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. Author manuscript; available in PMC: 2018 Mar 26.
Published in final edited form as: J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2008 Jan-Mar;26(1):89–112. doi: 10.1080/10590500801907407

Table 1.

LD50 (mg/kg) values of the six kavalactone components in Kava

Species Kawain Dihydro-
kawain
Methysticin Dihydromethysticin Yangonin Demethoxy-
Yangonin
Mouse
  oral 1130 920 1050 >1500 >800
  ip 420 325 530 420 >1500 >800
  iv 69 53 49 41 55
Dog
  ip >200 >200
Cat
  ip >250
Rabbit
  ip >350 300