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Manufacturing process of water fennel green tea

A production process, a technology of cress green tea, applied in the direction of tea substitutes, etc., can solve the problems of perishable, difficult to store and transport, and high water content of cress raw materials, and achieves long aftertaste, is beneficial to human health, and has a fresh, mellow and refreshing taste. Effect

Active Publication Date: 2013-08-21
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a production process of watercress green tea, which uses watercress as a raw material and processes it into a tea-like product through pretreatment, green removal, water removal, secondary green removal, rolling, and drying processes, which not only solves the water content of cress raw materials High, easy to rot and difficult to store and transport, and the functional ingredients contained in cress itself are beneficial to human health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) material selection

[0026] The selected cress is botanically classified as Umbelliferae, the genus Cress, and its Latin name is Oenanthe javanica. Fresh, non-damaged cress plants are used as raw materials in its mature stage.

[0027] (2) Pretreatment

[0028] Remove the root of the cress, and cut the rest into 5-6cm long pieces.

[0029] (3) Finished

[0030] Choose an iron pot-type degreening machine, and the decapitation temperature is 100°C. When the pot temperature rises to the required temperature, pour the processed cress into the pot, and the volume of the raw materials is about 50% of the capacity of the decapitation pot. The decapitation time The water loss rate of raw materials in this step is about 15%.

[0031] (4) Water removal

[0032] Due to the high water content of fresh water celery, generally greater than 90%, a large amount of water will overflow from the surface of water celery during the greening process, and it will be removed by centrif...

Embodiment 2

[0041] (1) material selection

[0042] The selected cress is botanically classified as Umbelliferae, the genus Cress, and the Latin name is Oenanthejavanica. In its mature stage, fresh, non-damaged cress plants are used as raw materials.

[0043] (2) Pretreatment

[0044] Remove the root of the cress, and cut the rest into 5-6cm long pieces.

[0045] (3) Finished

[0046] Choose an iron pot-type degreening machine, the decapitation temperature is 90°C, when the pot temperature rises to the required temperature, pour the treated watercress into the pot, and the volume of raw materials added accounts for about 40% of the capacity of the decapitation pot, and the decapitation time The water loss rate of raw materials in this step is about 15%.

[0047] (4) Water removal

[0048] Due to the high water content of fresh water celery, which is generally greater than 90%, a large amount of water will overflow from the surface of water celery during the greening process, and it wil...

Embodiment 3

[0057] (1) material selection

[0058] The selected cress is botanically classified as Umbelliferae, the genus Cress, and its Latin name is Oenanthe javanica. Fresh, non-damaged cress plants are used as raw materials in its mature stage.

[0059] (2) Pretreatment

[0060] Remove the root of the cress, and cut the rest into 5-6cm long pieces.

[0061] (3) Finished

[0062] Choose an iron pot-type degreening machine, the decapitation temperature is 110°C, when the pot temperature rises to the required temperature, pour the treated cress into the pot, and the volume of the raw materials is about 60% of the capacity of the decapitation pot, and the decapitation time The water loss rate of raw materials in this step is about 15%.

[0063] (4) Water removal

[0064] Due to the high water content of fresh water celery, generally greater than 90%, a large amount of water will overflow from the surface of water celery during the greening process, and it will be removed by centrifug...

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Abstract

The invention discloses a manufacturing process of water fennel green tea. The manufacturing process comprises the following steps of: (1) removing the stump of water fennel, and cutting remaining part into small sections of 5-6cm in length; (2) at the temperature of 90-110 DEG C, pouring the treated water fennel into a water-removing pot for primary water removing, wherein the volume of the dropped water fennel accounts for 40-60% of the volume of the water-removing pot, and the primary water removing lasts 8-12 minutes; (3) removing the water on the surface of the water fennel after primary water removing; (4) repeating step (2) to perform secondary water removing; (5) rolling the water fennel after secondary water removing for 15-20 minutes to obtain thin strip-shaped semi-finished products; and (6) spreading the semi-finished products on a drying machine with a thickness of 3-5cm, and drying at the temperature of 55-65 DEG C till the water content is not changed so as to obtain the water fennel green tea. The water fennel is taken as a raw material, and is processed into a tea product through the working procedures of pretreatment, water removing, water removal, secondary water removing, rolling and drying; the water fennel green tea solves the problems that the water fennel raw material is high in water content, easy to decay and difficult to store and transport; and meanwhile, functional components contained in the water fennel are also beneficial to human health.

Description

technical field [0001] The invention relates to the technical field of green tea production, in particular to a production process of cress green tea. Background technique [0002] Green tea, also known as non-fermented tea. Green tea is made without fermentation, so it retains more natural substances of fresh leaves, and contains more nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids, and vitamins. These natural nutrients in green tea have special effects on anti-aging, anti-cancer, anti-cancer, sterilization, anti-inflammatory, etc. [3], which are beyond the reach of other teas. Green tea is a kind of tea made from suitable new shoots of tea trees as raw materials through typical processes such as greening, rolling, and drying. Its dry tea color and brewed tea paste and the bottom of the leaves take green as the main tone, hence the name green tea. Green tea is made by picking the fresh leaves first through high temperature killing, killin...

Claims

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Application Information

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IPC IPC(8): A23F3/34
Inventor 陈健初章宏慧叶兴乾刘东红吴丹胡亚芹
Owner ZHEJIANG UNIV
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