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Sun Y, Ding Y, Liu B, Guo J, Su Y, Yang X, Man C, Zhang Y, Jiang Y. Recent advances in the bovine β-casein gene mutants on functional characteristics and nutritional health of dairy products: Status, challenges, and prospects. Food Chem 2024; 443:138510. [PMID: 38281416 DOI: 10.1016/j.foodchem.2024.138510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/04/2024] [Accepted: 01/17/2024] [Indexed: 01/30/2024]
Abstract
β-casein is the second most abundant form of casein in milk. Changes in amino acid sequence at specific positions in the primary structure of β-casein in milk will produce gene mutations that affect the physicochemical properties of dairy products and the hydrolysis site of digestive enzymes. The screening method of β-casein allele frequency detection in dairy products also has attracted the extensive attention of scientists and farmers. The A1 and A2 β-casein is the two usual mutation types, distinguished by histidine and proline at position 67 in the peptide chain. This paper summarizes the effects of A1 and A2 β-casein on the physicochemical properties of dairy products and evaluates the effects on human health, and the genotyping methods were also concluded. Impressively, this review presents possible future opportunities and challenges for the promising field of A2 β-casein, providing a valuable reference for the development of the functional dairy market.
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Affiliation(s)
- Yilin Sun
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yixin Ding
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Biqi Liu
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Jinfeng Guo
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yue Su
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyan Yang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Chaoxin Man
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yu Zhang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, Department of Food Science, Northeast Agricultural University, Harbin 150030, China; Food Laboratory of Zhongyuan, Luohe, Henan 462300, China.
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2
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Ahmadi E, Vasiljevic T, Huppertz T. Influence of Heating Temperature and pH on Acid Gelation of Micellar Calcium Phosphate-Adjusted Skim Milk. Foods 2024; 13:1724. [PMID: 38890952 PMCID: PMC11172180 DOI: 10.3390/foods13111724] [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: 05/09/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/20/2024] Open
Abstract
Micellar calcium phosphate (MCP) plays an important role in maintaining the structure and stability of the casein micelle and its properties during processing. The objective of this study was to investigate how heating (10 min at 80 or 90 °C) at different pH levels (6.3, 6.6, 6.9, or 7.2) impacted the acid-induced gelation of MCP-adjusted milk, containing 67 (MCP67), 100 (MCP100), or 113 (MCP113) % of the original MCP content. The unheated sample MCP100 at pH 6.6 was considered the control. pH acidification to pH 4.5 at 30 °C was achieved with glucono delta-lactone while monitoring viscoelastic behaviour by small-amplitude oscillatory rheology. The partitioning of calcium and proteins between colloidal and soluble phases was also examined. In MCP-depleted skim milk samples, the concentrations of non-sedimentable caseins and whey proteins were higher compared to the control and MCP-enriched skim milk samples. The influence of MCP adjustment on gelation was dependent on pH. Acid gels from sample MCP67 exhibited the highest storage modulus (G'). At other pH levels, MCP100 resulted in the greatest G'. The pH of MCP-adjusted skim milk also impacted the gel properties after heating. Overall, this study highlights the substantial impact of MCP content on the acid gelation of milk, with a pronounced dependency of the MCP adjustment effect on pH variations.
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Affiliation(s)
- Elaheh Ahmadi
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities, College of Health and Biomedicine, Victoria University, Melbourne 8001, Australia (T.V.)
| | - Todor Vasiljevic
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities, College of Health and Biomedicine, Victoria University, Melbourne 8001, Australia (T.V.)
| | - Thom Huppertz
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities, College of Health and Biomedicine, Victoria University, Melbourne 8001, Australia (T.V.)
- FrieslandCampina, 3818LE Amersfoort, The Netherlands
- Food Quality & Design Group, Wageningen University and Research, 6708WH Wageningen, The Netherlands
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3
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Ahmed SA, Helmy WA, Ibrahim OA. Evaluation of lupine seeds (Lupinus albus L.) neutral extract as a texture improver in low-fat yogurt production. Int J Biol Macromol 2024; 263:130303. [PMID: 38382785 DOI: 10.1016/j.ijbiomac.2024.130303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/07/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
Aqueous lupine seeds (Lupinus albus L.) extracts were evaluated as a natural fat substitute in low-fat yogurt production. Thus, the chemical composition, particle size, molecular weight, total phenolic (TPC), and total flavonoids (TFC) of the selected extract were estimated. Also, the antimicrobial activity and antioxidant capacity of selected extract were investigated. Yogurt with neutral lupine extract (NeLP) had the highest all sensorial attributes compared to other extracts. Also, the incorporation of NeLP during low-fat yogurt processing increased the solid content, and viscosity, as well as improved the textural profile and sensorial attributes without any negative effect on the yogurt's color. SEM micrographs of NeLP-yogurt microstructure showed a matrix characterized by large fused casein micelles clusters with comparatively lower porosity compared to control yogurt (without NeLP). The chemical composition of NeLP indicated that the major sugar constituents are glucose and galactose with different molar fractions. The molecular weight of NeLP is 460.5 kDa with a particle size of 1519.9 nm. Also, IC50 of NeLP is 0.589 mg/ml, while TPC and TFC are 7.17, and 0.0137 g/100 g sample, respectively. Hence, lupine neutral extract (0.25%) could be used as a fat replacer or texture improver ingredient in such low-fat yogurt which led to improved its characteristics without any negative defect during 7 days at 5 °C.
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Affiliation(s)
- Samia A Ahmed
- Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt.
| | - Wafaa A Helmy
- Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt
| | - Osama A Ibrahim
- Dairy Science Department, Industries and Nutrition Research Institute, National Research Centre, Giza, Egypt
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4
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Jeong H, Park YS, Yoon SS. A2 milk consumption and its health benefits: an update. Food Sci Biotechnol 2024; 33:491-503. [PMID: 38274187 PMCID: PMC10806982 DOI: 10.1007/s10068-023-01428-5] [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: 07/05/2023] [Revised: 08/26/2023] [Accepted: 08/30/2023] [Indexed: 01/27/2024] Open
Abstract
Milk is a widely consumed nutrient-rich food containing protein variants such as casein A2 and A1. A1 differs from A2 in an amino acid at position 67 (Pro67 to His67). The breakdown of β-casein yields β-casomorphins (BCM), among which BCM-7 is extensively studied for its effects on the human body. Animal studies have shown that A1 β-casein milk increases digestive transit time and enhances myeloperoxidase activity. Individuals with lactose intolerance prefer A2 milk to conventional A1 milk, as BCM-7 in A1 milk can lead to inflammation and discomfort in sensitive individuals. A2 milk, which contains A2 β-casein, is believed to be more easily digestible than A1 β-casein. Its popularity has grown owing to reports linking A1 casein to diseases such as type 1 diabetes, heart disease, and autism. A2 milk has gained popularity as an alternative to A1 milk, primarily because of its potential benefits for individuals with certain diseases. This review aims to provide an updated understanding of A2 milk consumption and its health benefits. This review aims to provide an updated understanding of A2 milk consumption and its health benefits.
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Affiliation(s)
- Huijin Jeong
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120 Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120 Republic of Korea
| | - Sung-Sik Yoon
- Division of Biological Science and Technology, Yonsei University, Wonju, 26493 Republic of Korea
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Shi Z, Chen H, He J, Zhang W, Lin H. The Addition of Resveratrol-Loaded Emulsions to Yogurts: Physicochemical Characterization, In Vitro Bioaccessibility and NMR-Based Nutritional Profiles. Foods 2024; 13:426. [PMID: 38338561 PMCID: PMC10855275 DOI: 10.3390/foods13030426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/24/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024] Open
Abstract
In this study, resveratrol-loaded nano-emulsions were added to yogurts, improving the physicochemical properties and functional factors and realizing the development of nutrient-fortified yogurt. Yogurts added with free resveratrol (Y-R), resveratrol-loaded emulsions stabilized by sodium caseinate (Y-NN), decaglycerol monooleate (Y-DN), and sodium caseinate-decaglycerol monooleate (Y-DND) were evaluated for their physicochemical properties, including pH, titratable acidity, syneresis, and textural parameters, with 5-day intervals for 15-day storage. The resveratrol retention rate was analyzed in the Y-R, Y-NN, Y-DN, and Y-NDN groups during 15 days of storage. The dynamic bioaccessibility of resveratrol and the NMR-based nutritional profile of yogurt in the Y-R, Y-NN, Y-DN, and the Y-NDN group were investigated after in vitro digestion. The results demonstrated that the addition of resveratrol emulsion decreased the hardness of yogurt while evaluating its titratable acidity and water-holding capacity, which were characterized by high stability. The stability of resveratrol added in the form of an emulsion was significantly higher than that of the free form. Compared with the other groups, the yogurt formulated with sodium caseinate/decaglycerol monooleate (NaCas/DGMO) emulsion showed the highest resveratrol retention rate, about 70%. In vitro digestion showed that encapsulation effectively and persistently improved the dynamic bioaccessibility of resveratrol. Additionally, NMR-based nutritional profile analysis before and after in vitro digestion demonstrated that resveratrol emulsion nutritional fortification promoted the release of nutrients, improving the nutritional value of yogurt. These findings offered theoretical guidance and technical support for the use of resveratrol nano-emulsions in yogurt.
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Affiliation(s)
- Zihui Shi
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.S.); (J.H.)
| | - Huan Chen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.S.); (J.H.)
| | - Junbo He
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.S.); (J.H.)
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, Wuhan 430023, China
| | - Weinong Zhang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.S.); (J.H.)
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, Wuhan 430023, China
| | - Hong Lin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (Z.S.); (J.H.)
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, Wuhan 430023, China
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Mirarab Razi S, Mohebbi M, Mirzababaee SM, Hesarinejad MA, Khalilian Movahed M. The effect of high hydrostatic pressure on the structure of whey proteins-guar gum mixture. Heliyon 2024; 10:e24140. [PMID: 38234892 PMCID: PMC10792572 DOI: 10.1016/j.heliyon.2024.e24140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024] Open
Abstract
The effect of high hydrostatic pressure (HHP) on the structural properties of whey protein concentrate (WPC) and guar gum mixture has been investigated at pH 5. WPC (6 % w/v) and guar gum (0.25 % w/v) mixture was freeze dried after adjusting pH and treated at different pressure levels (0-600 MPa) for 0-30 min. The solubility of treated powders decreased significantly (p < 0.05) as treatment time and pressure levels increased. Thermal analysis showed an increase in denaturation temperature after HHP treatment at 600 MPa. A more crystalline structure was observed in samples treated with 600 MPa for 20 and 30 min. With increasing pressure and time, particle size of the samples increased and the highest particle size was belonged to sample treated at 600 MPa for 30 min (759.66 nm). SEM results exhibited that by applying the pressure, irregularity of shapes and particle size increased while the apparent cracks decreased. FTIR results indicated that HHP treatment changed shift in bond and peak intensity. As reported in the current study, the application of HHP treatment as a green physical technology on protein-polysaccharide mixture could be used to improve interaction of protein and polysaccharide.
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Affiliation(s)
- Saeed Mirarab Razi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Mohebbat Mohebbi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Seyyed Mahdi Mirzababaee
- Department of Food Industry Machineries, Research Institute of Food Science and Technology, Mashhad, Iran
| | | | - Mohammad Khalilian Movahed
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
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Kayihura JF. Structural dependence of concentrated skim milk curd on micellar restructuring. Heliyon 2024; 10:e24046. [PMID: 38230241 PMCID: PMC10789638 DOI: 10.1016/j.heliyon.2024.e24046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 11/23/2023] [Accepted: 01/02/2024] [Indexed: 01/18/2024] Open
Abstract
This study was conducted to establish an understanding of how milk concentration modulates the rennet curd structure. Rennet-induced gelation and renneting under slow acidification achieved using glucono-δ-lactone (GDL) and structural properties of reconstituted skim milk gels at two concentration levels (9 and 25 % total solids) were studied by measuring variations in (a) viscoelastic behaviour, (b) micellar size, charge density, diffusivity, and (c) hydrophobicity using dynamic rheometry, dynamic light scattering and fluorimetry, respectively. Concentrated milk showed a greater estimated hydrodynamic radius of casein micelles, lower zeta (ζ)-potential, ratio of serum to total Calcium (Ca) and charge density and increased surface hydrophobicity, all supporting the view that micellar restructuring particularly sub-particle transfer takes place and contributes to rapid gelation. Moreover, hydrophobic interactions occurred very quickly (within 5 min in combined gels, 10 min for renneting only), demonstrating their pivotal role during the flocculation stage. All gels exhibited a solid viscoelastic character as the elastic modulus (G') was greater than loss modulus (G″) while both G' and tan δ (G''/G') were frequency-dependent. Frequency sweeps classified the concentrated gels into three stiffness categories caused by the level of rennet or GDL as rigid, hard and soft, whereas an increased flow-like behaviour (high tan δ), restricted diffusion and excessive water retention revealed limited structural rearrangements (contraction & macrosyneresis) during curd ageing. Acidification increased the diffusion rate in control curd, thus, enhanced contractive rearrangements, macrosyneresis and curd strength. Findings suggest that micellar restructuring induced by milk concentration is the principal modulator of the curd structure.
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Affiliation(s)
- Joseph F. Kayihura
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities, College of Health and Biomedicine, Victoria University, Victoria 3030, Australia
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Wang F, Fan W, Wang B, Han Y, Sun X. Characterizing acidified and renneted gels with different soy milk and skim milk proportions. Food Res Int 2023; 172:113207. [PMID: 37689953 DOI: 10.1016/j.foodres.2023.113207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 09/11/2023]
Abstract
To understand the properties of differently acidified and renneted gels with different soy milk and skim milk proportions, mixed milks were prepared and treated using sequenced renneting then acidification at 4 °C, and the formation, spontaneous whey separation, and microstructure of the gels were monitored. The results showed that both acidification and renneting promoted gel formation in mixed milk and increased gel strength. In gels, the pH range was narrow (pH ≤ 5.2) at low soy milk proportion (25%) and low renneting degrees (0%, 25% and 50%), and the pH range was extended such that gels were formed with increasing soy milk proportion and renneting degree. When compared with pH, soy milk proportion and renneting degree influenced whey separation percentages more strongly. Soy milk significantly reduced whey separation percentages in gels, and gel strength was highest at 50% soy milk. Protein aggregates sizes increased with increasing soy milk proportion at the 75% renneting degree, and the pore sizes of skim milk-dominated gels was strongly influenced by acidification. These results help us understand mixed gel properties and provide valuable information for the manufacture of mixed fermented dairy products.
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Affiliation(s)
- Fang Wang
- School of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Green Food Processing and Quality Control, Ludong University, Yantai 264025, Shandong, China.
| | - Wanning Fan
- Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China
| | - Bingshou Wang
- School of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Green Food Processing and Quality Control, Ludong University, Yantai 264025, Shandong, China
| | - Yixuan Han
- Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China
| | - Xuemei Sun
- School of Food Engineering, Yantai Key Laboratory of Nanoscience and Technology for Prepared Food, Yantai Engineering Research Center of Green Food Processing and Quality Control, Ludong University, Yantai 264025, Shandong, China
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Shaheryar M, Afzaal M, Nosheen F, Imran A, Islam F, Noreen R, Shehzadi U, Shah MA, Rasool A. Functional exploration of taro starch ( Colocasia esculenta) supplemented yogurt. Food Sci Nutr 2023; 11:2697-2707. [PMID: 37324901 PMCID: PMC10261725 DOI: 10.1002/fsn3.3358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 06/17/2023] Open
Abstract
Stabilizers are essential components of manufactured products such as yogurt. The addition of stabilizers improves the body, texture, appearance, and mouth feel of yogurt while also preventing technical defects such as syneresis. A study was conducted to optimize the concentration of taro starch in yogurt. The yogurt was fortified at different concentrations of taro starch. Taro starch levels were 0%, 0.5%, 1%, 1.5%, 2%, 2.5%, and 3%, with different storage times (0, 14, and 28 days). The Tukey honesty test was used for mean comparison (p < .1). The results of the study showed that maximum moisture and protein content was taken by using 0.5% taro starch and stored for 0 days while maximum fat % was attained in 1.5% taro starch treatment and storage time was 0 days. The maximum water-holding capacity was increased by adding 1.5% taro starch under 14 days' storage time. Water-holding capacity started decreasing with the increasing taro concentration. The acidity of yogurt started increasing with the increasing taro starch and the maximum acidity was taken at 2.5% taro starch concentration. The viscosity of the yogurt was maximum at 2% taro starch. As far as it concerned, sensory evolution, aroma, and taste started changing with the increasing taro starch concentration and increasing storage time. The study's goals were to optimize the taro concentration for stabilizing the yogurt synthesis and to probe the impact of taro starch on the physiochemical attributes of yogurt.
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Affiliation(s)
- Muhammad Shaheryar
- Department of HomecnomicsGovernment College UniversityFaisalabadPakistan
| | - Muhammad Afzaal
- Department of Food ScienceGovernment College UniversityFaisalabadPakistan
| | - Farhana Nosheen
- Department of HomecnomicsGovernment College UniversityFaisalabadPakistan
| | - Ali Imran
- Department of Food ScienceGovernment College UniversityFaisalabadPakistan
| | - Fakhar Islam
- Department of Food ScienceGovernment College UniversityFaisalabadPakistan
- Department of Clinical NutritionNUR International UniversityLahorePakistan
| | - Rabia Noreen
- Department of HomecnomicsGovernment College UniversityFaisalabadPakistan
| | - Umber Shehzadi
- Department of Food ScienceGovernment College UniversityFaisalabadPakistan
| | - Mohd Asif Shah
- Adjunct FacultyUniversity Center for Research & DevelopmentChandigarh UniversityMohaliPunjabIndia
| | - Adil Rasool
- Department of ManagementBakhtar UniversityKabulAfghanistan
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Cota-López R, Velazquez G, Méndez-Montealvo G, Pérez-Ramírez IF, Murúa-Pagola B, Espinoza-Mellado R, Hernández-Gama R. Effect of adding high concentrations of retrograded starch with different amylose content on the physicochemical properties and sensory attributes of Greek-style yogurt. Int J Biol Macromol 2023; 241:124501. [PMID: 37085074 DOI: 10.1016/j.ijbiomac.2023.124501] [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: 10/25/2022] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 04/23/2023]
Abstract
It is well known that using retrograded starches confers many technological advantages, as well as health benefits when consumed in adequate doses; however, these properties are closely related to the type of starch and/or the treatment applied, therefore, it is of interest to add retrograded starch to popular products such as Greek yogurt. The aim of this work was to investigate the effect of adding two types of retrograded corn starch with different amylose content to a non-strained type of Greek-style yogurt. Retrograded starch from starch containing 27 % (RNS) or 70 % (RHS) amylose was added to yogurt at 0, 10, 12.5, or 15 g/100 g before storage at 4 °C for 14 d. The resistant starch (RS) content, pH, syneresis, flow behavior index, and consistency index, were measured every week. A sensory test was carried out in yogurt added with 12.5 g/100 g of retrograded starches to evaluate acceptability. Adding retrograded starch significantly reduced syneresis while increasing the consistency, firmness, and resistant starch content of the yogurt. No significant differences in general acceptance were observed in samples added with RNS when compared to control. Although a significant difference was observed after adding RHS, the acceptance of the product is still convenient. Adding a high concentration of retrograded starch could help to ensure doses enough for a prebiotic effect of RS with concentrations of 1.74 ± 0.37 to 2.32 ± 0.09 g/100 g and from 3.5 ± 0.08 to 4.21 ± 0.08 g/100 g when RNS or RHS is added while maintaining the quality characteristics of Greek-style yogurt during storage without compromising the acceptability.
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Affiliation(s)
- Rubén Cota-López
- Instituto Politecnico Nacional, Centro de Investigacion en Ciencia Aplicada y Tecnologia Avanzada, Cerro Blanco No. 141. Col. Colinas del Cimatario, Santiago de Queretaro, Queretaro C.P. 76090, Mexico
| | - Gonzalo Velazquez
- Instituto Politecnico Nacional, Centro de Investigacion en Ciencia Aplicada y Tecnologia Avanzada, Cerro Blanco No. 141. Col. Colinas del Cimatario, Santiago de Queretaro, Queretaro C.P. 76090, Mexico.
| | - Guadalupe Méndez-Montealvo
- Instituto Politecnico Nacional, Centro de Investigacion en Ciencia Aplicada y Tecnologia Avanzada, Cerro Blanco No. 141. Col. Colinas del Cimatario, Santiago de Queretaro, Queretaro C.P. 76090, Mexico.
| | - Iza F Pérez-Ramírez
- Posgrado en Ciencia y Tecnología de los Alimentos, Research and Graduate Studies in Food Science, School of Chemistry, Universidad Autonoma de Queretaro, Cerro de las Campanas S/N. Col. Centro, C.P. 76010 Santiago de Queretaro, Mexico
| | - Beneranda Murúa-Pagola
- Planta Lacteos Universidad Autonoma de Queretaro, Cerro de las Campanas S/N. Col. Centro, C.P. 76010 Santiago de Queretaro, Mexico
| | - Rosario Espinoza-Mellado
- Instituto Politecnico Nacional, Central de Instrumentacion de Microscopia, Escuela Nacional de Ciencias Biologicas, Prolongacion de Carpio y Plan de Ayala, 11340 Mexico City, CDMX, Mexico.
| | - Regina Hernández-Gama
- Instituto Politecnico Nacional, Centro de Investigacion en Ciencia Aplicada y Tecnologia Avanzada, Cerro Blanco No. 141. Col. Colinas del Cimatario, Santiago de Queretaro, Queretaro C.P. 76090, Mexico.
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11
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Ferreira AN, Da Silva AT, Nascimento JSD, Souza CBD, Silva MDC, Grillo LAM, Luz JMRD, Pereira HJV. Production, characterization, and application of a new chymotrypsin-like protease from Pycnoporus sanguineus. BIOCATAL BIOTRANSFOR 2023. [DOI: 10.1080/10242422.2023.2196362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
Affiliation(s)
| | | | | | - Cledson Barros de Souza
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | - Monizy da Costa Silva
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceió, Alagoas, Brazil
| | | | - José Maria Rodrigues da Luz
- Universidade Federal de Viçosa (UFV), Departamento de Microbiologia, Laboratório de Associações Micorrizicas -LAMIC, Viçosa, Minas Gerais, Brazil
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12
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Li S, Delger M, Dave A, Singh H, Ye A. Acid and rennet gelation properties of sheep, goat, and cow milks: Effects of processing and seasonal variation. J Dairy Sci 2023; 106:1611-1625. [PMID: 36631324 DOI: 10.3168/jds.2022-22561] [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: 07/21/2022] [Accepted: 10/04/2022] [Indexed: 01/11/2023]
Abstract
Gelation is an important functional property of milk that enables the manufacture of various dairy products. This study investigated the acid (with glucono-δ-lactone) and rennet gelation properties of differently processed sheep, goat, and cow milks using small-amplitude oscillatory rheological tests. The impacts of ruminant species, milk processing (homogenization and heat treatments), seasonality, and their interactions were studied. Acid gelation properties were improved (higher gelation pH, shorter gelation time, and higher storage modulus (G') by intense heat treatment (95°C for 5 min) to comparable extents for sheep and cow milks, both better than those for goat milk. Goat milk produced weak acid gels with low G' (<100 Pa) despite improvements induced by heat treatments. Seasonality had a marked impact on the acid gelation properties of sheep milk. The acid gels of late-season sheep milk had a lower gelation pH, no maximum in tan δ following gel formation, and 70% lower G' values than those from other seasons. We propose the potential key role of a critical acid gelation pH that induces structural rearrangements in determining the viscoelastic properties of the final gels. For rennet-induced gelation, compared with cow milk, the processing treatments of the goat and sheep milks had much smaller impacts on their gelation properties. Intense heat treatment (95°C for 5 min) prolonged the rennet gelation time of homogenized cow milk by 8.6 min (74% increase) and reduced the G' of the rennet gels by 81 Pa (85% decrease). For sheep and goat milks, the same treatment altered the rennet gelation time by only less than 3 min and the G' of the rennet gels by less than 14 Pa. This difference may have been caused by the different physicochemical properties of the milks, such as differences in their colloidal stability, proportion of serum-phase caseins, and ionic calcium concentration. The seasonal variations in the gelation properties (both acid and rennet induced) of goat milk could be explained by the minor variation in its protein and fat contents. This study provides new perspectives and understandings of milk gelation by demonstrating the interactive effects among ruminant species, processing, and seasonality.
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Affiliation(s)
- Siqi Li
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand.
| | - Munkhzul Delger
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Anant Dave
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Harjinder Singh
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
| | - Aiqian Ye
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand.
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Zhao J, Bhandari B, Gaiani C, Prakash S. Fermentation of almond-based gel incorporated with double emulsion (W1/O/W2): a study on gel properties and effectiveness of double emulsion as a fat replacer. FOOD STRUCTURE 2023. [DOI: 10.1016/j.foostr.2023.100322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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14
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Li Z, Li T, Zhao M, Cui B, Hemar Y. Rheological and microstructural characterisation of lotus seed milks and their glucono-δ-lactone induced acid-set milk gels: 1. Effect of protein content. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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15
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Hellebois T, Canuel R, Addiego F, Audinot JN, Gaiani C, Shaplov AS, Soukoulis C. Milk protein-based cryogel monoliths as novel encapsulants of probiotic bacteria. Part I: Microstructural, physicochemical, and mechanical characterisation. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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16
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Zhang Y, Song B, Wang X, Zhang W, Zhu H, Pang X, Wang Y, Xie N, Zhang S, Lv J. Rheological properties and microstructure of rennet-induced casein micelle/κ-carrageenan composite gels. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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17
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Wang F, Tian S, Fan W, Sun X. Effect of jujube pulp on rennet-induced coagulation properties of milk with different fat contents. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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18
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Li H, Zhang L, Jia Y, Yuan Y, Li H, Cui W, Yu J. Application of whey protein emulsion gel microparticles as fat replacers in low-fat yogurt: Applicability of vegetable oil as the oil phase. J Dairy Sci 2022; 105:9404-9416. [DOI: 10.3168/jds.2022-22314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/28/2022] [Indexed: 11/18/2022]
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Harnessing the untapped potential of indigenous cow milk in producing set-type yoghurts: case of Thamankaduwa White and Lankan cattle. J DAIRY RES 2022; 89:419-426. [PMID: 36384645 DOI: 10.1017/s0022029922000693] [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: 11/18/2022]
Abstract
This research paper assessed textural, microstructural, sensory and colour properties of set-yoghurts produced using milk from two indigenous cattle types, Thamankaduwa White (TW) and Lankan cattle (LC) compared to two generic cattle breeds, Friesian and Jersey. Instrumental texture profile (firmness, adhesiveness, cohesiveness and springiness), colour space (L* a* b*) and scanning electron micrographs of set-yoghurts during 21 d of storage (4 ± 1°C) were evaluated. Sensory quality attributes were evaluated with 40 untrained panellists using a five-point hedonic scale. Set-yoghurts prepared using indigenous cow milk showed higher (P < 0.05) firmness, cohesiveness and apparent viscosity values compared to those prepared using generic cow milk. As revealed by micrographs, set-yoghurts made from TW milk had lesser and smaller void spaces and a dense protein gel network than gels made from LC and the two generic breeds. The gel network made from Friesian milk showed a comparatively larger porous gel structure and thinner protein strands resulting in a weaker gel than other milk gels. The highest lightness (L*) and yellowness (b*) were observed from set-yoghurt produced from Friesian and LC milk, respectively. Set-yoghurts from TW milk had the highest (P < 0.05) sensory scores for all sensory attributes. The lowest sensory acceptance was recorded in set-yoghurt made from Friesian milk. Thus, milk from TW and LC is likely to be suitable in producing set-yoghurts with superior textural, microstructural and sensory properties, compared to milk from Jersey and Friesian. Our results suggest the merits of using indigenous cow milk in producing set-yoghurts and, thereby, prioritizing the preservation of the genetic pool of these indigenous breeds.
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Junaid M, Inayat S, Gulzar N, Khalique A, Shahzad F, Irshad I, Imran M. Physical, chemical, microbial, and sensory evaluation and fatty acid profiling of value-added drinking yogurt (laban) under various storage conditions. J Dairy Sci 2022; 106:39-46. [DOI: 10.3168/jds.2022-22358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/07/2022] [Indexed: 11/09/2022]
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21
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Wilbanks D, Lee M, Rahimi Y, Lucey J. Comparison of micellar casein isolate and nonfat dry milk for use in the production of high-protein cultured milk products. J Dairy Sci 2022; 106:61-74. [DOI: 10.3168/jds.2022-22400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 08/09/2022] [Indexed: 11/09/2022]
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22
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Rheological and structural properties of acid-induced milk gels as a function of β-casein phenotype. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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Tiong BYS, Yiong KH, Long W, Cheah AS, Abdul Sattar Y, Chang KA, Neo YP, Chew LY. Strobilanthes Crispus Extract Enhances Attributes of Yogurt: A Study on Physicochemical Property, Antioxidant Activity, Microbial Viability, and Consumer Acceptability. JOURNAL OF CULINARY SCIENCE & TECHNOLOGY 2022. [DOI: 10.1080/15428052.2022.2088434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Brigitte Yii Sueh Tiong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Kin Hee Yiong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Wenxin Long
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Ai Shyien Cheah
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Yufaan Abdul Sattar
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Kian Aun Chang
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Yun Ping Neo
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Lye Yee Chew
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor’s University Lakeside Campus, Subang Jaya, Selangor Darul Ehsan, Malaysia
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Daniloski D, McCarthy NA, Huppertz T, Vasiljevic T. What is the impact of amino acid mutations in the primary structure of caseins on the composition and functionality of milk and dairy products? Curr Res Food Sci 2022; 5:1701-1712. [PMID: 36212081 PMCID: PMC9535159 DOI: 10.1016/j.crfs.2022.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/25/2022] [Accepted: 09/28/2022] [Indexed: 11/19/2022] Open
Abstract
The impact of amino acid mutations within the peptide structure of bovine milk protein is important to understand as it can effect processability and subsequently effect its physiological properties. Genetic polymorphisms of bovine caseins can influence the chemical, structural, and technological properties, including casein micelle morphology, calcium distribution, network creation upon gelation, and surface activity. The A1 and A2 genetic variants of β-casein have recently acquired growing attention from both academia and industry, prompting new developments in the area. The difference between these two genetic variants is the inclusion of either proline in β-casein A2 or histidine in β-casein A1 at position 67 in the peptide chain. The aim of this review was to examine the extent to which milk and ingredient functionality is influenced by β-casein phenotype. One of the main findings of this review was although β-casein A1 was found to be the dominant variant in milks with superior acid gelation and rennet coagulation properties, milks comprised of β-casein A2 possessed greater emulsion and foam formation capabilities. The difference in the casein micelle assembly, hydrophobicity, and chaperone activity of caseins may explain the contrast in the functionality of milks containing β-casein from either A1 or A2 families. This review provides new insights into the subtle variations in the physicochemical properties of bovine milks, which could potentially support dairy producers in the development of new dairy products with different functional properties. Impact of β- and other caseins on the casein micelle structure and functionality. Proline and histidine in β-caseins play a key role in casein micelle conformation. Chaperone activity of β-casein A2 towards heat-induced aggregation of whey protein. Gels prepared of milks with β-casein A1 possess a denser and firmer structure. Ordered structure of β-casein A2 led to improved emulsion and foam formation.
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Affiliation(s)
- Davor Daniloski
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities and College of Health and Biomedicine, Victoria University, Melbourne, VIC, 8001, Australia
- Food Chemistry and Technology Department, Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996, Cork, Ireland
| | - Noel A. McCarthy
- Food Chemistry and Technology Department, Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996, Cork, Ireland
| | - Thom Huppertz
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities and College of Health and Biomedicine, Victoria University, Melbourne, VIC, 8001, Australia
- FrieslandCampina, Amersfoort, the Netherlands
- Wageningen University & Research, Wageningen, the Netherlands
| | - Todor Vasiljevic
- Advanced Food Systems Research Unit, Institute for Sustainable Industries and Liveable Cities and College of Health and Biomedicine, Victoria University, Melbourne, VIC, 8001, Australia
- Corresponding author.
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Zhang S, Wu L, Zhang Y, Zhang J, Cheng H, Zhang J, Liu Y, Kang Z, Zhang L. Cell-envelope proteinase from Lactobacillus bulgaricus affects the gel properties of fermented milk. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Sun B, Li Z, Huang Y, Liu L, Gu X, Gao Y, Zhu X, Zhu Y, Xia X. High‐pressure homogenisation ‐ Lactobacillus induced changes in the properties and structure of soymilk protein gels. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.16041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bingyu Sun
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Zhimin Li
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Yuyang Huang
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Linlin Liu
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - XueLian Gu
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Yuan Gao
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Xiuqing Zhu
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Ying Zhu
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
| | - Xiaoyu Xia
- College of Food Engineering Harbin University of Commerce, Key Laboratory of Grain Food and Comprehensive Processing of Grain Resource of Heilongjiang Province 150028 Harbin
- Soybean Research Institute Academy of Agricultural Sciences 150086 Heilongjiang Harbin
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Hellebois T, Gaiani C, Cambier S, Noo A, Soukoulis C. Exploration of the co-structuring and stabilising role of flaxseed gum in whey protein isolate based cryo-hydrogels. Carbohydr Polym 2022; 289:119424. [DOI: 10.1016/j.carbpol.2022.119424] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/28/2022] [Accepted: 03/26/2022] [Indexed: 12/26/2022]
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Dou N, Sun R, Su C, Ma Y, Zhang X, Wu M, Hou J. Soybean Oil Bodies as a Milk Fat Substitute Improves Quality, Antioxidant and Digestive Properties of Yogurt. Foods 2022; 11:foods11142088. [PMID: 35885331 PMCID: PMC9320349 DOI: 10.3390/foods11142088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/08/2022] [Accepted: 07/10/2022] [Indexed: 01/27/2023] Open
Abstract
In this experiment, the effect of replacing milk fat with soybean fat body (25%, 50%, 75%, 100%) on the quality, antioxidant capacity and in vitro digestive characteristics of yogurt was investigated while maintaining the total fat content of the yogurt unchanged. The results showed that increasing the substitution amount of soy fat body for milk fat had little effect on the pH and acidity of yogurt during the storage period, while the physicochemical properties, degree of protein gel network crosslinking, saturated fatty acid content, PV value and TBARS value of the yogurt significantly decreased (p < 0.05). Meanwhile, protein content, solids content, unsaturated fatty acid content, tocopherol content and water holding capacity significantly increased (p < 0.05). Flavor analysis revealed that yogurts with soybean oil bodies were significantly different when compared to those without soybean oil bodies (p < 0.05), and yogurt with 25% substitution had the highest sensory score. After in vitro digestion, the free fatty acid release, antioxidant capacity and protein digestibility of soybean oil body yogurt were significantly higher (p < 0.05). The SDS-PAGE results showed that the protein hydrolysis of the soybean oil body yogurt was faster. Therefore, the use of an appropriate amount of soybean oil bodies to replace milk fat is able to enhance the taste of yogurt and improve the quality of the yogurt.
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Affiliation(s)
| | | | | | | | | | | | - Juncai Hou
- Correspondence: ; Tel.: +86-451-5519-0710
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29
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In situ SAXS study of non-fat milk model systems during heat treatment and acidification. Food Res Int 2022; 157:111292. [DOI: 10.1016/j.foodres.2022.111292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/20/2022] [Accepted: 04/21/2022] [Indexed: 11/20/2022]
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30
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Balabova DV, Rudometov AP, Belenkaya SV, Belov AN, Koval AD, Bondar AA, Bakulina AY, Rukhlova EA, Elchaninov VV, Shcherbakov DN. Biochemical and technological properties of moose (<i>Alces alces</i>) recombinant chymosin. Vavilovskii Zhurnal Genet Selektsii 2022; 26:240-249. [PMID: 35774365 PMCID: PMC9167822 DOI: 10.18699/vjgb-22-31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/19/2022] [Accepted: 03/03/2022] [Indexed: 11/19/2022] Open
Abstract
Recombinant chymosins (rСhns) of the cow and the camel are currently considered as standard milk coagulants for cheese-making. The search for a new type of milk-clotting enzymes that may exist in nature and can surpass the existing “cheese-making” standards is an urgent biotechnological task. Within this study, we for the first time constructed an expression vector allowing production of a recombinant analog of moose chymosin in the expression system of Escherichia coli (strain SHuffle express). We built a model of the spatial structure of moose chymosin and compared the topography of positive and negative surface charges with the correspondent structures of cow and camel chymosins. We found that the distribution of charges on the surface of moose chymosin has common features with that of cow and camel chymosins. However, the moose enzyme carries a unique positively charged patch, which is likely to affect its interaction with the substrate. Biochemical and technological properties of the moose rChn were studied. Commercial rСhns of cow and camel were used as comparison enzymes. In some technological parameters, the moose rChn proved to be superior to the reference enzymes. Сompared with the cow and camel rСhns, the moose chymosin specific activity is less dependent on the changes in CaCl2 concentration in the range of 1–5 mM and pH in the range of 6–7, which is an attractive technological property. The total proteolytic activity of the moose rСhn occupies an intermediate position between the rСhns of cow and camel. The combination of biochemical and technological properties of the moose rСhn argues for further study of this enzyme.
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Affiliation(s)
| | - A. P. Rudometov
- State Research Center of Virology and Biotechnology “Vector”
| | - S. V. Belenkaya
- Altai State University; State Research Center of Virology and Biotechnology “Vector”; Novosibirsk State University
| | - A. N. Belov
- Federal Altai Scientific Center for Agrobiotechnology, Siberian Research Institute of Cheese-Making
| | - A. D. Koval
- Federal Altai Scientific Center for Agrobiotechnology, Siberian Research Institute of Cheese-Making
| | - A. A. Bondar
- Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences
| | - A. Yu. Bakulina
- State Research Center of Virology and Biotechnology “Vector”; Novosibirsk State University
| | - E. A. Rukhlova
- State Research Center of Virology and Biotechnology “Vector”
| | - V. V. Elchaninov
- Federal Altai Scientific Center for Agrobiotechnology, Siberian Research Institute of Cheese-Making
| | - D. N. Shcherbakov
- Altai State University; State Research Center of Virology and Biotechnology “Vector”
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Effects of dairy bioactive peptides and lotus seeds/lily bulb powder on flavor and quality characteristics of goat milk yogurt. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2021.101510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Taha A, Casanova F, Šimonis P, Stankevič V, Gomaa MAE, Stirkė A. Pulsed Electric Field: Fundamentals and Effects on the Structural and Techno-Functional Properties of Dairy and Plant Proteins. Foods 2022; 11:foods11111556. [PMID: 35681305 PMCID: PMC9180040 DOI: 10.3390/foods11111556] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 02/04/2023] Open
Abstract
Dairy and plant-based proteins are widely utilized in various food applications. Several techniques have been employed to improve the techno-functional properties of these proteins. Among them, pulsed electric field (PEF) technology has recently attracted considerable attention as a green technology to enhance the functional properties of food proteins. In this review, we briefly explain the fundamentals of PEF devices, their components, and pulse generation and discuss the impacts of PEF treatment on the structure of dairy and plant proteins. In addition, we cover the PEF-induced changes in the techno-functional properties of proteins (including solubility, gelling, emulsifying, and foaming properties). In this work, we also discuss the main challenges and the possible future trends of PEF applications in the food proteins industry. PEF treatments at high strengths could change the structure of proteins. The PEF treatment conditions markedly affect the treatment results with respect to proteins' structure and techno-functional properties. Moreover, increasing the electric field strength could enhance the emulsifying properties of proteins and protein-polysaccharide complexes. However, more research and academia-industry collaboration are recommended to build highly effective PEF devices with controlled processing conditions.
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Affiliation(s)
- Ahmed Taha
- Department of Functional Materials and Electronics, Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania; (A.T.); (P.Š.); (V.S.)
- Department of Food Science, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt;
| | - Federico Casanova
- Food Production Engineering, National Food Institute, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- Correspondence: (F.C.); (A.S.)
| | - Povilas Šimonis
- Department of Functional Materials and Electronics, Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania; (A.T.); (P.Š.); (V.S.)
| | - Voitech Stankevič
- Department of Functional Materials and Electronics, Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania; (A.T.); (P.Š.); (V.S.)
| | - Mohamed A. E. Gomaa
- Department of Food Science, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt;
| | - Arūnas Stirkė
- Department of Functional Materials and Electronics, Center for Physical Sciences and Technology, Saulėtekio al. 3, LT-10257 Vilnius, Lithuania; (A.T.); (P.Š.); (V.S.)
- Micro and Nanodevices Laboratory, Institute of Solid State Physics, University of Latvia, Kengaraga Str. 8, LV-1063 Riga, Latvia
- Correspondence: (F.C.); (A.S.)
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Suwannasang S, Zhong Q, Thumthanaruk B, Vatanyoopaisarn S, Uttapap D, Puttanlek C, Rungsardthong V. Physicochemical properties of yogurt fortified with microencapsulated Sacha Inchi oil. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113375] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Gyawali R, Feng X, Chen YP, Lorenzo JM, Ibrahim SA. A review of factors influencing the quality and sensory evaluation techniques applied to Greek yogurt. J DAIRY RES 2022; 89:1-7. [PMID: 35466900 DOI: 10.1017/s0022029922000346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Greek yogurt is one of the fastest growing products in the dairy industry. It is also known as strained yogurt, which is obtained after draining the whey. As a result of the draining process, Greek yogurt has higher total solids and lower lactose than regular yogurt. Since it is a concentrated yogurt, its sensory characteristics are different from regular yogurt. However, there is little information about factors influencing the quality of Greek yogurt and sensory evaluation techniques applied to Greek yogurt. This review aims to describe the effects of ingredients, starter cultures, processing techniques and other parameters on quality characteristics and sensory properties of Greek yogurt. In addition, advantages and limitations of novel sensory evaluation techniques applied to Greek yogurt products are discussed. In particular, we take a look at advanced techniques such as the electronic nose and electronic tongue and the benefits of these techniques with regard to Greek yogurt. This review should help the Greek yogurt industry to improve its current products and develop innovative products based on appropriate food evaluation techniques.
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Affiliation(s)
- Rabin Gyawali
- Food Microbiology and Biotechnology Laboratory, Food and Nutritional Sciences Program, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
| | - Xi Feng
- Department of Nutrition, Food Science and Packaging, San Jose State University, San Jose, CA 95192, USA
| | - Yan Ping Chen
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jose M Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia no 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
- Facultad de Ciencias de Ourense, Área de Tecnología de los Alimentos, Universidade de Vigo, 32004 Ourense, Spain
| | - Salam A Ibrahim
- Food Microbiology and Biotechnology Laboratory, Food and Nutritional Sciences Program, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA
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Canon F, Maillard MB, Famelart MH, Thierry A, Gagnaire V. Mixed dairy and plant-based yogurt alternatives: improving their physical and sensorial properties through formulation and lactic acid bacteria cocultures. Curr Res Food Sci 2022; 5:665-676. [PMID: 35434647 PMCID: PMC9010894 DOI: 10.1016/j.crfs.2022.03.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 03/02/2022] [Accepted: 03/20/2022] [Indexed: 11/30/2022] Open
Abstract
Food transition requires incorporating more plant-based ingredients in our diet, thus leading to the development of new plant-based products, such as yogurt alternatives (YAs). This study aimed at evaluating the impact of lactic acid bacteria (LAB) cocultures and formulation on the physico-chemical and sensory properties of YAs. YAs were made by emulsifying anhydrous milk fat (AMF) or coconut oil in milk and lupin protein suspensions. The starters used, in mono- and cocultures, were the strains Lactococcus lactis NCDO2125, Enteroccocus faecalis CIRM-BIA2412 and Lactiplantibacillus plantarum CIRM-BIA1524. Textural properties and metabolites of YAs were evaluated and their sensory properties compared using a sorting task. Some cocultures led to higher firmness, viscosity, and water holding capacity of YAs, compared to monocultures. AMF and a milk:lupin protein ratio of 67:33 gave firmer and more viscous YAs. YAs were sensorially discriminated on the basis of protein ratio and fat type, but not of starters. The cocultures exhibited more diverse functional outputs, such as texturing, production of flavour compounds, proteolysis, when the strains associated in coculture had distinct capacities. Appropriate associations of LAB and formulation offer interesting solutions to improve the perception of YAs, and ultimately, encourage their consumption. 12 mixed dairy and plant-based yogurt alternatives were prepared. With positive interactions, both strains contributed to the final properties of the YAs. Without positive interactions, the winner takes it all. Substitution of milk proteins with lupin proteins is acceptable at a 67:33 ratio. Substitution of animal-sourced fat by plant-based one is possible.
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Kulkarni S, Londhe VY. Development and evaluation of extended release metformin pellets suspended in teneligliptin jelly for the treatment of diabetes mellitus. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Zhao J, Bhandari B, Gaiani C, Prakash S. Altering almond protein function through partial enzymatic hydrolysis for creating gel structures in acidic environment. Curr Res Food Sci 2022; 5:653-664. [PMID: 35434648 PMCID: PMC9010554 DOI: 10.1016/j.crfs.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 03/02/2022] [Accepted: 03/21/2022] [Indexed: 11/05/2022] Open
Abstract
Protein inadequacy is the major problem for most plant-based dairy yoghurt substitutes. This study investigated three limited degree of hydrolysis (DH: 1%, 5%, and 9%) of almond protein and the combined effect of DH and hydrolysed almond protein (HP) to non-hydrolysed almond protein (NP) ratios (HP/NP: 40:60, 20:80, 10:90 and 5:95) on the physicochemical properties of resulting fermentation induced almond-based gel (yoghurt). The gel microstructure, particle size, firmness, pH, water holding capacity (WHC), lubrication, flow, and gelation characteristics were measured and associated with the DH, composition, and SDS-PAGE results. The results show significant differences in gel samples with the same HP/NP (40:60) ratio of protein but different protein DH. A higher DH (9%) resulted in samples with lower hardness (6.03 g), viscosity (0.11 Pa s at 50 s-1), cohesiveness (0.63) and higher friction (0.203 at 10 mm/s) compared to sample with 1% DH with higher hardness - 7.34 g, viscosity at 50 s−1 - 0.16 Pa s, cohesiveness - 0.86 and friction at 10 mm/s - 0.194. Comparing samples with the same DH (5%) but different HP/NP ratios showed smaller coarse microgel particles (21.36 μm) and lower hardness (7.17 g), viscosity (0.14 Pa s at 50 s−1) and friction value (0.189 at 10 mm/s) in samples with high HP/NP (40:60) compared to sample with low HP/NP (5:95) that contained significantly large coarse microgel particles (34.61 μm) with the gel being very hard (9.38 g), highly viscous (0.32 Pa s at 50 s−1), and less lubricating (0.220 at 10 mm/s). Enzymatic treatment changes the almond protein profile. Increased the degree of hydrolysis weakens the gel strength. The more hydrolysed protein used in formulation the softer the gel. Limited hydrolysis may contribute to bacterial metabolism. The microstructure verifies the improvement of gel's water holding capacity.
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A Review on the Commonly Used Methods for Analysis of Physical Properties of Food Materials. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12042004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The chemical composition of any food material can be analyzed well by employing various analytical techniques. The physical properties of food are no less important than chemical composition as results obtained from authentic measurement data are able to provide detailed information about the food. Several techniques have been used for years for this purpose but most of them are destructive in nature. The aim of this present study is to identify the emerging techniques that have been used by different researchers for the analysis of the physical characteristics of food. It is highly recommended to practice novel methods as these are non-destructive, extremely sophisticated, and provide results closer to true quantitative values. The physical properties are classified into different groups based on their characteristics. The concise view of conventional techniques mostly used to analyze food material are documented in this work.
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GOMES RDDS, BEZERRA MDF, MACÊDO CS, OLIVEIRA ILSD, BORBA LHF, URBANO SA, ANAYA K, CHAGAS BME, ANDRADE NETO JCD, OLIVEIRA JPFD, RANGEL AHDN. Chemical evaluation of donkey milk yoghurt mixed with milk from different animal species. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.80521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | | | | | | | | | | | - Katya ANAYA
- Universidade Federal do Rio Grande do Norte, Brasil
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Shkembi B, Huppertz T. Calcium Absorption from Food Products: Food Matrix Effects. Nutrients 2021; 14:nu14010180. [PMID: 35011055 PMCID: PMC8746734 DOI: 10.3390/nu14010180] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 12/14/2022] Open
Abstract
This article reviews physicochemical aspects of calcium absorption from foods. Notable differences are observed between different food products in relation to calcium absorption, which range from <10% to >50% of calcium in the foods. These differences can be related to the interactions of calcium with other food components in the food matrix, which are affected by various factors, including fermentation, and how these are affected by the conditions encountered in the gastrointestinal tract. Calcium absorption in the intestine requires calcium to be in an ionized form. The low pH in the stomach is critical for solubilization and ionization of calcium salts present in foods, although calcium oxalate complexes remain insoluble and thus poorly absorbable. In addition, the rate of gastric transit can strongly affect fractional absorption of calcium and a phased release of calcium into the intestine, resulting in higher absorption levels. Dairy products are the main natural sources of dietary calcium in many diets worldwide, which is attributable to their ability to provide high levels of absorbable calcium in a single serving. For calcium from other food products, lower levels of absorbable calcium can limit contributions to bodily calcium requirements.
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Affiliation(s)
- Blerina Shkembi
- Food Quality & Design Group, Wageningen University & Research, 6708 WG Wageningen, The Netherlands;
| | - Thom Huppertz
- Food Quality & Design Group, Wageningen University & Research, 6708 WG Wageningen, The Netherlands;
- FrieslandCampina, 3818 LE Amersfoort, The Netherlands
- Correspondence:
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42
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Viana JDDR, Ximenes SF, Souza ACR, Abreu FAP, Petrus JCC. Process optimization in the obtention of microfiltered banana (
Musa cavendish
) juice by response surface methodology. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- José Diogo da Rocha Viana
- Department of Chemical and Food Engineering Federal University of Santa Catarina Florianopolis Brazil
| | | | | | | | - José Carlos Cunha Petrus
- Department of Chemical and Food Engineering Federal University of Santa Catarina Florianopolis Brazil
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Tarapata J, Lobacz A, Zulewska J. Physicochemical properties of skim milk gels obtained by combined bacterial fermentation and renneting: Effect of incubation temperature at constant inoculum level. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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44
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Zhou Z, Langrish T. Color formation and Maillard reactions during the spray drying process of skim milk and model systems. J FOOD PROCESS ENG 2021. [DOI: 10.1111/jfpe.13936] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zelin Zhou
- Drying and Process Technology Group, School of Chemical and Biomolecular Engineering The University of Sydney Darlington New South Wales Australia
| | - Timothy Langrish
- Drying and Process Technology Group, School of Chemical and Biomolecular Engineering The University of Sydney Darlington New South Wales Australia
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Wang NN, Li YX, Miao M, Zhu CH, Yan QJ, Jiang ZQ. High level expression of a xyloglucanase from Rhizomucor miehei in Pichia pastoris for production of xyloglucan oligosaccharides and its application in yoghurt. Int J Biol Macromol 2021; 190:845-852. [PMID: 34520781 DOI: 10.1016/j.ijbiomac.2021.09.035] [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] [Received: 07/19/2021] [Revised: 08/28/2021] [Accepted: 09/07/2021] [Indexed: 11/15/2022]
Abstract
The xyloglucanase gene (RmXEG12A) from Rhizomucor miehei CAU432 was successfully expressed in Pichia pastoris. The highest xyloglucanase activity of 25,700 U mL-1 was secreted using high cell density fermentation. RmXEG12A was optimally active at pH 7.0 and 65 °C, respectively. The xyloglucanase exhibited the highest specific activity towards xyloglucan (7915.5 U mg-1). RmXEG12A was subjected to hydrolyze tamarind powder to produce xyloglucan oligosaccharides with the degree of polymerization (DP) 7-9. The hydrolysis ratio of xyloglucan in tamarind powder was 89.8%. Moreover, xyloglucan oligosaccharides (2.0%, w/w) improved the water holding capacity (WHC) of yoghurt by 1.1-fold and promoted the growth of Lactobacillus bulgaricus and Streptococcus thermophiles by 2.3 and 1.6-fold, respectively. Therefore, a suitable xyloglucanase for tamarind powder hydrolysis was expressed in P. pastoris at high level and xyloglucan oligosaccharides improved the quality of yoghurt.
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Affiliation(s)
- Nan-Nan Wang
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 100083, China
| | - Yan-Xiao Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 10083, China
| | - Miao Miao
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 100083, China
| | - Chun-Hua Zhu
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 100083, China
| | - Qiao-Juan Yan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 10083, China
| | - Zheng-Qiang Jiang
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua Donglu, Haidian District, Beijing 100083, China.
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46
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Super resolution microscopy imaging of pH induced changes in the microstructure of casein micelles. FOOD STRUCTURE 2021. [DOI: 10.1016/j.foostr.2021.100231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Rheology of buffalo milk rennet coagulation and gels affected by coagulation temperature, CaCl2, pH and milk heat treatment. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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48
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Zhao J, Bhandari B, Gaiani C, Prakash S. Physicochemical and microstructural properties of fermentation-induced almond emulsion-filled gels with varying concentrations of protein, fat and sugar contents. Curr Res Food Sci 2021; 4:577-587. [PMID: 34485926 PMCID: PMC8405962 DOI: 10.1016/j.crfs.2021.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/06/2021] [Accepted: 08/17/2021] [Indexed: 11/29/2022] Open
Abstract
The influence of the protein, fat and sugar in almond milk on the formation of the acidic gel was investigated by determining their physicochemical and microstructural properties. The protein, fat and sugar in the almond milk were varied from 2% to 6%, 0.8%-7% and 0.6%-7%, respectively and fermented using Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophiles cultures to form a gel structure. Both protein and fat increased the gel strength, viscosity (stirred gel) and lightness of almond yoghurts as the concentration increased. The addition of protein content increased the cohesiveness (from 0.70 to 1.17), water holding capacity (from 28.75% to 52.22%) and D4,3 value of particle size (from 32.76 μm to 44.41 μm) of almond yoghurt. Fat reduction decreased the firmness (from 6.56 g to 4.69 g), D4,3 value (from 88.53 μm to 18.37 μm), and water holding capacity (from 48.96% to 27.66%) of almond yoghurt. With sugar addition, almond yoghurt showed increased adhesiveness, decreased lightness and a low pH, with no significant difference in firmness, particle size, and flow behaviour. The confocal images provided evidence that the fortified protein contents homogeneously entrapped fat globules resulting in a more stable gel network and increased fat content led to large fat globule formation resulting in a harder gel network, while the added sugar did not significantly affect the gel network. The results suggested that the protein fortification enhances the texture of almond yoghurt. The fat content of 7% with 3.5% protein showed poor consistency and gel strength of yoghurt. Sugar mainly contributed to bacterial metabolism during fermentation.
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Affiliation(s)
- Jia Zhao
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia QLD, 4072, Australia
| | - Bhesh Bhandari
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia QLD, 4072, Australia
| | - Claire Gaiani
- Laboratoire d'Ingénierie des Biomolécules (LIBio), Université de Lorraine, Nancy, France
| | - Sangeeta Prakash
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia QLD, 4072, Australia
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Βasdeki AM, Fatouros DG, Βiliaderis CG, Moschakis T. Physicochemical properties of human breast milk during the second year of lactation. Curr Res Food Sci 2021; 4:565-576. [PMID: 34467219 PMCID: PMC8384777 DOI: 10.1016/j.crfs.2021.08.001] [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: 03/09/2021] [Revised: 07/19/2021] [Accepted: 08/04/2021] [Indexed: 11/29/2022] Open
Abstract
The present study examined the microstructure as well as the physicochemical properties of human milk during the second year of lactation in an attempt to explore its applicability for the formulation of food products. It was observed that human milk fat globules (MFG) droplet size increased within 3 days of milk extraction due to coalescence, as evidenced by confocal microscopy. Furthermore, a gradual decrease of the average MFG size was noted from the sixteenth (16th) to twenty-fifth (25th) month of lactation. It was also found that the size of casein micellar structures increased upon acidification to pH 4.3 (isoelectric point of human caseins). In addition, human milk proteins enhanced the stability of oil-in-water emulsions against coalescence compared to cow, sheep, and goat milk proteins employed as macromolecular emulsifying ingredients. The cold-acid-gels of human milk proteins showed a less elastic behavior than the other milk samples, possibly due to the different structure, composition and size of human casein micelles. Furthermore, the DSC thermograms showed that human whey proteins are denatured in the same temperature range as do the cow whey proteins, but exhibit different thermal transition profiles. Overall, the findings of this research confirm that both the structure and the physicochemical properties of human milk are affected by the stage of lactation. Moreover, the particular composition and structure of human milk proteins seem to be responsible for the special functional characteristics of human milk that may lead towards the formulation of innovative products. The physicochemical properties of human milk in the 2 nd year were examined. Enhanced stabilization of oil-in-water emulsions with human milk proteins (HMP). Less elastic behavior of cold-acid HMP gels compared to other milk species proteins. HMP exhibited different thermal transition profiles than cow milk proteins.
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Affiliation(s)
- Alexandra-Maria Βasdeki
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Dimitrios G Fatouros
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Costas G Βiliaderis
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Thomas Moschakis
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
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50
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Hammam ARA, Martínez-Monteagudo SI, Metzger LE. Progress in micellar casein concentrate: Production and applications. Compr Rev Food Sci Food Saf 2021; 20:4426-4449. [PMID: 34288367 DOI: 10.1111/1541-4337.12795] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/12/2021] [Accepted: 06/06/2021] [Indexed: 01/11/2023]
Abstract
Micellar casein concentrate (MCC) is a novel ingredient with high casein content. Over the past decade, MCC has emerged as one of the most promising dairy ingredients having applications in beverages, yogurt, cheese, and process cheese products. Industrially, MCC is manufactured by microfiltration (MF) of skim milk and is commercially available as a liquid, concentrated, or dried containing ≥9, ≥22, and ≥80% total protein, respectively. As an ingredient, MCC not only imparts a bland flavor but also offers unique functionalities such as foaming, emulsifying, wetting, dispersibility, heat stability, and water-binding ability. The high protein content of MCC represents a valuable source of fortification in a number of food formulations. For the last 20 years, MCC is utilized in many applications due to the unique physiochemical and functional characteristics. It also has promising applications to eliminate the cost of drying by producing concentrated MCC. This work aims at providing a succinct overview of the historical progress of the MCC, a review on the manufacturing methods, a discussion of MCC properties, varieties, and applications.
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Affiliation(s)
- Ahmed R A Hammam
- Dairy and Food Science Department, South Dakota State University, Brookings, South Dakota.,Dairy Science Department, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Sergio I Martínez-Monteagudo
- Department of Family and Consumer Sciences, New Mexico State University, Las Cruces, New Mexico.,Department of Chemical & Materials Engineering, New Mexico State University, Las Cruces, New Mexico
| | - Lloyd E Metzger
- Dairy and Food Science Department, South Dakota State University, Brookings, South Dakota
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