title: [Contents of total flavonoids in Rhizoma Arisaematis].
abstract: OBJECTIVE
  Comparing the contents of total flavonoides of Rhizoma Arisaematis, which collected in different time, regions, different varieties and processed.
  
  
  METHODS
  Determining the contents by ultraviolet spectro-photometry.
  
  
  CONCLUSIONS
  The contents were found in the following sequence: 1. the end of July, the begin of July, August, September; 2. Beijing, Shanxi, Sichuan, Anhui; 3. Arisaema erubenscens, A. heterophyllum, A. amurense; 4. unprocessed product, processed product.
authors.affiliation: Beijing University of Traditional Chinese Medicine, Beijing 100029, China.
authors.forename: S S
authors.initials: SS
authors.lastname: Du
authors.forename: H Y
authors.initials: HY
authors.lastname: Lin
authors.forename: Y X
authors.initials: YX
authors.lastname: Zhou
authors.forename: L X
authors.initials: LX
authors.lastname: Wei
mesh_terms: D031057:Arisaema / Q000737:chemistry; D005419:Flavonoids / Q000032:analysis*; D030021:Pinellia / Q000737:chemistry* / Q000145:classification / Q000254:growth & development; D010946:Plants, Medicinal / Q000737:chemistry* / Q000145:classification / Q000254:growth & development; D027343:Rhizome / Q000737:chemistry; D012621:Seasons; D013056:Spectrophotometry, Ultraviolet
chemical_list: D005419:Flavonoids