Processing method for cordyceps militaris fermented black tea
A processing method and technology of Cordyceps militaris are applied in the processing field of Cordyceps militaris fermented black tea, can solve the problems such as the lack of research on Cordyceps militaris black tea, and achieve the effects of preventing cardiovascular and cerebrovascular diseases, having strong tea aroma and enhancing flavor.
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Embodiment 1
[0039] A processing method of Cordyceps militaris fermented dark tea, characterized in that the production comprises the following steps: a. Selecting tea leaves: selecting fresh tea leaves, spring tea, summer tea and all types of tea;
[0040] b. Finishing: It can be done by frying or steaming or soaking green or radiation;
[0041] c. Initial kneading: use a kneading machine to knead the finished tea leaves, and wait until the young black tea leaves are formed into strips and the thick old leaves are wrinkled; the kneading machine speed is 20-60 rpm, and the kneading time is 10-20 minutes , and make up the tea moisture to 50%-90%;
[0042] d. Sterilization: Sterilize the tea leaves after rolling, and the sterility assurance level SAL is 10 -6 ;
[0043] e. Heap fermentation: the tea leaves obtained in the sterilization step are evenly mixed with the liquid strain of Cordyceps militaris in a sterile environment, put into sterile utensils, and carry out fermentation and cult...
Embodiment 2
[0054] The present invention produces 10 kg of fermented black tea from Cordyceps militaris, which consists of 9 kg of tea leaves and 1 kg of liquid strain of Cordyceps militaris.
[0055] Preparation of Cordyceps militaris liquid strain:
[0056] (1) Take the Cordyceps militaris strain, under aseptic conditions, pick a small amount of mycelium with an inoculation needle, insert it into a 9cm PDA plate, activate and cultivate it for 3 days, the culture temperature is 30°C, and natural light;
[0057] (2) After the activation culture, use an inoculation needle to pick a small amount of mycelia and transfer it to PD medium, and culture it in a shaker flask for 2 days, the culture temperature is 30°C, and the rotation speed is 20rpm;
[0058] (3) After the shake flask culture, transfer to the improved PD medium, the inoculum size is 5%, and the fermentation culture is 7 days, the culture temperature is 30°C, and the rotation speed is 20rpm;
[0059] (4) After fermentation and cult...
Embodiment 3
[0071] In this example, 50 kg of fermented black tea from Cordyceps militaris was prepared, which consisted of 42 kg of tea leaves and 8 kg of liquid strain of Cordyceps militaris.
[0072] Preparation of Cordyceps militaris liquid strain:
[0073] (1) Take the Cordyceps militaris strain, under aseptic conditions, pick a small amount of mycelium with an inoculation needle, insert it into a 9cm PDA plate, activate and cultivate for 5 days, the culture temperature is 25°C, and natural light;
[0074] (2) After the activation culture, a small amount of hyphae was picked with an inoculation needle and transferred into PD medium, and cultured in shake flasks for 6 days, the culture temperature was 20°C, and the rotation speed was 110rpm;
[0075] (3) After the shake flask culture, transfer to the improved PD medium, the inoculum size is 20%, and the fermentation culture is 14 days, the culture temperature is 20°C, and the rotation speed is 110rpm;
[0076] (4) After fermentation a...
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