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Chen X, Fan R, Wang X, Zhang L, Wang C, Hou Z, Li C, Liu L, He J. In vitro digestion and functional properties of bovine β-casein: A comparison between adults and infants. Food Res Int 2024; 194:114914. [PMID: 39232534 DOI: 10.1016/j.foodres.2024.114914] [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: 05/23/2024] [Revised: 08/08/2024] [Accepted: 08/10/2024] [Indexed: 09/06/2024]
Abstract
Gastrointestinal digestibility behavior, structural and functional characteristics of bovine β-casein (β-CN) were studied in vitro under infant and adult conditions. This direct comparison helps reveal the effects of different physiological stages on the digestive behavior of β-CN. Not only was the degree of hydrolysis (DH) of β-CN analyzed, but also the changes in its digestive morphology, microstructure, and secondary structure during digestion were explored in depth. Meanwhile, we focused on the physicochemical properties of β-CN digesta, including solubility, emulsifying and foaming properties, as well as their functional properties, such as antimicrobial and antioxidant activities. Key results showed that β-CN underwent more extensive hydrolysis in the adult digestion model, with approximately twice the DH compared to the infant model. The adult model exhibited faster digestion kinetics, less protein flocculation, and a more loosened secondary structure, indicating a more efficient digestion process. Notably, the digesta from the adult model displayed significantly improved solubility and emulsifying properties, and also enhanced antioxidant capacities, with significantly better inhibition of two common pathogenic bacteria than the infant model, and an average increase in the diameter of the inhibition zone of approximately 2 mm. These findings underscore the differential digestive behavior and functional potential of β-CN across physiological stages. This comprehensive assessment approach contributes to a more comprehensive insight into the digestive behavior of β-CN. Therefore, we conclude that producing products from unmodified β-CN may be more suitable for the adult population, and that the digesta in the adult model exhibit higher functional properties.
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Affiliation(s)
- Xiaoqian Chen
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China
| | - Rui Fan
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China
| | - Xinyu Wang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China
| | - Lina Zhang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China
| | - Caiyun Wang
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot 010110, China; Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot 010080, China; National Center of Technology Innovation for Dairy, Hohhot 010110, China
| | - Zhanqun Hou
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot 010110, China; Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot 010080, China; National Center of Technology Innovation for Dairy, Hohhot 010110, China
| | - Chun Li
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China.
| | - Libo Liu
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China; Heilongjiang Green Food Science Research Institute, Harbin 150028, China.
| | - Jian He
- Inner Mongolia Dairy Technology Research Institute Co., Ltd., Hohhot 010110, China; Inner Mongolia Yili Industrial Group, Co., Ltd., Hohhot 010080, China; National Center of Technology Innovation for Dairy, Hohhot 010110, China.
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Zhang X, Yang J, Suo H, Tan J, Zhang Y, Song J. Identification and molecular mechanism of action of antibacterial peptides from Flavourzyme-hydrolyzed yak casein against Staphylococcus aureus. J Dairy Sci 2023; 106:3779-3790. [PMID: 37105875 DOI: 10.3168/jds.2022-22823] [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: 09/26/2022] [Accepted: 01/03/2023] [Indexed: 04/29/2023]
Abstract
Antibacterial peptides can be released from yak milk casein. To date, the amino acid sequences and mechanism of action of yak casein-derived antibacterial peptides remain unknown. The current study identified antibacterial peptides from yak casein and their molecular mechanism of action. Our results showed that yak α-casein, β-casein, and κ-casein could be effectively hydrolyzed by Flavourzyme (Solarbio Science and Technology Co. Ltd.), and the 2-h hydrolysate showed the highest antibacterial rate of 43.07 ± 2.59% against Staphylococcus aureus. The 1,000 to 3,000 Da fraction accounted for 23.61% of the 2-h hydrolysate and had an antibacterial rate of 62.64 ± 4.40%. Three novel peptides with antibacterial activity were identified from this fraction, and the β-casein-derived peptide APKHKEMPFPKYP showed the strongest antibacterial effect (half-maximal inhibitory concentration = 0.397 mg/mL). Molecular docking predicted that APKHKEMPFPKYP interacted with 2 important enzymes of Staph. aureus, dihydrofolate reductase and DNA gyrase, through hydrophobic, hydrogen bonding, salt bridge, and π-π stacking interactions. Our findings suggest that the yak casein-derived peptides may serve as a potential source of natural preservatives to inhibit Staph. aureus.
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Affiliation(s)
- Xilu Zhang
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China
| | - Jing Yang
- Chongqing Engineering Research Center for Processing and Storage of Distinct Agricultural Products, Chongqing Technology and Business University, Chongqing 400067, China
| | - Huayi Suo
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China
| | - Jiao Tan
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China
| | - Yu Zhang
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China
| | - Jiajia Song
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China.
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Hassanin AA, Osman A, Atallah OO, El-Saadony MT, Abdelnour SA, Taha HSA, Awad MF, Elkashef H, Ahmed AE, Abd El-Rahim I, Mohamed A, Eldomiaty AS. Phylogenetic comparative analysis: Chemical and biological features of caseins (alpha-S-1, alpha-S-2, beta- and kappa-) in domestic dairy animals. Front Vet Sci 2022; 9:952319. [PMID: 36187819 PMCID: PMC9519386 DOI: 10.3389/fvets.2022.952319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/11/2022] [Indexed: 11/25/2022] Open
Abstract
Caseins determine the physicochemical, physiological, and biological characteristics of milk. Four caseins—alpha-S-1, alpha-S-2, beta, and kappa—were analyzed phylogenetically and in silico and characterized regarding chemical, antimicrobial, and antioxidant features in five dairy animals: Arabian camels, sheep, goats, cattle, and water buffalos. The sequence of full-length amino acids of the four caseins for the five species was retracted from the NCBI GenBank database. Multiple sequence alignment is used to examine further the candidate sequences for phylogenetic analysis using Clustal X and NJ-Plot tools. The results revealed that sheep and goats possess strong similarities (98.06%) because of their common ancestor. The same was observed with cattle and water buffalos (96.25%). The Arabian camel was located in a single subclade due to low similarity in casein residues and compositions with other dairy animals. Protein modeling showed that alpha-S1- and alpha-S2-caseins possess the highest number of phosphoserine residues. The in silico computed chemical properties showed that β-casein recorded highest hydrophobicity index and lowest basic amino acid content, while α-S2-casein showed the opposite. The computed biological parameters revealed that α-S2-casein presented the highest bactericidal stretches. Only Arabian camel β-casein and k-casein showed one bactericidal stretches. The analysis also revealed that β-casein, particularly in Arabian camels, possesses the highest antioxidant activity index. These results support the importance of the bioinformatics resources to determine milk casein micelles' chemical and biological activities.
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Affiliation(s)
- Abdallah A. Hassanin
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- *Correspondence: Abdallah A. Hassanin
| | - Ali Osman
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Osama Osman Atallah
- Department of Plant Pathology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- Mohamed T. El-Saadony
| | - Sameh A. Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Heba S. A. Taha
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Mohamed F. Awad
- Department of Biology, College of Science, Taif University, Taif, Saudi Arabia
| | - Hany Elkashef
- Dairy Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Ahmed Ezzat Ahmed
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
- Department of Theriogenology, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Ibrahim Abd El-Rahim
- Department of Environmental and Health Research, Umm Al-Qura University, Mecca, Saudi Arabia
- Infectious Diseases, Department of Animal Medicine, Faculty of Veterinary Medicine, Assiut University, Asyut, Egypt
| | | | - Ahmed S. Eldomiaty
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Karimi N, Pourahmad R, Taheri S, Eyvazzadeh O. Isolation and purification of bioactive peptides from yogurt whey: Application as a natural preservative in a model food system. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Nafiseh Karimi
- Department of Food Science and Technology Varamin‐ Pishva Branch Islamic Azad University Varamin Iran
| | - Rezvan Pourahmad
- Department of Food Science and Technology Varamin‐ Pishva Branch Islamic Azad University Varamin Iran
| | - Salman Taheri
- Chemistry and Chemical Engineering Research Center of Iran Tehran Iran
| | - Orang Eyvazzadeh
- Department of Food Science and Technology Varamin‐ Pishva Branch Islamic Azad University Varamin Iran
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Ali Redha A, Valizadenia H, Siddiqui SA, Maqsood S. A state-of-art review on camel milk proteins as an emerging source of bioactive peptides with diverse nutraceutical properties. Food Chem 2021; 373:131444. [PMID: 34717085 DOI: 10.1016/j.foodchem.2021.131444] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 09/24/2021] [Accepted: 10/18/2021] [Indexed: 02/07/2023]
Abstract
The generation of camel milk derived bioactive peptides (CM-BAPs) have started to grab keen interest of many researchers during the past decade. CM-BAPs have shown more significant bioactive properties in comparison to camel milk intact proteins. CM-BAPs can be obtained using enzyme hydrolysis to form hydrolysates, or by the fermentation process. In this systematic review, 46 research articles exploring the health-related bioactive properties of CM-BAPs through in-vitro and in-vivo studies have been included. CM-BAPs have been reported for their antioxidant, anti-diabetic, anti-obesity, antihypertensive, antibacterial, antibiofilm, anticancer, anti-inflammatory, anti-haemolytic, and anti-hyperpigmentation activities. The effects of factors such as molecular weight of peptides, type of enzyme, enzyme to substrate ratio, hydrolysis temperature and duration have been analysed. The in-vitro studies have provided enough evidence on certain aspects of the pharmacological actives of camel milk bioactive peptides. Nevertheless, the in-vivo studies are very limited, and no clinical studies on CM-BAPs have been reported.
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Affiliation(s)
- Ali Ali Redha
- Chemistry Department, School of Science, Loughborough University, Loughborough LE11 3TU, United Kingdom.
| | - Hamidreza Valizadenia
- School of Medicine, Shahroud University of Medical Sciences, Shahroud, Semnan Province, Iran
| | - Shahida Anusha Siddiqui
- Technical University of Munich Campus Straubing for Biotechnology and Sustainability, Essigberg 3, 94315 Straubing, Germany; DIL e.V. - German Institute of Food Technologies, D-Quakenbrück, Germany
| | - Sajid Maqsood
- Department of Food Science, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al-Ain 15551, United Arab Emirates; Zayed Centre of Health Science, United Arab Emirates University, Al-Ain 15551, United Arab Emirates.
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Zhao Q, Shi Y, Wang X, Huang A. Characterization of a novel antimicrobial peptide from buffalo casein hydrolysate based on live bacteria adsorption. J Dairy Sci 2020; 103:11116-11128. [DOI: 10.3168/jds.2020-18577] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 07/18/2020] [Indexed: 12/31/2022]
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Liu G, Pang B, Li N, Jin H, Li J, Wu W, Ai C, Jiang C, Shi J. Therapeutic effect of Lactobacillus rhamnosus SHA113 on intestinal infection by multi-drug-resistant Staphylococcus aureus and its underlying mechanisms. Food Funct 2020; 11:6226-6239. [PMID: 32589178 DOI: 10.1039/d0fo00969e] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Staphylococcus aureus, especially multi-drug-resistant (MDR) pathogenic S. aureus, poses a severe threat to food safety and human health. Probiotics offer promising potential for the control of MDR pathogens because of their safe and biofunctional properties. This study shows that Lactobacillus rhamnosus SHA113, a strain isolated from the milk of healthy women, could efficiently inhibit MDR S. aureus both in vitro and in vivo. In vitro, L. rhamnosus efficiently inhibited and even killed drug resistant and drug sensitive S. aureus strains. In vivo experiments showed that SHA113 could efficiently decrease the number of S. aureus cells, inhibit the expression of inflammatory factors TNF-α and IL-6, and restore the level of white cells and neutrophils in the blood. SHA113 could also efficiently repair damage of the intestinal barrier and other functions impaired by S. aureus infection. This was indicated by a change of intestinal villi length and structure, and an up-regulated expression of tight junction proteins ZO-1 and occludin. SHA113 also restored the structural damage of immune organs, such as the enlargement of the spleen and the increased level of inflammatory cytokines caused by S. aureus infection. More importantly, L. rhamnosus SHA113 showed more effective inhibitory and therapeutic effects on MDR S. aureus strain ZBQ006 than on drug sensitive S. aureus strain 29213. These results illustrated that L. rhamnosus SHA113 has great potential for the treatment of MDR S. aureus contamination as food control and for therapeutic treatment.
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Affiliation(s)
- Guanwen Liu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, Shaanxi Province 710072, China.
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Bueno-Gavilá E, Abellán A, Girón-Rodríguez F, Cayuela J, Salazar E, Gómez R, Tejada L. Bioactivity of hydrolysates obtained from bovine casein using artichoke (Cynara scolymus L.) proteases. J Dairy Sci 2019; 102:10711-10723. [DOI: 10.3168/jds.2019-16596] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022]
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Jrad Z, Oussaief O, Khorchani T, El-Hatmi H. Microbial and enzymatic hydrolysis of dromedary whey proteins and caseins: techno-functional, radical scavenging, antimicrobial properties and incorporation in beverage formulation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2019. [DOI: 10.1007/s11694-019-00261-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Are peptides a solution for the treatment of hyperactivated JAK3 pathways? Inflammopharmacology 2019; 27:433-452. [PMID: 30929155 DOI: 10.1007/s10787-019-00589-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/18/2019] [Indexed: 01/10/2023]
Abstract
While the inactivation mutations that eliminate JAK3 function lead to the immunological disorders such as severe combined immunodeficiency, activation mutations, causing constitutive JAK3 signaling, are known to trigger various types of cancer or are responsible for autoimmune diseases, such as rheumatoid arthritis, psoriasis, or inflammatory bowel diseases. Treatment of hyperactivated JAK3 is still an obstacle, due to different sensibility of mutation types to conventional drugs and unwanted side effects, because these drugs are not absolutely specific for JAK3, thus inhibiting other members of the JAK family, too. Lack of information, in which way sole inhibition of JAK3 is necessary for elimination of the disease, calls for the development of isoform-specific JAK3 inhibitors. Beside this strategy, up to date peptides are a rising alternative as chemo- or immunotherapeutics, but still sparsely represented in drug development and clinical trials. Beyond a possible direct inhibition function, crossing the cancer cell membrane and interfering in disease-causing pathways or triggering apoptosis, peptides could be used in future as adjunct remedies to potentialize traditional therapy and preserve non-affected cells. To discuss such feasible topics, this review deals with the knowledge about the structure-function of JAK3 and the actual state-of-the-art of isoform-specific inhibitor development, as well as the function of currently approved drugs or those currently being tested in clinical trials. Furthermore, several strategies for the application of peptide-based drugs for cancer therapy and the physicochemical and structural relations to peptide efficacy are discussed, and an overview of peptide sequences, which were qualified for clinical trials, is given.
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Addar L, Bensouici C, Si Ahmed Zennia S, Boudjenah Haroun S, Mati A. Antioxidant, tyrosinase and urease inhibitory activities of camel αS-casein and its hydrolysate fractions. Small Rumin Res 2019. [DOI: 10.1016/j.smallrumres.2019.01.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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