title: [Influlance of different drying methods on quality of Schisandrae Chinensis Fructus].
abstract: OBJECTIVE
  To study the influence of different drying methods on the quality of Schisandrae Chinensis Fructus and thus provide useful reference for its proper drying methods.
  
  
  METHODS
  Schisandrae Chinensis Fructus was processed by eight drying methods including vacuum freeze drying, natural drying in the shade, drying in the sun, oven drying and vacuum drying under different temperature. The contents of the functional ingredients includes chisandrin, gomisin D, gomisin J, schisandrol B, angeloylgomisin H, angeloylgomisin Q, gomisin G, schisantherin A, deoxyschisandrin, schisandrin B, schisandrin C, 5-HMF, total aids and total sugars. The main components change after drying were analyzed by HPLC, ultraviolet spectrophotometry and potentiometric titration. Principal component analysis (PCA) was carried out by SPSS software to evaluate the quality of different processed products from Schisandrae Chinensis Fructus.
  
  
  RESULTS
  All these results are in accordance with the requirements of Chinese Pharmacopoeia published in 2010, the contents of schisandrin and total eleven lignans were the highest using vacuum drying, and 5-HMF were the lower, oven drying made little difference but with lower schisandrin and higher 5-HMF as the heat increased.
  
  
  CONCLUSIONS
  Different drying methods have significant influence on the quality of Schisandrae Chinensis Fructus. Oven drying under 5°C should be adopted to substitute drying in the sun according to the China Pharmacopoeia published in 2010 for Schisandrae Chinensis Fructus by comprehensive analysis of the cost, content and practicality.
authors.forename: Kai-Long
authors.initials: KL
authors.lastname: An
authors.forename: De-Kun
authors.initials: DK
authors.lastname: Li
authors.forename: Da-Zheng
authors.initials: DZ
authors.lastname: Zhou
authors.forename: Zheng-Liang
authors.initials: ZL
authors.lastname: Ye
authors.forename: Qiao-Sheng
authors.initials: QS
authors.lastname: Guo
mesh_terms: D003890:Desiccation / Q000379:methods*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D011786:Quality Control; D032141:Schisandra / Q000737:chemistry*; D013696:Temperature
chemical_list: D004365:Drugs, Chinese Herbal