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| treatment for fatty liver , spain et, plump redhead , jeffrey bland phd, acute fatty liver of pregnancy , metagenics, robert winston, longevity, loseweight, bovine serum albumin, plump ebony , polymorphonuclearleukocytes, lupron, letter to the editor, alpha linolenic acid, fat girls in thongs , babies, | Physiology of Absorption, Metabolism, and Excretion plump ladies Total Fat Absorption. Dietary fat undergoes lipolysis by lipases in the gastrointestinal tract prior to absorption. Although there are lipases in the saliva and gastric secretion, most lipolysis plump ladies occurs in the small intestine. The hydrolysis of triacylglycerol is achieved through the action of pancreatic lipase, which requires colipase, also secreted by the pancreas, for activity. In the intestine, fat is emulsified with bile salts and phospholipids secreted into the plump ladies intestine in bile, hydrolyzed by pancreatic enzymes, and almost completely absorbed. Pancreatic lipase has high specificity for the sn-1 and sn-3 positions of dietary triacylglycerols, resulting in the release of free fatty acids from the sn-1 and sn-3 positions and 2-monoacylglycerol. |
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| Griinari and coworkers (2000) estimate that approximately 64 percent of the CLA in cow’s milk is of endogenous origin. Verhulst and coworkers (1987) isolated a microorganism, Propionibacterium acnes, that appears to have the ability to convert linoleic acid to trans-10,cis-12 CLA, an isomer of CLA that is found in rumen digesta (Fellner et al., 1999). Trans-10 letter to the editor octadecenoic acid is formed in the rumen via biohydrogenation of trans-10,cis-12 CLA, and both have been reported to be found in cow’s milk letter to the editor (Griinari and letter to the editor Bauman, 1999). However, endogenous production of trans-10,cis-12 CLA from trans-10 octadecenoic acid does not occur because mammalian cells do not possess the Δ12 desaturase enzyme (Adlof et al., 2000; Pariza et al., 2001). Therefore, any trans-10,cis-12 CLA OCR for page 429 Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids isomer that is reported in mammalian tissue or sera would likely originate from gastrointestinal absorption. |
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