through the selection of the same size portions gastrodia elata, respectively in different temperature of hot air circulation drying, observe its appearance quality, according to<Chinese pharmacopoeia>2005 version of the first gastrodia elata blume medicinal materials under high performance liquid chromatography (appendix VID) determine the content of the gastrodia elata, respectively, to study the effect of drying temperature on quality of gastrodia elata, guide the production of gastrodia elata.
the drying temperatureGastrodia tuber qualityinfluence