Figure 7
(A) HPLC-DAD chromatogram of the standard solution of Acorus calamus EO and UV spectra of α- and β-asarone; (B) HPLC-DAD chromatogram and UV spectrum of the α-asarone fraction obtained by CPC separation; (C) HPLC-DAD chromatogram and UV spectrum of the β-asarone fraction obtained by CPC separation.
