Jerusalem artichoke blade phenolic extract, as well as preparation method and application thereof

• Main Authors: LIU ZHAOPU, YU MENGNI, SHEN FUJIA, LIU LING, LONG XIAOHUA
• Format: Patent
• Language: Chinese; English
• Published: 22.05.2013
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; FISHING; FOODS OR FOODSTUFFS; FORESTRY; HUMAN NECESSITIES; HUNTING; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,VEGETABLES, EDIBLE SEEDS; THE PRESERVED, RIPENED, OR CANNED PRODUCTS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; TRAPPING

The invention relates to a jerusalem artichoke blade phenolic extract, as well a preparation method and application of the jerusalem artichoke blade phenolic extract. The preparation method comprises the following steps of: drying fresh jerusalem artichoke blades, and crushing the fresh jerusalem artichoke blades to obtain dry powder of the jerusalem artichoke blades; putting the dry powder of the jerusalem artichoke blades into a decompression reflux extraction device, adding de-ionized water, extracting at room temperature to obtain a water phenolic extract, and concentrating or drying the water phenolic extract; or, adding an organic solvent into the decompression reflux extraction device, extracting while refluxing or decompressing and refluxing, and concentrating or drying to obtain an organic solvent phenolic extract; and extracting the water phenolic extract of the jerusalem artichoke blades or the organic solvent phenolic extract by using petroleum ether, chloroform, ethyl acetate and n-butyl alcohol