Boesenbergia rotunda: From Ethnomedicine to Drug Discovery.

Boesenbergia rotunda is a herb from the Boesenbergia genera under the Zingiberaceae family. B. rotunda is widely found in Asian countries where it is commonly used as a food ingredient and in ethnomedicinal preparations.

Effect of polyvinyl alcohol on rare earths (Gd and Tb) separation by extraction resin.

Small amounts of polyvinyl alcohol (PVA; 0.5-1.5 wt.