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Preparation method of macadimia nut polypeptides

A technology for nuts and nut meal, applied in the field of macadamia nut polypeptide preparation, can solve the problems of protein resource waste and low utilization rate of macadamia nut meal, and achieve the effects of stable polypeptide properties, improved protein utilization rate, and low molecular weight

Inactive Publication Date: 2018-03-30
广东玖乐食品产业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a preparation method of macadamia nut polypeptide, which solves the problems of low utilization rate of macadamia nut meal after oil extraction and waste of protein resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 The preparation of a macadamia nut polypeptide comprises the following steps:

[0017] a, crushing: hydraulically pressed macadamia nut meal is crushed by a plant crusher and passed through a 60-mesh sieve to obtain macadamia nut meal powder;

[0018] b, the homogeneity of the suspension: add water to the pulverized macadamia nut meal powder and mix thoroughly, and obtain a uniform mixed solution through a homogenizer, and the homogenization pressure is 25MPa; the mixing mass ratio of macadamia nut meal powder and water is 1: 5;

[0019] c. Constant temperature enzymolysis: preheat the mixture in boiling water for 10 minutes, cool to 50°C and add neutral protease, the amount of enzyme added is 3200U / g, adjust the pH value to 7.0, and carry out constant temperature enzymolysis for 8 hours to obtain enzymolysis liquid;

[0020] d. Boiling water sterilization: heat the enzymatic solution in a boiling water bath for 5 minutes;

[0021] e. Centrifugal separation...

Embodiment 2

[0023] Example 2 The preparation of a macadamia nut polypeptide comprises the following steps:

[0024] a, crushing: hydraulically pressed macadamia nut meal is crushed by a plant crusher and passed through a 60-mesh sieve to obtain macadamia nut meal powder;

[0025] B, the homogeneity of suspension: add water to the pulverized macadamia nut meal powder and mix thoroughly, and homogenize through a homogenizer to obtain a uniform mixed solution, the homogenization pressure is 30MPa; the mixing mass ratio of macadamia nut meal powder and water is 1: 6;

[0026] c. Constant temperature enzymolysis: preheat the mixture in boiling water for 10 minutes, cool to 50°C and add neutral protease, the amount of enzyme added is 3200U / g, adjust the pH value to 8.5, and carry out constant temperature enzymolysis for 6 hours to obtain enzymolysis liquid;

[0027] d. Boiling water sterilization: heat the enzymatic solution in a boiling water bath for 8 minutes;

[0028] e. Centrifugal sepa...

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Abstract

The present invention discloses a preparation method of macadimia nut polypeptides. The preparation method of the macadimia nut polypeptides is extracting polypeptides from macadamia nuts by enzymolysis and comprises the following steps: a, crushing; b, suspension homogenizing; c, constant temperature enzymolyzing; d, boiling water sterilizing; e, centrifuging and separating; and f, freeze-dryingand macadimia nut polypeptide powder obtaining. By using an enzymolyzing method to prepare the polypeptides, a utilization rate of macadimia nut meal proteins is improved. The obtained polypeptides bythe method are more stable in properties and higher in yield than that treated by other drying methods. Due to the fact that the prepared macadimia nut polypeptides are low in molecular weight and good in product stability, the macadimia nut polypeptides have very good effects of preventing fatigue, lowering blood pressure reducing, preventing oxidation, etc.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a method for preparing a macadamia nut polypeptide. Background technique [0002] Macadamia nuts are rich in nutrients. In addition to high fat, the nuts also contain quite high protein and carbohydrates, and are also rich in calcium, phosphorus, iron and B vitamins thiamine, riboflavin and niacin. Macadamia nut oil has a variety of health functions. The cake after oil extraction retains the complete nutrients of macadamia nuts and has high nutritional value. However, it is mainly used as feed now, resulting in a great waste of resources. The product macadamia nut meal contains high content of protein, glutamic acid, arginine, aspartic acid, leucine and lysine. Enzymatic preparation of peptides is one of the effective ways to improve the protein utilization of macadamia nut meal . Contents of the invention [0003] The technical problem to be solved by the present invention is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/18
CPCA23L33/18A23V2002/00A23V2200/326A23V2200/02A23V2250/55A23V2300/10
Inventor 陈进基
Owner 广东玖乐食品产业有限公司
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