Not official USP-NF text
POWDERED ST. JOHN'S WORT EXTRACT
PF LGS# Brand Type of Test Additional Information
26(2) L1 Vydac C-18 Content of . . . . . . . . Content of hypericin/pseudohypericin. 4.6-mm x 25-cm, 5-µm.
26(2) L1 Vydac C-18 Content of . . . . . . . . content of hypericin and pseudohypericin. column 201 TP 54, 4.6 2 25 cm.