a high-performance liquid chromatographic ( hplc ) method for simultaneous determination of 7-dehydrocholesterol ( 7-dhc ) , vitamin d3 and 25-hydroxyvitamin d3 ( 25-oh-d3 ) in tissues of fishes was established , and using this method the tissue distribution of the sterols in lamprey ( entosphenus japonicus ) , great blue shark ( prionace glauca ) , skipjack ( katsuwonus pelamis ) and albacore ( thunnus alalunga ) was investigated .
C0006657
25-hydroxyvitamin
C2713074
25-oh-d3