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phyl·lo·quin·one (K),

, phylloquinone K (fil'ō-kwin'ōn, -kwī'nōn),
The major form of vitamin K found in plants isolated from alfalfa; also prepared synthetically.


A vitamin K derivative used to treat haemorrhagic disease in new-born babies. The drug is on the WHO official list. A brand name is Konakion.

phytomenadione, phytonadione

vitamin K1; a naturally occurring form of vitamin K obtained from plants; used as an antidote in poisoning by warfarin and other anticoagulant rodenticides.