Making method of peony flower bud tea
A production method and flower bud tea technology are applied in the production field of peony flower bud tea, which can solve the problems of high hot air drying temperature, destruction of nutrient components of flowers, changes in flower shape and color, etc. The effect of saving time
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Embodiment 1
[0023] A kind of preparation method of peony bud tea, comprises the following steps:
[0024] (1) Collection: At the end of March, in the early morning, collect the buds of Fengdanbai peony that are about to bloom, and then put them into a fresh-keeping container with ice packs;
[0025] (2) Freezing: Remove the outer green sepals and redundant pedicels in a cool place, and store the flower buds in a -25°C refrigerator for 72 hours, until the temperature of the center of the flower buds reaches -25°C;
[0026] (3) Vacuum drying: Place the flower buds frozen in step (2) in a single layer on the drying tray of a vacuum freeze dryer, quickly cover with a vacuum cover, seal tightly, and vacuum dry until the center temperature of the flower buds reaches 25°C;
[0027] The cold trap temperature of the vacuum freeze dryer is -55°C; the vacuum degree of the vacuum drying is 1Pa, and the time is 36h;
[0028] (4) Preservation: Store the flower buds treated in step (3) in scented tea c...
Embodiment 2
[0030] A kind of preparation method of peony bud tea, comprises the following steps:
[0031] (1) Collection: At the beginning of April, in the early morning, collect the buds of Fengdanbai peony that are just transparent and about to bloom, and then put them into a fresh-keeping container with ice packs;
[0032] (2) Freezing: Remove the outer green sepals and redundant pedicels in a cool place, and store the flower buds in a -50°C refrigerator for 48 hours, until the center temperature of the flower buds reaches -30°C;
[0033] (3) Vacuum drying: Place the flower buds frozen in step (2) in a single layer on the drying tray of a vacuum freeze dryer, quickly cover with a vacuum cover, seal tightly, and vacuum dry until the center temperature of the flower buds reaches 30°C;
[0034] The cold trap temperature of the vacuum freeze dryer is -60°C; the vacuum degree of the vacuum drying is 2Pa, and the time is 66h;
[0035] (4) Preservation: Store the flower buds treated in step ...
Embodiment 3
[0037] A kind of preparation method of peony bud tea, comprises the following steps:
[0038] (1) Collection: In mid-April, in the early morning, collect the buds of Fengdanbai peony that are about to bloom, and then put them into a fresh-keeping container with ice packs;
[0039] (2) Freezing: Remove the outer green sepals and redundant pedicels in a cool place, and store the flower buds in a -40°C refrigerator for 54 hours, until the temperature of the center of the flower buds reaches -35°C;
[0040] (3) Vacuum drying: place the flower buds frozen in step (2) in a single layer on the drying tray of a vacuum freeze dryer, quickly cover with a vacuum cover, seal tightly, and vacuum dry until the center temperature of the flower buds reaches 26°C;
[0041] The temperature of the cold trap of the vacuum freeze dryer is -50°C; the vacuum drying described in step (3) is at a vacuum of 5Pa, and the time is 72h;
[0042] (4) Preservation: Store the flower buds treated in step (3) ...
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