Camellia nitidissima tea and processing technology thereof

A processing technology, golden camellia technology, which is applied in the field of golden camellia and its processing technology, can solve the problems of flower vitamin C and vitamin E component loss, long drying time, and reduced commerciality, so as to avoid easy discoloration, facilitate storage, High practical effect

Inactive Publication Date: 2017-05-10
GUANGXI GUILIN TEA RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are certain defects in the processing technology of camellia japonica, which may easily cause the product to shrink in shape and brown in color, thus affecting the appearance of the product and resulting in a decline in its commerciality. The product has a strong green aroma and bitter taste, long drying time and high energy consumption during processing
[0004] The Chinese patent application with the application number 200710148634.1 discloses a processing method of camellia camellia scented tea. First, the flowers are steamed and then dried. The temperature of the flowers in the steam blanching is as high as 100°C. In this way, it is easy to cause vitamin C in the flowers. , loss of vitamin E ingredients, and easy to deform, shrink and change color

Method used

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  • Camellia nitidissima tea and processing technology thereof
  • Camellia nitidissima tea and processing technology thereof
  • Camellia nitidissima tea and processing technology thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0053] The processing technology of Camellia japonica provided by the present embodiment comprises the following steps:

[0054] a. Pick the flowers of Camellia japonica in the fresh flower bud stage, wither the flowers for 3 hours at 23°C, and the thickness of the flowers is 3cm;

[0055] b. Lay the withered flowers in a single layer on the conveyor belt of the microwave killing machine, adjust the frequency of the microwave killing machine to 2400MHz, the power to 13.5kW, and the speed to 300rpm, and set the transmission speed of the conveyor belt to 1.6m / min. The flowers are cleaned by microwave until the water content of the flowers is 70wt%;

[0056] c. Lay the flowers in a single layer on a sieve, and pre-freeze at -20°C for 3 hours;

[0057] d. Put the pre-frozen flowers into a vacuum dryer to dry. When the temperature of the refrigeration tube of the vacuum dryer reaches -20°C, turn on the vacuum system. When the vacuum pressure is -0.12MPa, turn on the vacuum dryer. ...

Embodiment 2

[0061] The processing technology of Camellia japonica provided by the present embodiment comprises the following steps:

[0062] a. Pick fresh flowers of Camellia japonica in the flowering stage, wither the flowers for 4 hours at 28° C., and spread the flowers to a thickness of 4 cm;

[0063] b. Lay the withered flowers in a single layer on the conveyor belt of the microwave killing machine, adjust the frequency of the microwave killing machine to 2500MHz, the power to 13.5kW, and the speed to 350rpm, and set the transmission speed of the conveyor belt to 2.66m / min. The flowers are microwaved until the water content of the flowers is 75wt%;

[0064] c. Cool the flowers to 25°C, and then spray the auxiliary liquid on the flowers. The spraying amount of the auxiliary liquid is 30mL / m 2 , the auxiliary liquid is a mixture of honey and the extraction liquid of camellia camellia flowers, the volume ratio of honey and extraction liquid is 1:6, and the flowers need to be turned twic...

Embodiment 3

[0070] The processing technology of Camellia japonica provided by the present embodiment comprises the following steps:

[0071] a. Picking fresh flowers of Camellia japonica at the flowering stage, withering the flowers for 3.5 hours at 25° C., and spreading the flowers to a thickness of 3 cm.

[0072] b. Lay the withered flowers in a single layer evenly on the conveyor belt of the microwave cleaning machine, adjust the frequency of the microwave cleaning machine to 2450MHz, the power to 13.5kW, and the speed to 300rpm, and set the transmission speed of the conveyor belt to 1.6m / min , microwave the flowers until the water content of the flowers is 70wt%;

[0073] c. Cool the flowers to 18°C, then lay the flowers in a single layer, and pre-freeze them at -15°C for 3 hours;

[0074] d. Put the pre-frozen flowers into the vacuum dryer to dry. When the temperature of the refrigeration tube of the vacuum dryer reaches -20°C, turn on the vacuum system. When the vacuum pressure is ...

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Abstract

The invention provides camellia nitidissima tea and a processing technology thereof and relates to the technical field of tea. The processing technology of camellia nitidissima tea comprises steps as follows: fresh flowers of camellia nitidissima are withered and subjected to microwave fixation under 2,400-2,500 MHz till the water content is 70wt%-75wt%; the flowers are precooled at the temperature of subzero 20 DEG C-subzero 15 DEG C for 3-5 h and dried under the conditions of minus 0.12-minus 0.08 MPa and the temperature of 35-45 DEG C till the water content of the flowers is 11wt%-15wt%; the flowers are dried at 95-105 DEG C for 10-15 min. By means of the processing technology of camellia nitidissima tea, the shape and the color of camellia nitidissima flowers can be kept, and the astringent taste of the camellia nitidissima tea is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of teas, in particular to golden camellia tea and its processing technology. Background technique [0002] Camellia japonica belongs to the Camellia family Theaceae Camellia. It is a precious and rare ornamental plant in the world. It has good health care and medicinal value for the human body. It contains a variety of tea polyphenols, tea polysaccharides, amino acids, vitamins, flavonoids, and saponins. As well as trace elements and other beneficial nutrients needed by the human body; it has the functions of antibacterial and anti-inflammatory, enhancing liver and kidney vitality, preventing atherosclerosis, and inhibiting tumor growth. [0003] Camellia japonica flowers are one of the largest types of plants in the Camellia japonica group. The petals are golden yellow and translucent waxy. The flowers are thick and the water content of the flowers is more than 85%. In the prior art, there are certain defe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/34
CPCA23F3/34
Inventor 林国轩罗小梅韦静峰韦柳花刘初生庞月兰刘晓东苏敏刘玉芳
Owner GUANGXI GUILIN TEA RES INST
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