... , Hyperiforin 3% HPLC,GMP with ISO9001/22000 HACCP St.john's wort extract powder,Hypericum perforatum extract,specifictions: St.john ... 's wort extract powderhypericins ≥ 0.3% 1% UVSt.john's wort extract powderhyperforin ≥ 3% HPLCLatin nameHypericum ...