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Plant Toxins and Detoxification Methods to Improve Feed Quality of Tropical Seeds - Review -

  • Makkar, H.P.S. (Institute for Animal Production in the Tropics and Subtropics (480), University of Hohenheim) ;
  • Becker, K. (Institute for Animal Production in the Tropics and Subtropics (480), University of Hohenheim)
  • Published : 1999.05.01

Abstract

Many antinutritional and toxic factors abound in tropical seeds, which are also generally rich in nutrients and therefore more prone to attack from herbivores. Antinutritional and toxic factors are considered to defend seeds against environmental vagaries and thus help to protect them. These factors though good for the plant, cause deleterious effects or are even toxic to animals and man. The conventional seeds cultivated for oil or non-oil purposes, and general aspects of antinutritional factors are not presented here as these have already been discussed widely by many workers. Deficits in conventional protein and energy sources in the tropics have stimulated a quest for alternative feeds both for animals and humans. This article attempts to highlight two new oilseed crops, Jatropha curcas and Moringa oleifera, and in addition deals with some under-utilized seeds with potential as animal feed. Most of these seed plants are adapted to various marginal growing conditions in the tropics and can help to mitigate the prevailing deficit in protein and energy sources. Antinutritional and toxic factors in seed or seed meal, various approaches to detoxify seed meal, and future research and development priorities for their exploitation as animal feeds are presented.

Keywords

Antinutritional;Toxic;Defence Compounds;Oilseeds;Unconventional Feeds

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