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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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Bolat E, Eker F, Yılmaz S, Karav S, Oz E, Brennan C, Proestos C, Zeng M, Oz F. BCM-7: Opioid-like Peptide with Potential Role in Disease Mechanisms. Molecules 2024; 29:2161. [PMID: 38731652 PMCID: PMC11085506 DOI: 10.3390/molecules29092161] [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: 04/11/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
Bovine milk is an essential supplement due to its rich energy- and nutrient-rich qualities. Caseins constitute the vast majority of the proteins in milk. Among these, β-casein comprises around 37% of all caseins, and it is an important type of casein with several different variants. The A1 and A2 variants of β-casein are the most researched genotypes due to the changes in their composition. It is accepted that the A2 variant is ancestral, while a point mutation in the 67th amino acid created the A1 variant. The digestion derived of both A1 and A2 milk is BCM-7. Digestion of A2 milk in the human intestine also forms BCM-9 peptide molecule. The opioid-like characteristics of BCM-7 are highlighted for their potential triggering effect on several diseases. Most research has been focused on gastrointestinal-related diseases; however other metabolic and nervous system-based diseases are also potentially triggered. By manipulating the mechanisms of these diseases, BCM-7 can induce certain situations, such as conformational changes, reduction in protein activity, and the creation of undesired activity in the biological system. Furthermore, the genotype of casein can also play a role in bone health, such as altering fracture rates, and calcium contents can change the characteristics of dietary products. The context between opioid molecules and BCM-7 points to a potential triggering mechanism for the central nervous system and other metabolic diseases discussed.
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Affiliation(s)
- Ecem Bolat
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, Çanakkale 17100, Türkiye; (E.B.); (F.E.); (S.Y.)
| | - Furkan Eker
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, Çanakkale 17100, Türkiye; (E.B.); (F.E.); (S.Y.)
| | - Selin Yılmaz
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, Çanakkale 17100, Türkiye; (E.B.); (F.E.); (S.Y.)
| | - Sercan Karav
- Department of Molecular Biology and Genetics, Çanakkale Onsekiz Mart University, Çanakkale 17100, Türkiye; (E.B.); (F.E.); (S.Y.)
| | - Emel Oz
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, Erzurum 25030, Türkiye; (E.O.); (F.O.)
| | - Charles Brennan
- School of Science, RMIT University, Melbourne, VIC 3001, Australia;
| | - Charalampos Proestos
- Laboratory of Food Chemistry, Department of Chemistry, School of Sciences, National and Kapodistrian University of Athens Zografou, 157 84 Athens, Greece;
| | - Maomao Zeng
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China;
| | - Fatih Oz
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, Erzurum 25030, Türkiye; (E.O.); (F.O.)
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Chen X, Fan R, Wang Y, Munir M, Li C, Wang C, Hou Z, Zhang G, Liu L, He J. Bovine milk β-casein: Structure, properties, isolation, and targeted application of isolated products. Compr Rev Food Sci Food Saf 2024; 23:e13311. [PMID: 38445543 DOI: 10.1111/1541-4337.13311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 03/07/2024]
Abstract
β-Casein, an important protein found in bovine milk, has significant potential for application in the food, pharmaceutical, and other related industries. This review first introduces the composition, structure, and functional properties of β-casein. It then reviews the techniques for isolating β-casein. Chemical and enzymatic isolation methods result in inactivity of β-casein and other components in the milk, and it is difficult to control the production conditions, limiting the utilization range of products. Physical technology not only achieves high product purity and activity but also effectively preserves the biological activity of the components. The isolated β-casein needs to be utilized effectively and efficiently for various purity products in order to achieve optimal targeted application. Bovine β-casein, which has a purity higher than or close to that of breast β-casein, can be used in infant formulas. This is achieved by modifying its structure through dephosphorylation, resulting in a formula that closely mimics the composition of breast milk. Bovine β-casein, which is lower in purity than breast β-casein, can be maximized for the preparation of functional peptides and for use as natural carriers. The remaining byproducts can be utilized as food ingredients, emulsifiers, and carriers for encapsulating and delivering active substances. Thus, realizing the intensive processing and utilization of bovine β-casein isolation. This review can promote the industrial production process of β-casein, which is beneficial for the sustainable development of β-casein as a food and material. It also provides valuable insights for the development of other active substances in milk.
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Affiliation(s)
- Xiaoqian Chen
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Rui Fan
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Yuanbin Wang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Maliha Munir
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Chun Li
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Caiyun Wang
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot, China
- Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot, China
- National Center of Technology Innovation for Dairy, Hohhot, China
| | - Zhanqun Hou
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot, China
- Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot, China
- National Center of Technology Innovation for Dairy, Hohhot, China
| | - Guofang Zhang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Libo Liu
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Science Research Institute, Harbin, China
| | - Jian He
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot, China
- Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot, China
- National Center of Technology Innovation for Dairy, Hohhot, China
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Dettori ML, Pazzola M, Noce A, Landi V, Vacca GM. Variations in Casein Genes Are Associated with Milk Protein and Fat Contents in Sarda Goats ( Capra hircus), with an Important Role of CSN1S2 for Milk Yield. Animals (Basel) 2023; 14:56. [PMID: 38200787 PMCID: PMC10778555 DOI: 10.3390/ani14010056] [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: 10/03/2023] [Revised: 11/18/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
This work aimed to assess the variability of casein genes in a population of 153 bucks and 825 lactating does of the Sarda breed, and to perform association analysis between polymorphic sites and milk yield and composition traits. To genotype the casein genes, we chose an SNP panel including 44 SNPs mapping to the four casein genes CSN1S1, CSN2, CSN1S2, and CSN3. Genotyping (made by KASP™ genotyping assay, based on competitive allele-specific PCR) revealed the high variability of the Sarda goat, and haplotype analysis revealed linkage disequilibrium (LD) between CSN1S1 and CSN2 genes, in addition to two LD blocks within the CSN1S2 and two LD blocks within the CSN3 gene, in bucks and does. Association analysis revealed that variability at all four casein genes was associated with milk protein content, total solids, and milk energy. The three Ca-sensitive casein genes were associated with lipid content, and CSN1S2 showed a unique pattern, with intron variants associated with milk yield, in addition to milk pH, NaCl, and SCS (Somatic Cell Score). This information might prove useful in selection schemes and in future investigations aiming to better understand the biology of lactation, and the direct link between genotype and phenotype.
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Affiliation(s)
- Maria Luisa Dettori
- Dipartimento Medicina Veterinaria, Università degli Studi di Sassari, 07100 Sassari, Italy; (M.P.); (G.M.V.)
| | - Michele Pazzola
- Dipartimento Medicina Veterinaria, Università degli Studi di Sassari, 07100 Sassari, Italy; (M.P.); (G.M.V.)
| | - Antonia Noce
- Centre de Recerca Agrigenòmica (CRAG), Campus Universitat Autònoma de Barcelona, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain;
| | - Vincenzo Landi
- Dipartimento Medicina Veterinaria, Università degli Studi di Bari Aldo Moro, 70121 Bari, Italy;
| | - Giuseppe Massimo Vacca
- Dipartimento Medicina Veterinaria, Università degli Studi di Sassari, 07100 Sassari, Italy; (M.P.); (G.M.V.)
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Vaseghi Baba F, Esfandiari Z, Akbari-Adergani B, Rashidi Nodeh H, Khodadadi M. Vortex-assisted microextraction of melamine from milk samples using green short chain ionic liquid solvents coupled with high performance liquid chromatography determination. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1229:123902. [PMID: 37804570 DOI: 10.1016/j.jchromb.2023.123902] [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: 08/13/2023] [Revised: 09/19/2023] [Accepted: 10/02/2023] [Indexed: 10/09/2023]
Abstract
Melamine is added illegally to milk and dairy products to increase the amount of apparent protein. This organic nitrogen rich chemical compound has been of great challenge in food safety based on its adverse effect on health. Therefore, the extraction and determination of melamine from milk is necessary. Recently, ionic liquid (ILs) as solvent usage has been noticeable for low melting point, low toxicity, high thermal stability, and high extraction capabilities in a wide range of separation processes. ILs are introduced as organic-inorganic salts and green solvents in microextraction preparation. Therefore, in this study, three ionic liquids ([C6mim][NTF2], [C4mim][NTF2] and [C2mim][NTF2] ILs) were prepared and employed as an extraction solvent in dispersive liquid-liquid microextraction (DLLME) of melamine from milk samples followed by HPLC-UV. The selected ILs were designed using three types of alkyl-imidazolium (as the short organic cations) and bis (tri fluoro methyl sulfonyl) imide as anion and characterized by ATR-FTIR spectra, carbon, and hydrogen Nuclear Magnetic Resonance spectroscopy (H&C-NMR) and energy-dispersive X-ray spectroscopy (EDX). These techniques confirmed the formation of functional groups, the structure of hydrogen and carbon atoms, and various elements of ionic bond between imidazolium and bis (tri fluoro methyl sulfonyl) imide. In the next step, the effect of significant parameters, including type and volume of ILs, adsorption time, pH of the sample solution, and sample volume, were optimized. Under the optimal conditions, the limits of detection (LOD), limits of quantification (LOQ), and linearity range were obtained 63.64 µg kg-1, 210.03 µg kg-1, and 210.03-1000 µg kg-1, respectively, for as prepared [C6mim][NTF2] as the best ILs. Notably, the achieved LOQ was lower than the maximum residue level (MRL) for the melamine residue in dairy products. Eventually, the proposed method was applied to detect melamine in milk samples, and the relative recoveries were examined as 79.6-105.0 %.
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Affiliation(s)
- Farzaneh Vaseghi Baba
- Nutrition and Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Esfandiari
- Nutrition and Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Behrouz Akbari-Adergani
- Food and Drug Laboratory Research Center, Food and Drug Administration, Ministry of Health and Medical Education Tehran Islamic Republic of Iran, Iran
| | - Hamid Rashidi Nodeh
- Food Science and Agricultural Research Center, Standard Research Institute, Karaj, Iran.
| | - Mohammad Khodadadi
- Core Research Facilities (CRF), Isfahan University of Medical Sciences, Isfahan 81746 73461, Iran
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