http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Khảo sát hoạt tính sinh học và thành phần hóa học của cây chìa vôi (Cissus modeccoides Planch)
Luận văn tốt nghiệp Cao học. Chuyên ngành Hóa hữu cơ
Hoạt tính sinh học và thành phần hóa học của cây Chìa vôi thu hái ở tỉnh Bạc Liêu được khảo sát. Phấn cây Chìa vôi được chiết tách hợp chất bằng dung môi petroleum ether (7,3 g). Bột cây Chìa vôi khô được chiết tách hợp chất bằng cồn 96°. Sử dụng một phần cao ethanol (400,0 g) để tiếp tục chiết lỏng-lỏng với các dung môi petroleum ether, dichloromethanee, ethyl acetate, ethanol. Từ các cao petroleum ether, dichloromethanee, ethyl acetate, ethanol được tiến hành khảo sát hoạt tính và phân lập được 4 hợp chất: β-sitos terol-3-O-glucos ide (P01), β-sitos terol (P03), lupenone (P04), lupeol (P05). Cấu trúc của các hợp chất này đã được xác định bằng các phương pháp quang phổ hiện đại: MS, ¹H-NMR, ¹³C-NMR, DEPT và so sánh dữ liệu phổ với các tài liệu đã được công bố.
Nguyễn Thị Tuyết Phương ; Lê Thanh Phước (Cán bộ hướng dẫn)