Article

Proceedings of the Indian Academy of Sciences - Section B

, Volume 63, Issue 1, pp 17-25

Trace element nutrition of the silkwormBombyx mori L.

II. Relationship between cobalt, vitamin B12, benzimidazole and purines
  • S. SridharaAffiliated withFermentation Technology Laboratory, Indian Institute of Science
  • , J. V. BhatAffiliated withFermentation Technology Laboratory, Indian Institute of Science

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Abstract

Benzimidazole is toxic to silkworms due to its antagonistic action to purines. Cobalt and copper possess the capacity to reverse its toxicity because of their ability to form complexes with benzimidazole. For reasons unknown cobalt exerts a favourable effect in its free form rather than in the vitamin form on the insect growth.