Preparation method of hazel leaf extract
The technology of extract and hazel leaf is applied in the field of preparation of hazel leaf extract, can solve problems such as waste of hazel leaf, achieve the effect of simple preparation method and prevention of cardiovascular and cerebrovascular diseases
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[0007] Embodiment 1: The preparation method of the hazel leaf extract of the present embodiment is carried out according to the following steps: 1. Picking disease-free Corylus plant leaves and washing them with water; 2. Treating the Corylus plant leaves in step 1 Place it under normal pressure drying or drying under reduced pressure at a temperature of 30°C to 100°C, and dry to the extent that the moisture in the hazel leaves is less than or equal to 3% (mass); 3. The hazel leaves dried in step 2 are pulverized into a fineness of 120-20-mesh granules to obtain hazel leaf powder; 4. Weigh the hazel leaf powder and water obtained through step 3 according to the mass ratio of hazel leaf powder and water as 1:40~60, and immerse the hazel leaf powder in water, Under the condition that the temperature is 15°C to 100°C, extraction is performed for 0.5 min to 120 min, and the solid matter is removed by filtration to obtain the hazel leaf extract.
[0008] The preparation method of t...
Example Embodiment
[0009] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the Corylus plants described in step 1 are flat hazel, hair hazel, thorn hazel, Sichuan hazel, Hua hazel, velvet hazel, Dian hazel, Wei Xi One of hazelnut, hazelnut thorn, hazelnut, and hazelnut, or a hybrid of any two of them. Others are the same as the first embodiment.
Example Embodiment
[0010] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the drying temperature in step 2 is 35°C to 80°C. Others are the same as in the first or second embodiment.
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