Über die Herkunft der Gallensäuren

Studies in the cholesterol content of human plasma

“…Another sterol, allocholesterol, an isomeride of cholesterol, has been considered as associated with sterol metabolism, firstly because its catalytic reduction in vitro gives rise to coprosterol, secondly because Enderlen et al [1928] have shown that it is the only sterol, other than cholesterol, which when fed to an animal leads to any noteworthy quantitative increase in bile acid production.…”