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Walnut powder and production technology thereof

A technology of walnut powder and walnut, which is applied in the field of walnut powder and its production process, can solve the problems of low walnut oil content and achieve the effect of high walnut oil content

Inactive Publication Date: 2012-10-17
成坚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, nutritionally fortified foods with walnut powder as ingredients have developed rapidly, requiring a large amount of walnut powder as a key raw material. Currently, walnut powder sold on the market is mainly produced from walnut meal after walnut oil removal, and the product has functional ingredients. The content of walnut oil is low, and the production technology of whole walnut powder with walnut as the main raw material and high content of walnut oil is still blank in China

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0028] Process flow: raw materials → blanching → ingredients → water refining → high pressure homogenization → sterilization → spray drying → cooling → sieving → packaging

[0029] Process points:

[0030] (1) Raw material: walnut;

[0031] (2) Blanching: 100°C, 10 minutes;

[0032] (3) Ingredients: by weight of raw materials, add 20% cyclodextrin, 0.8% molecularly distilled monoglyceride; 0.02% sodium citrate; 0.02% antioxidant;

[0033] (4) Refining with water: first coarsely crushed, and then refined by three-stage colloid mill, the last-stage colloid mill is controlled below 20μm, and the total solid content is controlled at about 30%;

[0034] (5) High pressure homogenization: homogenization pressure 60MPa;

[0035] (6) Sterilization: heat to 90°C and keep it for 25 minutes;

[0036] (7) Spray drying: inlet air temperature is 200℃, exhaust air temperature is 85℃, powder output temperature is 60;

[0037] (8) Cooling: natural cooling to 50°C;

[0038] (9) Sieving: sieving with 10-30 mesh...

example 2

[0042] Process flow: raw materials → blanching → ingredients → water refining → high pressure homogenization → sterilization → spray drying → cooling → sieving → packaging

[0043] Process points:

[0044] (1) Raw material: walnut;

[0045] (2) Blanching: 90℃, 25 minutes;

[0046] (3) Ingredients: by weight of raw materials, add 30% cyclodextrin, 0.5% molecularly distilled monoglyceride; 0.01% sodium citrate; 0.02% antioxidant;

[0047] (4) Refining with water: first coarsely crushed, and then refined by three-stage colloid mill, the last-stage colloid mill is controlled below 20μm, and the total solid content is controlled at about 30%;

[0048] (5) High pressure homogenization: homogenization pressure 30MPa;

[0049] (6) Sterilization: heat to 90°C and keep for 20 minutes;

[0050] (7) Spray drying: inlet air temperature 210°C, exhaust air temperature 90°C, powder output temperature 65°C;

[0051] (8) Cooling: natural cooling to 50°C;

[0052] (9) Sieving: sieving with 10-30 mesh standard ...

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Abstract

A walnut powder and production technology thereof belong to the processing technology of fruit and vegetable foodstuff. The walnut powder is prepared from walnuts through the steps of blanching, ingredients preparing, grinding to slurry, high-pressure homogenization, sterilization, spray drying, cooling, sieving and packing. The walnut powder has a strong walnut flavor, and can be used as a raw material for producing nutritious prepared food.

Description

Technical field [0001] The invention belongs to the category of fruit and vegetable food processing technologies, and more specifically relates to walnut powder and its production process. technical background [0002] In recent years, nutrient-fortified foods with walnut powder as ingredients have developed rapidly and require a large amount of key raw material walnut powder. At present, walnut powder on the market is mainly produced from walnut meal after the walnut oil has been removed. The product contains functional ingredients. The walnut oil content is low, and the production technology of whole walnut powder with high walnut oil content produced with walnuts as the main raw material is still blank in China. [0003] Purpose of invention [0004] The purpose of the present invention is to provide a walnut powder for nutrient-fortified food with a strong walnut flavor and its production process, so as to fill the domestic blank of the product and technology; the process can us...

Claims

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Application Information

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IPC IPC(8): A23L1/36A23L25/00
Inventor 成坚
Owner 成坚
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