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Development of the Gastrointestinal Tract in Newborns as a Challenge for an Appropriate Nutrition: A Narrative Review. Nutrients 2022; 14:nu14071405. [PMID: 35406018 PMCID: PMC9002905 DOI: 10.3390/nu14071405] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 02/07/2023] Open
Abstract
The second and third trimesters of pregnancy are crucial for the anatomical and functional development of the gastrointestinal (GI) tract. If premature birth occurs, the immaturity of the digestive and absorptive processes and of GI motility represent a critical challenge to meet adequate nutritional needs, leading to poor extrauterine growth and to other critical complications. Knowledge of the main developmental stages of the processes involved in the digestion and absorption of proteins, carbohydrates, and lipids, as well as of the maturational phases underlying the development of GI motility, may aid clinicians to optimize the nutritional management of preterm infants. The immaturity of these GI systems and functions may negatively influence the patterns of gut colonization, predisposing to an abnormal microbiome. This, in turn, further contributes to alter the functional, immune, and neural development of the GI tract and, especially in preterm infants, has been associated with an increased risk of severe GI complications, such as necrotizing enterocolitis. Deeper understanding of the physiological colonization patterns in term and preterm infants may support the promotion of these patterns and the avoidance of microbial perturbations associated with the development of several diseases throughout life. This review aims to provide a global overview on the maturational features of the main GI functions and on their implications following preterm birth. We will particularly focus on the developmental differences in intestinal digestion and absorption functionality, motility, gut–brain axis interaction, and microbiomes.
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Wang L, Zhang X, Yuan T, Jin Q, Wei W, Wang X. Digestion of Medium- and Long-Chain Triacylglycerol and sn-2 Palmitate in Infant Formula: A Study Based on Dynamic In Vitro Simulation of Infant Gastrointestinal Lipolysis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:3263-3271. [PMID: 35255218 DOI: 10.1021/acs.jafc.1c07118] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this study, lipolysis of triacylglycerols (TAGs) in infant formula (IF) composed of different oils and supplied with different structured TAGs, including medium- and long-chain triacylglycerol (MLCT) and sn-2 palmitate, was studied using a dynamic digestion model simulating the infant gastrointestinal tract. The molecular species of digestion products released during digestion, including diacylglycerols, monoacylglycerols (MAGs), and free fatty acids, as well as undigested TAGs, were identified and quantified using liquid chromatography-mass spectrometry. We observed clearly different lipolysis degrees (LDs), with diversity in digestion products of different IFs. IFs supplied with MLCT showed moderate medium-chain fatty acid release during gastric digestion and higher LD after intestinal digestion. The presence of sn-2 palmitate in IF was associated with higher content of MAG-16:0 in digestion products. The species and contents of digestion products in IF were highly influenced by structured TAGs.
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Affiliation(s)
- Lei Wang
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xinghe Zhang
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Tinglan Yuan
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Qingzhe Jin
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wei Wei
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xingguo Wang
- State Key Lab of Food Science and Technology and Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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53
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Synthesis of symmetrical medium- and long-chain triacylglycerols rich in arachidonic acid at sn-2 position for infant formula. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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54
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Liu L, Lin S, Ma S, Sun Y, Li X, Liang S. A Comparative Analysis of Lipid Digestion in Human Milk and Infant Formulas Based on Simulated In Vitro Infant Gastrointestinal Digestion. Foods 2022; 11:foods11020200. [PMID: 35053931 PMCID: PMC8774497 DOI: 10.3390/foods11020200] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/31/2021] [Accepted: 01/06/2022] [Indexed: 02/04/2023] Open
Abstract
To investigate the lipid digestive behaviors of human and infant formulas and analyze the differences between them, we investigated the fat globule particle size distribution, lipolysis rate, and fatty acid release of infant formulas with different fat sources and human milk using an in vitro infant digestion model. The results suggested that the particle size in infant formula increased rapidly during gastric digestion and decreased significantly after intestinal digestion, whereas the particle size in human milk increased slowly during gastric digestion but increased rapidly during intestinal digestion (p < 0.05). Despite having a larger droplet size, human milk demonstrated a very high lipolysis rate due to the presence of MFGM. In terms of the distribution of fatty acids in digestion products, the proportion of saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs), and polyunsaturated fatty acids (PUFAs) in vegetable oil-based infant formulas was close to that of human milk. The amount of SFAs in milk fat-based infant formulas was significantly higher than that in human milk, and the content of MUFAs in all infant formulas was significantly lower than that in human milk (p < 0.05). After digestion, the most abundant fatty acid released by human milk was C18:2n6c, while the fatty acids released by infant formulas were SFAs, such as C14:0, C16:0, and C18:0.
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Affiliation(s)
- Lu Liu
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
| | - Shuang Lin
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
| | - Shuaiyi Ma
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
| | - Yue Sun
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
| | - Xiaodong Li
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
| | - Shuyan Liang
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
- Food College, Northeast Agricultural University, No. 600 Changjiang St., Xiangfang District, Harbin 150030, China
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55
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Jiang H, Gallier S, Feng L, Han J, Liu W. Development of the digestive system in early infancy and nutritional management of digestive problems in breastfed and formula-fed infants. Food Funct 2022; 13:1062-1077. [DOI: 10.1039/d1fo03223b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Food digestion and absorption in infants are closely related to early growth and long-term health. Human milk and infant formula are the main food sources for 0-6 month-old infants. Due...
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56
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WANG M, XU S, CHEONG LZ, XU X, BI Y, ZHANG H. Development of a reliable pH-STAT in-vitro model for gastrointestinal digestion of lipids and application for infant formula. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.115221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | - Shixiang XU
- Wilmar (Shanghai) Biotechnology Research and Development Center, China
| | | | - Xuebing XU
- Wilmar (Shanghai) Biotechnology Research and Development Center, China
| | - Yanlan BI
- Henan University of Technology, China
| | - Hong ZHANG
- Henan University of Technology, China; Wilmar (Shanghai) Biotechnology Research and Development Center, China
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57
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Rodrigues DB, Marques MC, Hacke A, Loubet Filho PS, Cazarin CBB, Mariutti LRB. Trust your gut: Bioavailability and bioaccessibility of dietary compounds. Curr Res Food Sci 2022; 5:228-233. [PMID: 35106487 PMCID: PMC8787780 DOI: 10.1016/j.crfs.2022.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 12/26/2022] Open
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58
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Chen Y, Callanan M, Giblin L, Tobin J, Brodkorb A. Comparison of conventional heat-treated and membrane filtered infant formula using an in vitro semi-dynamic digestion method. Food Funct 2022; 13:8158-8167. [DOI: 10.1039/d2fo00342b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Introducing membrane filtration steps into infant milk formula (IMF) manufacture can partly preserve native whey proteins in the final products. In this study, IMF produced by membrane filtration (MEM-IMF) and...
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59
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Hussain Zaki UK, Fryganas C, Trijsburg L, Feskens EJM, Capuano E. In vitro gastrointestinal bioaccessibility and colonic fermentation of lignans from fresh, fermented, and germinated flaxseed. Food Funct 2022; 13:10737-10747. [DOI: 10.1039/d2fo02559k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fermented flaxseed improves lignan (SECO) bioaccessibility in the gastrointestinal phase, release and conversion to enterolactone during colon fermentation.
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Affiliation(s)
- Umi Kalsum Hussain Zaki
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
- Food Science and Technology Research Centre, Malaysian Agricultural Research and Development Institute (MARDI), Selangor, Malaysia
| | - Christos Fryganas
- Food Quality & Design Department, Wageningen University & Research, Wageningen, The Netherlands
| | - Laura Trijsburg
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Edith J. M. Feskens
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Edoardo Capuano
- Food Quality & Design Department, Wageningen University & Research, Wageningen, The Netherlands
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60
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Salelles L, Floury J, Le Feunteun S. Pepsin activity as a function of pH and digestion time on caseins and egg white proteins under static in vitro conditions. Food Funct 2021; 12:12468-12478. [PMID: 34788782 DOI: 10.1039/d1fo02453a] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The activity of pepsin, the gastric protease, is generally considered to be negligible for pH ≥ 4, based on the results obtained with a few purified globular proteins. The present study aimed at studying the activity of porcine pepsin on egg white proteins (EWP) and casein micelle micro-aggregates (CA) over a broad range of pH (from 1 to 7) for short (3 min) and long (2 h) digestion times. For a short time, the results confirmed a tendency for a higher rate of hydrolysis with decreasing pH, but with different pH activity profiles for both the substrates. More remarkably, the degree of hydrolysis of CA after 2 h of digestion was constant from pH 1 to pH 5, and was only reduced by half at pH 6. This finding demonstrates that pepsin can hydrolyse caseins from the very beginning of gastric digestion. Interestingly, the trend of the reaction kinetics over 2 h appeared to be rather characteristic of the type of the substrate and was largely independent in terms of pH. Most hydrolysis profiles could be accurately fitted by a power law, an empirical model that was then successfully applied to the static in vitro gastric proteolysis of 6 other food matrices. Overall, our results support the idea that pepsin activity under weakly acidic conditions (pH ≥ 4) should not always be neglected, in particular, for milk caseins, and that pepsin reaction kinetics during static in vitro gastric digestion seems to evolve proportionally to the power of the digestion time.
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Affiliation(s)
- Léa Salelles
- STLO, INRAE, Institut Agro, 65 rue de Saint-Brieuc, 35042 Rennes, France.
| | - Juliane Floury
- STLO, INRAE, Institut Agro, 65 rue de Saint-Brieuc, 35042 Rennes, France.
| | - Steven Le Feunteun
- STLO, INRAE, Institut Agro, 65 rue de Saint-Brieuc, 35042 Rennes, France.
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61
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Zou Z, Duley JA, Cowley DM, Reed S, Arachchige BJ, Koorts P, Shaw PN, Bansal N. Digestibility of proteins in camel milk in comparison to bovine and human milk using an in vitro infant gastrointestinal digestion system. Food Chem 2021; 374:131704. [PMID: 34883428 DOI: 10.1016/j.foodchem.2021.131704] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 09/20/2021] [Accepted: 11/25/2021] [Indexed: 02/05/2023]
Abstract
The absence of β-lactoglobulin, high β-/αs-casein ratio and protective proteins make camel milk a promising alternative protein base for making human infant formulae. In this study, protein digestibility of camel milk was compared with that of bovine and human milk using an in vitro infant gastrointestinal digestion system. A low degree of gastric proteolysis was observed in all three kinds of milk, and a single clot was formed in camel milk. The soluble milk proteins remaining in the gastric digesta were digested rapidly and extensively in the intestinal phase, while the proteins in the camel milk clot were hydrolysed gradually. Despite several similarities, bioactive peptides unique to individual milk were identified in the three intestinal milk digesta. The results suggest that camel milk proteins are equally digestible as bovine and human milk proteins under infant gastrointestinal digestion conditions, and it may be a prospective substitute for infant formula base.
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Affiliation(s)
- Zhengzheng Zou
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, QLD, Australia
| | - John A Duley
- School of Pharmacy, The University of Queensland, Woolloongabba, QLD, Australia
| | - David M Cowley
- Mater Research Institute, The University of Queensland, Woolloongabba, QLD, Australia
| | - Sarah Reed
- Centre for Clinical Research, The University of Queensland, Herston, QLD, Australia
| | | | - Pieter Koorts
- Department of Neonatology, Royal Brisbane and Women's Hospital, Herston, QLD, Australia
| | - Paul N Shaw
- School of Pharmacy, The University of Queensland, Woolloongabba, QLD, Australia
| | - Nidhi Bansal
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, QLD, Australia; School of Pharmacy, The University of Queensland, Woolloongabba, QLD, Australia.
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62
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Kergomard J, Carrière F, Barouh N, Villeneuve P, Vié V, Bourlieu C. Digestibility and oxidative stability of plant lipid assemblies: An underexplored source of potentially bioactive surfactants? Crit Rev Food Sci Nutr 2021:1-20. [PMID: 34839771 DOI: 10.1080/10408398.2021.2005532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Most lipids in our diet come under the form of triacylglycerols that are often redispersed and stabilized by surfactants in processed foods. In plant however, lipid assemblies constitute interesting sources of natural bioactive and functional ingredients. In most photosynthetic sources, polar lipids rich in ω3 fatty acids are concentrated. The objective of this review is to summarize all the knowledge about the physico-chemical composition, digestive behavior and oxidative stability of plant polar lipid assemblies to emphasize their potential as functional ingredients in human diet and their potentialities to substitute artificial surfactants/antioxidants. The specific composition of plant membrane assemblies is detailed, including plasma membranes, oil bodies, and chloroplast; emphasizing its concentration in phospholipids, galactolipids, peculiar proteins, and phenolic compounds. These molecular species are hydrolyzed by specific digestive enzymes in the human gastrointestinal tract and reduced the hydrolysis of triacylglycerols and their subsequent absorption. Galactolipids specifically can activate ileal break and intrinsically present an antioxidant (AO) activity and metal chelating activity. In addition, their natural association with phenolic compounds and their physical state (Lα state of digalactosyldiacylglycerols) in membrane assemblies can enhance their stability to oxidation. All these elements make plant membrane molecules and assemblies very promising components with a wide range of potential applications to vectorize ω3 polyunsaturated fatty acids, and equilibrate human diet.
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Affiliation(s)
- Jeanne Kergomard
- INRAE/UM/Institut Agro, UMR 1208 IATE, Montpellier France.,IPR Institute of Physics, UMR UR1 CNRS 6251, Rennes 1 University, Rennes, France
| | - Frédéric Carrière
- Aix Marseille Université, CNRS, UMR7281 Bioénergétique et lngénierie des Protéines, Marseille, France
| | | | | | - Véronique Vié
- IPR Institute of Physics, UMR UR1 CNRS 6251, Rennes 1 University, Rennes, France
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63
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Chen Y, Kim BJ, Dallas DC. Proteomics analysis reveals digestion-resistant proteins from colostrum are associated with inflammatory and cytotoxic responses in intestinal epithelial cells. JPEN J Parenter Enteral Nutr 2021; 46:1119-1129. [PMID: 34687453 DOI: 10.1002/jpen.2285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/22/2021] [Accepted: 10/19/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND Although human-milk feeding reduces the risk of necrotizing enterocolitis (NEC) in preterm infants compared with formula feeding, the exact risk-reduction mechanism remains unknown. As NEC occurs at the distal small intestine in which digestion has occurred, we applied proteomics to examine the extent to which colostrum proteins survive simulated infant in vitro-digestion and, thus, have potential to exert biological function. METHODS Ten preterm colostrum samples were left undigested or in vitro-digested, and lipopolysaccharide (LPS)-binding protein, soluble cluster of differentiation 14, and tumor necrosis factor (TNF) receptors I and II were measured using enzyme-linked immunosorbent assay in all undigested and in vitro-digested samples. Fully differentiated Caco-2 cells were exposed to digested colostrum samples before stimulation with LPS or TNF or no stimulation. Inflammation (interleukin-8) and cytotoxicity (lactate dehydrogenase) were measured. Proteomic analyses of undigested and in vitro-digested samples were done using mass spectrometry. RESULTS We found that most proteins in colostrum are significantly, if not completely, degraded after in vitro-digestion. We found select individual and combination digestion-resistant proteins that were positively correlated with LPS- and TNF-induced inflammation. CONCLUSION These results indicate the importance of considering the extent to which specific dietary compounds survive digestion to reach their site of claimed action (distal intestine) and that some digestion-resistant proteins may be contributing toward "low-grade" inflammation that is necessary to promote intestinal growth and maturation during early infancy. This work provides the most detailed understanding of human-milk protein degradation with simulated infant in vitro-digestion to date.
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Affiliation(s)
- Yimin Chen
- Department of Kinesiology and Nutrition, University of Illinois at Chicago, Chicago, Illinois, USA.,Margaret Ritchie School of Family and Consumer Sciences, University of Idaho, Moscow, Idaho, USA
| | - Bum Jin Kim
- Oregon State University, Corvallis, Oregon, USA
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64
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Rebellato AP, Silva JGS, de Paiva EL, Arisseto-Bragotto AP, Pallone JAL. Aluminium in infant foods: toxicology, total content and bioaccessibility. Curr Opin Food Sci 2021. [DOI: 10.1016/j.cofs.2021.03.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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65
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Pan Y, Xia Y, Yu X, Hussain M, Li X, Liu L, Wang L, Li C, Leng Y, Jiang S. Comparative Analysis of Lipid Digestion Characteristics in Human, Bovine, and Caprine Milk Based on Simulated In Vitro Infant Gastrointestinal Digestion. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:10104-10113. [PMID: 34449210 DOI: 10.1021/acs.jafc.1c02345] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Lipid digestion characteristics in human, bovine, and caprine milk were investigated using an infant in vitro digestion model. Our results suggested that particle size in bovine and caprine milk increased initially and then decreased over time, whereas the particle size in human milk continuously decreased. The lipolysis degree of human milk (86.8%) was higher than that in bovine (80.2%) and caprine (82.7%) milk (P < 0.05). Compared to human milk, bovine and caprine milk released higher unsaturated fatty acids and lower SFAs. In addition, 12 and 84 glyceride species were significantly different between bovine and human milk, during gastrointestinal digestion (P < 0.05). Another 13 and 92 glyceride species were found to be significantly different between caprine and human milk. A total of 30 and 31 lipids were screened as biomarkers to further clarify the differences related to lipid digestion properties of human, bovine, and caprine milk.
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Affiliation(s)
- Yue Pan
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Yu Xia
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Xiaoxue Yu
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Muhammad Hussain
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Xiaodong Li
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Lu Liu
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Lina Wang
- Food College, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, No. 600 Changjiang Street, Xiangfang District, 150030 Harbin, China
| | - Chunmei Li
- Heilongjiang Institute of Green Food Science, 150028 Harbin, China
| | - Youbin Leng
- Heilongjiang Feihe Dairy Co., Ltd., 100015 Beijing, China
| | - Shilong Jiang
- Heilongjiang Feihe Dairy Co., Ltd., 100015 Beijing, China
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66
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In vitro dynamic digestion of model infant formulae containing lactoferrin and medium chain triacylglycerols. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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67
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Zhang N, Zeng JP, Wu YP, Wei M, Zhang H, Zheng L, Deng ZY, Li J. Human Milk sn-2 Palmitate Triglyceride Rich in Linoleic Acid Had Lower Digestibility but Higher Absorptivity Compared with the sn-2 Palmitate Triglyceride Rich in Oleic Acid in Vitro. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9137-9146. [PMID: 33337143 DOI: 10.1021/acs.jafc.0c05116] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The digestion and absorption of different structural lipids in human milk may be different. Hence, by simulating in vitro infant digestion and Caco-2 cells to explore the effects of 1-oleoyl-2-palmitoyl-3-linoleoylglycerol (OPL)/1,3-dilinoleoyl-2-palmitoylglycerol (LPL)/1,3-dioleoyl-2-palmitoylglycerol (OPO) and their mixtures (M) (OPL/LPL/OPO in M1, M2, and M3 were 1.5/0.5/1, 1.2/1.2/1, and 0.5/0.2/1, respectively) on digestion and absorption. The digestibility of the OPO group was higher than those of the OPL and LPL groups, and the M3 group was higher than the M1 and M2 groups. The synthesis and transport of triglycerides in Caco-2 cells in OPL and LPL groups were higher than the OPO group, and the M1 group was significantly higher than that of M3. The expression of FABP1, PPARα, and MTT protein in OPL and M1 groups was significantly higher than OPO and M3, respectively. There are differences in the digestion and absorption of differently structured lipids from this study.
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Affiliation(s)
- Niu Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jun-Peng Zeng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yan-Ping Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Meng Wei
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Hong Zhang
- Wilmar (Shanghai) Biotechnology Research & Development Center Co. Ltd., Shanghai 200137, China
| | - Liufeng Zheng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Ze-Yuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jing Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
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Lee S, Jo K, Jeong HG, Choi YS, Yong HI, Jung S. Understanding protein digestion in infants and the elderly: Current in vitro digestion models. Crit Rev Food Sci Nutr 2021; 63:975-992. [PMID: 34346822 DOI: 10.1080/10408398.2021.1957765] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The last decades have witnessed a surge of interest in the fate of dietary proteins during gastrointestinal (GI) digestion. Although several in vitro digestion models are available as alternatives to clinical experiments, most of them focus on the digestive conditions of healthy young adults. This study investigates the static/dynamic models used to simulate digestion in infants and the elderly and considers the related in vivo conditions. The in vitro digestive protocols targeting these two groups are summarized, and the challenges associated with the further development of in vitro digestion models are discussed. Static models rely on several factors (e.g., enzyme concentration, pH, reaction time, and rotation speed) to differentiate digestive conditions depending on age. Dynamic models can more accurately simulate the complex digestion process and allow the inclusion of further parameters (sequential secretion of digestive fluids, gradual changes in pH, peristaltic mixing, GI emptying, and the inoculation of luminal microbiota). In the case of infants, age or growth stage clarification and the differentiation of digestive protocols between full-term and preterm infants are required, whereas protocols dealing with various health statuses are required in the case of the elderly, as this group is prone to oral cavity and GI function deterioration.
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Affiliation(s)
- Seonmin Lee
- Division of Animal and Dairy Science, Chungnam National University, Daejeon, Republic of Korea
| | - Kyung Jo
- Division of Animal and Dairy Science, Chungnam National University, Daejeon, Republic of Korea
| | - Hyun Gyung Jeong
- Division of Animal and Dairy Science, Chungnam National University, Daejeon, Republic of Korea
| | - Yun-Sang Choi
- Research Group of Food Processing, Korea Food Research Institute, Wanju, Republic of Korea
| | - Hae In Yong
- Research Group of Food Processing, Korea Food Research Institute, Wanju, Republic of Korea
| | - Samooel Jung
- Division of Animal and Dairy Science, Chungnam National University, Daejeon, Republic of Korea
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69
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Bertsch P, Bergfreund J, Windhab EJ, Fischer P. Physiological fluid interfaces: Functional microenvironments, drug delivery targets, and first line of defense. Acta Biomater 2021; 130:32-53. [PMID: 34077806 DOI: 10.1016/j.actbio.2021.05.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/13/2022]
Abstract
Fluid interfaces, i.e. the boundary layer of two liquids or a liquid and a gas, play a vital role in physiological processes as diverse as visual perception, oral health and taste, lipid metabolism, and pulmonary breathing. These fluid interfaces exhibit a complex composition, structure, and rheology tailored to their individual physiological functions. Advances in interfacial thin film techniques have facilitated the analysis of such complex interfaces under physiologically relevant conditions. This allowed new insights on the origin of their physiological functionality, how deviations may cause disease, and has revealed new therapy strategies. Furthermore, the interactions of physiological fluid interfaces with exogenous substances is crucial for understanding certain disorders and exploiting drug delivery routes to or across fluid interfaces. Here, we provide an overview on fluid interfaces with physiological relevance, namely tear films, interfacial aspects of saliva, lipid droplet digestion and storage in the cell, and the functioning of lung surfactant. We elucidate their structure-function relationship, discuss diseases associated with interfacial composition, and describe therapies and drug delivery approaches targeted at fluid interfaces. STATEMENT OF SIGNIFICANCE: Fluid interfaces are inherent to all living organisms and play a vital role in various physiological processes. Examples are the eye tear film, saliva, lipid digestion & storage in cells, and pulmonary breathing. These fluid interfaces exhibit complex interfacial compositions and structures to meet their specific physiological function. We provide an overview on physiological fluid interfaces with a focus on interfacial phenomena. We elucidate their structure-function relationship, discuss diseases associated with interfacial composition, and describe novel therapies and drug delivery approaches targeted at fluid interfaces. This sets the scene for ocular, oral, or pulmonary surface engineering and drug delivery approaches.
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70
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Sangild PT, Vonderohe C, Melendez Hebib V, Burrin DG. Potential Benefits of Bovine Colostrum in Pediatric Nutrition and Health. Nutrients 2021; 13:nu13082551. [PMID: 34444709 PMCID: PMC8402036 DOI: 10.3390/nu13082551] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/02/2021] [Accepted: 07/13/2021] [Indexed: 12/12/2022] Open
Abstract
Bovine colostrum (BC), the first milk produced from cows after parturition, is increasingly used as a nutritional supplement to promote gut function and health in other species, including humans. The high levels of whey and casein proteins, immunoglobulins (Igs), and other milk bioactives in BC are adapted to meet the needs of newborn calves. However, BC supplementation may improve health outcomes across other species, especially when immune and gut functions are immature in early life. We provide a review of BC composition and its effects in infants and children in health and selected diseases (diarrhea, infection, growth-failure, preterm birth, necrotizing enterocolitis (NEC), short-bowel syndrome, and mucositis). Human trials and animal studies (mainly in piglets) are reviewed to assess the scientific evidence of whether BC is a safe and effective antimicrobial and immunomodulatory nutritional supplement that reduces clinical complications related to preterm birth, infections, and gut disorders. Studies in infants and animals suggest that BC should be supplemented at an optimal age, time, and level to be both safe and effective. Exclusive BC feeding is not recommended for infants because of nutritional imbalances relative to human milk. On the other hand, adverse effects, including allergies and intolerance, appear unlikely when BC is provided as a supplement within normal nutrition guidelines for infants and children. Larger clinical trials in infant populations are needed to provide more evidence of health benefits when patients are supplemented with BC in addition to human milk or formula. Igs and other bioactive factors in BC may work in synergy, making it critical to preserve bioactivity with gentle processing and pasteurization methods. BC has the potential to become a safe and effective nutritional supplement for several pediatric subpopulations.
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Affiliation(s)
- Per Torp Sangild
- Comparative Pediatrics & Nutrition, University of Copenhagen, DK-1870 Copenhagen, Denmark;
- Department of Neonatology, Rigshospitalet, DK-1870 Copenhagen, Denmark
- Department of Pediatrics, Odense University Hospital, DK-5000 Odense, Denmark
| | - Caitlin Vonderohe
- USDA-ARS Children’s Nutrition Research Center, Pediatrics, Gastroenterology & Nutrition, Baylor College of Medicine, Houston, TX 77030, USA; (C.V.); (V.M.H.)
| | - Valeria Melendez Hebib
- USDA-ARS Children’s Nutrition Research Center, Pediatrics, Gastroenterology & Nutrition, Baylor College of Medicine, Houston, TX 77030, USA; (C.V.); (V.M.H.)
| | - Douglas G. Burrin
- USDA-ARS Children’s Nutrition Research Center, Pediatrics, Gastroenterology & Nutrition, Baylor College of Medicine, Houston, TX 77030, USA; (C.V.); (V.M.H.)
- Correspondence: ; Tel.: +1-713-798-7049
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71
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Fournier E, Roussel C, Dominicis A, Ley D, Peyron MA, Collado V, Mercier-Bonin M, Lacroix C, Alric M, Van de Wiele T, Chassard C, Etienne-Mesmin L, Blanquet-Diot S. In vitro models of gut digestion across childhood: current developments, challenges and future trends. Biotechnol Adv 2021; 54:107796. [PMID: 34252564 DOI: 10.1016/j.biotechadv.2021.107796] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 02/08/2023]
Abstract
The human digestion is a multi-step and multi-compartment process essential for human health, at the heart of many issues raised by academics, the medical world and industrials from the food, nutrition and pharma fields. In the first years of life, major dietary changes occur and are concomitant with an evolution of the whole child digestive tract anatomy and physiology, including colonization of gut microbiota. All these phenomena are influenced by child exposure to environmental compounds, such as drugs (especially antibiotics) and food pollutants, but also childhood infections. Due to obvious ethical, regulatory and technical limitations, in vivo approaches in animal and human are more and more restricted to favor complementary in vitro approaches. This review summarizes current knowledge on the evolution of child gut physiology from birth to 3 years old regarding physicochemical, mechanical and microbial parameters. Then, all the available in vitro models of the child digestive tract are described, ranging from the simplest static mono-compartmental systems to the most sophisticated dynamic and multi-compartmental models, and mimicking from the oral phase to the colon compartment. Lastly, we detail the main applications of child gut models in nutritional, pharmaceutical and microbiological studies and discuss the limitations and challenges facing this field of research.
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Affiliation(s)
- Elora Fournier
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France; Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, 31000 Toulouse, France
| | - Charlène Roussel
- Laval University, INAF Institute of Nutrition and Functional Foods, G1V 0A6 Quebec, Canada
| | - Alessandra Dominicis
- European Reference Laboratory for E. coli, Istituto Superiore di Sanità, Rome, Italy
| | - Delphine Ley
- Université Lille 2, Faculté de Médecine, Inserm U995 Nutritional Modulation of Infection and Inflammation, 59045 Lille, France
| | - Marie-Agnès Peyron
- Université Clermont Auvergne, INRAE, UNH, Unité de Nutrition Humaine, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Valérie Collado
- Université Clermont Auvergne, EA 4847, CROC, Centre de Recherche en Odontologie Clinique, 63000 Clermont-Ferrand, France
| | - Muriel Mercier-Bonin
- Toxalim, Research Centre in Food Toxicology, INRAE, ENVT, INP-Purpan, UPS, Université de Toulouse, 31000 Toulouse, France
| | - Christophe Lacroix
- Laboratory of Food Biotechnology, Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zürich, Switzerland
| | - Monique Alric
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Tom Van de Wiele
- Ghent University, Center for Microbial Ecology and Technology (CMET), Coupure Links 653, 9000 Ghent, Belgium
| | - Christophe Chassard
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMRF, 15000 Aurillac, France
| | - Lucie Etienne-Mesmin
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France
| | - Stéphanie Blanquet-Diot
- Université Clermont Auvergne, INRAE, UMR 454 MEDIS, Microbiologie Environnement Digestif et Santé, CRNH Auvergne, 63000 Clermont-Ferrand, France.
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72
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Thum C, Roy NC, Everett DW, McNabb WC. Variation in milk fat globule size and composition: A source of bioactives for human health. Crit Rev Food Sci Nutr 2021; 63:87-113. [PMID: 34190660 DOI: 10.1080/10408398.2021.1944049] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Milk fat globules (MFGs) are secreted from the mammalian gland and are composed of a triacylglycerol core surrounded by a triple membrane structure, the milk fat globule membrane (MFGM). The MFGM contains complex lipids and proteins reported to have nutritional, immunological, neurological and digestive functions. Human and ruminant milk are shown to share a similar MFG structure but with different size, profile and abundance of protein and polar lipids. This review summarizes the reported data on human, bovine, caprine and ovine MFG composition and concentration of bioactive components in different MFG-size fractions. A comprehensive understanding of compositional variations between milk from different species and MFG size fractions may help promote various milk sources as targeted supplements to improve human development and health. MFG size and MFGM composition are species-specific and affected by lactation, diet and breed (or maternal origin). Purification and enrichment methods for some bioactive proteins and lipids present in the MFGM have yet to be established or are not scaled sufficiently to be used to supplement human diets. To overcome this problem, MFG size selection through fractionation or herd selection may provide a convenient way to pre-enrich the MFG fraction with specific protein and lipid components to fulfill human dietary and health requirements.
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Affiliation(s)
- Caroline Thum
- AgResearch, Grasslands Research Centre, Palmerston North, New Zealand.,Riddet Institute, Palmerston North, New Zealand
| | - Nicole C Roy
- AgResearch, Grasslands Research Centre, Palmerston North, New Zealand.,Riddet Institute, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, The University of Auckland, Auckland, New Zealand.,Department of Human Nutrition, University of Otago, Dunedin, New Zealand
| | - David W Everett
- AgResearch, Grasslands Research Centre, Palmerston North, New Zealand.,Riddet Institute, Palmerston North, New Zealand
| | - Warren C McNabb
- Riddet Institute, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, The University of Auckland, Auckland, New Zealand
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73
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Dulko D, Staroń R, Krupa L, Rigby NM, Mackie AR, Gutkowski K, Wasik A, Macierzanka A. The bile salt content of human bile impacts on simulated intestinal proteolysis of β-lactoglobulin. Food Res Int 2021; 145:110413. [PMID: 34112416 DOI: 10.1016/j.foodres.2021.110413] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/27/2021] [Accepted: 05/08/2021] [Indexed: 12/12/2022]
Abstract
The gastrointestinal hydrolysis of food proteins has been portrayed in scientific literature to predominantly depend on the activity and specificity of proteolytic enzymes. Human bile has not been considered to facilitate proteolysis in the small intestine, but rather to assist in intestinal lipolysis. However, human bile can potentially influence proteins that are largely resistant to gastric digestion, and which are mainly hydrolysed after they have been transferred to the small intestine. We used purified and food-grade bovine milk β-lactoglobulin (βLg) to assess the impact of bile salts (BS) on the in vitro gastrointestinal digestion of this protein. Quantitative analysis showed that the proteolysis rate increased significantly with increasing BS concentration. The effect was consistent regardless of whether individual BS or real human bile samples, varying in BS concentrations, were used. The total BS content of bile was more important than its BS composition in facilitating the proteolysis of βlg. We also show that the impact of human bile observed during the digestion of purified βLg and βLg-rich whey protein isolate can be closely replicated by the use of individual BS mixed with phosphatidylcholine. This could validate simple BS/phosphatidylcholine mixtures as human-relevant substitutes of difficult-to-obtain human bile for in vitro proteolysis studies.
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Affiliation(s)
- Dorota Dulko
- Gdańsk University of Technology, Faculty of Chemistry, Department of Colloid and Lipid Science, Gabriela Narutowicza 11/12, 80-322 Gdańsk, Poland
| | - Robert Staroń
- Department of Gastroenterology and Hepatology with Internal Disease Unit, Teaching Hospital No 1, Chopina 2, 35-055 Rzeszów, Poland
| | - Lukasz Krupa
- Department of Gastroenterology and Hepatology with Internal Disease Unit, Teaching Hospital No 1, Chopina 2, 35-055 Rzeszów, Poland
| | - Neil M Rigby
- University of Leeds, School of Food Science and Nutrition, Leeds LS2 9JT, United Kingdom
| | - Alan R Mackie
- University of Leeds, School of Food Science and Nutrition, Leeds LS2 9JT, United Kingdom
| | - Krzysztof Gutkowski
- Department of Gastroenterology and Hepatology with Internal Disease Unit, Teaching Hospital No 1, Chopina 2, 35-055 Rzeszów, Poland
| | - Andrzej Wasik
- Gdańsk University of Technology, Faculty of Chemistry, Department of Analytical Chemistry, Gabriela Narutowicza 11/12, 80-322 Gdańsk, Poland
| | - Adam Macierzanka
- Gdańsk University of Technology, Faculty of Chemistry, Department of Colloid and Lipid Science, Gabriela Narutowicza 11/12, 80-322 Gdańsk, Poland.
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74
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Pica V, Stuknytė M, Masotti F, De Noni I, Cattaneo S. Model infant biscuits release the opioid-acting peptides milk β-casomorphins and gluten exorphins after in vitro gastrointestinal digestion. Food Chem 2021; 362:130262. [PMID: 34118509 DOI: 10.1016/j.foodchem.2021.130262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 05/28/2021] [Accepted: 05/29/2021] [Indexed: 12/19/2022]
Abstract
Infant biscuits (IBs) are commonly used during the complementary feeding of infants from the 6th month of life. They contain wheat flour and dairy ingredients, which can release the opioid-acting peptides β-casomorphins (BCMs) and gluten exorphins (GEs) after gastrointestinal digestion. In the present study, five model IBs were prepared with or without gluten and different powdered milk derivatives in the formulations. IBs were digested simulating an in vitro static gastrointestinal digestion for infants aged 6-12 months. BCMs and GEs were identified and quantified by UPLC/HR-MS. The amounts of BCM7 and the GE A5 were related to the β-CN and gluten content of the formulations. To date, levels of BCMs and GEs in digests of IBs have not been reported in literature. This work represents an in vitro investigation regarding the release of opioid-acting peptides in IBs. It could add additional knowledge on complementary foods for infant health.
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Affiliation(s)
- Valentina Pica
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy
| | - Milda Stuknytė
- Unitech COSPECT - University Technological Platforms Office, Università degli Studi di Milano, Via C. Golgi 19, 20133 Milan, Italy
| | - Fabio Masotti
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy
| | - Ivano De Noni
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy.
| | - Stefano Cattaneo
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l'Ambiente, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy
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75
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Human milk triggers coagulation via tissue factor-exposing extracellular vesicles. Blood Adv 2021; 4:6274-6282. [PMID: 33351123 DOI: 10.1182/bloodadvances.2020003012] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 10/22/2020] [Indexed: 12/11/2022] Open
Abstract
Almost a century ago, it was discovered that human milk activates the coagulation system, but the milk component that triggers coagulation had until now been unidentified. In the present study, we identify this component and demonstrate that extracellular vesicles (EVs) present in normal human milk expose coagulant tissue factor (TF). This coagulant activity withstands digestive conditions, mimicking those of breastfed infants, but is sensitive to pasteurization of pooled donor milk, which is routinely used in neonatal intensive care units. In contrast to human milk, bovine milk, the basis of most infant formulas, lacks coagulant activity. Currently, the physiological function of TF-exposing vesicles in human milk is unknown, but we speculate that these vesicles may be protective for infants. Another explanation could be nipple skin damage, which occurs in most breastfeeding women. Milk-derived TF-exposing EVs may seal the wound and thereby reduce bleeding and breast inflammation.
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76
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He T, Rombouts W, Einerhand AWC, Hotrum N, van de Velde F. Gastric protein digestion of goat and cow milk infant formula and human milk under simulated infant conditions. Int J Food Sci Nutr 2021; 73:28-38. [PMID: 33957845 DOI: 10.1080/09637486.2021.1921705] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The protein digestion kinetics of goat milk infant formula (GMF) is previously shown to be more comparable to that of human milk (HM) than cow milk infant formula (CMF). To evaluate whether gastric behaviour contributes to differences in protein digestion kinetics, fresh HM, a GMF and a CMF were subjected to in vitro gastric digestion simulating infant conditions. Coagulation behaviour, particle size distribution and viscosity of the digesta were evaluated. After centrifugation of the digesta, total solids and protein distribution, and protein hydrolysis in the cream, serum and pellet fraction were investigated. The GMF and CMF were in general similar with respect to physicochemical and protein breakdown properties. However, a number of notable differences in physicochemical behaviour were observed, which may contribute to faster initial protein digestion of GMF. HM behaved differently from both formulas. These differences provide new insights into the possibilities for improvement of infant formulas.
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Affiliation(s)
- Tao He
- Ausnutria B.V., Zwolle, The Netherlands
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77
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Bhat ZF, Morton JD, Bekhit AEDA, Kumar S, Bhat HF. Non-thermal processing has an impact on the digestibility of the muscle proteins. Crit Rev Food Sci Nutr 2021; 62:7773-7800. [PMID: 33939555 DOI: 10.1080/10408398.2021.1918629] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Muscle proteins undergo several processes before being ready in a final consumable form. All these processes affect the digestibility of muscle proteins and subsequent release of amino acids and peptides during digestion in the human gut. The present review examines the effects of different processing techniques, such as curing, drying, ripening, comminution, aging, and marination on the digestibility of muscle proteins. The review also examines how the source of muscle proteins alters the gastrointestinal protein digestion. Processing techniques affect the structural and functional properties of muscle proteins and can affect their digestibility negatively or positively depending on the processing conditions. Some of these techniques, such as aging and mincing, can induce favorable changes in muscle proteins, such as partial unfolding or exposure of cleavage sites, and increase susceptibility to hydrolysis by digestive enzymes whereas others, such as drying and marination, can induce unfavorable changes, such as severe cross-linking, protein aggregation, oxidation induced changes or increased disulfide (S-S) bond content, thereby decreasing proteolysis. The underlying mechanisms have been discussed in detail and the conclusions drawn in the light of existing knowledge provide information with potential industrial importance.
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Affiliation(s)
- Zuhaib F Bhat
- Division of Livestock Products Technology, SKUAST of Jammu, Jammu, India
| | - James D Morton
- Department of Wine Food and Molecular Biosciences, Faculty of Agriculture and Life Sciences, Lincoln University, Christchurch, New Zealand
| | | | - Sunil Kumar
- Division of Livestock Products Technology, SKUAST of Jammu, Jammu, India
| | - Hina F Bhat
- Division of Biotechnology, SKUAST of Kashmir, Srinagar, India
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78
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Niu H, Zhou X, Zhang X, Liu T, Wu Y, Lyu L, Liang C, Chen S, Gong P, Zhang J, Han X, Jiang S, Zhang L. Breast milk contains probiotics with anti-infantile diarrhoea effects that may protect infants as they change to solid foods. Environ Microbiol 2021; 23:1750-1764. [PMID: 33684236 DOI: 10.1111/1462-2920.15390] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022]
Abstract
Infants often experience complementary food-induced diarrhoea (CFID), which occurs when infants switch from breast milk to solid foods. The relative abundances of Prevotella and Rothia were higher in stools of infants with CFID, while the relative abundances of Enterococcus and Escherichia were higher in healthy infants. The abundance of Lactobacillus spp. normally found in breast milk fed to infants with CFID was significantly reduced, and Enterococcus spp. were less abundant when diarrhoea occurred. Furthermore, Lactobacillus and Enterococcus were present as shared bacteria in both mother and infant, and they were considered potential anti-CFID probiotics as their relative abundances in breast milk were negatively correlated to infant CFID. Kyoto encyclopedia of genes and genomes (KEGG) functional analysis showed that the function of amino acid metabolism differed between infants with CFID and healthy infants. Therefore, CFID might be related to the decomposition of proteins in food supplements. The screening revealed seven hydrolytic casein and five hydrolytic casein and rice protein isolates from 320 suspected Lactobacillus and Enterococcus isolates. The animal experiments demonstrated that a mixture of five isolates effectively hydrolysed the casein and rice protein and prevented diarrhoea in young rats. Thus, the occurrence of CFID was found to be closely related to the intestinal and breast milk microbiota, and bacteria that could assist in the digestion of cereal proteins were involved in CFID.
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Affiliation(s)
- Haiyue Niu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | | | | | - Tongjie Liu
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Yifan Wu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Linzheng Lyu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Cong Liang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Shiwei Chen
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Pimin Gong
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
| | - Jiliang Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Xue Han
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Shilong Jiang
- Heilongjiang Feihe Dairy Co. Ltd., Beijing, 100015, China
| | - Lanwei Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, China
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79
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Heerup C, Ebbesen MF, Geng X, Madsen SF, Berthelsen R, Müllertz A. Effects of recombinant human gastric lipase and pancreatin during in vitro pediatric gastro-intestinal digestion. Food Funct 2021; 12:2938-2949. [PMID: 33710204 DOI: 10.1039/d0fo02976a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The aim of the study was to implement a gastric digestion step using recombinant human gastric lipase (rHGL) in an in vitro pediatric gastro-intestinal digestion model to achieve a physiologically relevant gastric contribution to total gastro-intestinal lipid digestion. A commercial infant formula (NAN Comfort stage 1 (NAN1)) with 3.4% lipid and an in-lab prepared oil-in-water emulsion, emulsified with soy phosphatidylcholine (SPCemul), with 3.5% lipid (oil-blend containing Akonino NS, MEG-3 and ARASCO oils) were subjected to in vitro gastro-intestinal digestion. To achieve a physiologically relevant level of gastric digestion, 50 min of in vitro gastric digestion, using either 0, 3.75 or 7.5 TBU mL-1 rHGL, was followed by 90 min of in vitro intestinal digestion, using either 0 or 26.5 TBU mL-1 pancreatic triglyceride lipase (PTL) from porcine pancreatin. The digestion of the substrates was assessed using titration-based quantification supported by HPLC-ELSD analysis. In vitro gastric digestion of NAN1 and SPCemul with either 3.75 or 7.5 TBU mL-1 rHGL contributed with 10-27% of the total gastro-intestinal digestion, corresponding to the reported contribution in human infants. At the end of the gastro-intestinal digestion (t = 140 min), the combined lipolytic effect of rHGL and PTL was additive during digestion of SPCemul, but not for the digestion of NAN1, as all lipase activity combinations resulted in a similar degree of NAN1 digestion. The effect of gastric digestion with rHGL on total digestion therefore appeared to be substrate dependent. To conclude, a gastric digestion step using rHGL resulting in physiologically relevant gastric contribution to the observed gastro-intestinal digestion was successfully implemented into an in vitro pediatric gastro-intestinal digestion model.
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Affiliation(s)
- Christine Heerup
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark.
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80
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Benedé S, Pérez-Rodríguez L, Martínez-Blanco M, Molina E, López-Fandiño R. Oral Exposure to House Dust Mite Activates Intestinal Innate Immunity. Foods 2021; 10:foods10030561. [PMID: 33803079 PMCID: PMC8000190 DOI: 10.3390/foods10030561] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/22/2021] [Accepted: 03/04/2021] [Indexed: 12/21/2022] Open
Abstract
SCOPE House dust mite (HDM) induces Th2 responses in lungs and skin, but its effects in the intestine are poorly known. We aimed to study the involvement of HDM in the initial events that would promote sensitization through the oral route and eventually lead to allergy development. METHODS AND RESULTS BALB/c mice were exposed intragastrically to proteolytically active and inactive HDM, as such, or in combination with egg white (EW), and inflammatory and type 2 responses were evaluated. Oral administration of HDM, by virtue of its proteolytic activity, promoted the expression, in the small intestine, of genes encoding tight junction proteins, proinflammatory and Th2-biasing cytokines, and it caused expansion of group 2 innate immune cells, upregulation of Th2 cytokines, and dendritic cell migration and activation. In lymphoid tissues, its proteolytically inactivated counterpart also exerted an influence on the expression of surface DC molecules involved in interactions with T cells and in Th2 cell differentiation, which was confirmed in in vitro experiments. However, in our experimental setting we did not find evidence for the promotion of sensitization to coadministered EW. CONCLUSION Orally administered HDM upregulates tissue damage factors and also acts as an activator of innate immune cells behaving similarly to potent oral Th2 adjuvants.
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81
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Zou X, Zhang S, Cheng Y, Huang J, He X, Jiang X, Wen Y, Wu S, Zhang H. Lipase‐Catalyzed Interesterification of
Schizochytrium
sp. Oil and Medium‐Chain Triacylglycerols for Preparation of
DHA
‐Rich Medium and Long‐Chain Structured Lipids. J AM OIL CHEM SOC 2021. [DOI: 10.1002/aocs.12457] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaoqiang Zou
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Shiqun Zhang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Yang Cheng
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Jianhua Huang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Xuechun He
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Xuan Jiang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Ye Wen
- Joint Laboratory of Functional Food for Healthy Body Fat Loss Chengdu Tianyi Cuisine Nutritious Food Co., Ltd 360 Tianhui Road, High‐tech Zone Chengdu Sichuan 641400 China
| | - Shibin Wu
- Joint Laboratory of Functional Food for Healthy Body Fat Loss Chengdu Tianyi Cuisine Nutritious Food Co., Ltd 360 Tianhui Road, High‐tech Zone Chengdu Sichuan 641400 China
| | - Hui Zhang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, National Engineering Laboratory for Cereal Fermentation Technology, State Key Laboratory of Food Science and Technology, School of Food Science and Technology Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
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82
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Lemaire M, Ménard O, Cahu A, Nogret I, Briard-Bion V, Cudennec B, Cuinet I, Le Ruyet P, Baudry C, Dupont D, Blat S, Deglaire A, Le Huërou-Luron I. Addition of Dairy Lipids and Probiotic Lactobacillus fermentum in Infant Formulas Modulates Proteolysis and Lipolysis With Moderate Consequences on Gut Physiology and Metabolism in Yucatan Piglets. Front Nutr 2021; 8:615248. [PMID: 33718418 PMCID: PMC7943452 DOI: 10.3389/fnut.2021.615248] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 01/14/2021] [Indexed: 12/29/2022] Open
Abstract
Breast milk is the gold standard in neonatal nutrition, but most infants are fed infant formulas in which lipids are usually of plant origin. The addition of dairy lipids and/or milk fat globule membrane extracts in formulas improves their composition with beneficial consequences on protein and lipid digestion. The probiotic Lactobacillus fermentum (Lf) was reported to reduce transit time in rat pups, which may also improve digestion. This study aimed to investigate the effects of the addition of dairy lipids in formulas, with or without Lf, on protein and lipid digestion and on gut physiology and metabolism. Piglets were suckled from postnatal days 2 to 28, with formulas containing either plant lipids (PL), a half-half mixture of plant and dairy lipids (DL), or this mixture supplemented with Lf (DL+Lf). At day 28, piglets were euthanized 90 min after their last feeding. Microstructure of digesta did not differ among formulas. Gastric proteolysis was increased (P < 0.01) in DL and DL+Lf (21.9 ± 2.1 and 22.6 ± 1.3%, respectively) compared with PL (17.3 ± 0.6%) and the residual proportion of gastric intact caseins decreased (p < 0.01) in DL+Lf (5.4 ± 2.5%) compared with PL and DL (10.6 ± 3.1% and 21.8 ± 6.8%, respectively). Peptide diversity in ileum and colon digesta was lower in PL compared to DL and DL+Lf. DL and DL+Lf displayed an increased (p < 0.01) proportion of diacylglycerol/cholesterol in jejunum and ileum digesta compared to PL and tended (p = 0.07) to have lower triglyceride/total lipid ratio in ileum DL+Lf (0.019 ± 0.003) as compared to PL (0.045 ± 0.011). The percentage of endocrine tissue and the number of islets in the pancreas were decreased (p < 0.05) in DL+Lf compared with DL. DL+Lf displayed a beneficial effect on host defenses [increased goblet cell density in jejunum (p < 0.05)] and a trophic effect [increased duodenal (p = 0.09) and jejunal (p < 0.05) weights]. Altogether, our results demonstrate that the addition of dairy lipids and probiotic Lf in infant formula modulated protein and lipid digestion, with consequences on lipid profile and with beneficial, although moderate, physiological effects.
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Affiliation(s)
- Marion Lemaire
- Institut NuMeCan, INRAE, INSERM, Univ Rennes, St-Gilles, France.,Lactalis R&D, Retiers, France
| | | | - Armelle Cahu
- Institut NuMeCan, INRAE, INSERM, Univ Rennes, St-Gilles, France
| | - Isabelle Nogret
- Institut NuMeCan, INRAE, INSERM, Univ Rennes, St-Gilles, France
| | | | - Benoit Cudennec
- UMR Transfrontalière BioEcoAgro, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV - Institut Charles Viollette, Lille, France
| | | | | | | | | | - Sophie Blat
- Institut NuMeCan, INRAE, INSERM, Univ Rennes, St-Gilles, France
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83
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Lipid Composition, Digestion, and Absorption Differences among Neonatal Feeding Strategies: Potential Implications for Intestinal Inflammation in Preterm Infants. Nutrients 2021; 13:nu13020550. [PMID: 33567518 PMCID: PMC7914900 DOI: 10.3390/nu13020550] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/03/2021] [Accepted: 02/05/2021] [Indexed: 12/18/2022] Open
Abstract
Necrotizing enterocolitis (NEC) is a significant cause of morbidity and mortality in the neonatal population. Formula feeding is among the many risk factors for developing the condition, a practice often required in the cohort most often afflicted with NEC, preterm infants. While the virtues of many bioactive components of breast milk have been extolled, the ability to digest and assimilate the nutritional components of breast milk is often overlooked. The structure of formula differs from that of breast milk, both in lipid composition and chemical configuration. In addition, formula lacks a critical digestive enzyme produced by the mammary gland, bile salt-stimulated lipase (BSSL). The gastrointestinal system of premature infants is often incapable of secreting sufficient pancreatic enzymes for fat digestion, and pasteurization of donor milk (DM) has been shown to inactivate BSSL, among other important compounds. Incompletely digested lipids may oxidize and accumulate in the distal gut. These lipid fragments are thought to induce intestinal inflammation in the neonate, potentially hastening the development of diseases such as NEC. In this review, differences in breast milk, pasteurized DM, and formula lipids are highlighted, with a focus on the ability of those lipids to be digested and subsequently absorbed by neonates, especially those born prematurely and at risk for NEC.
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84
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Kumar P, Pullagurla SR, Patel A, Shukla RS, Bird C, Kumru OS, Hamidi A, Hoeksema F, Yallop C, Bines JE, Joshi SB, Volkin DB. Effect of Formulation Variables on the Stability of a Live, Rotavirus (RV3-BB) Vaccine Candidate using in vitro Gastric Digestion Models to Mimic Oral Delivery. J Pharm Sci 2021; 110:760-770. [PMID: 33035539 PMCID: PMC7815322 DOI: 10.1016/j.xphs.2020.09.047] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/23/2020] [Accepted: 09/29/2020] [Indexed: 12/20/2022]
Abstract
In this work, two different in vitro gastric digestion models were used to evaluate the stability of a live attenuated rotavirus vaccine candidate (RV3-BB) under conditions designed to mimic oral delivery in infants. First, a forced-degradation model was established at low pH to assess the buffering capacity of formulation excipients and to screen for RV3-BB stabilizers. Second, a sequential-addition model was implemented to examine RV3-BB stability under conditions more representative of oral administration to infants. RV3-BB rapidly inactivated at < pH 5.0 (37 °C, 1 h) as measured by an infectivity RT-qPCR assay. Pre-neutralization with varying volumes of infant formula (Enfamil®) or antacid (Mylanta®) conferred partial to full protection of RV3-BB. Excipients with sufficient buffering capacity to minimize acidic pH inactivation of RV3-BB were identified (e.g., succinate, acetate, adipate), however, they concomitantly destabilized RV3-BB in accelerated storage stability studies. Both effects were concentration dependent, thus excipient optimization was required to design candidate RV3-BB formulations which minimize acid-induced viral inactivation during oral delivery while not destabilizing the vaccine during long-term 2-8 °C storage. Finally, a statistical Design -of-Experiments (DOE) study examining RV3-BB stability in the in vitro sequential-addition model identified key formulation parameters likely affecting RV3-BB stability during in vivo oral delivery.
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Affiliation(s)
- Prashant Kumar
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Swathi R Pullagurla
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Ashaben Patel
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Ravi S Shukla
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Christopher Bird
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Ozan S Kumru
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA
| | - Ahd Hamidi
- Batavia Biosciences B.V., Bioscience Park Leiden, Zernikedreef 16, 2333 CL Leiden, the Netherlands
| | - Femke Hoeksema
- Batavia Biosciences B.V., Bioscience Park Leiden, Zernikedreef 16, 2333 CL Leiden, the Netherlands
| | - Christopher Yallop
- Batavia Biosciences B.V., Bioscience Park Leiden, Zernikedreef 16, 2333 CL Leiden, the Netherlands
| | - Julie E Bines
- Murdoch Children's Research Institute, Department of Paediatrics University of Melbourne, Department of Gastroenterology and Clinical Nutrition, Royal Children's Hospital, Parkville, Victoria, Australia 3052
| | - Sangeeta B Joshi
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA.
| | - David B Volkin
- Department of Pharmaceutical Chemistry, Vaccine Analytics and Formulation Center, University of Kansas, Lawrence, KS, 66047, USA.
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85
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Prosser CG. Compositional and functional characteristics of goat milk and relevance as a base for infant formula. J Food Sci 2021; 86:257-265. [DOI: 10.1111/1750-3841.15574] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 11/16/2020] [Accepted: 11/21/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Colin G Prosser
- Dairy Goat Co‐operative (N.Z.) Ltd. 18 Gallagher Drive Hamilton 3240 New Zealand
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86
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Bavaro SL, Mamone G, Picariello G, Callanan MJ, Chen Y, Brodkorb A, Giblin L. Thermal or membrane processing for Infant Milk Formula: Effects on protein digestion and integrity of the intestinal barrier. Food Chem 2021; 347:129019. [PMID: 33484955 DOI: 10.1016/j.foodchem.2021.129019] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/18/2020] [Accepted: 01/03/2021] [Indexed: 11/19/2022]
Abstract
Infant Milk Formula (IMF) is designed as a breastmilk substitute to satisfy the nutritional requirements during the first months of life. This study investigates the effects of two IMF processing technologies on cow milk protein digestion using an infant static in vitro gastrointestinal model. The degree of protein hydrolysis at the end of the gastric phase was 3.7-fold higher for IMF produced by high temperature (IMF-HT), compared to IMF produced by cascade membrane filtration (IMF-CMF), as assessed by free N-terminal group analysis. The processing type also influenced the panel of bioavailable peptides detected in basolateral compartments of Caco-2 monolayers exposed to gastrointestinal digested IMFs. In addition, IMF-CMF significantly increased tight junction protein, claudin 1, whilst IMF-HT significantly reduced tight junction integrity. In conclusion, producing IMF by CMF may preserve intestinal barrier integrity and can deliver its own unique inventory of bioavailable peptides with potential bioactivity.
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Affiliation(s)
- Simona L Bavaro
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
| | - Gianfranco Mamone
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | | | - Michael J Callanan
- School of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
| | - Yihong Chen
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland; School of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
| | - André Brodkorb
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
| | - Linda Giblin
- Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland.
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87
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Pica V, Stuknytė M, Masotti F, De Noni I, Cattaneo S. Bovine milk fortifiers and fortified pasteurized donor human milk for premature infant nutrition. Peptidomic overview. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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88
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Infantes-Garcia M, Verkempinck S, Gonzalez-Fuentes P, Hendrickx M, Grauwet T. Lipolysis products formation during in vitro gastric digestion is affected by the emulsion interfacial composition. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106163] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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89
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Macierzanka A, Ménard O, Dupont D, Gutkowski K, Staroń R, Krupa L. Colloidal transport of lipid digesta in human and porcine small intestinal mucus. Food Res Int 2020; 138:109752. [PMID: 33292935 DOI: 10.1016/j.foodres.2020.109752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/17/2020] [Accepted: 09/25/2020] [Indexed: 02/04/2023]
Abstract
Small intestinal mucus transport of food-derived particulates has not been extensively studied, despite mucus being a barrier nutrients need to cross before absorption. We used complex dispersions of digesta obtained from simulated, dynamic gastrointestinal digestion of yogurt to examine the penetrability of human and porcine mucus to the particles formed of lipolysis products. Quantitative, time-lapse confocal microscopy revealed a sieve-like behaviour of the pig jejunal and ileal mucus. The digesta diffusivity decreased significantly over the first 30 min of mucus penetration, and then remained constant at ca. 5 × 10-12 m2 s-1 (approx. 70% decrease from initial values). A non-significantly different penetrability was recorded for the ileal mucus of adult humans. The digesta diffusion rates in neonatal, jejunal mucus of 2 week old piglets were 5-8 times higher than in the three different types of adult mucus. This is the first report that validates the mucus of fully-grown pigs as a human-relevant substitute for mucus permeation studies of nutrients/bio-actives and/or complex colloidal dispersions (e.g., post-digestion food particulates, orally-administrated delivery systems).
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Affiliation(s)
- Adam Macierzanka
- Gdańsk University of Technology, Faculty of Chemistry, Department of Colloid and Lipid Sciences, Gabriela Narutowicza 11/12, 80-322 Gdańsk, Poland; Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand; Institute of Food Research, Norwich Research Park, Colney Lane, Norwich NR4 7UA, United Kingdom.
| | - Olivia Ménard
- STLO, INRAE, Institut Agro, 65 Rue de St. Brieuc, 35042 Rennes, France
| | - Didier Dupont
- STLO, INRAE, Institut Agro, 65 Rue de St. Brieuc, 35042 Rennes, France
| | - Krzysztof Gutkowski
- Teaching Hospital No 1, Department of Gastroenterology and Hepatology with Internal Disease Unit, Chopina 2, 35-055 Rzeszów, Poland
| | - Robert Staroń
- Teaching Hospital No 1, Department of Gastroenterology and Hepatology with Internal Disease Unit, Chopina 2, 35-055 Rzeszów, Poland
| | - Lukasz Krupa
- Teaching Hospital No 1, Department of Gastroenterology and Hepatology with Internal Disease Unit, Chopina 2, 35-055 Rzeszów, Poland
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90
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Comparing the permeability of human and porcine small intestinal mucus for particle transport studies. Sci Rep 2020; 10:20290. [PMID: 33219331 PMCID: PMC7679454 DOI: 10.1038/s41598-020-77129-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 11/04/2020] [Indexed: 02/06/2023] Open
Abstract
The gastrointestinal mucus layer represents the last barrier between ingested food or orally administered pharmaceuticals and the mucosal epithelium. This complex gel structure plays an important role in the process of small intestinal absorption. It provides protection against hazardous particles such as bacteria but allows the passage of nutrients and drug molecules towards the intestinal epithelium. In scientific research, mucus from animal sources is usually used to simulate difficult-to-obtain human small intestinal mucus for investigating the intramucus transport of drug delivery systems or food nanoparticles. However, there is a lack of evidence the human mucus can be reliably substituted by animal counterparts for human-relevant transport models. In this report, a procedure for collecting human mucus has been described. More importantly, the permeability characteristics of human and porcine small intestinal mucus secretions to sub-micron sized particles have been compared under simulated intestinal conditions. Negatively charged, 500 nm latex beads were used in multiple-particle tracking experiments to examine the heterogeneity and penetrability of mucus from different sources. Diffusion of the probe particles in adult human ileal mucus and adult pig jejunal and ileal mucus revealed no significant differences in microstructural organisation or microviscosity between the three mucus types (P > 0.05). In contrast to this interspecies similarity, the intraspecies comparison of particle diffusivity in the mucus obtained from adult pigs vs. 2-week old piglets showed better penetrability of the piglet mucus. The mean Stokes–Einstein viscosity of the piglet jejunal mucus was approx. two times lower than the viscosity of the pig jejunal mucus (P < 0.05). All mucus structures were also visualised by scanning electron microscopy. This work validates the use of porcine small intestinal mucus collected from fully-grown pigs for studying colloidal transport of sub-micron sized particles in mucus under conditions mimicking the adult human small intestinal environment.
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91
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Navis M, Schwebel L, Soendergaard Kappel S, Muncan V, Sangild PT, Abrahamse E, Aunsholt L, Thymann T, van Elburg RM, Renes IB. Mildly Pasteurized Whey Protein Promotes Gut Tolerance in Immature Piglets Compared with Extensively Heated Whey Protein. Nutrients 2020; 12:nu12113391. [PMID: 33158188 PMCID: PMC7694243 DOI: 10.3390/nu12113391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 12/25/2022] Open
Abstract
Human milk is the optimal diet for infant development, but infant milk formula (IMF) must be available as an alternative. To develop high-quality IMF, bovine milk processing is required to ensure microbial safety and to obtain a protein composition that mimics human milk. However, processing can impact the quality of milk proteins, which can influence gastro-intestinal (GI) tolerance by changing digestion, transit time and/or absorption. The aim of this study was to evaluate the impact of structural changes of proteins due to thermal processing on gastro-intestinal tolerance in the immature GI tract. Preterm and near-term piglets received enteral nutrition based on whey protein concentrate (WPC) either mildly pasteurized (MP-WPC) or extensively heated (EH-WPC). Clinical symptoms, transit time and gastric residuals were evaluated. In addition, protein coagulation and protein composition of coagulates formed during in vitro digestion were analyzed in more detail. Characterization of MP-WPC and EH-WPC revealed that mild pasteurization maintained protein nativity and reduced aggregation of β-lactoglobulin and α-lactalbumin, relative to EH-WPC. Mild pasteurization reduced the formation of coagulates during digestion, resulting in reduced gastric residual volume and increased intestinal tract content. In addition, preterm piglets receiving MP-WPC showed reduced mucosal bacterial adherence in the proximal small intestine. Finally, in vitro digestion studies revealed less protein coagulation and lower levels of β-lactoglobulin and α-lactalbumin in the coagulates of MP-WPC compared with EH-WPC. In conclusion, minimal heat treatment of WPC compared with extensive heating promoted GI tolerance in immature piglets, implying that minimal heated WPC could improve the GI tolerance of milk formulas in infants.
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Affiliation(s)
- Marit Navis
- Tytgat Institute for Intestinal and Liver Research, Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, 1105 BK Amsterdam, The Netherlands; (M.N.); (V.M.)
| | - Lauriane Schwebel
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands; (L.S.); (E.A.)
| | - Susanne Soendergaard Kappel
- Department of Veterinary and Animal Sciences, Comparative Pediatrics & Nutrition, University of Copenhagen, DK-1870 Copenhagen, Denmark; (S.S.K.); (P.T.S.); (L.A.); (T.T.)
- Department of Neonatology, Rigshospitalet, DK-2100 Copenhagen, Denmark
| | - Vanesa Muncan
- Tytgat Institute for Intestinal and Liver Research, Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, 1105 BK Amsterdam, The Netherlands; (M.N.); (V.M.)
| | - Per Torp Sangild
- Department of Veterinary and Animal Sciences, Comparative Pediatrics & Nutrition, University of Copenhagen, DK-1870 Copenhagen, Denmark; (S.S.K.); (P.T.S.); (L.A.); (T.T.)
- Department of Neonatology, Rigshospitalet, DK-2100 Copenhagen, Denmark
- Department of Pediatrics, Odense University Hospital, DK-5000 Odense, Denmark
| | - Evan Abrahamse
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands; (L.S.); (E.A.)
- Laboratory of Food Chemistry, Wageningen University, 6708 PD Wageningen, The Netherlands
| | - Lise Aunsholt
- Department of Veterinary and Animal Sciences, Comparative Pediatrics & Nutrition, University of Copenhagen, DK-1870 Copenhagen, Denmark; (S.S.K.); (P.T.S.); (L.A.); (T.T.)
- Department of Neonatology, Rigshospitalet, DK-2100 Copenhagen, Denmark
| | - Thomas Thymann
- Department of Veterinary and Animal Sciences, Comparative Pediatrics & Nutrition, University of Copenhagen, DK-1870 Copenhagen, Denmark; (S.S.K.); (P.T.S.); (L.A.); (T.T.)
| | - Ruurd M. van Elburg
- Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
| | - Ingrid B. Renes
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands; (L.S.); (E.A.)
- Emma Children’s Hospital, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands;
- Correspondence: ; Tel.: +31-302095000
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92
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Increased protein digestibility of beef with aging in an infant in vitro digestion model. Meat Sci 2020; 169:108210. [DOI: 10.1016/j.meatsci.2020.108210] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 04/24/2020] [Accepted: 06/04/2020] [Indexed: 01/30/2023]
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93
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Vincent M, Ménard O, Etienne J, Ossemond J, Durand A, Buffin R, Loizon E, Meugnier E, Deglaire A, Dupont D, Picaud JC, Knibbe C, Michalski MC, Penhoat A. Human milk pasteurisation reduces pre-lipolysis but not digestive lipolysis and moderately decreases intestinal lipid uptake in a combination of preterm infant in vitro models. Food Chem 2020; 329:126927. [PMID: 32516717 DOI: 10.1016/j.foodchem.2020.126927] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/24/2020] [Accepted: 04/26/2020] [Indexed: 11/19/2022]
Abstract
Donor human milk, pasteurised for safety reasons, is the first alternative for feeding preterm infants when mothers' own milk is unavailable. Breastmilk pasteurisation impact on lipid digestion and absorption was evaluated by a static in vitro digestion model for preterm infants coupled with intestinal absorption using Caco-2/TC7 cells. Lipid absorption was quantified by digital image analysis of lipid droplets, by measurement of basolateral triglyceride concentration and by analysing the expression of major genes involved. After in vitro digestion, lipolysis extent was 13% lower in pasteurised human milk (PHM) than in raw human milk (RHM). In Caco-2/TC7 cells, the number of lipid droplets was identical for both milk types, while the mean droplet area was 17% smaller with PHM. Altogether, pasteurisation decreased the pre-lipolysis of human milk. This initial difference in free fatty acid amount was only partially buffered by the subsequent processes of in vitro digestion and cellular lipid absorption.
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Affiliation(s)
- Marine Vincent
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France; Neonatology Department, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon, France.
| | | | - Julie Etienne
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France; Project-Team BEAGLE, INRIA, Villeurbanne, France.
| | | | - Annie Durand
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Villeurbanne, France.
| | - Rachel Buffin
- Neonatology Department, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon, France.
| | - Emmanuelle Loizon
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France.
| | - Emmanuelle Meugnier
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France.
| | | | | | - Jean-Charles Picaud
- Neonatology Department, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon, France; Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France.
| | - Carole Knibbe
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France; Project-Team BEAGLE, INRIA, Villeurbanne, France.
| | - Marie-Caroline Michalski
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France.
| | - Armelle Penhoat
- Univ Lyon, CarMeN Laboratory, INSERM, INRAE, INSA Lyon, Université Claude Bernard Lyon1, Pierre-Bénite, France.
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94
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Elwakiel M, Boeren S, Wang W, Schols HA, Hettinga KA. Degradation of Proteins From Colostrum and Mature Milk From Chinese Mothers Using an in vitro Infant Digestion Model. Front Nutr 2020; 7:162. [PMID: 33117838 PMCID: PMC7557360 DOI: 10.3389/fnut.2020.00162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/10/2020] [Indexed: 12/14/2022] Open
Abstract
This study provided insights into the degradation of human milk proteins in an in vitro infant digestion model by comparing colostrum (week 1) and mature milk (week 4) of 7 Chinese mothers individually. In this study, we adapted the exiting INFOGEST in vitro model, to conditions representative to infants (0 to 3 month-old). The level of undigested proteins was analyzed by LC-MS/MS after gel-electrophoretic separation and in-gel digestion. The BCA protein assay showed that the total undigested milk protein content decreased from the start to the end of digestion with variations between mothers, especially in the gastric phase (25–80%). Undigested proteins could also still be found after the intestinal phase, ranging from 0.5 to 4.2% of initial protein content. Based on LC-MS/MS analysis, milk protein digestion varied between the mothers individually, especially during the gastric phase. No differences could be observed between protein digestion from colostrum and mature milk after the intestinal phase. The highest levels of proteins remaining after intestinal digestion can be linked to the group immune-active proteins, for all mothers. The level of protease inhibitors and total protein content in the milk did not correlate with the overall proteolysis during digestion. The results also showed that milk serum proteins partly remained after the gastric phase, with 33% remaining from colostrum and 37% remaining from mature milk. More than 40 milk serum proteins were detected after the intestinal phase. Some of the highly abundant milk serum proteins (lactoferrin, serum albumin, bile salt-activated lipase, immunoglobulins, α1-antichymotrypsin) were still partially present intact after the intestinal phase, for all mothers. Caseins were also not completely digested in the gastric phase, with 35% remaining from colostrum and 13% remaining from mature milk. Caseins, on the other hand, were almost completely digested after the intestinal phase. The complete degradation of caseins into peptides might be related to their structural features. Overall, this study showed that digestion differed for the various human milk proteins by adapting an in vitro digestion model to infant physiological conditions, with the main differences between digestion of the milk from individual mothers being observed after gastric digestion.
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Affiliation(s)
- Mohèb Elwakiel
- Food Quality and Design Group, Wageningen University & Research, Wageningen, Netherlands.,Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Wendan Wang
- Inner Mongolia Yili Industrial Group Co., Ltd., Hohhot, China
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University & Research, Wageningen, Netherlands
| | - Kasper A Hettinga
- Food Quality and Design Group, Wageningen University & Research, Wageningen, Netherlands
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95
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Bottani M, Cattaneo S, Pica V, Stuknytė M, Gomarasca M, Lombardi G, Banfi G, Noni ID, Ferraretto A. Gastrointestinal In Vitro Digests of Infant Biscuits Formulated with Bovine Milk Proteins Positively Affect In Vitro Differentiation of Human Osteoblast-Like Cells. Foods 2020; 9:foods9101510. [PMID: 33096628 PMCID: PMC7589107 DOI: 10.3390/foods9101510] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/13/2020] [Accepted: 10/19/2020] [Indexed: 11/17/2022] Open
Abstract
Infant biscuits (IBs) are part of complementary feeding from weaning up to the age of five years. They normally contain bovine milk proteins, which can influence bone development. This potential effect was investigated using experimental baked IBs, which were prepared from doughs containing different type of dairy proteins: milk protein concentrate (IB1), whey protein isolate (IB2), and skimmed milk powder (IB3). Dairy protein-free (IB0) and gluten-free (IB4) biscuits were also formulated. The in vitro gastrointestinal digests of IBs (IBDs) were tested on a co-culture of Caco-2/HT-29 70/30 cells as an in vitro model of human small intestine. None of the IBDs influenced cell viability and monolayer integrity, while IBD0 and IBD4 increased Peptide-YY production. The basolateral contents of Transwell plates seeded with Caco-2/HT-29 70/30 co-culture, mimicking metabolized IBDs (MIBDs), were tested on Saos-2 cells, an in vitro model of human osteoblast-like cells. After incubation, MIBD0, lacking dairy proteins, decreased the cell viability, while MIBD2, containing whey protein isolate, increased both the viability and the number of cells. MIBD2 and MIBD4, the latter containing both casein and whey proteins, increased alkaline phosphatase activity, a bone differentiation marker. These results highlight that IBs containing dairy proteins positively affect bone development.
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Affiliation(s)
- Michela Bottani
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry & Molecular Biology, Via Galeazzi 4, 20161 Milan, Italy; (M.B.); (M.G.); (G.L.); (G.B.)
| | - Stefano Cattaneo
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Via Celoria 2, 20133 Milan, Italy; (S.C.); (V.P.)
| | - Valentina Pica
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Via Celoria 2, 20133 Milan, Italy; (S.C.); (V.P.)
| | - Milda Stuknytė
- Unitech COSPECT—University Technological Platforms Office, University of Milan, Via Golgi 19, 20133 Milan, Italy;
| | - Marta Gomarasca
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry & Molecular Biology, Via Galeazzi 4, 20161 Milan, Italy; (M.B.); (M.G.); (G.L.); (G.B.)
| | - Giovanni Lombardi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry & Molecular Biology, Via Galeazzi 4, 20161 Milan, Italy; (M.B.); (M.G.); (G.L.); (G.B.)
- Department of Athletics, Strength and Conditioning, Poznań University of Physical Education, Królowej Jadwigi 27/39, 61-871 Poznań, Poland
| | - Giuseppe Banfi
- IRCCS Istituto Ortopedico Galeazzi, Laboratory of Experimental Biochemistry & Molecular Biology, Via Galeazzi 4, 20161 Milan, Italy; (M.B.); (M.G.); (G.L.); (G.B.)
- Vita-Salute San Raffaele University, Via Olgettina 58, 20132 Milan, Italy
| | - Ivano De Noni
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Via Celoria 2, 20133 Milan, Italy; (S.C.); (V.P.)
- Correspondence: ; Tel.: +39-02-503-16680
| | - Anita Ferraretto
- Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy;
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96
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Enzymatic and chemical conversions taking place during in vitro gastric lipid digestion: The effect of emulsion droplet size behavior. Food Chem 2020; 326:126895. [DOI: 10.1016/j.foodchem.2020.126895] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 12/12/2022]
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97
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Nebbia S, Giribaldi M, Cavallarin L, Bertino E, Coscia A, Briard-Bion V, Ossemond J, Henry G, Ménard O, Dupont D, Deglaire A. Differential impact of Holder and High Temperature Short Time pasteurization on the dynamic in vitro digestion of human milk in a preterm newborn model. Food Chem 2020; 328:127126. [DOI: 10.1016/j.foodchem.2020.127126] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/19/2020] [Accepted: 05/21/2020] [Indexed: 12/24/2022]
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98
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David S, Magram Klaiman M, Shpigelman A, Lesmes U. Addition of Anionic Polysaccharide Stabilizers Modulates In Vitro Digestive Proteolysis of a Chocolate Milk Drink in Adults and Children. Foods 2020; 9:foods9091253. [PMID: 32906813 PMCID: PMC7555934 DOI: 10.3390/foods9091253] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/19/2020] [Accepted: 08/31/2020] [Indexed: 12/16/2022] Open
Abstract
There is a need to better understand the possible anti-nutritional effect of food stabilizers on the digestibility of important macronutrients, like proteins. This study hypothesized that the anionic nature of κ-, ι-, λ-, Carrageenan (CGN) and xanthan gum directs their interactions with food proteins leading to their subsequent attenuated digestive proteolysis. Model chocolate milk drinks were tested for their colloidal properties, viscosity and proteolytic breakdown in adults and children using in vitro digestion models coupled with proteomic analyses. SDS-PAGE analyses of gastro-intestinal effluents highlight stabilizers hinder protein breakdown in adults and children. Zeta potential and colloidal particle size were the strongest determinants of stabilizers’ ability to hinder proteolysis. LC-MS proteomic analyses revealed stabilizer addition significantly reduced bioaccessibility of milk-derived bioactive peptides with differences in liberated peptide sequences arising mainly from their location on the outer rim of the protein structures. Further, liberation of bioactive peptides emptying from a child stomach into the intestine were most affected by the presence of ι-CGN. Overall, this study raises the notion that stabilizer charge and other properties of edible proteins are detrimental to the ability of humans to utilize the nutritional potential of such formulations. This could help food professionals and regulatory agencies carefully consider the use of anionic stabilizers in products aiming to serve as protein sources for children and other liable populations.
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99
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Beverly RL, Huston RK, Markell AM, McCulley EA, Martin RL, Dallas DC. Differences in human milk peptide release along the gastrointestinal tract between preterm and term infants. Clin Nutr 2020; 40:1214-1223. [PMID: 32800606 DOI: 10.1016/j.clnu.2020.07.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 07/23/2020] [Accepted: 07/31/2020] [Indexed: 01/30/2023]
Abstract
BACKGROUND & AIMS Preterm infants are born with a gastrointestinal tract insufficiently developed to digesting large quantities of human milk proteins. Peptides released from the digestion of human milk proteins have been identified with bioactivities that may be beneficial to the developing infant. However, it is unknown how prematurity affects total and bioactive peptide release along the gastrointestinal tract. The aim of this study was to compare milk peptide release from milk to stomach to stool between preterm and term infants. METHODS Milk, gastric, and stool samples were collected from preterm infants as early collection (days 8 and 9 of life) and late collection (days 21 and 22 of life), and from term infants as early collection. Milk peptides were extracted from the samples and identified using Orbitrap mass spectrometry. Peptide abundance and count were compared across digestion and between the three infant groups at each stage of digestion. RESULTS Total milk peptide count and abundance increased from milk to stomach then decreased in stool. Total peptide release was similar among the three infant groups for milk and stool samples. In the stomach, preterm early collection had significantly higher peptide abundance and count than the other two groups. Patterns for peptide release from individual milk proteins were distinct from total peptide release both across digestion and among the infant groups. When analyzing single peptides, term early collection gastric samples had significantly higher peptide abundance than preterm early collection for a known antimicrobial peptide, QELLLNPTHQIYPVTQPLAPVHNPISV. CONCLUSIONS Preterm and term infants digest milk proteins differently along their gastrointestinal tracts. While preterm infants released more total peptides in the stomach, term infants released specific bioactive peptides at higher abundance. We identified a region at the C-terminus of β-casein that is conserved from milk through stool and from which are released known and potential antimicrobial peptides.
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Affiliation(s)
- Robert L Beverly
- School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR, USA.
| | - Robert K Huston
- Department of Pediatrics, Randall Children's Hospital at Legacy Emanuel, Portland, OR, USA.
| | - Andi M Markell
- Department of Pediatrics, Randall Children's Hospital at Legacy Emanuel, Portland, OR, USA.
| | - Elizabeth A McCulley
- Department of Pediatrics, Randall Children's Hospital at Legacy Emanuel, Portland, OR, USA.
| | - Rachel L Martin
- Department of Pediatrics, Randall Children's Hospital at Legacy Emanuel, Portland, OR, USA.
| | - David C Dallas
- School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR, USA.
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100
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Calcium and phosphorus bioaccessibility from different amino acid-based medical nutrition formulas for infants and children under in vitro digestive conditions. CLINICAL NUTRITION EXPERIMENTAL 2020. [DOI: 10.1016/j.yclnex.2020.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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