A kind of preparation method of millet bran oil microcapsule

A technology of bran oil and microcapsules, which is applied in the field of food processing, can solve problems such as poor emulsification ability, poor film-forming property, and large molecular weight, and achieve the effects of good emulsification stability, improved stability, and extended shelf life

Active Publication Date: 2019-04-12
SHANDONG XINGQUAN GREASE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The research and development of new capsule wall materials has always been a very important part of the embedding application of food functional components. Starch is one of the materials that has attracted attention. The original starch has some shortcomings in structure and performance, such as too large molecular weight and easy aging , poor film-forming properties, poor emulsifying ability, etc., which limit its application as a carrier

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Primary embedding: Weigh 30g soybean protein isolate, dissolve and mix with 45°C, 225mL distilled water to prepare a soybean protein isolate solution, add 25g millet bran oil, homogenize 3 times in a homogenizer, and spray once Drying completes one embedding, the air inlet temperature of spray drying is 180°C, and the air outlet temperature is 85°C.

[0021] (2) Secondary embedding: Select 45g of starch octenyl succinate with a degree of substitution of 0.014, spread it in a container, and dry it in an oven at 135°C for 35 minutes to obtain low-viscosity starch octenyl succinate , cooled, dissolved the treated starch octenyl succinate in 175mL of distilled water, stirred evenly, added the sample embedded once, homogenized 3 times in a homogenizer, sprayed and dried to complete the second embedding, and obtained For millet bran oil microcapsule powder, the air inlet temperature of spray drying is 180°C, and the air outlet temperature is 85°C.

[0022] After testing,...

Embodiment 2

[0024] (1) Primary embedding: Weigh 50g soybean protein isolate, dissolve and mix with 45°C, 275mL distilled water to prepare a soybean protein isolate solution, add 25g millet bran oil, homogenize 4 times in a homogenizer, and spray once Drying completes one embedding, the air inlet temperature of spray drying is 180°C, and the air outlet temperature is 85°C.

[0025] (2) Secondary embedding: Select 50g of starch octenyl succinate with a degree of substitution of 0.014, spread it in a container, and dry it in an oven at 145°C for 40 minutes to obtain low-viscosity starch octenyl succinate , cooled, dissolved the treated starch octenyl succinate in 225mL distilled water, stirred evenly, added the sample embedded once, homogenized 4 times in a homogenizer, sprayed and dried to complete the second embedding, and obtained For millet bran oil microcapsule powder, the air inlet temperature of spray drying is 185°C, and the air outlet temperature is 85°C.

[0026] After testing, th...

Embodiment 3

[0028] (1) Primary embedding: Weigh 40g soybean protein isolate, dissolve and mix with 45°C, 275mL distilled water to prepare a soybean protein isolate solution, add 25g millet bran oil, homogenize 4 times in a homogenizer, and spray once Drying completes one embedding, the air inlet temperature of spray drying is 180°C, and the air outlet temperature is 90°C.

[0029] (2) Secondary embedding: Select 60g of starch octenyl succinate with a degree of substitution of 0.016, spread it in a container, and dry it in an oven at 150°C for 50 minutes to obtain low-viscosity starch octenyl succinate , cooled, dissolved the treated starch octenyl succinate in 225mL distilled water, stirred evenly, added the sample embedded once, homogenized 4 times in a homogenizer, sprayed and dried to complete the second embedding, and obtained For millet bran oil microcapsule powder, the air inlet temperature of spray drying is 180°C, and the air outlet temperature is 90°C.

[0030] After testing, th...

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Abstract

The invention discloses a preparation method for a millet bran oil microcapsulate. The millet bran oil microcapsulate is prepared by taking millet bran oil as a core material, pretreated isolated soy protein as a primary embedding wall material and treated octenyl succinic starch ester as a secondary embedding wall material, and adopting a spray dry method. According to the preparation method, the secondary embedding technology is utilized, so that problems of poor embedding effect and non-uniform embedding in the conventional primary embedding technology are solved, and a key role is played in prolonging the shelf life of the millet bran oil microcapsulate.

Description

technical field [0001] The invention belongs to the technical field of food processing and specifically designs a preparation method of millet bran oil microcapsules. Background technique [0002] Millet bran oil is the product of fine millet bran processing. The content of unsaturated fatty acids accounts for more than 80%. The main unsaturated fatty acids are linoleic acid with the highest content, followed by oleic acid. In addition, millet bran oil also contains plant active ingredients such as vitamin E, sterols and squalene, and is a vegetable oil with high nutritional value. However, due to the high content of unsaturated fatty acids in millet bran oil, oxidative rancidity easily occurs during processing and storage, making it a major problem. [0003] Microcapsule technology is a technology that can embed and seal solid, liquid or gaseous substances in a microcapsule to become a solid particle product. It has the ability to isolate the core material from the externa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23D9/04A23D9/06A23P10/30
CPCA23D9/04A23D9/06
Inventor 崔波马蕴欣檀琮萍于滨
Owner SHANDONG XINGQUAN GREASE CO LTD
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