Vitamin K

GPTKB entity

Statements (53)
Predicate Object
gptkbp:instanceOf gptkb:vitamin_A
gptkbp:absorbedBy gptkb:small_intestine
gptkbp:CASNumber 84-80-0 (K1)
gptkbp:chemicalFormula C31H46O2 (for K1)
gptkbp:contraindication anticoagulant therapy
gptkbp:deficiencyCauses gptkb:bone
bleeding disorders
easy bruising
gptkbp:discoveredBy gptkb:Henrik_Dam
gptkbp:discoveredIn 1929
gptkbp:enemyOf gptkb:warfarin
gptkbp:existsIn gptkb:menadione_(K3)
gptkb:menaquinones_(K2)
gptkb:phylloquinone_(K1)
gptkbp:firstIsolatedFrom alfalfa
gptkbp:foundIn broccoli
lettuce
kale
animal liver
fermented foods
green leafy vegetables
gptkbp:hasRole gptkb:coenzyme
https://www.w3.org/2000/01/rdf-schema#label Vitamin K
gptkbp:IUPACName gptkb:2-methyl-3-phytyl-1,4-naphthoquinone_(K1)
gptkbp:meltingPoint 52°C (K1)
gptkbp:molecularWeight 450.7 g/mol (K1)
gptkbp:namedFor gptkb:Henrik_Dam
gptkbp:nameOrigin 'Koagulationsvitamin' (Danish for coagulation vitamin)
gptkbp:otherName gptkb:menadione
gptkb:menaquinone
gptkb:phylloquinone
gptkbp:presentIn bacterial cell membranes
chloroplasts (in plants)
gptkbp:producedBy gut bacteria
gptkbp:recommendedDailyIntake 90-120 micrograms (adults)
gptkbp:regulates gptkb:matrix_Gla_protein
osteocalcin activation
prothrombin synthesis
gptkbp:requires blood clotting
bone metabolism
regulation of blood calcium levels
gptkbp:solubility fat-soluble
gptkbp:toxicity rare (except K3)
gptkbp:transportation gptkb:chylomicrons
gptkbp:type gptkb:Vitamin_K1
gptkb:Vitamin_K2
gptkb:Vitamin_K3
gptkbp:usedFor prevention of hemorrhagic disease of the newborn
treatment of warfarin overdose
gptkbp:bfsParent gptkb:lettuce
gptkb:vitamin_A
gptkb:Pea
gptkbp:bfsLayer 4