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Chemical composition and biological evaluation of debitterized and defatted neem (Azadirachta indica) seed kernel cake

  • Technical
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Journal of the American Oil Chemists’ Society

Abstract

Two samples of debitterized and defatted neem (Azadirachta indica) seed kernel cakes were analyzed for their nutrient composition, and the cake protein quality was evaluated in weanling rats. The cake is a good source of protein (45–50%), phosphorus, calcium and iron. Trypsin inhibitory activity was detected in the cake, but it was low (15–17 TIU/mg protein). Lysine content of the cake protein was higher than most of the cereal proteins but lower than that of legume proteins. Sulphur-containing amino acids were the limiting amino acids of the cake protein. When the cake contained a low amount of fat and was devoid of neem smell, its PER and NPU were comparable to those of any other oilseed cake. Animals receiving 84% neem cake diet did not exhibit any toxic symptoms. Therefore, neem seed kernel cake may be included in animal feeds.

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Authors and Affiliations

  1. National Institute of Nutrition, Indian Council of Medical Research, Jamai Osmania P.O., 500 007, Hyderabad, India

    P. Udayasekhara Rao

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  1. P. Udayasekhara Rao
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Udayasekhara Rao, P. Chemical composition and biological evaluation of debitterized and defatted neem (Azadirachta indica) seed kernel cake. J Am Oil Chem Soc 64, 1348–1351 (1987). https://doi.org/10.1007/BF02540795

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  • DOI: https://doi.org/10.1007/BF02540795

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