抄録
We studied on the vitamin A recovery, when cod liver oil, skipjack liver oil and whale liver oil (mixture of blue whale and fin whale) were svbjected to molecular distillation.
On cod and skipjack liver oil, the recovery of vitamin A were 96.9%, 94.6-103.7%, respectively.
On whale liver oil, the vitamin A recovery were 166%, 107%, 123% (calculated from CLOU, E1%1cm328mμ, performed Morton-Stubbs correction on E1%1cm328mμ, respectively).
Presuming that there were no decomposition of vitamin A during distillation, the decomposition of each molecule of kitol gave 0.9 molccule of vitamin A.
