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Polyamines | Open Access Journals
Journal of Experimental Food Chemistry

Journal of Experimental Food Chemistry

ISSN: 2472-0542

Open Access

Polyamines

Polyamines are required for growth in almost all cells. An adequate supply of polyamines is especially important to the gastrointestinal epithelium where 72 h is the length of an average cell's life. Cell growth as proliferation is the basis of the continual renewal of the gastrointestinal epithelium. The epithelium lies in a single layer on the mucosa. It is not a level layer but an arrangement of pits (crypts) and their associated villi that expand the tract's absorptive surface enormously. A single stem cell at the bottom of each crypt divides continuously; its progeny divide further and move up onto the villi, differentiating as they go into the various types of functional cells of the gastrointestinal epithelium.

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