Preparation method of rhizoma gastrodiae freeze-dried decoction pieces
A technology of gastrodia elata and freeze-drying, which is applied to pharmaceutical formulations, medical preparations containing active ingredients, plant raw materials, etc., can solve the problems of inability to preserve gastrodin content to the greatest extent, low gastrodin content, etc. Good stability, simple and controllable preparation process
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example 1
[0019] 1 recipe
[0020] Fresh gastrodia elata 100g
[0021] 2 Preparation process
[0022] (1) Screening and cleaning: Screen and classify fresh Gastrodia elata, remove soil impurities and wash;
[0023] (2) Steaming and slicing: steam the washed Gastrodia elata to kill enzymes, and cut into pieces with a thickness of 0.2cm, a length of 3cm, and a width of 1cm;
[0024] (3) Freeze-drying: Place the fresh Gastrodia elata slices in step (2) in a freeze dryer, pre-freeze at -20°C, dry at 20°C, and dry for 2 hours;
[0025] (4) Packing the freeze-dried decoction pieces of Gastrodia elata obtained.
example 2
[0027] 1 recipe
[0028] Fresh gastrodia elata 100g
[0029] 2 Preparation process
[0030] (1) Screening and cleaning: Screen and classify fresh Gastrodia elata, remove soil impurities and wash;
[0031] (2) Steaming and slicing: steam the washed Gastrodia elata to kill enzymes, and cut into pieces with a thickness of 0.4cm, a length of 4cm, and a width of 2cm;
[0032] (3) Freeze-drying: place the fresh Gastrodia elata slices in step (2) in a freeze dryer, pre-freeze at -25°C, dry at 25°C, and dry for 2.5 hours;
[0033] (4) Packing the obtained Gastrodia elata lyophilized honey decoction pieces to obtain the product.
example 3
[0035] 1 recipe
[0036] Fresh gastrodia elata 100g
[0037] 2 Preparation process
[0038] (1) Screening and cleaning: Screen and classify fresh Gastrodia elata, remove soil impurities and wash;
[0039] (2) Steaming and slicing: steam the washed Gastrodia elata to kill enzymes, and cut into pieces with a thickness of 0.6cm, a length of 5cm, and a width of 3cm;
[0040] (3) Freeze-drying: place the fresh Gastrodia elata slices in step (2) in a freeze dryer, pre-freeze at -30°C, dry at 30°C, and dry for 3 hours;
[0041] (4) Packing the freeze-dried decoction pieces of Gastrodia elata obtained.
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