Abstract

ABSTRACTStarch and protein components of green banana tissue (Musa cavendish) were selectively complexed with iodine and copper respectively. The tissue was characterized with a scanning electron microscope by employing X‐ray fluorescent emission (EDS) to locate starch and protein components by their relevant stain and secondary emission. Starch granules in the tissue gave strong iodine signals and revealed a structure similar to isolated granules. Electron‐opaque substances surrounding the starch granules provided a strong copper signal indicating its protein‐aceous nature. Other elements used in tissue preparation revealed no specificity to the tissue components. It is apparent that specific tissue components can be identified by selective labeling with elements for electron‐microbeam X‐ray fluorescent analysis.

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