The present application relates to the technical field of
plant extract application, and discloses a
plant source composition capable of reducing
uric acid and a preparation method thereof, comprising the following steps: sequentially crushing,
drying, supercritical CO2, ultrasonic extraction and
vacuum drying grape seeds to obtain
grape seed extract; mixing chicory, mulberry leaves, plantain and purslane, and then sequentially performing freeze-
drying, crushing and ultrasonic extraction to obtain a mixed extraction liquid, and
vacuum drying to obtain a mixed
plant extract; and mixing the
grape seed extract, the mixed plant extract and soybean extract to obtain the plant source composition capable of reducing
uric acid. The composition is composed of soybeans, grape seeds, chicory, mulberry leaves, plantain and purslane, all of which are homologous in
medicine and food or widely used plants, have no specific
toxicity targets of chemical drugs, and are suitable for long-term intervention of ordinary high
uric acid people,
drug contraindicated people and mild to moderate patients.