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STUDIES ON VITAMIN E IN THE HOUSE CRICKET, ACHETA DOMESTICUS (ORTHOPTERA: GRYLLIDAE): II. IN VIVO INHIBITION BY VITAMIN E OF A PHENOLASE SYSTEM IN THE EGG1

Published online by Cambridge University Press:  31 May 2012

J. E. McFarlane
J. E. McFarlane
Affiliation:
Department of Entomology, Macdonald College of McGill University
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Abstract

Methyl laurate applied to the surface of house cricket eggs induces a melanization of the extra-embryonic fluid which is due to the oxidation and polymerization of dopamine. Melanization can be delayed or prevented by the addition of 5% vitamin E to the methyl laurate. Methyl laurate appears to activate a phenolase system in the extra-embryonic fluid, and this system or activation of this system is inhibited by vitamin E.

Type
Articles
Information
The Canadian Entomologist , Volume 104 , Issue 4 , April 1972 , pp. 515 - 518
Copyright
Copyright © Entomological Society of Canada 1972

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References

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