Objective To investigate the content of gastrodin in Gastrodia elata in Yunnan province, and provide basic data for the characteristic industries of Gastrodia elata. Methods From 2014 to 2018, 199 Gastrodia elata samples were randomly selected from the main producing areas of Gastrodia elata in Yunnan province. Gastrodin content in Gastrodia elata samples were determined by high performance liquid chromatography according a part of the Pharmacopoeia of the People’s Republic of China (2015 edition), and evaluate the content of gastrodin in Gastrodia elata by relevant standards. Results The content of gastrodin in Gastrodia elata of Yunnan province ranged from 0.02% to 1.26%, with an average content of 0.45%. The qualification rate of gastrodin content was 70.7% in accordance with the National standard of the People’s Republic of China GB/T 19776-2008, and was 88.4% in accordance with the Pharmacopoeia of the People’s Republic of China (2015 edition). Conclusion The qualification rate of gastrodin content is higher in Yunnan province and Gastrodia elata is of better quality.
标题:2014~2018年不同年份间云南地区天麻中天麻素含量的比较分析
英文标题:Survey on gastrodin contamination in Gastrodia elata in Yunnan province from 2014 to 2018