Jiang Jian-qin, Ye Wen-cai, Liu Yu-hong, Chen Zhen, Min Zhi-da, Lou Feng-chang
Department of Phytochemistry, China Pharmaceutical University, Nanjing 210038, China.
Yao Xue Xue Bao. 2003 Sep;38(9):677-9.
To study the chemical constituents of the stems of Opuntia vulgaris Mill(Cactaceae).
The compounds of Opuntia vulgaris were isolated by chromatography of Amberlite Dowex 50 and silica gel, and identified by means of UV, IR, MS, 1D and 2D NMR.
Three compounds were isolated and identified as: opuntin B(I), 4-hydroxyproline(II) and tyrosine(III).
Compound I is a new alkaloid.
