This paper introduced and classify the common mistakes in the study and use of pharmaceutical materials including mistakes due to the same form, due to the processing that changed the primary form of materials, casual distribution of materials, identical name, identification of botanical resources, imitate materials and lack of knowledge of material resources.
Pharmacy ; Medical Errors ; Drug Industry

Item 'y di bac' on the market is not the grain of Coix lachryma-Jobi L. In comparison with the different references, item 'y di bac' has characters conforming to the standards of Sorghum vulgare Pers. - the commonest one of those items having often been faked as 'y di bac'
Drug Eruptions ; Seeds ; Asian Continental Ancestry Group

Item 'Thang ma' on the market is not the Rhizoma Cimicifugae. In comparison with the different references items "Thang ma" has characters according to the standards of Strobilanthes forrestii Diels. family (Acanthaceae). - one of the items that has often been faked as 'Thang ma'.
Microscopy ; Plants, Medicinal ; Medicine, Traditional

The botanical characteristics of Polygonatum kingianum Coll. et Hemsl. (red Polygonatum) and P. cyrtonema Hua (ginger Polygonatum) were described. The microscopic characteristics were proposed for the standard control of the herbs. The plant rhizomes might be prepared into the form named as cooked Polygonatum
Polygonatum ; Plants ; Plants ; Medicinal

The leaves of Blumea balsamifera DC Ha Giang was studied. The content of oils was determined by steam distiling method with improved oils quantitative instrument at Medicine Department of Ha Noi College of Pharmacy. The oils was analyzed by GC/MS. The result: The oils from leaves of Blumea balsamifera DC Ha Giang includes 29 components. The main components are: borneol 57,82%, beta-caryophylen 8,27%, denta-cadiol 7,95%, carryophylen oxid 3,1%, patchoulen 2,98%, veridiflorol 2,54% and 23 other components with content approximately 1%. Camphor only exist in the oils with content 1,12%. At Ha noi, 29 components and 18 components at Kak Mil was determined
Chemistry ; Medicine, Traditional ; Pharmaceutical Preparations