A kind of natural medicinal composition for preventing and treating alcoholic liver injury and preparation method thereof
A technology of alcoholic liver damage, natural medicine, applied in the field of medicine, to achieve the effect of improving the health of the body, hindering the formation of lipid peroxide, obvious innovation and technological progress
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Embodiment 1
[0049] Embodiment 1, Preparation of total triterpene acids from loquat leaves
[0050] (1) Loquat leaves 5kg, decocted with 10 times the amount of water to extract twice, each time for 2 hours, filtered, combined the filtrate for later use; dregs were extracted twice with 6 times the amount of 80% ethanol, each time for 2 hours, filtered, Combine the filtrates, add 400g of medicinal activated carbon, stir, filter, and recover ethanol from the filtrate, concentrate, filter, and dry the filter cake to obtain the total triterpene acids of loquat leaves.
Embodiment 2
[0051] Example 2 , Preparation of total flavonoids from loquat leaves
[0052] (2) Concentrate the water extract of loquat leaves to 7500ml, pass through the pre-treated AB-8 macroporous resin column, elute with deionized water for 4 times the column volume, discard the eluent, and then wash with 60% ethanol Remove 5 times the column volume, collect the eluate, recover ethanol, and dry to obtain the total flavonoids of loquat leaves.
Embodiment 3
[0053] Example 3 1. Preparation of total flavonoids from loquat leaves 5 kg of sarcodon grape leaves, reflux extraction with 8 times the amount of 60% ethanol for 2 times, each time for 3 hours, filter, the filtrate reclaims ethanol, concentrates to 7500ml, and passes through the pre-treated AB-8 large Porous resin column, first elute with deionized water for 5 times the column volume, discard the eluent, then elute with 10% ethanol for 3 times the column volume, discard the eluent, and then elute with 65% ethanol for 4 times the column volume volume, collect the eluate, recover ethanol, and dry to obtain the total flavonoids of S. dentatus grape.
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