دورية أكاديمية
Heat Treatment and Homogenization Influence the Gastric Digestion of Bovine Milk Protein in Growing Pigs as an Adult Human Model.
| العنوان: | Heat Treatment and Homogenization Influence the Gastric Digestion of Bovine Milk Protein in Growing Pigs as an Adult Human Model. |
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| المؤلفون: | Ahlborn NG; Riddet Institute, Massey University, Palmerston North, New Zealand; School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand; Smart Foods and Bioproducts Group, AgResearch Ltd, Palmerston North, New Zealand., Montoya CA; Riddet Institute, Massey University, Palmerston North, New Zealand; Smart Foods and Bioproducts Group, AgResearch Ltd, Palmerston North, New Zealand. Electronic address: carlos.montoya@agresearch.co.nz., Roy NC; Riddet Institute, Massey University, Palmerston North, New Zealand; High-Value Nutrition National Science Challenge, Auckland, New Zealand; Department of Human Nutrition, University of Otago, Dunedin, New Zealand., Ye A; Riddet Institute, Massey University, Palmerston North, New Zealand; School of Food and Advanced Technology, Massey University, Palmerston North, New Zealand., Samuelsson LM; Smart Foods and Bioproducts Group, AgResearch Ltd, Palmerston North, New Zealand., Wieliczko RJ; Smart Foods and Bioproducts Group, AgResearch Ltd, Palmerston North, New Zealand., McNabb WC; Riddet Institute, Massey University, Palmerston North, New Zealand; High-Value Nutrition National Science Challenge, Auckland, New Zealand. |
| المصدر: | The Journal of nutrition [J Nutr] 2024 Jul; Vol. 154 (7), pp. 2097-2107. Date of Electronic Publication: 2024 May 03. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Country of Publication: United States NLM ID: 0404243 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1541-6100 (Electronic) Linking ISSN: 00223166 NLM ISO Abbreviation: J Nutr Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: 2023- : [New York, NY] : Elsevier Original Publication: 1928-1933 : Springfield, Ill. : C. C. Thomas |
| مواضيع طبية MeSH: | Hot Temperature* , Digestion*/physiology , Gastric Emptying* , Milk Proteins*/metabolism , Milk Proteins*/chemistry, Animals ; Swine ; Humans ; Cattle ; Food Handling/methods ; Amino Acids/metabolism ; Milk/chemistry ; Hydrolysis ; Pasteurization |
| مستخلص: | Background: Bovine milk processing influences the structure of the curd formed during gastric digestion, which may alter gastric protein hydrolysis and impact amino acid (AA) release into the small intestine. Objectives: This study aimed to determine the influence of heat treatment and homogenization on the gastric protein digestion and AA emptying of bovine milk. Methods: Nine-wk-old pigs (n = 144) consumed either raw, pasteurized nonhomogenized (PNH), pasteurized homogenized (PH), or ultra-high-temperature homogenized (UHT) bovine milk for 10 d. On day 11, fasted pigs received the milk treatment (500 mL) before gastric contents were collected at 0, 20, 60, 120, 180, and 300 min postprandially. The apparent degree of gastric protein hydrolysis (based on the release of free amino groups), apparent gastric disappearance of individual proteins [based on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) gel band intensity], and the gastric emptying of digested protein and AA were determined. Results: During the first 60 min, the rate of apparent gastric protein hydrolysis was fastest in pigs fed UHT milk (0.29%/min compared with on average 0.07%/min in pigs fed raw, PNH, and PH milk). Differences in the apparent degree of gastric protein hydrolysis and emptying were reflected in the rate of digested protein entering the small intestine. The AA gastric emptying half-time was generally shorter in pigs fed PH and UHT milk than in pigs fed raw and PNH milk. For example, the gastric release of total essential AA was >2-fold faster (P < 0.01) in pigs fed PH or UHT milk than that in pigs fed raw or PNH milk (i.e., homogenized compared with nonhomogenized milk). Conclusions: Heat treatment and homogenization increased the apparent gastric degree of protein hydrolysis and the release of digested protein into the small intestine. However, the rate of AA entering the small intestine was mainly increased by homogenization. (Copyright © 2024 American Society for Nutrition. Published by Elsevier Inc. All rights reserved.) |
| فهرسة مساهمة: | Keywords: bovine milk; digested protein gastric emptying; gastric amino acid emptying; heat treatment; homogenization; protein hydrolysis |
| المشرفين على المادة: | 0 (Milk Proteins) 0 (Amino Acids) |
| تواريخ الأحداث: | Date Created: 20240504 Date Completed: 20240705 Latest Revision: 20240705 |
| رمز التحديث: | 20240706 |
| DOI: | 10.1016/j.tjnut.2024.04.035 |
| PMID: | 38703889 |
| قاعدة البيانات: | MEDLINE |
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