Natural Product Sciences is the official publication of the Korean Society of Pharmacognosy which was launched in 1995. The journal is published quarterly at the end of March, June, September, and December each year and the official title of the journal is abbreviated title as Nat. Prod. Sci. The research papers on original work, either experimental or theoretical, that advance our understanding of natural product sciences, including important questions of phytochemistry, chemistry, and bio-chemistry of natural resources will be published. Timely reviews and commentaries on recent progress in active areas of natural products research will be also published.