resulting in easy precipitation of calcium ions, which is not conducive to human body absorption, incomplete hydrolysis, and low nitrogen content

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Step one, cleaning. Wash the fresh pork bones to remove discoloration, deterioration and meat attached to the bones.

[0047] Step 2, high-temperature cooking: put the fresh bones in a cooking pot for direct steaming at 100°C for 6 hours until the bones become crisp and easy to grind.

[0048] Step three, crushing. Use a crusher or a meat grinder to grind the boiled bones into particles or bone pieces with a diameter not greater than 1cm. Then add 0.5 times the amount of water to the bone grains, grind for 1 hour, and grind the bone grains to bone paste with a rubber mill.

[0049] Step four, decoction. Add 2 times the amount of water to the bone paste, decoct twice for 3 hours each time, with a calcium dissolution rate (%) of 1.8% and a nitrogen content of 3.8 mg / ml to obtain a decoction.

[0050] Step 5, add acid solution to the above-mentioned decoction liquid, and adjust the pH value to about 1. Mix acid solution with hydrochloric acid or organic acid (such as ...

Embodiment 2

[0056] Step one, cleaning. Wash the fresh pork bones to remove discoloration, deterioration and meat attached to the bones.

[0057] Step 2, high-temperature cooking: put the fresh bones in a cooking pot for direct steaming at 120°C for 2 hours until the bones become crisp and easy to grind.

[0058] Step three, crushing. Use a crusher or a meat grinder to grind the boiled bones into particles or bone pieces with a diameter not greater than 1cm. Then add 1.5 times the amount of water to the bone grains, grind for 3 hours, and grind the bone grains to bone paste with a rubber mill.

[0059] Step four, decoction. Add 6 times the amount of water to the bone paste, decoct once for 1 hour each time, with a calcium dissolution rate (%) of 1.7% and a nitrogen content of 3.8 mg / ml to obtain a decoction. .

[0060] Step 5, add acid solution to the above-mentioned decoction liquid, and adjust the pH value to about 4. Mix acid solution with hydrochloric acid or organic acid (such a...

Embodiment 3

[0066] Step one, cleaning. Wash the fresh pork bones to remove discoloration, deterioration and meat attached to the bones.

[0067] Step 2, high-temperature cooking: put the fresh bones in a cooking pot for direct steaming at 120°C for 6 hours, until the bones become crisp and easy to grind.

[0068] Step three, crushing. Use a crusher or a meat grinder to grind the boiled bones into particles or bone pieces with a diameter not greater than 1cm. Then add 1 times the amount of water to the bone grains, grind for 2 hours, and grind the bone grains to bone paste with a rubber mill.

[0069] Step four, decoction. Add 2 to 6 times the amount of water to the bone paste, decoct 3 times for 2 hours each time, with a calcium dissolution rate (%) of 1.8% and a nitrogen content of 4 mg / ml to obtain a decoction.

[0070] Step 5, add acid solution to the above-mentioned decoction liquid, and adjust the pH value to about 2.5. Mix acid solution with hydrochloric acid or organic acid (s...

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Abstract

The present invention discloses an extraction method of nutritional components from bones of livestock and poultries. The extraction method comprises the following steps: (1) the bones of the livestock and poultries are crushed; (2) the crushed bones of the livestock and poultries are boiled using water to obtain a boiling liquid; (3) protease is added into the boiling liquid to conduct an enzyme deactivation to obtain an enzymatic hydrolysate; and (4) the enzymatic hydrolysate is subjected to a bipolar membrane electrodialysis to obtain a bone liquid containing the nutritional components. The extraction method of the nutritional components from the bones of the livestock and poultries comprises the bipolar membrane electrodialysis, can remove impurities, anions, etc., and improves the stability of calcium ions in the bone liquid. In addition, a ceramic membrane is composed between the enzyme digestion and the bipolar membrane electrodialysis, so that the extraction method can remove colloidal impurities and fats, and is high in calcium dissolution rate and relatively high in nitrogen content.

Description

technical field [0001] The invention relates to the technical field of bone treatment, in particular to a method for extracting nutrients from livestock and poultry bones. Background technique [0002] With the in-depth study of livestock and poultry bones, people have a deeper understanding of the nutritional value of bones. Bone accounts for about 2-30% of the animal's body weight, mainly protein, fat and minerals, etc., and is a by-product of meat processing with very high nutritional value. my country has a long history of using vertebrate bones for medicinal purposes, and there is a folk saying that using bones to supplement bones. Fresh bone is very rich in nutrients, and its protein and fat content is similar to that of meat. 90% of the protein in bones is collagen, bone collagen and chondroitin, which can strengthen the metabolism of cortical cells and prevent aging. Bone contains all the amino acids that make up protein, and the proportion is balanced, and the le...

Claims

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Application Information

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IPC IPC(8): A23L13/20
CPCA23V2002/00A23V2250/204A23V2300/14
Inventor 许必祥
Owner HUNAN TIANJIN PHARMA