Natural Buckwheat Extract Details Product Name:Buckwheat extract Part of use:Seed Active ingredient:5:1,10:1,20:1 etc,10%-70% Flavones CAS NO:643-12-9 Molecular Formula:C40H52O4 Test Method:By UV Appearance:Yellow brown Fine Powder Odor: Characteristic Payment Terms:TT What is Natural Buckwheat Extract? Buckwheat is not only a kind of food, but also a valuable product for health care. Buckwheat flavonoids is extracted from the flowers and leaves of Pagopyrum tataricum. …