title: [Study on extraction and property testing of pastern from mesona blume].
abstract: OBJECTIVE
  In order to find out the pastem's content and property.
  
  
  METHODS
  The colloid substances-pastem were extracted from the grass with high pressure and high temperature and then were compared.
  
  
  RESULTS
  The pastem's average content was 30. 55 g/100 g. The average intrinsic viscosity of pastem was 85.01 ml/g. Using the cassava starch complex gums as a standard reference, the coefficient of hardness, elastic coefficient and coefficient of cohesion were 23.71, 1.128, 0.431, respectively.
  
  
  CONCLUSIONS
  This study provides the theory basis of setting quality standard of country, and helps to develop the pastem's prodution.
authors.affiliation: The third affiliated hospital of Sun Yat-sen university, Guangzhou 510630, China.
authors.forename: Xiao-Lin
authors.initials: XL
authors.lastname: Wu
authors.forename: Min
authors.initials: M
authors.lastname: Dai
authors.forename: Wei-Bing
authors.initials: WB
authors.lastname: Guna
authors.forename: Wei-Ping
authors.initials: WP
authors.lastname: Wu
authors.forename: Hong-Zhi
authors.initials: HZ
authors.lastname: Yang
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification* / Q000592:standards; D004548:Elasticity; D005782:Gels / Q000032:analysis / Q000737:chemistry / Q000302:isolation & purification; D006244:Hardness; D019686:Lamiaceae / Q000737:chemistry* / Q000145:classification; D010946:Plants, Medicinal / Q000737:chemistry; D011786:Quality Control; D013213:Starch / Q000737:chemistry; D013678:Technology, Pharmaceutical / Q000379:methods; D014783:Viscosity
chemical_list: D004365:Drugs, Chinese Herbal; D005782:Gels; D013213:Starch