Oxygen-isolating microwave fixation method for high-quality tea
A microwave killing green, high-quality technology, which is applied in the field of tea processing, can solve the problems of unfavorable tea preservation, affecting tea quality, and reducing the aging speed, and achieves the advantages of reducing the generation of organic free radicals, improving the appearance quality, and reducing the aging speed. Effect
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[0030] Example 1:
[0031] An oxygen-isolating microwave-sterilizing method for high-quality tea, comprising the following steps:
[0032] (1) Please refer to figure 1 , adopt the microwave fixing device with the inflating and protecting gas device 2 and the vacuuming device 3 to carry out the microwave fixing of tea leaves;
[0033] (2) setting the temperature in the microwave drying warehouse 1 to be 150°C, and preheating the microwave drying warehouse 1;
[0034] (3) after the temperature in the microwave-killing warehouse 1 reaches the set temperature and is stable, put 2.0kg of fresh leaves of Longjing green tea into the microwave-killing warehouse 1, and immediately seal the microwave-killing warehouse 1;
[0035] (4) adopt the vacuuming device 3 to vacuumize the microwave drying warehouse 1 to below absolute pressure 0.01MPa, and adopt the inflatable protective gas device 2 to fill nitrogen in the microwave curing warehouse 1 to the absolute pressure in the microwave ...
Example Embodiment
[0038] Example 2:
[0039] An oxygen-isolating microwave-sterilizing method for high-quality tea, comprising the following steps:
[0040] (1) Please refer to figure 1 , adopt the microwave fixing device with the inflating and protecting gas device 2 and the vacuuming device 3 to carry out the microwave fixing of tea leaves;
[0041] (2) setting the temperature in the microwave drying warehouse 1 to be 120 °C, and preheating the microwave drying warehouse 1;
[0042] (3) after the temperature in the microwave-killing warehouse 1 reaches the set temperature and stabilizes, put 3.0kg of fresh leaves of Longjing green tea into the microwave-killing warehouse 1, and immediately seal the microwave-killing warehouse 1;
[0043] (4) adopt vacuum pumping device 3 to evacuate the degree of vacuum in the microwave drying warehouse 1 to below absolute pressure 0.01MPa, and adopt the inflatable protective gas device 2 to fill carbon dioxide in the microwave drying warehouse 1 to the absol...
Example Embodiment
[0046] Example 3:
[0047] An oxygen-isolating microwave-sterilizing method for high-quality tea, comprising the following steps:
[0048] (1) Please refer to figure 1 , adopt the microwave fixing device with the inflating and protecting gas device 2 and the vacuuming device 3 to carry out the microwave fixing of tea leaves;
[0049] (2) setting the temperature in the microwave drying warehouse 1 to be 180 °C, and preheating the microwave drying warehouse 1;
[0050] (3) after the temperature in the microwave-killing warehouse 1 reaches the set temperature and stabilizes, put 3.0kg of fresh leaves of Longjing green tea into the microwave-killing warehouse 1, and immediately seal the microwave-killing warehouse 1;
[0051] (4) The vacuuming device 3 is used to evacuate the microwave drying chamber 1 to an absolute pressure below 0.01MPa, the protective gas device 2 is used to fill the microwave drying chamber 1 with nitrogen for protection, and nitrogen is continuously suppli...
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