This product is extracted from natural Hippophae Fructus leaves;it is light yellow powder extracted and refined by using patented techonlogy of Nankai University.The main active ingredient is flavonoid,and its aglucone include kaempferide,isorhamnetin,quercetin and myricetin et al.
Product Specifications:Total flavone of Hippophae Fructus(TFH)≥ 15%,20%,30%,≥ 50%;
 Water≤ 3%;  Heavy metal≤ 20ppm