Intestinal lipase

Intestinal lipases are enzymes responsible for catalyzing the hydrolysis of dietary triglycerides into free fatty acids and glycerol within the small intestine, facilitating their absorption. While several types of digestive tract lipases exist—including lingual, gastric, pancreatic, and others—most references indicate that pancreatic lipase is the principal enzyme acting within the intestinal lumen for fat digestion. The term "intestinal lipase" is sometimes used ambiguously or incorrectly as a synonym for pancreatic or other digestive tract-associated lipases. True intestinal mucosal cell-derived “intestinal” or “brush border” specific neutral lipid hydrolases have been described mainly in non-mammalian species such as fish, but are not well characterized nor considered major therapeutic targets in humans. In clinical and pharmacological contexts relevant to human health, pancreatic lipase is typically regarded as the key enzyme mediating intestinal fat digestion. Drugs targeting this process—such as inhibitors used for obesity management—are designed against pancreatic rather than an undefined “intestinal” isoform. Therefore: The designation "Intestinal lipase" is imprecise when referring specifically to human biology or drug targeting. Most scientific literature refers instead to Pancreatic lipase, which acts within the intestine but is secreted by the pancreas. If you require structured information on a therapeutically relevant target involved with intestinal lipid digestion, it would be more accurate to use Pancreatic lipase. Note: The term "Intestinal lipase" lacks specificity and may be misleading when discussing mammalian/human therapeutic targets. It should generally be replaced with "Pancreatic lipase," unless referring specifically to non-mammalian systems where distinct intestinal mucosal enzymes have been characterized.

Other names

LipaseDigestive lipasePancreatic lipase (often confused, but not the same)Small intestine lipase (rare)

Inhibition of enzymatic hydrolysis of dietary triglycerides to reduce fat absorption (for drugs like orlistat)