Preparative Purification of Anti-Proliferative Diarylheptanoids from Betula platyphylla by High-Speed Counter-Current

Namki Cho1,2, Hyun Woo Kim3, Tae Bum Kim4

  • 1College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Seoul 08826, Korea. cnamki@naver.com.