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LIST OF CONTRIBUTORS
Introduction R A MORTON Johnston Laboratories Liverpool
Distribution of FatSoluble Vitamins and their Standardization
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7-dehydrocholesterol absorption acid Acta action activity addition alcohol Amer amounts animals appear assay B-carotene Biochem Biol biological blood bone calcium carotene carotenoids cause cells changes Chem chemical chicks chromatography citrate colour complex compounds concentration contain deficiency diet disease doses effect enzyme et al evidence factors fat-soluble vitamins feed fish followed formation further give given Green Hormones human important increased indicated ISLER isolated labelled latter less levels liver material menadione method methyl Moore MORTON natural normal nutritional observed obtained occur oxidation pigments plant possible preparations present Proc protein provitamin rats reaction recently reduced reported requirement response retinal rickets showed shown similar solution sources species stability structure studies substances suggested synthetic Table tion tissues tocopherols unit usually various vitamin E vitamin E deficiency widely