Extraction method for green tea extract
A technology of green tea extract and extraction method, which is applied in the field of extraction of green tea extract, can solve the problems of unsatisfactory extraction effect, high equipment cost, unfriendly environment and the like, and achieves the advantages of reduced processing steps, high safety and reduced cost. Effect
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Embodiment 1
[0025] A method for extracting green tea extract, comprising the following steps:
[0026] (1) Wet the dry green tea with water, and adjust the moisture content of the green tea to 35% by continuously spraying the dry green tea with water;
[0027] (2) Put the green tea treated in step (1) into a pressurized container, adjust the temperature in the container to 40°C, and pressurize the container. When the pressure in the container reaches 1.6 standard atmospheric pressure, open the container to spray The tea leaves are sprayed out of the pressurized container under the action of air pressure. After the tea leaves are cooled to room temperature, put the tea leaves into the decompression container, adjust the temperature in the container to 20°C, and decompress the container until the pressure in the container is 0.4 When the standard atmospheric pressure is reached, open the nozzle of the container and collect the tea leaves for later use;
[0028] (3) drying the green tea tre...
Embodiment 2
[0038] A method for extracting green tea extract, comprising the following steps:
[0039] (1) Wet the dry green tea with water, and adjust the moisture content of the green tea to 45% by continuously spraying water on the dry green tea;
[0040] (2) Put the green tea treated in step (1) into a pressurized container, adjust the temperature in the container to 80°C, and pressurize the container. When the pressure in the container reaches 2.4 standard atmospheric pressure, open the container to spray The tea leaves are sprayed out of the pressurized container under the action of air pressure. After the tea leaves are cooled to room temperature, put the tea leaves into the decompression container, adjust the temperature in the container to 30°C, and depressurize the container until the pressure in the container is 0.6. When the standard atmospheric pressure is reached, open the nozzle of the container and collect the tea leaves for later use;
[0041] (3) drying the green tea tr...
Embodiment 3
[0051] A method for extracting green tea extract, comprising the following steps:
[0052] (1) Wet the dry green tea with water, and adjust the moisture content of the green tea to 40% by continuously spraying water on the dry green tea;
[0053] (2) Put the green tea treated in step (1) into a pressurized container, adjust the temperature in the container to 60°C, and pressurize the container. When the pressure in the container reaches 2.1 standard atmospheric pressure, open the container to spray The tea leaves are sprayed out of the pressurized container under the action of air pressure. After the tea leaves are cooled to room temperature, put the tea leaves into the decompression container, adjust the temperature in the container to 25°C, and decompress the container until the pressure in the container is 0.5. When the standard atmospheric pressure is reached, open the nozzle of the container and collect the tea leaves for later use;
[0054] (3) drying the green tea trea...
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