Phenolic glycosides composition of starwort undersaturation polyoses and antiviral application method of preparing the same
An unsaturated, antiviral drug technology, applied in antiviral agents, medical preparations containing active ingredients, plant/algae/fungus/moss components, etc.
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[0023] One), the preparation method of this product comprises the following steps:
[0024] 1. The first method is to extract the aqueous solution after washing the fresh whole grass of chickweed or other chickweed plants, crushing them, and obtaining liquid A after precipitation, centrifugation or filtration of the aqueous solution; Liquid A passes through the pre-treated macroporous resin column to absorb the components of the composition, washes it with water, washes the column with hot distilled water after heating the macroporous resin column and collects the dark brown distilled water that flows out, and then uses After heating, lower alcohols with a concentration below 60% are eluted from the resin column, and the eluted brown-red or dark brown-red solution is collected. The brownish-red or dark brownish-red solution is recovered from ethanol and combined with the collected dark brown aqueous solution, then concentrated and dried to obtain the crude product of the compo...
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