an antiviral at low concentration; antiherpes, antipsoriasis and antikeratitis, male contraceptive.

Polyphenol C₃₀H₃₀O₈ from plants of the Gossypium genus, Malvaceae.

• Molecular Weight : 518.6 Da.
  
  
• Melting Point : 177-182 °C. (decomp.)
  
  
• Solubility in : acetone; not well in ether, chloroform, ethanol; not in water.
  
  
• Purity min. : 90 % (HPLC, mass spectrometry).
  
  
• Biological Activity : the antiviral activity appears at low concentration (up to 1 µg/ml) with a broad activity spectrum: RNA and DNA viruses, microviruses and herpes viruses.
  
  
• Toxicity (LD₅₀) : mice (orally): 720 ± 57 mg/kg
  
  
• Storage recommendations : Store at +4°C, in dark place.
  
  
• CAS Reg. No. : 303-45-7
  
  
• Merck Index 11th Ed. : 4435
  
  
• Bibliography :
  
  1. Lee et al., Mol. Cell. Biochem. (1982) 47:65
  2. Abou-Donia et al., J. Agr. Food Chem. (1970). 18:534
  3. Abou-Donia et al., Lipids (1970). 5(11):938
  4. Bakhuni et al., Experienta 24:109 (1968). 24:109