... 2.we can do 40%,60%,80%90%,10:1,20:1,5:1 cistanche tubulosa extract Extract is mainly used as the ... -aging function and the function of improving immunity,etc. DCT-II ExtractQuality standardtotal phenylethanoid glycosides≥60%, Acteoside≥6%,Echinacoside≥20%Inspection ...