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RA 00048.pdf - OAR@ICRISAT

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Plate 1 :a. The sorghum mixture (1) of African origin, which contains mainly a white sorghum<br />

cultivar, is slightly decorticated in the UMS DVA decorticator (2). The black testa<br />

layer under the white pericarp is now visible. In (3) the same sample is optimally<br />

decorticated in the sorghum milling system (Fig. 4) also using the UMS DVA decorticator,<br />

efficiently removing the brown testa layer.<br />

1 :b. Micrograph of a cross section of a white sorghum seed from Plate 1 :a (1). The picture<br />

is taken in a fluorescence microscope with FITC filters. Pigments are seen<br />

migrating from the testa layer marked with an arrow. The pericarp + testa + the<br />

contaminated endosperm part have to be removed in the decortication process<br />

(Plate 1:a [ 3 ] ) .<br />

1 :c. Comparison of color of milled products from Tanzania.<br />

1 :d. Dabar sorghum and its products milled in the UMS sorghum milling process, displayed<br />

in Fig. 3.

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