Fisetin is a kind of polymer pharmaceutical raw material extracted from the Smoketree Extract. Smoketee(scientific name:Cotinus coggygria Scop.) The pedicels of the sterile flowers that remain for a long time after the Yellow oak blossom are pink feathery and form a cloud-like landscape on the branches. The yellow oak is also a good afforestation tree species.
English name:Smoketree Extract Powder
Appearance:Yellow fine Powder
Product specification: 10% 50% 98% fisetin
Source: Cotinus coggygria Scop.
Plant Part Used: Stem
Benefits of Smoketree Extract Powder
1.Fisetin maintains glutathione levels, which is a major cellular antioxidant and plays a key role in protecting cells from different types of stress.
2.Improve memory. A team of Japanese and American researchers has found that lactoflavin in vegetables and fruits helps improve memory in animal experiments.
3.Inhibition of prostaglandins. 
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