Natural high-emulsibility grease powder and preparation method thereof

A technology of oil body and powder, which is applied in the field of natural high emulsifying oil body powder and its preparation, can solve the problems of unclear oil body yield and complicated process, achieve good emulsification stability and oxidation resistance, increase yield, The effect of enhanced stability

Active Publication Date: 2017-06-13
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN104450162A "A method for extracting soybean oil bodies with high oxidation resistance" discloses a method for extracting oil bodies, but the process of this method is complicated, and the yield of oil bodies is not clear

Method used

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  • Natural high-emulsibility grease powder and preparation method thereof
  • Natural high-emulsibility grease powder and preparation method thereof
  • Natural high-emulsibility grease powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] Embodiment 1, preparation natural high emulsifiability oil body powder

[0073] Follow the steps below to prepare natural high emulsifying oil body powder:

[0074] (1) Crushing: mechanically crush the raw corn germ until the particle size is reduced to below 15 mesh.

[0075] (2) Alkaline extraction: the maize germ crushed in step (1) is mixed with water at a mass ratio of 1:18, and the pH of the mixed material is adjusted to 10 with sodium hydroxide. Heat the material to 65°C, and stir at a constant temperature of 250 rpm for 35 minutes.

[0076] (3) Refining: put the mixed material obtained in the above step (2) into the refining system, and refine at room temperature for 45 seconds, and the fineness after refining is 50 mesh.

[0077] (4) Secondary leaching: heat the mixed slurry after refining in step (3) to 85° C., and extract at a constant temperature of 250 rpm for 35 minutes.

[0078] (5) Filtration: filter the mixed slurry obtained in the secondary extracti...

Embodiment 2

[0084] Embodiment 2, preparation natural high emulsifiability oil body powder

[0085] Follow the steps below to prepare natural high emulsifying oil body powder:

[0086] (1) Crushing: mechanically crush the raw corn germ until the particle size is reduced to below 15 mesh.

[0087] (2) Alkaline extraction: the maize germ crushed in step (1) is mixed with water at a mass ratio of 1:18, and the pH of the mixed material is adjusted to 10 with sodium hydroxide. Heat the material to 65°C, and stir at a constant temperature of 250 rpm for 35 minutes.

[0088] (3) Refining: put the mixed material obtained in the above step (2) into the refining system, and refine at room temperature for 45 seconds, and the fineness after refining is 50 mesh.

[0089] (4) Secondary leaching: heat the mixed slurry after refining in step (3) to 85° C., and extract at a constant temperature of 250 rpm for 35 minutes.

[0090] (5) Filtration: filter the mixed slurry obtained in the secondary extracti...

Embodiment 3

[0096] Embodiment 3, grease body powder performance test

[0097] (1) storage performance

[0098] Such as figure 1 As shown, the oil powder (A) directly prepared by centrifugation in Examples 1 and 2 turns yellow in color after being stored for 2 months, and there is obvious oil phenomenon. This is caused by the broken fat body, indicating that the directly prepared fat body powder has low storage stability at room temperature. However, the oil body products (B and C) obtained in Examples 1 and 2 still kept their original appearance well after being stored for the same period of time, and there was no obvious oil-out phenomenon. It shows that the addition of protein and homogenization enhances the stability of the natural structure of the oil body, and its powder has better storage performance at room temperature. The grease body powder prepared by the invention can be stored for 60 days at room temperature, and has good storage performance.

[0099] (2) Emulsion stabilit...

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Abstract

The invention discloses natural high-emulsibility grease body powder and a preparation method thereof. A preparation method of a grease body comprises the following steps: (1) crushing a raw material, namely maize germs; (2) mixing the crushed maize germs with water, and carrying out first time of extraction under an alkaline condition; (3) grinding an extracted mixed material into thick liquid; (4) carrying out second time of extraction on the ground mixed material; (5) filtering a mixed material subjected to the second time of extraction, and collecting filtrate; (6) centrifuging the filtrate, and collecting an upper-layer material to obtain the grease body. According to the method provided by the invention, the yield of the grease body is improved; the method has the advantages of no toxin, simpleness and convenience, relatively low cost and suitability for industrialization; grease body emulsion has good emulsifying stability and anti-oxidization property through adding additional proteins and homogenizing; the powder has good storage performance at room temperature, and can be used as a more healthy substitute of non-dairy cream.

Description

technical field [0001] The invention belongs to the field of food processing, and in particular relates to a natural high emulsifying oil body powder and a preparation method thereof. Background technique [0002] In order to increase the fat content of powdered food, in the food industry, the liquid method may be used to emulsify the added edible oil and then spray dry it, or to add non-dairy creamer by dry mixing, that is, powdered oil to obtain corresponding products, such as Formula milk powder, formula cereal powder, etc. Non-dairy creamer is a kind of raw material commonly used in food processing. It is a powdered lipid made by adding a large amount of oil to a solution containing protein, sugar, emulsifier and stabilizer through a liquid method and then spray-dried. It has It provides energy, improves the flavor and taste of food, prevents food aging, etc., and is convenient for storage and transportation. It is widely used in the production of coffee, milk tea and o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/04C11B1/10C11B3/00C11B15/00
CPCC11B1/04C11B1/10C11B3/001C11B3/008C11B15/00
Inventor 郭顺堂万洋灵胡琪赵广华
Owner CHINA AGRI UNIV
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