Micellar LC Separation of Sesquiterpenic Acids and Their Determination in Valeriana officinalis L. Root and Extracts
Figure 4
Chromatograms obtained during Valeriana officinalis L. root and extract analysis. HVal: hydroxyvalerenic acid, AcVal: acetoxyvalerenic acid, and Val: valerenic acid. (a) valerenic acids standard solution; (b) methanolic extract of Valeriana officinalis L. root and rhizome; (c) chromatogram of valerian hydroalcoholic dry extract.