RESUMEN
<p><b>OBJECTIVE</b>To investigate the varieties, resoures and identification authentication of Guoshangye used in Tuja and Miao's folk.</p><p><b>METHOD</b>Through field investigations and comparing the collected specimens and literatures, the classification and identification of the species were studied.</p><p><b>RESULT AND CONCLUSION</b>Origin of Guoshangye plant was from Pholidota yunnanensis, Bulbophyllum andersonii, B. odoratissimum, B. kamgtimgemse, ect. their morphological characters were identified. Due to limited resource of Guoshangye, the development and protection should be paid more attention.</p>
Asunto(s)
Animales , Humanos , Analgésicos , Farmacología , Antitusígenos , Farmacología , Conservación de los Recursos Naturales , Medicamentos Herbarios Chinos , Farmacología , Historia del Siglo XIX , Historia Medieval , Orchidaceae , Química , Clasificación , Farmacognosia , Historia , Raíces de Plantas , Química , Plantas Medicinales , Química , ClasificaciónRESUMEN
<p><b>OBJECTIVE</b>To explore the quality of DNA with three methods of DNA extraction and the influence on RAPD-PCR.</p><p><b>METHOD</b>the electrophoresis of total DNA, UV spectrophotometry and RAPD analysis were carried out on DNA extracted from three different methods.</p><p><b>RESULT</b>The DNA concentration and yields were different, which greatly influenced the result of RAPD-PCR.</p><p><b>CONCLUSION</b>The higher quality DNA from Dendrobium can be obtained with the method of CTAB-free extraction medium before total DNA was isolated.</p>