The amount of a peroxisomal acyl-coenzyme A oxidase 1 (human) when measured in blood. The trait is amount of peroxisomal acyl-coenzyme A oxidase 1 (human) in blood (Ontology of Biological Attributes id OBA_2052710). Also known as: blood peroxisomal acyl-coenzyme A oxidase 1 (human) amount.