Tartary buckwheat is one of the special crops in China. It contains various active ingredients of tartary buckwheat. Its main component is rutin. The content of rutin accounts for 70%-80% of total flavonoids. These active ingredients prevent cardiovascular and cerebrovascular diseases and reduce Blood lipids, prevent diabetes and other effects.

The resin adsorption method can extract the flavonoids in tartary buckwheat simply and efficiently, the process is simple, the safety is high, the resin can be regenerated, and the production cost is reduced.