ニジマスにおけるビタミンE同族体の蓄積と相互変換〔英文〕

概要

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Feeding experiments were conducted with rainbow trout to compare the assimilation of the four tocopherols (α-, β-, γ- and δ-) and to investigate the interconversion of these tocopherols. α-Tocopherol in the tissues of rainbow trout was found to consist mainly of tocopherol in the freeform. The accumulation of α-tocopherol in rainbow trout was very high, whereas that of non-α-tocopherols was found to be very low. The accumulation of α-tocopherol reflected the rapid uptake of this vitamin in the livers. The distribution of the individual tocopherols in the muscles was very similar to that in livers, although the concentration of each tocopherol was much lower than that in livers. No conversion of α-tocopherol to non-α-tocopherols was discovered in either the liver or the muscle of rainbow trout, although a slight conversion of δ-tocopherol to γ-tocopherol was suggested by the results obtained in the fish fed on a diet containing δ-tocopherol.
日本水産學會の論文