Not official USP-NF text
POWDERED VALERIAN EXTRACT
PF LGS# Brand Type of Test Additional Information
0(0) L1 ZORBAX SB-C18 Content of . . . . . . . . Content of valerenic acid. The method was originally developed with the column Knauer (Germany). The Zorbax (Agilent) column is a suitable alternative. 4.6 mm x 25 cm.