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Microwave-process-assisted extracted wood frog egg oil and preparation method of complete-nutrient emulsion of wood frog egg oil

An auxiliary extraction and technology of Rana roe, which is applied in the direction of fat oil/fat production, metabolic diseases, fat production, etc., can solve the problems of easy oxidation, heavy smell of Rana roe oil, loss of activity and active ingredients, etc., and achieve improvement Effects of sleep, high extraction rate, and high-quality protein content

Inactive Publication Date: 2016-08-03
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because Rana egg oil contains a variety of unsaturated fatty acids, it is easily oxidized, loses its activity and effective ingredients when exposed to the air for a long time, and it is inconvenient to eat directly, so it is made into a full-nutrition emulsion
[0005] The research purpose of the present invention is to increase the extraction rate of Rana egg oil and reduce the extraction cost. At the same time, in order to overcome the defects of Rana egg oil, such as heavy fishy smell and inconvenient consumption, it is made into a full-nutrition emulsion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Sieve the wood frog egg powder with a water content of less than 6% with a 40-mesh sieve, weigh 10.00 g of the wood frog egg powder, add 100 ml of absolute ethanol for soaking; soak for a total of 4 hours, and use a microwave extractor for microwave extraction. The extraction time is 20min, the extraction power is 600w, and the temperature of the microwave extractor is set at 30°C. Settled for 1 hour after the extraction, filtered, repeated the above operation twice, combined the supernatant, weighed 353.55g of the quality of the rotary evaporator, poured the supernatant into the rotary evaporator, and removed the solvent with a vacuum distillation device , after the volatilization was completed, the weighing bottle and the oil quality were 355.51g, and the calculated extraction rate was 19.6%. A viscous, light yellow-brown Rana egg oil was obtained.

[0021] Rana egg oil 13.28g, sunflower oil 6.64g, maltodextrin 64.29g, xylitol 27.55g, whey protein 32g, complex minera...

Embodiment 2

[0023] Sieve the wood frog egg powder with a water content of less than 6% with a 40-mesh sieve, weigh 10.00g of the wood frog egg powder, add 70ml of absolute ethanol to soak; soak for a total of 4 hours, and use a microwave extractor for microwave extraction. The extraction time is 50min, the extraction power is 400w, and the temperature of the microwave extractor is set at 30°C. Settle for 1 hour after the extraction, filter, repeat the above operation twice, combine the supernatant, weigh the quality 346.70g of its rotary evaporating flask, pour the supernatant into the rotary evaporating flask, and remove the solvent with a vacuum distillation device , after the volatilization was completed, the weighing bottle and the oil quality were 348.62g, and the calculated extraction rate was 19.2%. A viscous, light yellow-brown Rana egg oil was obtained.

[0024] Rana egg oil 10.18g, sunflower oil 5.09g, maltodextrin 64.25g, xylitol 27.54g, whey protein 42.31g, complex minerals 8...

Embodiment 3

[0026]Sieve the wood frog egg powder with a water content of less than 6% with a 40-mesh sieve, weigh 10.00g of the wood frog egg powder, add 110ml of absolute ethanol to soak; soak for a total of 5 hours, and use a microwave extractor for microwave extraction. The extraction time is 30min, the extraction power is 800w, and the temperature of the microwave extractor is set at 30°C. Settle for 1 hour after the extraction, filter, repeat the above operation twice, combine the supernatant, weigh the quality 332.83g of its rotary evaporating flask, pour the supernatant into the rotary evaporating flask, and remove the solvent with a vacuum distillation device , after the volatilization was completed, the weighing bottle and the oil quality were 334.78g, and the calculated extraction rate was 19.5%. A viscous, light yellow-brown Rana egg oil was obtained.

[0027] Rana egg oil 10.62g, sunflower oil 5.31g, maltodextrin 69.89g, xylitol 29.95g, whey protein 32.00g, multi-mineral 10.0...

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Abstract

The invention discloses a microwave-process-assisted extracted wood frog egg oil and a preparation method of a complete-nutrient emulsion of wood frog egg oil. By adopting a microwave process and using ethanol as a solvent, wood frog egg oil is extracted in a microwave extraction instrument at 30 DEG C, wherein the material-to-liquid ratio is 1:7-1:11, the soaking time is 3-5 hours, the microwave time is 10-50 minutes, and the microwave power is 400-800w. The preparation method of the complete-nutrient emulsion comprises the following step: mixing the extracted wood frog egg oil with whey protein, xylitol and other raw materials to prepare the complete-nutrient emulsion according to the reasonable component proportion on the premise of satisfying the recommended quantity of specific people. The complete-nutrient emulsion has higher high-purity protein content, has the functions of lowering the blood sugar, improving sleep and the like, and is suitable for middle-aged and elderly people and corresponding patients thereof.

Description

technical field [0001] The invention relates to a preparation method for extracting Rana egg oil and its full-nutrition emulsion assisted by a microwave method, and relates to microwave extraction technology and health-care medicines. Background technique [0002] Rana, also known as snow clam and Hash ant (hashi toad), is widely distributed in various provinces in northern China, and the Northeast takes the Daxingan Mountains and the Xiaoxing'an Mountains as the main production areas. The best ones are wild forest frogs in the north of China, among them, more than three years old, black back, yellow belly, 10-12 live forest frogs per catty are the best. In the international market, the price of high-quality Rana egg oil exceeds US$1,500 per kilogram. Wild Rana resources are very precious and are national key protected animals. The forestry bureaus of provinces, cities and counties in northern my country are responsible for the wild population breeding and natural environm...

Claims

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Application Information

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IPC IPC(8): C11B1/10A61K35/65A61P3/10A61P25/20
CPCC11B1/106A61K35/65C11B1/108
Inventor 张铁华赵超
Owner JILIN UNIV
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