(info12 at lgberry dot com dot cn ) Active ingredient:　kudzu flavone content:　[40% ] detection method:　UV It is used as remedy for diaphoretic, antispasmodic, muscle relaxant, antipyretic. It is also used for fevers caused by heat in colds and influenza and for stiff neck and shoulders. We can supply kudzu root extract powder at any quantities with competitive prices and specification needed. So please contact us for more specification. Package: cardboard drums, with double aseptic food poly bags inside. Or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside,2.5kg per bag. info12@lgberry.com.cn