AJCN Tufts Nutrition Symposium, Boston Sept 24-26
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American Journal of Clinical Nutrition, Vol 27, 1005-1016, Copyright © 1974 by The American Society for Clinical Nutrition, Inc.

Effect of tocopherol on the growth and development of rotifers

John J. Gilbert Ph.D.1

1 From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755

The effects of dietary agr-tocopherol on the growth, the phenotype, and the reproduction of the rotifer Asplanchna sieboldi are reviewed. New data show that postmitotic, newborn rotifers of this species cultured with emulsified 5 x 10 –7 M d-agr-tocopherol attain significantly larger adult body sizes than control rotifers cultured without this compound. The cytoplasmic enlargement in this large syncytial organism cannot be induced by either 2, 5, 7, 8-tetramethyl-2-(4',8'-dimethylnonyl)-6-hydroxychromane or ethoxyquin. A specific, tocopherol-stimulated growth response apparently has not been reported in other systems. Data on the effect of agr-tocopherol on the growth of another rotifer, Brachionus calyciflorus, are given.






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Copyright © 1974 by The American Society for Nutrition