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dietary-fiber

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Dietary fiber refers to the indigestible carbohydrate components of plant cell walls and storage tissues—including cellulose, hemicellulose, pectin, and resistant starches—that pass through the human gut largely intact. Understanding the biosynthesis, structure, and composition of these compounds is central to plant science, as they reflect fundamental aspects of cell wall biology, plant development, and carbohydrate metabolism. Breeding and engineering crops with optimized fiber profiles requires deep knowledge of the genetic and biochemical pathways that govern polysaccharide production across diverse plant species.

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