Method for extracting sweet almond oil from sweet almond and method for separating protein

A technology of sweet almond oil and almond, which is applied in the field of oil and protein extraction, can solve problems such as emulsification, and achieve the effect of increasing added value, increasing yield, and increasing content

Inactive Publication Date: 2010-10-13
XINJIANG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, water enzymatic oil extraction is easy to cause emulsification problems,

Method used

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  • Method for extracting sweet almond oil from sweet almond and method for separating protein
  • Method for extracting sweet almond oil from sweet almond and method for separating protein
  • Method for extracting sweet almond oil from sweet almond and method for separating protein

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment one: the preparation technology of sweet almond oil and protein thereof

[0033] See attached figure 1 , the preparation steps of extracting sweet almond oil and protein thereof from sweet almonds are as follows:

[0034] (1) 1Kg of dried and pulverized sweet almonds are placed in an enzymatic hydrolysis tank.

[0035] (2) Add ionized water to sweet almonds, the solid-to-liquid ratio is 1:5 according to the mass of sweet almonds: the volume ratio of deionized water, rapidly heat up to 85-90°C, maintain for 10min, and cool down to room temperature rapidly after enzymatic inactivation treatment. Use NaOH to adjust the pH value to 7.0, carry out enzymolysis temperature 35 ℃, under this condition, add enzyme according to the mass ratio of compound enzyme (cellulase+neutral protease): the sweet almond ratio is 1: 100, in the compound enzyme The mass ratio of cellulase:neutral protease is 1:1, the enzymolysis is stirred for 1 hour, and then the temperature is rap...

Embodiment 2

[0041] Embodiment two: the preparation technology of sweet almond oil and protein thereof

[0042] See attached figure 1 , the preparation steps of extracting sweet almond oil and protein thereof from sweet almonds are as follows:

[0043] (1) After drying 1Kg of sweet almonds, pulverize them with a pulverizer and place them in an enzymatic hydrolysis tank.

[0044] (2) Add deionized water with a solid-to-liquid ratio (mass of sweet almond: volume of deionized water) of 1:4 to the sweet almond, rapidly raise the temperature to 85-90°C, keep it for 10min, and cool down to room temperature rapidly after enzyme-inactivating treatment. Adjust the pH value to 8.5 with NaOH, carry out enzymolysis temperature 50 ℃, under this condition, add enzyme according to the mass ratio of (cellulase+alkaline protease): sweet almond is 1:100, enzymolysis and stirring for 2 hours, (cellulase:alkaline protease=2:3) then rapidly raise the temperature to 85-90°C, maintain it for 10min, and carry o...

Embodiment 3

[0050] Embodiment three: the preparation technology of sweet almond oil and protein thereof

[0051] See attached figure 1 , the preparation steps of extracting sweet almond oil and protein thereof from sweet almonds are as follows:

[0052] (1) After drying 1Kg of sweet almonds, pulverize them with a pulverizer and place them in an enzymatic hydrolysis tank.

[0053] (2) Add deionized water with a solid-to-liquid ratio (mass of sweet almond: volume of deionized water) of 1:3 to the sweet almond, rapidly raise the temperature to 85-90°C, maintain it for 10 minutes, and cool down to room temperature rapidly after enzymatic inactivation treatment. Adjust to pH value 9.0 with NaOH, carry out enzymolysis temperature 55 ℃, under this condition, according to (cellulase+neutral protease): the mass ratio of sweet almond is 1: 100 to add enzyme (cellulase: neutral protease). Protease = 2:3), enzymatic hydrolysis and stirring for 3 hours, and then rapidly raised the temperature to 85-...

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Abstract

The invention discloses a method for extracting sweet almond oil and protein thereof from sweet almond, which is characterized in that: sweet almond is dried and smashed to be arranged inside an enzymolysis tank, calculated at W/V, deionized water is added with the solid-liquid ratio of 1:(3 to 5), after being maintained for 10 minutes at the temperature of 85 to 90 DEG C, the mixture is inactivated and cooled, the pH value is adjusted to 7 to 9, composite of protease and cellulose which is 1 to 3 percent of the weight of the sweet almond is added, enzymolysis is carried out for 1 to 3 hours at the temperature of 35 to 55 DEG C, then the temperature is increased to 85 to 100 DEG C to be maintained for 10 minutes, the mixture is inactivated and cooled, and the inactivated enzymolysis liquid is centrifuged to obtain an upper layer of clear oil, i.e. the sweet almond oil; the upper clear liquid after being centrifuged is obtained, the pH value is adjusted to 4.5, then the upper clear liquid is centrifuged again, the sedimentation layer is obtained to be washed by water, and the collected sediment is frozen and dried to obtain almond protein powder. With the method, the sweet almond oil can reach 78.6 percent, the content of the extracted protein can reach 91.6 percent, and the fat is 6.2 percent. The method has wide application value.

Description

field of invention [0001] The invention relates to the technical field of oil and protein extraction. Specifically, the present invention relates to the technical field of extracting sweet almond oil and protein thereof from sweet almonds. Background technique [0002] Almonds are the kernels of the deciduous tree plants of the Rosaceae family, apricot or apricot. According to the difference in fruit flavor, they can be divided into two types: sweet almonds and bitter almonds. my country is rich in almond resources, mainly produced in Xinjiang, Gansu, Shaanxi, Shanxi and other places. In addition to eating, almonds also have broader development prospects. They are rich in protein, fat, sugar, carotene, B vitamins, vitamin C, vitamin P, calcium, phosphorus, iron, selenium and other nutrients. The content is 24%-27%, the almond oil content is as high as about 50%, and the almond is rich in nutrition. The protein content in every 100g almond is 24g, and its protein is rich in ...

Claims

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Application Information

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IPC IPC(8): A23D9/02A23J1/14
Inventor 杨海燕马燕陈士利逄焕明高蕾周建中王英王青方华郭金喜
Owner XINJIANG AGRI UNIV
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