Food Structure


Immature sorghum grain was harvested at various stages of maturity and its development followed by transmission and scanning electron microscopy . This was done to study the developmental morphology of the sorghum grain. The period immediately following fertilization is a time of rapid development in the sorghum caryopsis. The endosperm expands crush i ng the nucellus and in the nonbirdres i stant sorghums the inner integument is also crushed during this expansion. The cells of the ovary wal 1 expand and elongate to form the peri carp . By the soft dough stage the endosperm has gained most of its storage material and thereafter there is a considerable loss of moisture . During the early stages of development the endosperm cell walls were extensively pitted which could allow for translocation . However, once the period of translocation was over the cell walls became intact.

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