Digestive enzymes (Alpha-amylase, Pancreatic lipase, and Alpha-glucosidase)

Digestive enzyme interaction inhibition via physical entrapment is a therapeutic mechanism primarily associated with the action of viscous dietary fibers and certain hydrogels within the gastrointestinal tract (Lattimer & Haub, 2010). This process involves the creation of a gel-like matrix that physically sequesters digestive enzymes, such as alpha-amylase and pancreatic lipase, as well as their macronutrient substrates like starch and lipids (Dhital et al., 2013). By increasing the viscosity of the luminal contents, these agents impede the diffusion of enzymes and nutrients, thereby slowing the rate of hydrolysis and subsequent absorption into the bloodstream (Grundy et al., 2016). This mechanism is clinically significant for managing metabolic conditions, including type 2 diabetes and obesity, as it helps to attenuate postprandial spikes in blood glucose and insulin levels (Jenkins et al., 2008). Unlike direct chemical inhibitors, this physical approach offers a non-systemic means of modulating metabolic health with a focus on altering the rheology of the digestive environment (Gidley, 2013). It is a key feature of soluble fibers like beta-glucan and pectin, which are utilized to improve glycemic control and lipid profiles in patients with metabolic syndrome.

Other names

Digestive enzyme interaction inhibition via physical entrapmentEnzyme entrapmentViscosity-mediated enzyme inhibitionSteric hindrance of digestive enzymesGastrointestinal enzyme-substrate complex

Physical entrapment of enzymes and substrates within a viscous gel matrix, reducing the rate of hydrolysis and nutrient absorption.