Preparation method of walnut green husk total tannin and application of same to antineoplastic medicines
A technology of walnut green husk and tannin, which is applied in the field of preparation of walnut green husk total tannin, can solve the problems that the research and development of anti-tumor active ingredients of walnut green husk total tannin are still blank, and achieve low production cost, high yield, high color shallow effect
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Embodiment 1
[0020] The preparation of the total tannin of embodiment 1 Yangbi soaked walnut tree walnut green husk
[0021] (1) Take 3.0kg of Yangbi walnut tree (Juglans sigillata Dode, also known as three Taiwan bubble walnut, iron walnut, deep texture bubble walnut, tea bubble walnut, etc.) walnut green peel as raw material, after drying and crushing, the mass ratio is 1 : 4 add 95% ethanol solution, extract 3 times with normal pressure reflux extraction device, each time for 72h, filter, and the filtrate is concentrated under reduced pressure to 5% of the original volume to obtain a crude extract;
[0022] (2) Add water with 3 times the mass of the crude extract, stir, add 3 times the mass of the crude extract with n-hexane for extraction, extract 4 times, separate, add dichloromethane with 3 times the mass of the crude extract to the remaining phase of the normal hexane extraction Methane extraction, extraction 3 times, separation, adding ethyl acetate with 3 times the mass of the cru...
Embodiment 2
[0024] The preparation of embodiment 2 wild walnut tree walnut green husk total tannins
[0025] (1) With dry, pulverized 4.0kg wild walnut tree (Juglans cathayensis Dode, another name Pakistani walnut, hickory nut etc.) walnut green skin is raw material, each with 10kg 80% ethanol water ultrasonic extraction 2 times, each 1h, filter, The filtrate was concentrated under reduced pressure to 2% of the original volume to obtain a crude extract;
[0026] (2) Add 2 times the water of the crude extract quality, stir, add 2 times the crude extract quality of n-hexane for extraction, extract 4 times, separate, add 2 times the crude extract quality of dichloride to the remaining phase of the normal hexane extraction Methane extraction, extraction 4 times, separation, adding ethyl acetate twice the mass of the crude extract to the remaining phase of dichloromethane extraction, extraction 4 times, separating the ethyl acetate extraction phase and the final water phase;
[0027] (3) Conc...
Embodiment 3
[0028] The preparation of embodiment 3 walnut catalpa walnut green husk total tannins
[0029] (1) With 5.0kg of dry, pulverized walnut green bark (Juglans mandshurica Maxim, having another name called Juglans mandshurica Maxim, etc.) as raw material, it is 1: 20 by mass ratio to add the ethanol aqueous solution that volume percent concentration is 70%, heat 35 Extract at ~40°C for 5 times, each time for 24 hours, filter, and concentrate the filtrate to 10% of the original volume under reduced pressure to obtain a crude extract;
[0030] (2) Add water with 4 times the mass of the crude extract, stir, add 6 times the mass of the crude extract with n-hexane for extraction, extract 2 times, separate, add dichloromethane with 6 times the mass of the crude extract to the remaining phase of the normal hexane extraction Methane extraction, extraction 2 times, separation, adding ethyl acetate with 6 times the mass of the crude extract to the remaining phase of dichloromethane extracti...
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