Plant cell wall beta-glucans and xylans

Plant cell wall beta-glucans and xylans are complex structural polysaccharides found in the cell walls of plants, serving as a major component of dietary fiber (Slavin, 2013). These molecules are characterized by their resistance to human digestive enzymes, often requiring exogenous supplementation or microbial fermentation for breakdown (Ianiro et al., 2016). In a therapeutic or supplemental context, they are targeted by enzymes such as glucanases and xylanases, which catalyze the hydrolysis of their specific glycosidic bonds (Bedford, 2000). This process is primarily utilized to alleviate symptoms of indigestion, bloating, and malabsorption associated with high-fiber diets (Ianiro et al., 2016). By breaking down these polymers, the enzymes reduce the viscosity of the digesta and improve the bioavailability of nutrients trapped within the plant matrix (Bedford, 2000; Kiarie et al., 2013). While primarily used in digestive health, these interactions are also significant in the context of gut microbiome modulation and animal nutrition (Kiarie et al., 2013). The therapeutic application of these enzymes helps in managing the dietary intake of non-starch polysaccharides in individuals with sensitive digestive systems (Ianiro et al., 2016).

Other names

HemicelluloseDietary fiberNon-starch polysaccharidesPlant cell wall polysaccharides

Enzymatic hydrolysis of beta-glycosidic bonds in plant cell wall polysaccharides to facilitate digestion and reduce intestinal viscosity (Ianiro et al., 2016; Bedford, 2000).