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Technology for improving aroma of fumigated tea cream or tea powder by heating tea with hot air

A technology of hot air heating and tea, which is applied in the direction of tea spices, etc., can solve the problems of aroma loss and affecting the drinking value of tea paste, and achieve the effect of ensuring utilization and good taste absorption

Active Publication Date: 2012-12-05
YUNNAN GONGRUNXIANG TEA IND DEV CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the extraction, concentration, and drying process of Puer tea paste or tea powder, although most of the effective substances in the tea can be guaranteed, enterprises also use various extraction, concentration, and drying techniques during the processing process, but a large amount of aroma is lost. Some processing companies add spices and essences, which seriously affects the drinking value of tea paste

Method used

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  • Technology for improving aroma of fumigated tea cream or tea powder by heating tea with hot air

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment one: fumigation of cooked tea paste or tea powder

[0024] Take 30 kg of ripe Pu-erh tea leaves with excellent aroma, and place them evenly on a shelf for placing tea leaves built with about 15 layers of stainless steel screens. The aperture of the screens is 60 mesh, and the thickness of each layer of tea leaves is 30 mm. Put the shelves for placing tea leaves in a closed stainless steel tea container with a volume of 500 liters, or other heat-resistant, odor-free containers that meet food processing requirements. Heat the air in the tea container in a closed environment, and control the heating of the hot air blower through the thermometer installed on the tea container: raise the temperature in the container to 85 degrees and keep it for at least 20 minutes; install a stainless steel valve with a gate valve on the top of the tea container The air-introduction pipe, the outlet end of the air-induction pipe is connected with the coil condenser, and the coil ...

Embodiment 2

[0026] Embodiment two: fumigation of raw tea paste or tea powder

[0027] Take 30 kg of raw Pu-erh tea leaves with excellent aroma, and place them evenly on a shelf for placing tea leaves built with about 15 layers of stainless steel screen mesh. The aperture of the screen mesh is 60 mesh, and the thickness of each layer of tea leaves is 30 mm. Put the shelves for placing tea leaves in a closed stainless steel tea container with a volume of 500 liters, or other heat-resistant, odor-free containers that meet food processing requirements. Heat the air in the tea container in a closed environment, and control the heating of the hot air blower through the thermometer installed on the tea container: raise the temperature in the container to 65-70 degrees and keep it for at least 20 minutes; install a gate valve on the top of the tea container Stainless steel air-introduction pipe, the outlet end of the air-induction pipe is connected with the coil condenser, the coil condenser is p...

Embodiment 3

[0029] Embodiment three: fumigation of black tea paste or tea powder

[0030] Take 30 kg of black tea leaves with excellent aroma, and place them evenly on a shelf for placing tea leaves built by about 15 layers of stainless steel screens. The aperture of the screen is 60 mesh, and the thickness of each layer of tea leaves is 40-50 mm. Put the shelves for placing tea leaves in a closed stainless steel tea container with a volume of 500 liters, or other heat-resistant, odor-free containers that meet food processing requirements. Heat the air in the tea container in a closed environment, and control the heating of the hot air blower through the thermometer installed on the tea container: raise the temperature in the container to 70 degrees and keep it for at least 20 minutes; install a stainless steel valve with a gate valve on the top of the tea container The air-introduction pipe, the outlet end of the air-induction pipe is connected with the coil condenser, and the coil conde...

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Abstract

The invention provides a technology for improving aroma of fumigated tea cream or tea powder by heating tea with hot air. Tea is put onto multiple layers of stainless steel screen cloth in a container to be heated by hot air to enable tea aroma to be fully released; the cooled tea aroma is connected into the fumigated tea cream or tea powder in the other sealed container; according to principles that the air pressure of the tea cream or tea powder and the air pressure of the fumigated tea aroma are balanced, the natural tea aroma in the tea cream or tea powder is improved due to the fact thatthe tea cream or tea powder has a good aroma adsorption capability, thereby being an effective path for improving the quality of the tea cream or tea powder; the use amount ratio of the tea and the tea cream or tea powder is that tea aroma generated by at least two parts of tea is used for fumigating one part of tea cream or tea powder; and as most of the effective tea cream extraction substance still exists, the heated tea can be continuously used for extracting the tea cream; and therefore, the raw material is guaranteed to be fully utilized.

Description

technical field [0001] The invention relates to the field of tea processing, especially a technique for heating tea leaves with hot air to fumigate tea paste or tea powder to enhance aroma. Background technique [0002] During the extraction, concentration, and drying process of Puer tea paste or tea powder, although most of the effective substances in the tea can be guaranteed, enterprises also use various extraction, concentration, and drying techniques during the processing process, but a large amount of aroma is lost. Some processing companies add spices and essences, which seriously affects the drinking value of tea paste. Contents of the invention [0003] In view of the above-mentioned deficiencies, the present invention proposes a process of heating tea leaves with hot air to fumigate tea paste or tea powder to enhance the aroma. Based on the principle, as well as the better aroma adsorption capacity of tea paste or tea powder, through fumigation and adsorption, t...

Claims

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Application Information

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IPC IPC(8): A23F3/40
Inventor 张光辉谭国洪
Owner YUNNAN GONGRUNXIANG TEA IND DEV CO LTD
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