Preparation method of high-flavone selenium-enriched ampelopsis grossedentata granular beverage

A high-flavonoid and selenium-enriched technology, applied in the field of food processing, can solve the problems of backward processing technology, poor health care effect, loss of active ingredients, etc., and achieve the effects of long fragrance retention, reduced loss and transformation, and uniform quality.

Active Publication Date: 2017-11-03
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the backward extraction and processing technology of vine tea, the loss of active ingredients is serious, resulting in poor health care effect of the product, especially for beverage products, due to the transformation of vine tea components during the extraction process, the flavor and mouthfeel of the beverage has also changed greatly. big change

Method used

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  • Preparation method of high-flavone selenium-enriched ampelopsis grossedentata granular beverage
  • Preparation method of high-flavone selenium-enriched ampelopsis grossedentata granular beverage

Examples

Experimental program
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Effect test

Embodiment 1

[0017] 1) Wash and mash the vine tea leaves, add 25 times of water and 0.025 times of cellulase according to the weight of the vine tea leaves, carry out microwave-assisted extraction at 60°C, microwave power 150W, extraction time 1h, then filter, and put the filtrate in Concentrate under reduced pressure below 50°C to a clear paste with a relative density of 1.2;

[0018] 2) Take another rattan tea leaf, wash it and grind it into a coarse powder, then mix it with the clear paste in step 1) in a weight ratio of 8:1, freeze-dry and grind it into a fine powder that can pass through a 300-mesh sieve;

[0019] The freeze-drying procedure is as follows: first place the mixed material in a freezer with a temperature of -30°C for rapid freezing; then place the material in a vacuum drying oven with a vacuum degree of 20 Pa, and increase the temperature of the material by 2 hours per hour. The temperature was raised to 30°C at a rate of °C, and kept at 30°C for 8 hours, and then remove...

Embodiment 2

[0023] 1) Wash and crush the rattan tea leaves, add 30 times of water and 0.02 times of cellulase according to the weight of the rattan tea leaves, carry out microwave-assisted extraction at 50°C, microwave power 200W, extraction time 0.5h, then filter, and the filtrate Concentrate under reduced pressure below 50°C to a clear paste with a relative density of 1.1;

[0024] 2) Take another rattan tea leaf, wash it and crush it into a coarse powder, then mix it with the clear paste in step 1) in a weight ratio of 3:1, freeze-dry and crush it into a fine powder that can pass through a 250-mesh sieve;

[0025] The freeze-drying procedure is as follows: first place the mixed material in a freezer with a temperature of -20°C for rapid freezing; then place the material in a vacuum drying oven with a vacuum degree of 10 Pa, and increase the temperature of the material by 1 hour per hour. The temperature was raised to 40°C at a rate of °C, and kept at 40°C for 5 hours, and then removed....

Embodiment 3

[0028] 1) Wash and mash the vine tea leaves, add 10 times water and 0.05 times cellulase according to the weight of the vine tea leaves, carry out microwave-assisted extraction at 70°C, microwave power 100W, extraction time 1h, then filter, and cool the filtrate Concentrated under reduced pressure to a clear paste with a relative density of 1.3;

[0029] 2) Another rattan tea leaf was taken, washed and crushed into a coarse powder, then mixed with the clear paste in step 1) in a weight ratio of 5:1, freeze-dried and crushed into a fine powder capable of passing through a 350-mesh sieve;

[0030] The freeze-drying procedure is as follows: first place the mixed material in a freezer with a temperature of -35°C for rapid freezing; then place the material in a vacuum drying oven with a vacuum degree of 15 Pa, and increase the temperature of the material by 1.5 degrees per hour. The temperature was raised to 25°C at a rate of °C, and kept at 25°C for 10 hours, and then removed.

...

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Abstract

The invention discloses a preparation method of a high-flavone selenium-enriched ampelopsis grossedentata granular beverage. The preparation method comprises the following technological steps of extracting ampelopsis grossedentata flavone, performing freeze drying on ampelopsis grossedentata leaves, performing superfine comminution, adding inulin/selenoprotein, performing granulation, performing drying and the like. The ampelopsis grossedentata granular beverage made by the method not only has higher nutrient and health-care value but also has good sensory evaluation effects.

Description

technical field [0001] The invention relates to a preparation method of a high-flavonoid selenium-enriched rattan tea granular beverage, which belongs to the technical field of food processing. Background technique [0002] The scientific name of vine tea is toothed snake grape, commonly known as white tea, mountain sweet tea, dragon boat tea, dragon beard tea, etc., also known as longevity tea. resource. Vine tea is mainly distributed in Hunan, Hubei, Guangxi, Guangdong, Yunnan, Guizhou, Jiangxi, Fujian and other provinces and regions. It tastes sweet, light, and cool in nature. Pain, damp heat, jaundice, high blood pressure and other diseases. Whether it is used as a drink, a health product, or a medicinal plant resource, vine tea has a high development and utilization value. [0003] Studies have shown that vine tea is rich in flavonoids, and the total flavonoid content in the effective parts is about 40%. There are various types of flavonoids in vine tea, including d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/39A23L2/52A23L33/10A23L33/17
CPCA23L2/39A23L2/52A23L33/10A23L33/17A23V2002/00A23V2200/324
Inventor 李书艺祝振洲何静仁杨艳杰胡倬瑜
Owner WUHAN POLYTECHNIC UNIVERSITY
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