This study aimed to evaluate the effect of some elderly in vitro gastrointestinal (GI) conditions on proteolysis and lipolysis extent, calcium, vitamins A and D bioaccessibility and lactose release in milk, yogurt, fresh and aged cheeses. To evaluate the impact of the some oral, gastric and intestinal disorders appearing with ageing on dairy digestion, three in-vitro elderly models were applied (E1 (oral altered conditions), E2 (oral and gastric altered conditions) and E3 (oral, gastric and intestinal altered conditions)) plus a healthy adult one as control. Proteolysis extent was significantly affected by elderly GI alterations (p < 0.05) (around 40% of reduction compared to control), being fresh and aged cheese proteolysis the most affected with an important descrease in leucine release (18 and 25%, respectively). Calcium, vitamins A and D3 bioaccesibility and lactose release seemed not to be highly compromised in these models of elderly conditions; however, the micronutrients bioaccessibility was very dependent on dairy matrix's structure. Finally, the amount of the lipid hydrolyzed fraction of cheeses is not influenced in the investigated models.
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http://dx.doi.org/10.1016/j.foodres.2020.109454 | DOI Listing |
Chem Biol Interact
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Department of Community Dental Health, Faculty of Dental Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka.
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School of Medicine, Kyungpook National University and Department of Clinical Pharmacology and Therapeutics, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea.
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Surgery, Memorial University of Newfoundland, St. John's, CAN.
Concurrent malignant biliary and gastric outlet obstruction requires urgent palliative intervention to improve patient quality of life and permit systemic therapy. Traditional management has been surgical gastrojejunostomy and hepaticojejunostomy, two morbid procedures. Comparatively, endoscopic stenting can relieve both sites of obstruction with less complications and quicker recovery.
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