Progress of smashing tissue extraction in research of Chinese materia medica Combinatorial microbial transformation of natural antiviral drugs Research progress in metabolic engineering and synthetic biology for natural lignan production Advanced in solubilization methods of water-insoluble natural drugs Analysis on current situation of compound Chinese materia medica patent entried into China Study on anticancer activity and correlation with meridian tropism of toxic Chinese materia medica Analysis on current situation of compound Chinese materia medica patent entried into China Research on the Development of Chinese Materia Medica and Natural Drug for AIDS Analysis of patent policy for natural drugs abroad and its revelation of Chinese materia medica protection in China