2. Diet triacylglycerols are emulsified and absorbed by the intestine Bile salts(e.g, taurocholate牛黄胆酸and glycocholate甘胆酸), synthesized from cholesterol in liver, emulsifies macroscopic fat particles into microscopic mixed micelles for better lipase action and absorption Fatty acids generated from triacylglycerol(catalyzed by the intestinal lipase) diffuse into intestinal epithelial cells, be reconverted into triacylglycerol and packed with cholesterol esters and specific apolipoproteins in chylomicrons(乳糜微滴)2. Diet triacylglycerols are emulsified and absorbed by the intestine • Bile salts (e.g., taurocholate牛黄胆酸 and glycocholate甘胆酸 ), synthesized from cholesterol in liver, emulsifies macroscopic fat particles into microscopic mixed micelles for better lipase action and absorption. • Fatty acids generated from triacylglycerol (catalyzed by the intestinal lipase) diffuse into intestinal epithelial cells, be reconverted into triacylglycerol, and packed with cholesterol esters and specific apolipoproteins in chylomicrons (乳糜微滴)