Chemical constituents of Opuntia milpa (Ⅰ) Chemical constituents of Opuntia milpa (I) A Study on the Cultivation of Opuntia ficus-indica Study on Experimental Population of Cochineal Insect(D.confusus(Cockerell)) The Present Research and Utilization Situation of Cochineal Insects in the World ChemlcaI constituents in stems of Opuntia dillenii Isolation and purification of polysaccharides from untia dillenii and their properties Research progress in medicinal plants of Opuntia Mill. Utility and Prospect of Opuntia ficus-indica Regulative effect of opuntia powder on blood lipids in rats and its mechanism Study on chemical constituents from Opuntia dillenii Chemical constituents from Opuntia dillenii Inhibitory activity of endophytic fungi from three plants of Opuntia Mill. Tissue Culture and High Frequency Propagation of Opuntia milpa altaHaw. Tissue Culture and High Frequency Propagation of Opuntia milpa altaHaw.