engleski

THE TELEOST GUT PERSORBS MICROPARTICULATES

The ability of the teleost gut to absorb microparticulate material was examined following rectal intubation (3.5 g kg-1) of commercial grade cornstarch (@21 mm diameter), or potato starch (@43 mm diameter). Tissue samples were taken from the mid- and hind-gut of control and treated fish 18 h post-intubation. Collected samples were processed using standard plastic and staining protocols and resultant photomicrographs examined by computer-assisted image analysis. Cornstarch particles (8-14 mm), were observed to pass from gut lumen to the lamina propria via a paracellular or persorptive route only. No evidence for the like passage of potato starch was found.

bioencapsulation; gastrointestinal tract; Herbst effect; microparticulates;

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