... HPLC) silica; 70% Bamboo Leaf ExtractIndications and UsageBamboo leaf extract Caulis Bambusae flavonoids Bamboo leaf has a long history of food ... to the related research work,effective ingredients of bamboo leaf extract include flavone,phenolic acid,lactone,polyose,amino acid, ... local concentraction far exceeds the limit,there shall be no oxidation promotion effects,which occurs generally in tea ...