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The Extraction Technology of Flavonoids from Buckwheat

Wang L, Bai X

Buckwheat (Fagopyrum esculentum) is a kind of medicinal and edible crops with high Flavonoid content. Flavonoids from tartary buckwheat have significant therapeutic effects on vascular diseases, diabetes and obesity. In this paper, the extracting technologies of flavonoids from buckwheat were investigated. The results showed that the optimum parameters for the extraction is temperature 60°C, alcohol concentration 60%, solid to liquid ratio 1:20, pH=2, duration 120 min.