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Research Journal of Botany
Year: 2008  |  Volume: 3  |  Issue: 1  |  Page No.: 23 - 28

Nature of Ergastic Substances in Some Fabaceae Seeds

M. Idu and H.I. Onyibe    

Abstract: The ergastic substances of 93 angiospermous seed samples belonging to the family Fabaceae have been investigated. Forty four and 86 of the samples indicated positive for alkaloid and fats and oil respectively while 34 samples indicated the presence of protein and tannins. The morphological characteristics of starch grains i.e., size, shape, helium striation, percentage of different types and their frequency are given. Of the 93 seed samples 27 are found to contain starch grain. However, the starch grains are restricted mainly to the herbaceous habit. In general arborescent taxa either lack starch grains or such grains are of sparing occurrence.

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