High-DF (dietary fiber) maize germ flour and preparation method thereof

A technology of corn germ powder and high dietary fiber, which is applied in the food field, can solve problems such as nutritional deficiencies, impact on health, and lack of nutrients, and achieve the effects of good organizational structure, rich dietary structure, and improved digestion and absorption

Inactive Publication Date: 2016-10-12
BOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since rice is an important way for people to obtain nutrition, long-term food intake lacks dietary fiber, and at the same time, it is easy to cause a lack of certain nutrients when there

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh raw materials:

[0033] Corn bran 40kg, corn germ meal 60kg, rice bran meal 20kg, maltodextrin 20kg, white sugar 5kg, vegetable oil 5kg, tertiary butyl hydroquinone 0.02kg.

[0034] The preparation concrete steps of high dietary fiber corn germ powder are as follows:

[0035] (1) Raw material pretreatment

[0036] Soak 40kg of corn bran, 60kg of corn germ meal and 20kg of rice bran meal in an acetic acid solution with a mass concentration of 10% at 50±2°C for 24 hours, neutralize with a 15% sodium bicarbonate solution after soaking, wash with water to obtain the pH Corn bran, corn germ meal and rice bran meal mixture with a value of 6.5, filtered and dried;

[0037] (2) mixed

[0038] The dried acid-treated corn bran, corn germ meal and rice bran meal mixture is placed in a blender, stirred and mixed evenly, ground and milled and passed through an 80-mesh sieve to obtain a mixture of corn bran, corn germ meal and rice bran meal pink;

[0039] (3) Conditioning...

Embodiment 2

[0051] Weigh raw materials:

[0052] Corn bran 60kg, corn germ meal 40k, rice bran meal 30kg, maltodextrin 10kg, white sugar 10kg, vegetable oil 1kg, tertiary butyl hydroquinone 0.02kg.

[0053] The preparation concrete steps of high dietary fiber corn germ powder are as follows:

[0054] (1) Raw material pretreatment

[0055] Soak 60kg of corn bran, 40k of corn germ meal and 30kg of rice bran meal in an acetic acid solution with a mass concentration of 15% at 50±2°C for 24 hours, neutralize with a 20% sodium bicarbonate solution after soaking, wash with water to obtain the pH Corn bran, corn germ meal and rice bran meal mixture with a value of 6.9, filtered and dried;

[0056] (2) mixed

[0057] The dried acid-treated corn bran, corn germ meal and rice bran meal mixture is placed in a blender, stirred and mixed evenly, ground and milled and passed through an 80-mesh sieve to obtain a mixture of corn bran, corn germ meal and rice bran meal pink;

[0058] (3) Conditioning ...

Embodiment 3

[0069] Weigh raw materials:

[0070] Corn bran 50kg, corn germ meal 50kg, rice bran meal 25kg, maltodextrin 15kg, white sugar 8kg, vegetable oil 3kg, tertiary butyl hydroquinone 0.015kg.

[0071] The preparation concrete steps of high dietary fiber corn germ powder are as follows:

[0072] (1) Raw material pretreatment

[0073] Soak 50kg of corn bran, 50kg of corn germ meal and 25kg of rice bran meal in an acetic acid solution with a mass concentration of 12%, at 50±2°C for 24 hours, neutralize it with a sodium bicarbonate solution with a mass concentration of 18%, and wash with water to obtain the pH Corn bran, corn germ meal and rice bran meal mixture with a value of 6.7, filtered and dried;

[0074] (2) mixed

[0075] The dried acid-treated corn bran, corn germ meal and rice bran meal mixture is placed in a blender, stirred and mixed evenly, ground and milled and passed through an 80-mesh sieve to obtain a mixture of corn bran, corn germ meal and rice bran meal pink;

...

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Abstract

The invention discloses high-DF (dietary fiber) maize germ flour and a preparation method thereof. After maize bran, maize germ dregs and rice bran dregs are soaked in an acetic acid solution, a sodium bicarbonate solution is used for neutralization, a mixture with the pH value being 6.7+/-0.2 is obtained through water washing, and filtration, drying and milling are performed to prepare mixed powder; tert-butylhydroquinone is dissolved in vegetable oil, and then the obtained oil is added into the mixed powder to form a mixture, the mixture is poured into a moisture conditioner, the water mass content in the mixed powder is adjusted to be 15%-25% by spraying water or steam at the room temperature, conditioned powder is obtained and sent into a twin-screw extruder, extruding-expansion is performed to obtain a granular semi-finished product, the granular semi-finished product is dried and crushed, maltodextrin and white granulated sugar are added and mixed uniformly, and the high-DF maize germ flour is obtained. The high-DF (dietary fiber) maize germ flour has the advantages that the nutritive value is relatively high, rich DFs can be provided for a human body and are beneficial to the health of the human body, the taste and the resolvent quality are excellent, and the high-DF maize germ flour has excellent wettability and dispersity in warm water and cold boiled water, is convenient to eat and has a wide applicable crowd.

Description

technical field [0001] The invention belongs to the field of food, in particular to a high dietary fiber corn germ powder and a preparation method thereof. Background technique [0002] Corn bran is a by-product of corn starch processing, and its output generally accounts for 14% to 20% of the total corn. Corn bran consists of the aleurone layer of the endosperm, the remaining sclerenchyma of the endosperm, the seed coat, and the pericarp. The content of dietary fiber in corn bran is very high, and its main component is arabinoxylan. The dietary fiber content in corn bran is as high as 60% to 70%, and the surface of the fiber is covered with a certain amount of heat source substances, such as starch, protein, and fat. The content of soluble cellulose and hemicellulose in the dietary fiber in corn bran is relatively low, generally accounting for only about 1%. The product has poor palatability and is not conducive to human absorption. [0003] Corn germ meal is a by-produc...

Claims

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Application Information

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IPC IPC(8): A23L7/152A23L7/10A23L29/30A23L33/22A23P30/38
CPCA23V2002/00A23V2200/30A23V2200/326A23V2200/328A23V2200/332
Inventor 马涛朱力杰王勃
Owner BOHAI UNIV
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