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Studies on Carotene in relation to animal nutrition: Part III. Stability of carotene in plant material with special reference to hay making and storage

Published online by Cambridge University Press:  27 March 2009

P. A. Seshan  and
K. C. Sen
P. A. Seshan
Affiliation:
Animal Nutrition Section, Imperial Veterinary Research Institute, Izatnagar, India
K. C. Sen
Affiliation:
Animal Nutrition Section, Imperial Veterinary Research Institute, Izatnagar, India
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Extract

1. An experimental study has been made of the effects of heat, light, air, enzymes and bacteria on carotene destruction, when green fodder is dried and stored as hay.

2. Carotene in green fodders can be destroyed by autoclaving or other forms of heating in the presence of air. The extent of destruction depends upon the period of heating.

3. Carotene is not destroyed if green plants are dried in a vacuum.

4. Atmospheric oxygen plays the predominant part in the destruction of carotene; and heat, light and moisture are merely accelerating agents. The destruction of carotene during storage is due mainly to a slow spontaneous oxidation of the pigment in plant material.

5. The utility in India of grass drying or hay making with the specific object of providing vitamin A supplements is questionable, because of the carotene destruction during storage under prevailing temperature and climatic conditions.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 32 , Issue 3 , July 1942 , pp. 275 - 285
Copyright
Copyright © Cambridge University Press 1942

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