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Testing Status of Usnea Lichen 09063

CASRN: USNEALICHEN

Synonyms/Common Names

  • Extract of lichen

Short-Term Toxicity

  • 2 weeks (Dosed-Feed)  (C20702)  Completed 
    • TOX-105 
      Toxicity Studies of Usnea Lichens Containing (+/−)-Usnic Acid (CASRN 125-46-2) Administered in Feed to F344/N Nctr Rats and B6C3F1/Nctr Mice
    • Rats: F344/N (NCTR); Mice: B6C3F1 (NCTR)
    • Dose: R: 0, 20, 60, 120, 360, or 1250 ppm; M: 0, 10, 30, 60, 180, or 600 ppm [usnic acid equivalent of herbal preparation from crude lichen].
  • 90 days (Dosed-Feed)  (C20702)  Completed 
    • TOX-105 
      Toxicity Studies of Usnea Lichens Containing (+/−)-Usnic Acid (CASRN 125-46-2) Administered in Feed to F344/N Nctr Rats and B6C3F1/Nctr Mice
    • Rats: F344/N (NCTR); Mice: B6C3F1 (NCTR)
    • Dose: R: 0, 30, 60, 120, 360, or 720 ppm usnic acid delivered in ground usnea lichen prep; M: 0, 15, 30, 60, 180, or 360 ppm usnic acid delivered in ground usnea lichen prep.