STUDY ON THE DIFFERENCES OF MAJOR PHARMACEUTICAL INGREDIENTS IN DIFFERENT PARTS AND PROCESSED MEDICINAL MATERIAL OF EPIMEDIUM BREVICORNU MAXIM IN TAIHANG MOUNTAIN.

The aim of this study is to evaluate the medicinal values of different parts of Epimedium brevicornu Maxim. and the effect of processing on major pharmaceutical ingredients in it. The contents of icariin and epimedin C in different parts and processed medicinal material of E.

[Determination of mineral elements utilization of Paeonia lactiflora Pall by ICP-AES].

The contents of K, Ca, Na, Mg, Fe, Cu and so on in the roots of Paeonia lactiflora Pall and in the soil in which they grew were determined by ICP-AES technique to study the mineral elements utilization of P. lactiflora Pall. The results indicate that the elements utilization rate of P.

[RP-HPLC determination of main chemical components in different parts and different harvest periods of Paeonia lactiflora].

The contents of gallic acid, catechin, albiflorin, paeoniflorin, benzoic acid and paeonol extracted in different growth years, collecting season and of different parts of Paeonia lactiflora were determined. The results showed that the contents of catechin and paeoniflorin in Paeonia lactiflora collected in autumn are the highest, and the contents of benzoic acid was lower than that of those collected at other time. The longer is the age of Paeonia lactiflora, the higher is the contents of catechin and paeoniflorin.