The present application relates to the technical field of
plant extract beverage preparation, in particular to a preparation process and device for a
plant extract beverage, the preparation process comprising the following steps: selecting, removing impurities, removing dust and crushing one of tea,
American ginseng,
dendrobium,
astragalus, wolfberry fruit,
cistanche, angelica and
polygonatum; adding water until the mixture is soaked through to obtain a material-water mixture; extracting the material-water mixture with three times of
ethanol of a specified concentration; combining the three times of extraction liquid and conveying the combined extraction liquid into a reduced-pressure concentration tank for reduced-pressure concentration treatment, then eluting the extraction liquid with a macroporous adsorption resin column to obtain a
traditional Chinese medicine extract,
drying the
traditional Chinese medicine extract, mixing the dried
traditional Chinese medicine extract with resistant
dextrin,
stevioside,
citric acid, vitamins, beta-
cyclodextrin and other auxiliary materials in a mixing
machine, sterilizing the mixture, and packaging the sterilized mixture to obtain the
plant extract beverage; and the preparation device comprises an extraction device, a reduced-pressure concentration tank, a conveying control device and an adsorption and washing device. The present application adopts an
ethanol gradient extraction method to comprehensively extract active ingredients in medicinal materials, and the prepared plant extract beverage is convenient to store, carry and drink.