Pharmacognosy

• What type of compound is fructosan?

  Homogeneous polyholoside
• What are the main usages of fructosan?

  • Fructose extractions
  • Kidney function tests
  • Food for diabetics
  • Culture medium in diagnosis of some bacteria
• What is the percentage of fructosan in Inula roots and rhizomes?

  45%
• What type of compound is hyaluronic acid?

  Mucopolysaccharide
• What is pure cellulose not used for?

  It is not used directly
• What are some derivatives of cellulose?

  • Pyroxylin and Colloxylin
  • Collodion
  • Methyl Cellulose
  • Ethyl Cellulose
  • (Hydroxypropyl) Methylcellulose (HPMC)
  • Carboxymethyl Cellulose (CMC)
  • Carmellose
  • Hypromellose
  • Cellulosum Oxydatum
  • Cellacephate
• What is collodion used for?

  Wound dressings
• What is the purpose of methyl cellulose?


  Viscosity enhancer in pharmaceuticals
• What is carboxymethyl cellulose commonly used for?

  As an antacid
• What is pectin and its main components?

  • Polyholoside chain
  • Consists of partially methylated galacturonic acid molecules
• What are the main usages of pure pectin?

  • Antidiarrheal
  • Used in gastritis
  • Hemostatic
  • Emulsifier and stabilizer in food
• What is dextran classified as?

  Heteroside
• What is the source of tragacanth gum?

  • Astragalus species
  • A gummifier
  • A kurdica
  • A microcephalus
  • A brancycalyx
• What is the water insoluble part of tragacanth gum?

  Bassorin
• What is the water soluble part of tragacanth gum?

  Tragacanthin
• What are the functions of mucopolysaccharides?

  • Lubrication
  • Structural support
  • Anticoagulation
  • Cell signalling
• What is the main function of chitin?

  Structural support in organisms
• What are the types of glycosides mentioned?

  • Anthracene glycoside
  • Flavonoid glycosides
• What affects the color of flavonoids?

  • Number of -OH groups
  • pH value
• What is the chemical structure of flavones?

  Phenyl chromones
• What is the conversion of Diosmetin-7-Rutinoside to Diosmin?

  Conversion of glycosides
• What are glycosyl flavonoids?

  • Flavonoid + saccharide
  • Often O-glycosides or C-glycosides