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Preparation method for golden camellia solid beverage

A technology of golden camellia tea and solid beverage, which is applied in tea treatment before extraction, etc. It can solve the problems of high bitterness index of catechins, unfavorable green color of golden camellia tea solid drink, affecting the taste of golden camellia tea solid drink, etc., and achieves good Scavenging effect, good antioxidant activity, effect of improving resource utilization

Inactive Publication Date: 2019-04-05
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the current processing technology of golden camellia tea products, high-temperature curing is usually used to remove the green and astringent taste of the leaves. However, after the fresh leaves are greened, under the action of heat and humidity, the chlorophyll undergoes hydrolysis or demagnesification reaction, forming a dark olive green charred demagnesium. Dephytochlorophyll or pyropheophytin is unfavorable to the green color of golden camellia tea solid beverage
In addition, due to the high content of ester-type catechins and caffeine in the fresh leaves of Camellia chrysalis, the bitterness index of catechins is large, which will affect the taste of solid beverages of Camellia chrysalis

Method used

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  • Preparation method for golden camellia solid beverage
  • Preparation method for golden camellia solid beverage
  • Preparation method for golden camellia solid beverage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1 A kind of preparation method of golden camellia tea solid beverage

[0058] Specific steps are as follows:

[0059] (1) Selection of raw materials: Picking free from pests and diseases, free from rot and withering, fresh golden flower tea leaves within one year of growth, removing grass clippings, branches and other impurities;

[0060] (2) Spreading and airing: spread the selected Jinhua tea leaves at 35°C and 60% humidity for 3 hours, with a thickness of about 3 cm, and turn them over every 1 hour;

[0061] (3) Fixing: after drying, use 75°C steam to fix the golden flower tea leaves for 1.5 hours, and immediately cool them to room temperature with cold water after finishing;

[0062] (4) Green protection: Soak the cooled Chrysanthemum japonica leaves in a solution of 0.3% zinc acetate for 1 hour, and rinse with clean water after the end;

[0063] (5) Remove astringency: soak the golden camellia leaves obtained in step (4) with egg white solution with a ...

Embodiment 2

[0066] Embodiment 2 A kind of preparation method of golden camellia tea solid beverage

[0067] Specific steps are as follows:

[0068] (1) Selection of raw materials: Picking free from pests and diseases, free from rot and withering, fresh golden flower tea leaves within one year of growth, removing grass clippings, branches and other impurities;

[0069] (2) Spreading and airing: spread the selected tea leaves of Chrysanthemum japonica at 30°C and 60% humidity for 4 hours, with a thickness of about 4cm, and turn them over every 1 hour;

[0070] (3) Fixing: after drying, blanching the Xianmai Jinhua tea leaves for 1 hour at 80°C, and cooling to room temperature with cold water immediately after finishing;

[0071] (4) Green protection: Soak the cooled Chrysanthemum japonica leaves in a zinc acetate solution with a concentration of 0.2% by mass for 80 minutes, and rinse with clean water after the end;

[0072] (5) Remove astringency: Soak the golden camellia leaves obtained ...

Embodiment 3

[0075] Embodiment 3 A kind of preparation method of golden camellia tea solid beverage

[0076] Specific steps are as follows:

[0077] (1) Selection of raw materials: Picking free from pests and diseases, free from rot and withering, fresh golden flower tea leaves within one year of growth, removing grass clippings, branches and other impurities;

[0078] (2) Spreading and airing: spread and air the selected golden japonica tea leaves at 40°C and 50% humidity for 2 hours, with a thickness of about 3 cm, and turn them over every 1 hour;

[0079] (3) Fixing: After drying, use 85°C steam to fix the golden flower tea leaves for 1 hour, and immediately cool them to room temperature with cold water after finishing;

[0080] (4) Green protection: Soak the cooled Chrysanthemum japonica leaves in a solution of 0.5% zinc acetate for 40 minutes, and rinse with clean water after the end;

[0081] (5) Remove astringency: Soak the golden camellia leaves obtained in step (4) with a soybea...

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Abstract

The invention discloses a preparation method for a golden camellia solid beverage. The preparation method comprises the following steps: selecting raw materials; airing; deactivating enzymes; protecting green; removing bitterness; drying; smashing. The solid beverage prepared according to the invention has the characteristics that the original bitterness is removed through the steps of deactivating enzymes, protecting green, and the like, original emerald green color of golden camellia is maintained, grains are uniform, and the solid beverage is fragrant, has the flavor of dimethyl sulfide andtastes fine, smooth and mellow; the golden camellia solid beverage has high oxidation resistance, has an excellent removing effect to DPPH free radicals and ABTA free radicals and has an excellent reduction effect to ferric ions. The characteristics of golden camellia are fully utilized by the preparation technology according to the invention; leaves after deactivation of enzymes are directly taken as raw materials; production process of tea solid beverages is simplified; process flow is shortened; energy and cost are saved; nutrient substance loss is reduced; active ingredients, such as teapolyphenol and amino acids, in tea leaves are extremely maintained; the golden camellia resource is reasonably utilized; a new method is supplied for development of golden camellia.

Description

technical field [0001] The invention relates to the technical field of deep processing of golden camellia tea, in particular to a preparation method of golden camellia tea solid beverage. Background technique [0002] Golden camellia is a Camellia family plant distributed in parts of Guangdong and Guangxi, belonging to evergreen shrubs or small trees. With the deepening of research, people found that golden camellia tea leaves are rich in nutrients such as tea polyphenols, flavonoids, polysaccharides, reducing sugars, proteins, amino acids, vitamins and various trace elements. Minorities in Guangxi have the habit and experience of treating diseases with golden camellia tea; folks are also commonly used to treat pharyngitis, high blood pressure, greasy weight loss, and increase appetite; golden camellia tea can lower blood sugar, blood pressure, blood fat, inhibit tumor growth, prevent Atherosclerosis plays an important role. Therefore, golden camellia tea has good health c...

Claims

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Application Information

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IPC IPC(8): A23F3/14A23F3/06
CPCA23F3/06A23F3/14
Inventor 吴雪辉陈嘉慧周睿
Owner SOUTH CHINA AGRI UNIV
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