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Sun R, Lv Z, Wang Y, Li M, Qi J, Wang K, Yang H, Yue T, Yuan Y. Different polysaccharide-enhanced probiotic and polyphenol dual-functional factor co-encapsulated microcapsules demonstrate acute colitis alleviation efficacy and food fortification. Carbohydr Polym 2024; 345:122572. [PMID: 39227107 DOI: 10.1016/j.carbpol.2024.122572] [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: 06/19/2024] [Revised: 07/19/2024] [Accepted: 08/01/2024] [Indexed: 09/05/2024]
Abstract
Probiotics and polyphenols have multiple bioactivities, and developing co-encapsulated microcapsules (CM) is a novel strategy to enhance their nutritional diversity. However, the development of CMs is challenged by complicated processing, single types, and unclear in vivo effects and applications. In this study, the co-microencapsulations of polyphenol and probiotic were constructed using pectin, alginate (WGCA@LK), and Fu brick tea polysaccharides (WGCF@LK), respectively, with chitosan-whey isolate proteins by layer-by-layer coacervation reaction, and their protective effects, in vivo effectiveness, and application potential were evaluated. WGCA@LK improved the encapsulation rate of polyphenols (42.41 %), and remained high viability of probiotics after passing through gastric acidic environment (8.79 ± 0.04 log CFU/g) and storage for 4 weeks (4.59 ± 0.06 log CFU/g). WGCF@LK exhibited the highest total antioxidant activity (19.40 ± 0.25 μmol/mL) and its prebiotic activity removed the restriction on probiotic growth. WGCA@LK showed strong in vitro colonic adhesion, but WGCF@LK promoted in vivo retention of probiotics at 48 h. WGCF@LK showed excellent anti-inflammatory effects and alleviated symptoms of acute colitis in mice. These findings provide unique insights into the fortification of probiotic-polyphenol CMs by different polysaccharides and the development of novel health foods with rich functional hierarchies and superior therapeutic effects.
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Affiliation(s)
- Rui Sun
- College of Food Science and Technology, Northwest University, Xi'an, 710069, China; College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Zhongyi Lv
- College of Food Science and Technology, Northwest University, Xi'an, 710069, China; College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Menghui Li
- College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Jianrui Qi
- College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Kai Wang
- College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Haihua Yang
- College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China
| | - Tianli Yue
- College of Food Science and Technology, Northwest University, Xi'an, 710069, China; College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China; Selenium-rich Tea Research and Development Center, Northwest University, Xi'an, 710069, China.
| | - Yahong Yuan
- College of Food Science and Technology, Northwest University, Xi'an, 710069, China; College of Food Science and Engineering, Northwest A&F University, YangLing 712100, Shaanxi, China; Selenium-rich Tea Research and Development Center, Northwest University, Xi'an, 710069, China.
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Mishra S, Ghosh A, Hansda B, Mondal TK, Biswas T, Das B, Roy D, Kumari P, Mondal S, Mandal B. Activation of Inert Supports for Enzyme(s) Immobilization Harnessing Biocatalytic Sustainability for Perennial Utilization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:18377-18406. [PMID: 39171729 DOI: 10.1021/acs.langmuir.4c00488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Although Nature's evolution and intelligence have gifted humankind with noteworthy enzyme candidates to simplify complex reactions with ultrafast, overselective, effortless, mild biological reactions for millions of years, their availability at minute-scale, short-range time-temperature stability, and purification costs hardly justify recycling/or reuse. Covalent immobilization, particularly via multipoint bonds, prevents denaturing, maintains activities for long-range time, pH, and temperature, and makes catalysts available for repetitive usages; which attracts researchers and industries to bring more immobilized enzyme contenders in science and commercial progressions. Inert-support activation, the most crucial step, needs appropriate activators; under mild conditions, the activator's functional group(s) still present on the activated support rapidly couples the enzyme, preventing unfolding and keeping the active site alive. This review summarizes exciting experimental advances, from the 1950s until today, in the activation strategies of various inert supports with five different surface activators, the cyanogen bromide, the isocyanate/isothiocyanate, the glutaraldehyde, the carbodiimide (with or without N-hydroxysuccinimide (NHS)), and the diazo group, for the immobilization of diverse enzymes for broader applications. These activators under mild pH (7.5 ± 0.5) and temperature (27 ± 3 °C) and ordinary stirring witnessed support activation and enzyme coupling and put off unfolding, harnessing addressable activities (CNBr: 40 ± 10%; -N═C═O/-N═C═S: 32 ± 7%; GA: 70 ± 15%; CDI: 60 ± 10%; -N+≡N: 80 ± 15%), while underprivileged stability, longevity, and reusabilities keep future investigations alive.
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Affiliation(s)
- Shailja Mishra
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Ankit Ghosh
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Biswajit Hansda
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Tanay K Mondal
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Tirtha Biswas
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Basudev Das
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Dipika Roy
- Department of Chemistry, Jadavpur University, Main Campus 188, Raja S.C. Mallick Rd, Kolkata, West Bengal, India 700032
| | - Pallavi Kumari
- University Department of Chemistry, T.M.B.U., Bhagalpur, Bihar-812007, India
| | - Sneha Mondal
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
| | - Bhabatosh Mandal
- Analytical and Bio-analytical Laboratory, Department of Chemistry, Visva-Bharati, Santiniketan, West Bengal, India 731235
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Mi H, Zhang Y, Zhao Y, Li J, Chen J, Li X. Cryoprotective effect of soluble soybean polysaccharides and enzymatic hydrolysates on the myofibrillar protein of Nemipterus virgatus surimi. Food Chem 2024; 446:138903. [PMID: 38452507 DOI: 10.1016/j.foodchem.2024.138903] [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: 12/17/2023] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
Cryoprotective effect and potential mechanism of soluble soybean polysaccharides (SSPS) and enzymatic hydrolysates on surimi was investigated. After hydrolysis, the molecular weight of SSPS significantly decreased, and the hydrolysates prepared by endo-polygalacturonase (EPG-SSPS) was the lowest (154 kDa). Infrared spectrum analysis revealed that enzymatic hydrolysis didn't alter the functional groups of SSPS, but it did augment the exposure to hydroxyl groups. Surimi containing 5 % EPG-SSPS had the lowest freezable water after 20 days of frozen storage. Furthermore, the 5 % EPG-SSPS group manifested the highest metrics in total sulfhydryl (8.0 × 10-5 mol/g), active sulfhydryl content (6.7 × 10-5 mol/g), Ca2+-ATPase activity, and exhibited the lowest level in carbonyl content, surface hydrophobicity (153 μg). Notably, the 5 % EPG-SSPS maintained the stability of protein structure. Conclusively, SSPS enzymatic hydrolysate using endo-polygalacturonase imparted superior cryoprotective effect on the myofibrillar protein of surimi, and the mechanism might be a decrease in molecular weight and exposure of hydroxyl groups.
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Affiliation(s)
- Hongbo Mi
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
| | - Yuhang Zhang
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
| | - Yuming Zhao
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
| | - Jianrong Li
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
| | - Jingxin Chen
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
| | - Xuepeng Li
- College of Food Science and Technology, Bohai University, Institute of Ocean Research, National and Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, National R&D Branch Center of Surimi and Surimi Products Processing, Jinzhou, People's Republic of China.
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4
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Dong X, Raghavan V. Modifications of the Structural, Nutritional, and Allergenic Properties of Atlantic Cod Induced by Novel Thermal Glycation Treatments. Foods 2024; 13:2175. [PMID: 39063259 PMCID: PMC11275424 DOI: 10.3390/foods13142175] [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: 05/27/2024] [Revised: 07/05/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
This study aimed to assess the effect of novel thermal glycation, utilizing microwave processing (100-150 °C) combined with sugars (glucose and lactose), on the in vitro protein digestibility, peptides, secondary structures, microstructures, and allergenic properties of Atlantic cod. The research demonstrated that microwave heating at 150 °C with glucose significantly reduced cod allergenicity by up to 16.16%, while also enhancing in vitro protein digestibility to 69.05%. Glucose was found to be more effective than lactose in conjunction with microwave heating in reducing the allergenicity of Atlantic cod. Moreover, treatments conducted at 150 °C were more effective in increasing in vitro protein digestibility and peptide content compared to those at 100 °C. This study revealed that the novel processing technique of thermal glycation effectively reduced the allergenicity of Atlantic cod. It also offered fresh insights into the potential benefits of combining microwave heating with sugars.
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Affiliation(s)
- Xin Dong
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada;
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Xia X, Yang X, Zhu Y, Sun Y, Zhu X. Effect and mechanism of freezing on the quality and structure of soymilk gel induced by different salt ions. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:5284-5295. [PMID: 38308594 DOI: 10.1002/jsfa.13354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/23/2023] [Accepted: 02/01/2024] [Indexed: 02/05/2024]
Abstract
BACKGROUND The increasing attention toward frozen soy-based foods has sparked interest. Variations exist in the quality and structure of soymilk gels induced by different salt ions, leading to diverse changes post-freezing. This study compared and analyzed the effects of calcium chloride (CC), magnesium chloride (MC) and calcium sulfate (CS) on the quality characteristics and protein structure changes of soymilk gels (CC-S, MC-S and CS-S) before and after freezing, and clarified the mechanisms of freezing on soymilk gel. RESULTS The formation rate of soymilk gel is influenced by the type of salt ions. In comparison to CS and MC, soymilk gel induced by CC exhibited the fastest formation rate, highest gel hardness, lowest moisture content, and smaller gel pores. However, freezing treatment deteriorated the quality of soymilk gel induced by different salt ions, leading to a decline in textural properties (hardness and chewiness). Among these, the textual state of CC-induced soymilk gel remained optimal, exhibiting the least apparent damage and minimal cooking loss. Freezing treatments prompt a transition of soymilk gel secondary structure from β-turns to β-sheets, disrupting the protein's tertiary structure. Furthermore, freezing treatments also fostered the crosslinking between soymilk gel protein, increasing the content of disulfide bonds. CONCLUSION The quality of frozen soymilk gel is influenced by the rate of gel formation induced by salt ions. After freezing, soymilk gel with faster gelation rates exhibited a greater tendency for the transformation of protein-water interactions into protein-protein interactions. They showed a higher degree of disulfide bond formation, resulting in a more tightly knit and firm frozen gel network structure with denser and more uniformly distributed pores. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Xiaoyu Xia
- College of Food Engineering, Harbin University of Commerce, Harbin, China
- Soybean Research Institute of Heilongjiang Academy of Agricultural Sciences, Harbin, China
| | - Xinxin Yang
- College of Food Engineering, Harbin University of Commerce, Harbin, China
| | - Ying Zhu
- College of Food Engineering, Harbin University of Commerce, Harbin, China
| | - Ying Sun
- College of Food Engineering, Harbin University of Commerce, Harbin, China
| | - Xiuqing Zhu
- College of Food Engineering, Harbin University of Commerce, Harbin, China
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Xia W, Gao Y, Fang X, Jin L, Liu R, Wang LS, Deng Y, Gao J, Yang H, Wu W, Gao H. Simulated gastrointestinal digestion of walnut protein yields anti-inflammatory peptides. Food Chem 2024; 445:138646. [PMID: 38382250 DOI: 10.1016/j.foodchem.2024.138646] [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: 11/07/2023] [Revised: 01/06/2024] [Accepted: 01/30/2024] [Indexed: 02/23/2024]
Abstract
The impact of the simulated gastrointestinal digestion process on walnut protein and the potential anti-inflammatory properties of its metabolites was studied. Structural changes induced by digestion, notably in α-Helix, β-Turn, and Random Coil configurations, were unveiled. Proteins over 10,000 Da significantly decreased by 35.6 %. Antioxidant activity in these metabolites paralleled increased amino acid content. Molecular docking identified three walnut polypeptides-IPAGTPVYLINR, FQGQLPR, and VVYVLR-with potent anti-inflammatory properties. RMSD and RMSF analysis demonstrated the stable and flexible interaction of these polypeptides with their target proteins. In lipopolysaccharide (LPS)-induced inflammation in normal human colon mucosal epithelial NCM460 cells, these peptides decreased 5-hydroxytryptamine (5-HT), tumor necrosis factor-alpha (TNF-α), and vascular endothelial growth factor (VEGF) expression, while mitigating cell apoptosis and inflammation. Our study offers valuable insights into walnut protein physiology, shedding light on its potential health benefits.
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Affiliation(s)
- Wei Xia
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Yuan Gao
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, China
| | - Xiangjun Fang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Long Jin
- Chacha Food Co., Ltd., Hefei 230061, China
| | - Ruiling Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Li-Shu Wang
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA; Department of Hematology and Hematopoietic Cell Transplantation, Comprehensive, Cancer Center, City of Hope National Medical Center, Duarte, CA, USA
| | - Yangyong Deng
- Hangzhou Yaoshengji Food Co., Ltd., Hangzhou 310052, China
| | - Junlong Gao
- Hangzhou Yaoshengji Food Co., Ltd., Hangzhou 310052, China
| | - Hailong Yang
- College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China.
| | - Weijie Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Haiyan Gao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture and Rural Affairs, Key Laboratory of Fruits and Vegetables Postharvest and Processing Technology Research of Zhejiang Province, Food Science Institute, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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7
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Zhang Y, Lyu H, Cao J, Wang J, Teng W, Wang Y. Constructing myosin/high-density lipoprotein composite emulsions: Roles of pH on emulsification stability, rheological and structural properties. Food Res Int 2024; 188:114440. [PMID: 38823857 DOI: 10.1016/j.foodres.2024.114440] [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: 01/13/2024] [Revised: 03/23/2024] [Accepted: 04/27/2024] [Indexed: 06/03/2024]
Abstract
The emulsification activity of myosin plays a significant role in affecting quality of emulsified meat products. High-density lipoprotein (HDL) possesses strong emulsification activity and stability due to its structural characteristics, suggesting potential for its utilization in developing functional emulsified meat products. In order to explore the effect of HDL addition on emulsification stability, rheological properties and structural features of myosin (MS) emulsions, HDL-MS emulsion was prepared by mixing soybean oil with isolated HDL and MS, with pH adjustments ranging from 3.0 to 11.0. The results found that emulsification activity and stability in two emulsion groups consistently improved as pH increased. Under identical pH, HDL-MS emulsion exhibited superior emulsification behavior as compared to MS emulsion. The HDL-MS emulsion under pH of 7.0-11.0 formed a viscoelastic protein layer at the interface, adsorbing more proteins and retarding oil droplet diffusion, leading to enhanced oxidative stability, compared to the MS emulsion. Raman spectroscopy analysis showed more flexible conformational changes in the HDL-MS emulsion. Microstructural observations corroborated these findings, showing a more uniform distribution of droplet sizes in the HDL-MS emulsion with smaller particle sizes. Overall, these determinations suggested that the addition of HDL enhanced the emulsification behavior of MS emulsions, and the composite emulsions demonstrated heightened responsiveness under alkaline conditions. This establishes a theoretical basis for the practical utilization of HDL in emulsified meat products.
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Affiliation(s)
- Yuemei Zhang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 100048 Beijing, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, 100048 Beijing, China
| | - Hangbin Lyu
- Key Laboratory of Animal Protein Food Processing Technology of Zhejiang Province, College of Food Science and Pharmaceutical Sciences, Ningbo University, 315211 Ningbo, China
| | - Jinxuan Cao
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 100048 Beijing, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, 100048 Beijing, China
| | - Jinpeng Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 100048 Beijing, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, 100048 Beijing, China
| | - Wendi Teng
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 100048 Beijing, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, 100048 Beijing, China
| | - Ying Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, 100048 Beijing, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, 100048 Beijing, China.
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Li Y, Zhou L, Zhou W, Zhang H, Qin X, Liu G. Whey protein isolate and inulin-glycosylated conjugate affect the physicochemical properties and oxidative stability of pomegranate seed oil emulsion. Food Chem 2024; 444:138649. [PMID: 38330610 DOI: 10.1016/j.foodchem.2024.138649] [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: 11/29/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Glycosylated protein was obtained by the reaction of whey protein isolate(WPI) with inulin of different polymerization degrees and was used to stabilize a pomegranate seed oil emulsion. The physicochemical and antioxidative properties of the emulsions were assessed, and the impacts of accelerated oxidation on pomegranate seed oil were examined. The interfacial tension of WPI and short-chain inulin (SCI)-glycosylated conjugate (WPI-SCI) gradually decreased with increasing glycosylation reaction time. Emulsions stabilized by WPI-SCI (72 h) were the most stable, with a thick interfacial film on the surface of the droplets. After accelerated oxidation for 72 h, WPI-SCI inhibited the oxidation of oil in the emulsion. GC-IMS results showed that the production of harmful volatile components in oil was inhibited, and the peroxide strength was less than 30 mmol/kg oil. This study contributes to understanding of stable storage of lipids.
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Affiliation(s)
- Yaochang Li
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lian Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Wenhao Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Haizhi Zhang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China
| | - Xinguang Qin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China.
| | - Gang Liu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China
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9
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Lan T, Dong Y, Jiang L, Zhang Y, Sui X. Analytical approaches for assessing protein structure in protein-rich food: A comprehensive review. Food Chem X 2024; 22:101365. [PMID: 38623506 PMCID: PMC11016869 DOI: 10.1016/j.fochx.2024.101365] [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: 10/05/2023] [Revised: 03/24/2024] [Accepted: 04/05/2024] [Indexed: 04/17/2024] Open
Abstract
This review focuses on changes in nutrition and functional properties of protein-rich foods, primarily attributed to alterations in protein structures. We provide a comprehensive overview and comparison of commonly used laboratory methods for protein structure identification, aiming to offer readers a convenient understanding of these techniques. The review covers a range of detection technologies employed in food protein analysis and conducts an extensive comparison to identify the most suitable method for various proteins. While these techniques offer distinct advantages for protein structure determination, the inherent complexity of food matrices presents ongoing challenges. Further research is necessary to develop and enhance more robust detection methods to improve accuracy in protein conformation and structure analysis.
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Affiliation(s)
- Tian Lan
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yabo Dong
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yan Zhang
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
| | - Xiaonan Sui
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
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10
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Dong X, Raghavan V. High-intensity ultrasound treatment of Atlantic cod: Impact on nutrients, structure, sensory quality, bioactivity, and in-vitro digestibility. Food Res Int 2024; 186:114363. [PMID: 38729725 DOI: 10.1016/j.foodres.2024.114363] [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: 12/23/2023] [Revised: 04/05/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024]
Abstract
This study evaluates the impact of high-intensity ultrasound (HIU) on the physicochemical properties and in-vitro digestibility of Atlantic cod (Gadus morhua). Various ultrasound durations (0-60 min) were applied to assess changes in color attributes, total antioxidant capacity (TAC), total flavonoid content (TFC), total phenolic content (TPC), total protein content, and in-vitro protein digestibility (IVPD). Results indicated HIU maximumly increased TAC, TFC, TPC, and peptide content before digestion by 7.28 % (US60), 3.00 % (US30), 32.43 % (US10), and 18.93 % (US60), respectively. While HIU reduced total protein content, it enhanced IVPD by up to 12.24 % (US30). Color attributes electron microscopy reflected structural changes in the cod samples, suggesting the effectiveness of HIU in altering protein structures. These findings highlight HIU's potential as a non-thermal technique for improving the sensory and nutritional quality of Atlantic cod, offering valuable insights for the seafood processing industry and consumers.
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Affiliation(s)
- Xin Dong
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada.
| | - Vijaya Raghavan
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada
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11
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Xing G, Yang S, Huang L, Liu S, Wan X. Effect of transglutaminase crosslinking combined with lactic fermentation on the potential allergenicity and conformational structure of soy protein. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38817117 DOI: 10.1002/jsfa.13628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/13/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND Food allergies are a growing concern worldwide, with soy proteins being important allergens that are widely used in various food products. This study investigated the potential of transglutaminase (TGase) and lactic acid bacteria (LAB) treatments to modify the allergenicity and structural properties of soy protein isolate (SPI), aiming to develop safer soy-based food products. RESULTS Treatment with TGase, LAB or their combination significantly reduced the antibody reactivity of β-conglycinin and the immunoglobulin E (IgE) binding capacity of soy protein, indicating a decrease in allergenicity. TGase treatment led to the formation of high-molecular-weight aggregates, suggesting protein crosslinking, while LAB treatment resulted in partial protein hydrolysis. These structural changes were confirmed by Fourier transform infrared spectroscopy, which showed a decrease in β-sheet content and an increase in random coil and β-turn contents. In addition, changes in intrinsic fluorescence and ultraviolet spectroscopy were also observed. The alterations in protein interaction and the reduction in free sulfhydryl groups highlighted the extensive structural modifications induced by these treatments. CONCLUSION The synergistic application of TGase and LAB treatments effectively reduced the allergenicity of SPI through significant structural modifications. This approach not only diminished antibody reactivity of β-conglycinin and IgE binding capacity of soy protein but also altered the protein's primary, secondary and tertiary structures, suggesting a comprehensive alteration of SPI's allergenic potential. These findings provide a promising strategy for mitigating food allergy concerns and lay the foundation for future research on food-processing techniques aimed at allergen reduction. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Guangliang Xing
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, People's Republic of China
| | - Siran Yang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, People's Republic of China
| | - Lu Huang
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, People's Republic of China
| | - Sitong Liu
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, People's Republic of China
- Department of Kinesiology, Health, Food and Nutrition Sciences, University of Wisconsin-Stout, Menomonie, Wisconsin, USA
| | - Xinyi Wan
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu, People's Republic of China
- Department of Kinesiology, Health, Food and Nutrition Sciences, University of Wisconsin-Stout, Menomonie, Wisconsin, USA
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12
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Yuan L, Liu T, Qi X, Zhang Y, Wang Q, Wang Q, Liu M. Multi-spectroscopic and molecular docking studies for the pH-dependent interaction of β-lactoglobulin with (-)-epicatechin gallate and/or piceatannol: Influence on antioxidant activity and stability. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 313:124090. [PMID: 38428163 DOI: 10.1016/j.saa.2024.124090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 02/23/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
(-)-Epicatechin gallate (ECG) and piceatannol (PIC) are commonly polyphenols with excellent biological activities. β-Lactoglobulin (BLG) is a food-grade globule protein and its morphologies are sensitive to pH. This study used experimental and computational methods to determine the interaction of single or combined ECG and PIC with BLG at different pHs. The static quenching process was determined through fluorescence and ultraviolet-visible spectroscopy. Compared with ECG, PIC could significantly bind to BLG with higher affinity. Their binding affinity for BLG with different morphologies followed the tendency of monomer > dimer > tetramer. The negative contribution of van der Waals forces, electrostatic interactions, and hydrogen bonds to ΔHo exceeded the positive contribution of hydrophobic interactions in the spontaneous and exothermic process. The reduced binding affinity in the ternary systems demonstrated the competitive binding between ECG and PIC on BLG, and the hinder effect of ECG or PIC was enhanced with increasing pH. Molecular docking studies revealed the same binding sites of ECG and PIC on various conformations of BLG and identical driven forces as thermodynamic results. Tryptophan and tyrosine were the main participators in the BLG + ECG and BLG + PIC systems, respectively. The conformational changes in the binary and ternary systems could be ascertained through synchronous fluorescence, circular dichroism, and dynamic light scattering. Furthermore, the effects of pH and BLG encapsulation on the antioxidant capacity and stability of ECG or PIC were also implemented. ECG or PIC was the most stable in the (BLG + PIC) + ECG system at pH 6.0. This study could clarify the interaction mechanism between ECG/PIC and BLG and elucidate the pH effect on their binding information. The results will provide basic support for their usage in food processing and applications.
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Affiliation(s)
- Lixia Yuan
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, People's Republic of China
| | - Tingting Liu
- School of Material Science and Engineering, Tiangong University, Tianjin 300387, People's Republic of China
| | - Xin Qi
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, People's Republic of China
| | - Yanqing Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, People's Republic of China
| | - Qiulu Wang
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, People's Republic of China
| | - Qingpeng Wang
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, People's Republic of China
| | - Min Liu
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, People's Republic of China; School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, People's Republic of China.
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13
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Liu ZW, Tang PP, Zhang YX, Cheng JH, Aadil RM, Liu XB. Preventing thermal aggregation of ovalbumin through dielectric-barrier discharge plasma treatment and enhancing its emulsification properties. Int J Biol Macromol 2024; 267:131578. [PMID: 38641267 DOI: 10.1016/j.ijbiomac.2024.131578] [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: 02/18/2024] [Revised: 04/06/2024] [Accepted: 04/11/2024] [Indexed: 04/21/2024]
Abstract
The impact of Dielectric-Barrier Discharge (DBD) plasma treatment on the prevention of heat-induced aggregation of Ovalbumin (OVA) and improvement in emulsification properties was investigated. Results highlighted the effective inhibition of thermal aggregation of OVA following exposure to plasma. Structural analysis revealed that the plasma-induced oxidation of sulfhydryl and intermolecular disulfide bonds played a pivotal role in inhibiting the thermal aggregation, considered by Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis (SDS-PAGE), multiplies spectroscopy, and analysis of dynamic exchange of sulfhydryl-disulfide bonds. Meanwhile, the oxidation of exposed hydrophobic sites due to plasma treatment resulted in the transformation of the OVA molecule's surface from hydrophobic to hydrophilic, contributing significantly to the aggregation inhibition. Additionally, compared to an untreated sample of OVA, almost one-fold increase in emulsifying ability (EAI) and 1.5-fold in emulsifying stability (ESI) was observed after 4 min of plasma treatment. These findings demonstrated that plasma treatment not only enhanced the thermal stability of OVA, but also improved its emulsification properties.
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Affiliation(s)
- Zhi-Wei Liu
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Pan-Pan Tang
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Yi-Xuan Zhang
- College of Food Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Jun-Hu Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad 38000, Pakistan.
| | - Xiu-Bin Liu
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
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14
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Ni K, Liu A, Ding Y, Ye X. Thermal properties of glycinin in crowded environments. Int J Biol Macromol 2024; 263:130192. [PMID: 38360233 DOI: 10.1016/j.ijbiomac.2024.130192] [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: 09/11/2023] [Revised: 02/06/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
Crowded environments, commonly found in the food system, are utilized to enhance the properties of soybean proteins. Despite their widespread application, little information exists regarding the impact of crowded environments on the denaturation behaviors of soybean proteins. In this study, we investigated how crowding agents with varying molecular weights, functional groups, and topology affect the denaturation behavior of glycinin under crowded conditions. The results reveal that thermal stability in PEG crowded environments is mainly influenced by both preferential hydration and binding. The stabilization is primarily enthalpy-driven, with aggregation contributing additional entropic stabilization. Specifically, ethylene glycol and diethylene glycol exhibit temperature-dependent, bilateral effects on glycinin stability. At the denaturation temperature, hydrophobic interactions play a predominant role, decreasing glycinin's thermal stability. However, at a molecular weight of 200 g/mol, there is a delicate balance between destabilizing and stabilizing effects, leading to no significant change in thermal stability. With the addition of PEG 400, 1000, and 2000, besides preferential hydration, additional hard-core repulsions between glycinin molecules enhance thermal stability. Methylation modification experiments demonstrated that 2-methoxyethyl ether exerted a more pronounced denaturing effect. Additionally, the cyclization of PEG 1000 decreased its stabilizing effect.
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Affiliation(s)
- Kang Ni
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Anhong Liu
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Yanwei Ding
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China.
| | - Xiaodong Ye
- Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China; CAS Key Laboratory of Soft Matter Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China; Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei, Anhui 230026, China.
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15
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Ma H, Guo J, Liu G, Xie D, Zhang B, Li X, Zhang Q, Cao Q, Li X, Ma F, Li Y, Wan G, Li Y, Wu D, Ma P, Guo M, Yin J. Raman spectroscopy coupled with chemometrics for identification of adulteration and fraud in muscle foods: a review. Crit Rev Food Sci Nutr 2024:1-23. [PMID: 38523442 DOI: 10.1080/10408398.2024.2329956] [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: 03/26/2024]
Abstract
Muscle foods, valued for their significant nutrient content such as high-quality protein, vitamins, and minerals, are vulnerable to adulteration and fraud, stemming from dishonest vendor practices and insufficient market oversight. Traditional analytical methods, often limited to laboratory-scale., may not effectively detect adulteration and fraud in complex applications. Raman spectroscopy (RS), encompassing techniques like Surface-enhanced RS (SERS), Dispersive RS (DRS), Fourier transform RS (FTRS), Resonance Raman spectroscopy (RRS), and Spatially offset RS (SORS) combined with chemometrics, presents a potent approach for both qualitative and quantitative analysis of muscle food adulteration. This technology is characterized by its efficiency, rapidity, and noninvasive nature. This paper systematically summarizes and comparatively analyzes RS technology principles, emphasizing its practicality and efficacy in detecting muscle food adulteration and fraud when combined with chemometrics. The paper also discusses the existing challenges and future prospects in this field, providing essential insights for reviews and scientific research in related fields.
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Affiliation(s)
- Haiyang Ma
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Jiajun Guo
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Guishan Liu
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Delang Xie
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Bingbing Zhang
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Xiaojun Li
- School of Electronic and Electrical Engineering, Ningxia University, Yinchuan, China
| | - Qian Zhang
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Qingqing Cao
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Xiaoxue Li
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Fang Ma
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Yang Li
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Guoling Wan
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Yan Li
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Di Wu
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Ping Ma
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Mei Guo
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
| | - Junjie Yin
- School of Food Science and Engineering, Ningxia University, Yinchuan, Ningxia, China
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16
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Xie Y, Chen D, Cao J, Wang X, Yin X. Synergistic Effects of High-Intensity Ultrasound Combined with L-Lysine for the Treatment of Porcine Myofibrillar Protein Regarding Solubility and Flavour Adsorption Capacity. Foods 2024; 13:629. [PMID: 38397606 PMCID: PMC10887734 DOI: 10.3390/foods13040629] [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: 01/06/2024] [Revised: 02/08/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
This study aimed to investigate the synergistic effects of high-intensity ultrasound (0, 5, 10, 15, and 20 min) in combination with L-lysine (15 mM) on improving the solubility and flavour adsorption capacity of myofibrillar proteins (MPs) in low-ion-strength media. The results revealed that the ultrasound treatment for 20 min or the addition of L-lysine (15 mM) significantly improved protein solubility (p < 0.05), with L-lysine (15 mM) showing a more pronounced effect (p < 0.05). The combination of ultrasound treatment and L-lysine further increased solubility, and the MPs treated with ultrasound at 20 min exhibited the best dispersion stability in water, which corresponded to the lowest turbidity, highest absolute zeta potential value, and thermal stability (p < 0.05). Based on the reactive and total sulfhydryl contents, Fourier transform infrared spectroscopy, and fluorescence spectroscopy analysis, the ultrasound treatment combined with L-lysine (15 mM) promoted the unfolding and depolymerization of MPs, resulting in a larger exposure of SH groups on the surface, aromatic amino acids in a polar environment, and a transition of protein conformation from α-helix to β-turn. Moreover, the combined treatment also increased the hydrophobic bonding sites, hydrogen-bonding sites, and electrostatic effects, thereby enhancing the adsorption capacity of MPs to bind kenone compounds. The findings from this study provide a theoretical basis for the production and flavour improvement of low-salt MP beverages and the utilisation of meat protein.
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Affiliation(s)
| | | | | | | | - Xiaoyu Yin
- College of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; (Y.X.); (D.C.); (J.C.); (X.W.)
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17
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Yang J, Liu L, Ren Y, Guo L, Chen Y, Qian JY. Alternating current electric field modifies structure and flavor of peanut proteins. Food Chem 2024; 434:137514. [PMID: 37751671 DOI: 10.1016/j.foodchem.2023.137514] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/23/2023] [Accepted: 09/15/2023] [Indexed: 09/28/2023]
Abstract
The impacts of intensity and treating time of alternating current (AC) electric field (EF) on structure and volatile compounds of peanut protein were investigated for low denaturation. The secondary and tertiary structures, polar and weakly polar volatiles were characterized qualitatively and quantitatively using ultraviolet and fluorescence photospectrometry, free sulfhydryl and disulfide groups determination, and combination of gas chromatography and mass spectrometry. The results showed that the ACEF affected significantly proportions of α-helices, β-sheets, β-turns, and random coils as evidenced by Fourier transform infrared spectrometry. Blue shifts of UV and fluorescence spectra, increased surface hydrophobicity and disulfide bonds could be observed after ACEF treatments. The DB-WAX and DB-5MS columns for the polar and weakly polar volatile compound separation revealed that ACEF caused either disappearance or emerging of volatile compounds. The PCA demonstrated that the two principal components contributed about 70 % or more to the flavor and PLS-DA discriminated 18 key compounds.
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Affiliation(s)
- Jie Yang
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China
| | - Luqiang Liu
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China
| | - Yiping Ren
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China
| | - Lunan Guo
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China
| | - Ying Chen
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China
| | - Jian-Ya Qian
- School of Food Science and Engineering, Yangzhou University, Huayang Xilu 196, Yangzhou, Jiangsu 225127, China.
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18
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Kaur G, Kaur N, Wadhwa R, Tushir S, Yadav DN. Techno-functional attributes of oilseed proteins: influence of extraction and modification techniques. Crit Rev Food Sci Nutr 2023:1-20. [PMID: 38153305 DOI: 10.1080/10408398.2023.2295434] [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: 12/29/2023]
Abstract
Plant-based protein isolates and concentrates are nowadays becoming popular due to their nutritional, functional as well as religious concerns. Among plant proteins, oilseeds, a vital source of valuable proteins, are continuously being explored for producing protein isolates/concentrates. This article delineates the overview of conventional as well as novel methods for the extraction of protein and their potential impact on its hydration, surface properties, and rheological characteristics. Moreover, proteins undergo several modifications using physical, chemical, and biological techniques to enhance their functionality by altering their microstructure and physical performance. The modified proteins hold a pronounced scope in novel food formulations. An overview of these protein modification approaches and their effects on the functional properties of proteins have also been presented in this review.
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Affiliation(s)
- Gurjeet Kaur
- Food Grains and Oilseeds Processing Division, ICAR-Central Institute of Post-harvest Engineering & Technology, Ludhiana, India
| | - Navjot Kaur
- Food Grains and Oilseeds Processing Division, ICAR-Central Institute of Post-harvest Engineering & Technology, Ludhiana, India
| | - Ritika Wadhwa
- Food Grains and Oilseeds Processing Division, ICAR-Central Institute of Post-harvest Engineering & Technology, Ludhiana, India
| | - Surya Tushir
- Food Grains and Oilseeds Processing Division, ICAR-Central Institute of Post-harvest Engineering & Technology, Ludhiana, India
| | - Deep Narayan Yadav
- Food Grains and Oilseeds Processing Division, ICAR-Central Institute of Post-harvest Engineering & Technology, Ludhiana, India
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19
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Pérez-Bermúdez I, Castillo-Suero A, Cortés-Inostroza A, Jeldrez C, Dantas A, Hernández E, Orellana-Palma P, Petzold G. Observation and Measurement of Ice Morphology in Foods: A Review. Foods 2023; 12:3987. [PMID: 37959105 PMCID: PMC10648627 DOI: 10.3390/foods12213987] [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: 09/26/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Freezing is an effective technology with which to maintain food quality. However, the formation of ice crystals during this process can cause damage to the cellular structure, leading to food deterioration. A good understanding of the relationship between food microstructure and ice morphology, as well as the ability to effectively measure and control ice crystals, is very useful to achieve high-quality frozen foods. Hence, a brief discussion is presented on the fundamentals/principles of optical microscopic techniques (light microscopy), electronic microscopic techniques (transmission electron microscopy (TEM) and scanning electron microscopy (SEM)), as well as other non-invasive techniques (X-rays, spectroscopy, and magnetic resonance) and their application to measuring ice formation rates and characterizing ice crystals, providing insight into the freezing mechanisms as well as direct monitoring of the entire process. And, in addition, this review compares (the negative and positive aspects of) the use of simple and cheap but destructive technologies (optical microscopy) with detailed microscopic technologies at the micro/nanometer scale but with pretreatments that alter the original sample (SEM and TEM), and non-destructive technologies that do not require sample preparation but which have high acquisition and operational costs. Also included are images and examples which demonstrate how useful an analysis using these techniques can be.
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Affiliation(s)
- Indira Pérez-Bermúdez
- Grupo de Crioconcentración de Alimentos y Procesos Relacionados, Departamento de Ingeniería en Alimentos, Facultad de Ciencias de la Salud y de los Alimentos, Campus Fernando May, Universidad del Bío-Bío, Av. Andrés Bello 720, Chillán 3780000, Chile
| | - Alison Castillo-Suero
- Departamento de Ingeniería en Alimentos, Facultad de Ingeniería, Campus Andrés Bello, Universidad de La Serena, Av. Raúl Bitrán 1305, La Serena 1720010, Chile; (A.C.-S.); (A.C.-I.); (C.J.)
| | - Anielka Cortés-Inostroza
- Departamento de Ingeniería en Alimentos, Facultad de Ingeniería, Campus Andrés Bello, Universidad de La Serena, Av. Raúl Bitrán 1305, La Serena 1720010, Chile; (A.C.-S.); (A.C.-I.); (C.J.)
| | - Cristóbal Jeldrez
- Departamento de Ingeniería en Alimentos, Facultad de Ingeniería, Campus Andrés Bello, Universidad de La Serena, Av. Raúl Bitrán 1305, La Serena 1720010, Chile; (A.C.-S.); (A.C.-I.); (C.J.)
| | - Adriana Dantas
- Institute of Agrifood Research and Technology (IRTA), Food Quality and Technology, Finca Camps i Armet, Monells, 17121 Girona, Spain;
| | - Eduardo Hernández
- Agri-Food Engineering and Biotechnology Department, Campus del Baix Llobregat, Universitat Politècnica de Catalunya BarcelonaTech, Edifici D-4 C/Esteve Terradas, 8, Castelldefels, 08860 Barcelona, Spain;
| | - Patricio Orellana-Palma
- Departamento de Ingeniería en Alimentos, Facultad de Ingeniería, Campus Andrés Bello, Universidad de La Serena, Av. Raúl Bitrán 1305, La Serena 1720010, Chile; (A.C.-S.); (A.C.-I.); (C.J.)
| | - Guillermo Petzold
- Grupo de Crioconcentración de Alimentos y Procesos Relacionados, Departamento de Ingeniería en Alimentos, Facultad de Ciencias de la Salud y de los Alimentos, Campus Fernando May, Universidad del Bío-Bío, Av. Andrés Bello 720, Chillán 3780000, Chile
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20
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Li H, Wang Q, Li W, Xia X. Cryoprotective Effect of NADES on Frozen-Thawed Mirror Carp Surimi in Terms of Oxidative Denaturation, Structural Properties, and Thermal Stability of Myofibrillar Proteins. Foods 2023; 12:3530. [PMID: 37835183 PMCID: PMC10572836 DOI: 10.3390/foods12193530] [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: 09/05/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Quality degradation due to the formation and growth of ice crystals caused by temperature fluctuations during storage, transportation, or retailing is a common problem in frozen surimi. While commercial antifreeze is used as an ingredient in frozen surimi, its high sweetness does not meet the contemporary consumer demand for low sugar and low calories. Therefore, the development of new green antifreeze agents to achieve an enhanced frozen-thawed stability of surimi has received more attention. The aim of this study was to develop a cryoprotectant (a mixture of citric acid and trehalose) to enhance the frozen-thawed stability of surimi by inhibiting the oxidative denaturation and structural changes of frozen-thawed mirror carp (Cyprinus carpio L.) surimi myofibrillar protein (MP). The results showed that the amounts of free amine, sulfhydryl, α-helix, intrinsic fluorescence intensity, and thermal stability in the control significantly decreased after five F-T cycles, while the Schiff base fluorescence intensity, amounts of disulfide bonds and surface hydrophobicity significantly increased (p < 0.05). Compared to sucrose + sorbitol (SS), the natural deep eutectic solvents (NADES) effectively inhibited protein oxidation. After five F-T cycles, the α-helix content and Ca2+-ATPase activity of the NADES samples were 4.32% and 80.0%, respectively, higher, and the carbonyl content was 17.4% lower than those of the control. These observations indicate that NADES could inhibit oxidative denaturation and enhance the structural stability of MP.
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Affiliation(s)
| | | | | | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (Q.W.); (W.L.)
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21
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Radotić K, Stanković M, Bartolić D, Natić M. Intrinsic Fluorescence Markers for Food Characteristics, Shelf Life, and Safety Estimation: Advanced Analytical Approach. Foods 2023; 12:3023. [PMID: 37628022 PMCID: PMC10453546 DOI: 10.3390/foods12163023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/27/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Food is a complex matrix of proteins, fats, minerals, vitamins, and other components. Various analytical methods are currently used for food testing. However, most of the used methods require sample preprocessing and expensive chemicals. New analytical methods are needed for quick and economic measurement of food quality and safety. Fluorescence spectroscopy is a simple and quick method to measure food quality, without sample preprocessing. This technique has been developed for food samples due to the application of a front-face measuring setup. Fluorescent compounds-fluorophores in the food samples are highly sensitive to their environment. Information about molecular structure and changes in food samples is obtained by the measurement of excitation-emission matrices of the endogenous fluorophores and by applying multivariate chemometric tools. Synchronous fluorescence spectroscopy is an advantageous screening mode used in food analysis. The fluorescent markers in food are amino acids tryptophan and tyrosine; the structural proteins collagen and elastin; the enzymes and co-enzymes NADH and FAD; vitamins; lipids; porphyrins; and mycotoxins in certain food types. The review provides information on the principles of the fluorescence measurements of food samples and the advantages of this method over the others. An analysis of the fluorescence spectroscopy applications in screening the various food types is provided.
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Affiliation(s)
- Ksenija Radotić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia; (M.S.); (D.B.)
- Center for Green Technologies, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia
| | - Mira Stanković
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia; (M.S.); (D.B.)
- Center for Green Technologies, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia
| | - Dragana Bartolić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia; (M.S.); (D.B.)
- Center for Green Technologies, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia
| | - Maja Natić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
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22
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Ma C, Xia S, Song J, Hou Y, Hao T, Shen S, Li K, Xue C, Jiang X. Yeast protein as a novel dietary protein source: Comparison with four common plant proteins in physicochemical properties. Curr Res Food Sci 2023; 7:100555. [PMID: 37575129 PMCID: PMC10412773 DOI: 10.1016/j.crfs.2023.100555] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/03/2023] [Accepted: 07/26/2023] [Indexed: 08/15/2023] Open
Abstract
Currently, with the preference for a healthy diet and increased awareness of reducing the carbon footprint, the demand for protein is becoming more and more diversified. In this study, the physicochemical properties of yeast protein (YP) and four common plant proteins (soy protein isolate, pea protein isolate, wheat gluten, and peanut protein) were compared. The most prevalent secondary structure in YP is the β-sheet. Furthermore, YP is in an aggregated state, and it has a high surface hydrophobicity. The tryptophan residues are primarily exposed on the polar surface of YP. The results of in vitro digestibility indicated that YP (84.91 ± 0.52%) was a high-quality protein. Moreover, YP has a higher thermal stability and relatively stable low apparent viscosity, which provides ample possibility for its application in food processing and in foods for people with swallowing difficulties. This study provides theoretical basis in the potential of YP as an alternative protein source.
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Affiliation(s)
- Chengxin Ma
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
| | - Songgang Xia
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
| | - Jian Song
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
| | - Yukun Hou
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
| | - Tingting Hao
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
| | - Shuo Shen
- The Hubei Provincial Key Laboratory of Yeast Function, Yichang, 443003, PR China
| | - Ku Li
- The Hubei Provincial Key Laboratory of Yeast Function, Yichang, 443003, PR China
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
- Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, PR China
- Qingdao Ocean Food Nutrition and Health Innovation Research Institute, Qingdao, 266041, PR China
| | - Xiaoming Jiang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003, PR China
- Qingdao Ocean Food Nutrition and Health Innovation Research Institute, Qingdao, 266041, PR China
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23
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Geng L, Liu K, Zhang H. Lipid oxidation in foods and its implications on proteins. Front Nutr 2023; 10:1192199. [PMID: 37396138 PMCID: PMC10307983 DOI: 10.3389/fnut.2023.1192199] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/25/2023] [Indexed: 07/04/2023] Open
Abstract
Lipids in foods are sensitive to various environmental conditions. Under light or high temperatures, free radicals could be formed due to lipid oxidation, leading to the formation of unstable food system. Proteins are sensitive to free radicals, which could cause protein oxidation and aggregation. Protein aggregation significantly affects protein physicochemical characteristics and biological functions, such as digestibility, foaming characteristics, and bioavailability, further reducing the edible and storage quality of food. This review provided an overview of lipid oxidation in foods; its implications on protein oxidation; and the assessment methods of lipid oxidation, protein oxidation, and protein aggregation. Protein functions before and after aggregation in foods were compared, and a discussion for future research on lipid or protein oxidation in foods was presented.
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Affiliation(s)
- Lianxin Geng
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
| | - Kunlun Liu
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
- School of Food and Reserves Storage, Henan University of Technology, Zhengzhou, China
| | - Huiyan Zhang
- Zhengzhou Ruipu Biological Engineering Co., Ltd, Zhengzhou, China
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24
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Zhang T, Tang Y, Ge H, Zhang D, Li T, Cheng D, Liu J, Yu Y. Storage impact on egg white powder's physical and functional properties. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:3799-3811. [PMID: 36251338 DOI: 10.1002/jsfa.12274] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/22/2022] [Accepted: 10/15/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Changes in storage temperature and time alter the functional properties of egg white powder (EWP) and determine its quality and shelf-life, finally affecting the consumer acceptance of the products made from EWP. In the present study, the EWP samples were stored at four different temperatures (-20, 4, 25 and 37 °C) for 60 days, and then the protein structural, physical and functional properties of EWP were measured and assessed further for correlation with storage conditions using heatmap. RESULTS The viscosity of the EWP solution increased after 30 days. Foaming ability and rheological properties increased first and then decreased compared to untreated samples with the prolonged storage time. Correlation analysis results indicated that the gel hardness, water holding capacity, foaming ability, emulsifying ability, particle size, dispersibility and viscosity of EWP were significantly related to storage time (P < 0.05). Only the gelation properties of EWP stored at 37 °C for 60 days changed significantly and were negatively related to its moisture content (P < 0.05). Additionally, the random coil content of EWP was positively correlated with particle size, moisture content, solubility and gel properties, whereas β-sheet was negatively correlated with them. CONCLUSION Compared to other temperatures, the functional properties of EWP were relatively stable under 4 °C. Therefore, the low temperature (4 °C) was selected as the most suitable storage temperature for EWP. The results of the present study could provide a theoretical basis for the shelf-life extension of EWP. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Ting Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Yuanhu Tang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Huifang Ge
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Deju Zhang
- Food and Nutritional Science, School of Biological Science, The University of Hong Kong, Hong Kong, China
| | - Ting Li
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Dongkun Cheng
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
| | - Yiding Yu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun, China
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25
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Eazhumalai G, Kalaivendan RGT, Annapure US. Effect of atmospheric pin-to-plate cold plasma on oat protein: Structural, chemical, and foaming characteristics. Int J Biol Macromol 2023; 242:125103. [PMID: 37257535 DOI: 10.1016/j.ijbiomac.2023.125103] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 06/02/2023]
Abstract
The impact of novel pin-to-plate atmospheric cold plasma was investigated with input voltage (170 V, 230 V) and exposure time (15 & 30 min) on oat protein by studying structural (FTIR, circular dichroism (CD), UV-vis, Fluorescence), morphological (particle size analysis, SEM, turbidity), chemical (pH, redox potential (ORP), ζ potential, carbonyl, sulfhydryl, surface hydrophobicity), and foaming characteristics. The plasma treatment reduced the pH while increasing the ORP of the dispersions. These ionic environment changes affected the ζ potential and particle size leading to the formation of larger aggregates (170-15; 230-15) and distorted smaller ones (170-30; 230-30) as confirmed by SEM. The FTIR spectra showed reduced intensity at specific amide bands (1600-1700 cm-1) and also an increase in carbonyl stretching (1743 cm-1) representing oxidative carbonylation (increase in carbonyl content). Thus, the partial exposure of hydrophobic amino acids increases surface hydrophobicity. The altered secondary structure (rise in α-helix, decrement in β-sheets and turns), and tertiary structures were observed in circular dichroism (CD) and UV absorbance and fluorescence characteristics of proteins respectively. Furthermore, the increase in free sulfhydryl content and disulfide content was highly affected by the plasma treatments due to observed protein unfolding and aggregations. Besides, the increased solubility and reduced surface tension contributed to the improved foaming characteristics. Thus, plasma processing influences protein structure affecting their characteristics and other functionalities.
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Affiliation(s)
- Gunaseelan Eazhumalai
- Department of Food Engineering Technology, Institute of Chemical Technology, Mumbai 400019, India
| | | | - Uday S Annapure
- Department of Food Engineering Technology, Institute of Chemical Technology, Mumbai 400019, India; Institute of Chemical Technology, Marathwada Campus, Jalna 431213, India.
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26
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Cong H, Wu Q, Zhang Z, Kan J. Improvement of functional characteristics of Hypophthalmichthys molitrix protein by modification with chitosan oligosaccharide. Front Nutr 2023; 10:1140191. [PMID: 37305088 PMCID: PMC10250665 DOI: 10.3389/fnut.2023.1140191] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 02/20/2023] [Indexed: 06/13/2023] Open
Abstract
In the food processing field, it is very often that fish proteins are denatured affecting the nutritional value of the product which is vital to be solved. By using appropriate sugar donors for glycosylation with protein, improving the stability and emulsification properties of fish proteins can be achieved. This research looks into the impacts of enzymatic chitosan oligosaccharide (CO) at various concentration (0.15%, 0.30%, 0.45%, 0.60%, w/v) upon the molecular makeup and function of silver carp myofibrillar protein (MP) in an attempt to comprehend the impact of electrostatic binding among MP as well as CO on protein conformation. Analysis was done on the impact of various CO concentrations upon MP's secondary structure, conformational changes, and functional characteristics. Twelve sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) assays were implemented to monitor MP; Fourier transform infrared spectroscopy, endogenous fluorescence spectroscopy, and UV absorption spectra were carried out to investigate the influence of CO on MP; Particle size distribution, emulsifying activity index (EAI), solubility, turbidity, sulfhydryl content, carbonyl content, foaming capacity, surface hydrophobicity, emulsifying stability index (ESI), and foam persistence were all investigated. In addition, we used dynamic light scattering, scanning electron microscope, and atomic force microscope to analyze myosin (MO) and 0.60% CO-MO complex. The results demonstrated that CO and MP form complexes through hydrogen bonding and electrostatic interactions. CO modification not only delayed the oxidation of MP but also promoted MP to show better solubility, foaming, and foaming stability. In addition, CO modified myosin particle size decreased, reducing myosin's roughness and making myosin's structure more compact. To sum up, molecular interaction could change functional characteristics, and products with special properties could be developed after modification with chitosan oligosaccharide.
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Affiliation(s)
- Haihua Cong
- School of Food and Drug, Shanghai Zhongqiao University of Vocational Technology, Shanghai, China
| | - Qiming Wu
- Nutrilite Health Institute, Shanghai, China
| | - Zhuoran Zhang
- School of Food and Drug, Shanghai Zhongqiao University of Vocational Technology, Shanghai, China
| | - Juntao Kan
- Nutrilite Health Institute, Shanghai, China
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27
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Liu R, Li Y, Zhou C, Tan M. Pickering emulsions stabilized with a spirulina protein-chitosan complex for astaxanthin delivery. Food Funct 2023; 14:4254-4266. [PMID: 37067860 DOI: 10.1039/d3fo00092c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Astaxanthin (AXT) is a lipid-soluble carotenoid with good anti-oxidation, hepatic steatosis reduction, anti-inflammation, and intestinal microbiota regulation ability, whose poor stability and pH vulnerability limit its bioavailability. Spirulina protein (SP) derived from spirulina has good emulsifying ability with potential application in nutraceuticals, medicines, and cosmetics. In this study, Pickering emulsions were prepared using a SP-chitosan (CS) complex as an emulsifier. The particle size, zeta potential, and three-phase contact angle of the SP-CS complex with different SP to CS ratios were investigated. A mass ratio of 1 : 2.5 SP-CS complex showed a good emulsifying ability in preparing Pickering emulsion. A higher storage modulus and viscoelasticity were observed with higher SP-CS complex concentrations and oil fractions. The SP-CS Pickering emulsion significantly improved the stability of AXT in different environments. The lipid release rate and AXT bioavailability after digestion of 3 wt% SP-CS complex-stabilized Pickering emulsion reached 70.54 ± 1.59% and 36.60 ± 3.44%, respectively. The results indicated that the SP-CS complex could act as a Pickering emulsion stabilizer and had the potential to deliver protective hydrophobic AXT.
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Affiliation(s)
- Ronggang Liu
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan 1, Ganjingzi District, Dalian 116034, Liaoning, China
- State Key Laboratory of Marine Food Processing and Safety Control, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian 116034, Liaoning, China.
| | - Yu Li
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan 1, Ganjingzi District, Dalian 116034, Liaoning, China
- State Key Laboratory of Marine Food Processing and Safety Control, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian 116034, Liaoning, China.
| | - Chengfu Zhou
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan 1, Ganjingzi District, Dalian 116034, Liaoning, China
- State Key Laboratory of Marine Food Processing and Safety Control, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian 116034, Liaoning, China.
| | - Mingqian Tan
- Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Qinggongyuan 1, Ganjingzi District, Dalian 116034, Liaoning, China
- State Key Laboratory of Marine Food Processing and Safety Control, Dalian 116034, Liaoning, China
- National Engineering Research Center of Seafood, Dalian 116034, Liaoning, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian 116034, Liaoning, China.
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28
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Jiang L, Song J, Qi M, Suo W, Deng Y, Liu Y, Li L, Zhang D, Wang C, Li H. Modification mechanism of protein in rice adjuncts upon extrusion and its effects on nitrogen conversion during mashing. Food Chem 2023; 407:135150. [PMID: 36493491 DOI: 10.1016/j.foodchem.2022.135150] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 11/27/2022] [Accepted: 12/01/2022] [Indexed: 12/05/2022]
Abstract
The traditional production of wort with adjunct-introduced was achieved by double mashing procedure, which hindered the utilization of proteins in adjunct and led to a deficiency of nitrogen in wort. In this study, the modification mechanism of the extrusion pretreatment on the structure characterization of rice flour protein was investigated. The decoction mashing procedure was performed to enhance the nitrogen conversion of the extruded rice adjunct. Decreased solubility along with disrupted secondary and tertiary structures of rice protein were observed after extrusion. As a result, the total nitrogen, free amino nitrogen, and free amino acids content of wort with extruded rice adjunct-introduced were improved by 23.28 %, 34.67 %, and 7.33 %, respectively, which could be verified by the electrophoretic patterns of the wort protein. The application of extrusion as a pretreatment of adjuncts can promote the protein availability of adjuncts in the decoction mashing stage.
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Affiliation(s)
- Lijun Jiang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Jialin Song
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Mingming Qi
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Wenjing Suo
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Yuxin Deng
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Yao Liu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Luxia Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Dongliang Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Chenjie Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China
| | - Hongjun Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, Shandong, China.
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29
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Hadidi M, Orellana Palacios JC, McClements DJ, Mahfouzi M, Moreno A. Alfalfa as a sustainable source of plant-based food proteins. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2023.03.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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30
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Wang Q, Gu C, Wei R, Luan Y, Liu R, Ge Q, Yu H, Wu M. Enhanced gelling properties of myofibrillar protein by ultrasound-assisted thermal-induced gelation process: Give an insight into the mechanism. ULTRASONICS SONOCHEMISTRY 2023; 94:106349. [PMID: 36870098 PMCID: PMC9996090 DOI: 10.1016/j.ultsonch.2023.106349] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Effects of the incorporation of ultrasound with varied intensities (0-800 W) into the thermal-induced gelation process on the gelling properties of myofibrillar protein (MP) were explored. In comparison with single heating, ultrasound-assisted heating (<600 W) led to significant increases in gel strength (up to 17.9%) and water holding capacity (up to 32.7%). Moreover, moderate ultrasound treatment was conducive to the fabrication of compact and homogenous gel networks with small pores, which could effectively impair the fluidity of water and allow redundant water to be entrapped within the gel network. Electrophoresis revealed that the incorporation of ultrasound into the gelation process facilitated more proteins to get involved in the development of gel network. With the intensified ultrasound power, α-helix in the gels lowered pronouncedly with a simultaneous increment of β-sheet, β-turn, and random coil. Furthermore, hydrophobic interactions and disulfide bonds were reinforced by the ultrasound treatment, which was in support of the construction of preeminent MP gels.
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Affiliation(s)
- Qingling Wang
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Chen Gu
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Ranran Wei
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Yi Luan
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Rui Liu
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Qingfeng Ge
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Hai Yu
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Mangang Wu
- College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China.
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31
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Xin X, Zhang G, Xue H, Qiu W, Hu H, Tu Y, Zhao Y. Effects of ethanol treatment on the physicochemical properties, microstructure and protein structures of egg yolk gels. Food Chem 2023; 405:135041. [DOI: 10.1016/j.foodchem.2022.135041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 11/05/2022] [Accepted: 11/20/2022] [Indexed: 11/26/2022]
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32
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Ke C, Li L. Influence mechanism of polysaccharides induced Maillard reaction on plant proteins structure and functional properties: A review. Carbohydr Polym 2023; 302:120430. [PMID: 36604091 DOI: 10.1016/j.carbpol.2022.120430] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/18/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
Plant proteins have high nutritional value, a wide range of sources and low cost. However, it is easily affected by the environmental factors of processing and lead the problem of poor functionality. These problems of plant proteins can be improved by the polysaccharides induced Maillard reaction. The interaction between proteins and polysaccharides through Maillard reaction can change the structure of proteins as well as improve the functional properties and biological activity. The products of Maillard reaction, such as reductone intermediates, heterocyclic compounds and melanoidins have certain antioxidant, antibacterial and other biological activities. However, heterocyclic amines, acrylamide, and products generated in the advanced stage of the Maillard reaction also have a negative impact, which may increase cytotoxicity and be associated with chronic diseases. Therefore, it is necessary to effectively control the process of Maillard reaction. This review focuses on the modification of plant proteins by polysaccharide-induced Maillard reaction and the effects of Maillard reaction on protein structure, functional properties and biological activity. It also points out how to accurately reflect the changes of protein structure in Maillard reaction. In addition, it also points out the application ways of plant protein-polysaccharide complexes in the food industry, for example, emulsifiers, delivery carriers of functional substances, and natural antioxidants due to their improved solubility, emulsifying, gelling and antioxidant properties. This review provides theoretical support for controlling Maillard reaction based on protein structure.
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Affiliation(s)
- Chuxin Ke
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China
| | - Liang Li
- College of Food Science, Northeast Agricultural University, Harbin, 150030, China.
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33
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Fu Y, Li Y, Weng S, Qi W, Su H, Li T. Amyloid protein fibrils show enhanced ice recrystallization inhibition activity when serve as pickering emulsion stabilizer. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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34
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Akharume F, Adedeji A. Molecular dynamic (in silico) modeling of structure-function of glutelin type-B 5-like from proso millet storage protein: effects of temperature and pressure. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:114-122. [PMID: 36618049 PMCID: PMC9813304 DOI: 10.1007/s13197-022-05594-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/08/2022] [Accepted: 09/03/2022] [Indexed: 01/11/2023]
Abstract
Molecular dynamic (MD) simulation provides an insight into the behavior of a protein under applied processing at the molecular level. The behavior of glutelin type-B 5-like protein, a type of glutelin protein from proso millet was studied, in solution under different temperatures (300, 350, and 400 K) and pressure (1 bar, 3 kbar, and 6 kbar) levels using a molecular dynamics simulation approach. The combined treatment effect (400 K, 6 kbar) increased the compaction of the protein compared to the level at (300 K, 1 bar) as shown by the decreased radius of gyration values from 3.26 to 2.92 nm, decreased solvent accessibility surface area from 327.47 to 311.06 nm2 and decreased volume from 108.35 to 105.04 nm3. The root means square deviation increased with increasing temperature but decreased with increasing pressure while the root means square fluctuations increased significantly with increased in temperature and pressure. A snapshot of the three-dimensional structure of the protein revealed compression of its occluded cavities at higher pressure levels but no obvious disruption to the secondary structure elements of the protein was observed, except for the loss of a few amino acid residues that comprise the secondary structure element. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-022-05594-y.
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Affiliation(s)
- Felix Akharume
- Department of Biosystems and Agricultural Engineering, University of Kentucky, 128 Charles E. Barnhart Building, Lexington, KY 40506 USA
| | - Akinbode Adedeji
- Department of Biosystems and Agricultural Engineering, University of Kentucky, 128 Charles E. Barnhart Building, Lexington, KY 40506 USA
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35
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Hamdy O, Abdel-Salam Z, Abdel-Harith M. Utilization of laser-induced breakdown spectroscopy, with principal component analysis and artificial neural networks in revealing adulteration of similarly looking fish fillets. APPLIED OPTICS 2022; 61:10260-10266. [PMID: 36606791 DOI: 10.1364/ao.470835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 10/18/2022] [Indexed: 06/17/2023]
Abstract
Fish is an essential source of many nutrients necessary for human health. However, the deliberate mislabeling of similar fish fillet types is common in markets to make use of the relatively high price difference. This is a type of explicit food adulteration. In the present work, spectrochemical analysis and chemometric methods are adopted to disclose this type of fish species cheating. Laser-induced breakdown spectroscopy (LIBS) was utilized to differentiate between the fillets of the low-priced tilapia and the expensive Nile perch. Furthermore, the acquired spectroscopic data were analyzed statistically using principal component analysis (PCA) and artificial neural network (ANN) showing good discrimination in the PCA score plot and a 99% classification accuracy rate of the implemented ANN model. The recorded spectra of the two fish indicated that tilapia has a higher fat content than Nile perch, as evidenced by higher CN and C2 bands and an atomic line at 247.8 nm in its spectrum. The obtained results demonstrated the potential of using LIBS as a simple, fast, and cost-effective analytical technique, combined with statistical analysis for the decisive discrimination between fish fillet species.
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36
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Ali A, Wei S, Ali A, Khan I, Sun Q, Xia Q, Wang Z, Han Z, Liu Y, Liu S. Research Progress on Nutritional Value, Preservation and Processing of Fish-A Review. Foods 2022; 11:3669. [PMID: 36429260 PMCID: PMC9689683 DOI: 10.3390/foods11223669] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/09/2022] [Accepted: 11/13/2022] [Indexed: 11/18/2022] Open
Abstract
The global population has rapidly expanded in the last few decades and is continuing to increase at a rapid pace. To meet this growing food demand fish is considered a balanced food source due to their high nutritious value and low cost. Fish are rich in well-balanced nutrients, a good source of polyunsaturated fatty acids and impose various health benefits. Furthermore, the most commonly used preservation technologies including cooling, freezing, super-chilling and chemical preservatives are discussed, which could prolong the shelf life. Non-thermal technologies such as pulsed electric field (PEF), fluorescence spectroscopy, hyperspectral imaging technique (HSI) and high-pressure processing (HPP) are used over thermal techniques in marine food industries for processing of most economical fish products in such a way as to meet consumer demands with minimal quality damage. Many by-products are produced as a result of processing techniques, which have caused serious environmental pollution. Therefore, highly advanced technologies to utilize these by-products for high-value-added product preparation for various applications are required. This review provides updated information on the nutritional value of fish, focusing on their preservation technologies to inhibit spoilage, improve shelf life, retard microbial and oxidative degradation while extending the new applications of non-thermal technologies, as well as reconsidering the values of by-products to obtain bioactive compounds that can be used as functional ingredients in pharmaceutical, cosmetics and food processing industries.
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Affiliation(s)
- Ahtisham Ali
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Shuai Wei
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Adnan Ali
- Livestock & Dairy Development Department, Abbottabad 22080, Pakistan
| | - Imran Khan
- Department of Food Science and Technology, The University of Haripur, Haripur 22620, Pakistan
| | - Qinxiu Sun
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Qiuyu Xia
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Zefu Wang
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Zongyuan Han
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Yang Liu
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
| | - Shucheng Liu
- College of Food Science and Technology, Guangdong Ocean University, Guangdong Provincial Key Laboratory of Aquatic Products Processing and Safety, Guangdong Province Engineering Laboratory for Marine Biological Products, Key Laboratory of Advanced Processing of Aquatic Product of Guangdong Higher Education Institute, Guangdong Provincial Engineering Technology Research Centre of Seafood, Zhanjiang 524088, China
- Collaborative Innovation Centre of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
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Wang W, Yang P, Rao L, Zhao L, Wu X, Wang Y, Liao X. Effect of high hydrostatic pressure processing on the structure, functionality, and nutritional properties of food proteins: A review. Compr Rev Food Sci Food Saf 2022; 21:4640-4682. [PMID: 36124402 DOI: 10.1111/1541-4337.13033] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 07/19/2022] [Accepted: 08/05/2022] [Indexed: 01/28/2023]
Abstract
Proteins are important food ingredients that possess both functional and nutritional properties. High hydrostatic pressure (HHP) is an emerging nonthermal food processing technology that has been subject to great advancements in the last two decades. It is well established that pressure can induce changes in protein folding and oligomerization, and consequently, HHP has the potential to modify the desired protein properties. In this review article, the research progress over the last 15 years regarding the effect of HHP on protein structures, as well as the applications of HHP in modifying protein functionalities (i.e., solubility, water/oil holding capacity, emulsification, foaming and gelation) and nutritional properties (i.e., digestibility and bioactivity) are systematically discussed. Protein unfolding generally occurs during HHP treatment, which can result in increased conformational flexibility and the exposure of interior residues. Through the optimization of HHP and environmental conditions, a balance in protein hydrophobicity and hydrophilicity may be obtained, and therefore, the desired protein functionality can be improved. Moreover, after HHP treatment, there might be greater accessibility of the interior residues to digestive enzymes or the altered conformation of specific active sites, which may lead to modified nutritional properties. However, the practical applications of HHP in developing functional protein ingredients are underutilized and require more research concerning the impact of other food components or additives during HHP treatment. Furthermore, possible negative impacts on nutritional properties of proteins and other compounds must be also considered.
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Affiliation(s)
- Wenxin Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Peiqing Yang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Lei Rao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Key laboratory for Food Non-Thermal Processing, Beijing, China
| | - Liang Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,National Engineering Research Center for Fruit & Vegetable Processing, Beijing, China.,Key Laboratory of Fruit & Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xiaomeng Wu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Key laboratory for Food Non-Thermal Processing, Beijing, China
| | - Yongtao Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,National Engineering Research Center for Fruit & Vegetable Processing, Beijing, China.,Key Laboratory of Fruit & Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Xiaojun Liao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Key laboratory for Food Non-Thermal Processing, Beijing, China.,National Engineering Research Center for Fruit & Vegetable Processing, Beijing, China.,Key Laboratory of Fruit & Vegetable Processing, Ministry of Agriculture and Rural Affairs, Beijing, China
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38
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Fu M, Mi S, Zhao J, Wang X, Gao J, Sang Y. The interaction mechanism, conformational changes and computational simulation of the interaction between surface layer protein and mannan at different pH levels. Food Chem 2022; 405:135021. [DOI: 10.1016/j.foodchem.2022.135021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022]
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Effects of High-Intensity Ultrasound Treatments on the Physicochemical and Structural Characteristics of Sodium Caseinate (SC) and the Stability of SC-Coated Oil-in-Water (O/W) Emulsions. Foods 2022; 11:foods11182817. [PMID: 36140961 PMCID: PMC9498016 DOI: 10.3390/foods11182817] [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: 08/30/2022] [Revised: 09/07/2022] [Accepted: 09/07/2022] [Indexed: 11/17/2022] Open
Abstract
The effects of high-intensity ultrasound treatment (0, 3, 6, 9 min) on physicochemical and structural characteristics of SC and the storage, thermal and freeze–thaw stability of SC O/W emulsions were investigated. The results showed that ultrasound treatment reduced the particle size of SC, although there were no obvious changes in zeta potential, profiles and weights. Ultrasound treatment improved surface hydrophobicity and fluorescence intensity of SC and changed ultraviolet–visible (UV–Vis) spectroscopy but had no influence on the secondary structure of SC. This indicates that ultrasounds might destroy the tertiary structure but leave most of the integral secondary structure. A scanning electron microscope (SEM) also showed that ultrasound-treated SC presented small aggregates and a loose structure. The physicochemical and structural changes of SC benefited the ability of protein adsorbing oil droplets and emulsion stability. Under stresses such as storage, thermal and freeze–thawing, the oil droplets of treated emulsions were still uniform and stable, especially at 6 min and 9 min. Overall, the high-intensity ultrasounds made the SC present small aggregates and a loose structure improving the SC O/W emulsions stability under storage, thermal and freeze–thawing environment and have great potential to stabilize the SC prepared O/W emulsions.
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40
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An overview on different detection methods of saffron (Crocus sativus L.) adulterants. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01586-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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41
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Manzoor MF, Hussain A, Naumovski N, Ranjha MMAN, Ahmad N, Karrar E, Xu B, Ibrahim SA. A Narrative Review of Recent Advances in Rapid Assessment of Anthocyanins in Agricultural and Food Products. Front Nutr 2022; 9:901342. [PMID: 35928834 PMCID: PMC9343702 DOI: 10.3389/fnut.2022.901342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/31/2022] [Indexed: 01/10/2023] Open
Abstract
Anthocyanins (ACNs) are plant polyphenols that have received increased attention recently mainly due to their potential health benefits and applications as functional food ingredients. This has also created an interest in the development and validation of several non-destructive techniques of ACN assessments in several food samples. Non-destructive and conventional techniques play an important role in the assessment of ACNs in agricultural and food products. Although conventional methods appear to be more accurate and specific in their analysis, they are also associated with higher costs, the destruction of samples, time-consuming, and require specialized laboratory equipment. In this review article, we present the latest findings relating to the use of several spectroscopic techniques (fluorescence, Raman, Nuclear magnetic resonance spectroscopy, Fourier-transform infrared spectroscopy, and near-infrared spectroscopy), hyperspectral imaging, chemometric-based machine learning, and artificial intelligence applications for assessing the ACN content in agricultural and food products. Furthermore, we also propose technical and future advancements of the established techniques with the need for further developments and technique amalgamations.
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Affiliation(s)
| | - Abid Hussain
- Department of Agriculture and Food Technology, Faculty of Life Science, Karakoram International University, Gilgit-Baltistan, Pakistan
| | - Nenad Naumovski
- School of Rehabilitation and Exercise Science, Faculty of Health, University of Canberra, Canberra, ACT, Australia
- Functional Foods and Nutrition Research (FFNR) Laboratory, University of Canberra, Bruce, ACT, Australia
| | | | - Nazir Ahmad
- Department of Nutritional Sciences, Faculty of Medical Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Emad Karrar
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Bin Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- *Correspondence: Bin Xu
| | - Salam A. Ibrahim
- Food Microbiology and Biotechnology Laboratory, North Carolina Agricultural and Technical State University, Greensboro, NC, United States
- Salam A. Ibrahim
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Boachie RT, Okagu OD, Abioye R, Hüttmann N, Oliviero T, Capuano E, Fogliano V, Udenigwe CC. Lentil Protein and Tannic Acid Interaction Limits in Vitro Peptic Hydrolysis and Alters Peptidomic Profiles of the Proteins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6519-6529. [PMID: 35593881 DOI: 10.1021/acs.jafc.2c00197] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this study, the nature of lentil protein-tannic acid (LPTA) interaction and its effect on in vitro pepsin digestion were investigated. LPTA mixtures containing 1% w/v LP and 0.001-0.5% TA were prepared and characterized in terms of particle size, thermal properties, and secondary and tertiary structures. A 20-fold increase in particle size was observed in LPTA0.5% compared to LP control (without TA), indicating aggregation. Static quenching of tryptophan residues within the protein hydrophobic folds was observed. Increasing TA levels also enhanced protein thermal stability. Over 50% reduction in free amino groups of LPTA 0.5%, relative to LP, was observed after pepsin digestion. Cleavage specificity of pepsin and peptidomic profile of LP were modified by the presence of TA in LPTA 0.5%. This study showed that 0.5% w/v TA induced protein aggregation and reduced LP digestibility by hindering the accessibility of pepsin to the protein network, thus modifying the profile of released peptides.
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Affiliation(s)
- Ruth T Boachie
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Ogadimma D Okagu
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Raliat Abioye
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Nico Hüttmann
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Teresa Oliviero
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Edoardo Capuano
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Vincenzo Fogliano
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Chibuike C Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
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43
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Cong H, Lyu H, Liang W, Zhang Z, Chen X. Changes in Myosin from Silver Carp (Hypophthalmichthys molitrix) under Microwave-Assisted Water Bath Heating on a Multiscale. Foods 2022; 11:foods11081071. [PMID: 35454658 PMCID: PMC9030768 DOI: 10.3390/foods11081071] [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: 02/22/2022] [Revised: 03/27/2022] [Accepted: 03/30/2022] [Indexed: 01/23/2023] Open
Abstract
To further prove the advantages of microwave-assisted water bath heating (MWH) in low-value fish processing, the effects of different heating methods (two heating stage method, high temperature section respectively using MWH1, MWH2, MWH3, WH—water heating, MH—microwave heating) on secondary and tertiary myosin structures, SDS-PAGE, surface morphology, scanning electron microscopy (SEM), and particle size distribution were compared and analyzed. The findings revealed that MH and MWH aided in the production of gel formations by promoting myosin aggregation. Myosin from silver carps demonstrated enhanced sulfhydryl group and surface hydrophobicity after MWH treatment, as well as a dense network structure. The distribution of micropores becomes more uniform when the microwave time is increased. Actually, the total effect of microwave time on myosin is not substantially different. The correlation between particle size distribution and protein aggregation was also studied, in terms of time savings, the MWH of short microwave action is preferable since it not only promotes myosin aggregation but also avoids the drawbacks of a rapid warming rate. These discoveries give a theoretical foundation for understanding silver carp myosin under microwave modification, which is critical in the food industry.
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Affiliation(s)
- Haihua Cong
- Key Laboratory of Aquatic Product Processing and Utilization of Liaoning Province, College of Food Science and Engineering, Dalian Ocean University, Dalian 116023, China; (W.L.); (Z.Z.)
- Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116034, China
- Correspondence: (H.C.); (X.C.); Tel.: +86-(0)411-8476-2528 (H.C.); +86-(0)512-6588-2767 (X.C.)
| | - He Lyu
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand;
| | - Wenwen Liang
- Key Laboratory of Aquatic Product Processing and Utilization of Liaoning Province, College of Food Science and Engineering, Dalian Ocean University, Dalian 116023, China; (W.L.); (Z.Z.)
- Huilly Pharmaceuticals Ltd., Suzhou 215000, China
| | - Ziwei Zhang
- Key Laboratory of Aquatic Product Processing and Utilization of Liaoning Province, College of Food Science and Engineering, Dalian Ocean University, Dalian 116023, China; (W.L.); (Z.Z.)
- Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Xiaodong Chen
- School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou 215123, China
- Correspondence: (H.C.); (X.C.); Tel.: +86-(0)411-8476-2528 (H.C.); +86-(0)512-6588-2767 (X.C.)
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Adeleke VT, Madlala NE, Adeniyi AA, Lokhat D. Molecular Interactions Associated with Coagulation of Organic Pollutants by 2S Albumin of Plant Proteins: A Computational Approach. Molecules 2022; 27:1685. [PMID: 35268786 PMCID: PMC8912086 DOI: 10.3390/molecules27051685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 12/04/2022] Open
Abstract
The removal of organic pollutants is a major challenge in wastewater treatment technologies. Coagulation by plant proteins is a promising technique for this purpose. The use of these proteins has been experimentally investigated and reported in the literature. However, the determination of the molecular interactions of these species is experimentally challenging and the computational approach offers a suitable alternative in gathering useful information for this system. The present study used a molecular dynamic simulation approach to predict the potentials of using Moringa oleifera (MO), Arachis hypogaea, Bertholletia excelsa, Brassica napus, and Helianthus annuus plant proteins for the coagulation of organic pollutants and the possible mechanisms of coagulation of these proteins. The results showed that the physicochemical and structural properties of the proteins are linked to their performance. Maximum coagulation of organic molecules to the proteins is between 50-100%. Among five proteins studied for coagulation, Brassica napus and Helianthus annuus performed better than the well-known MO protein. The amino acid residues interacting with the organic molecules play a significant role in the coagulation and this is peculiar with each plant protein. Hydrogen bond and π-interactions dominate throughout the protein-pollutants molecular interactions. The reusability of the proteins after coagulation derived from their structural quality analysis along with the complexes looks promising and most of them are better than that of the MO. The results showed that the seed proteins studied have good prediction potentials to be used for the coagulation of organic pollutants from the environment, as well as the insights into their molecular activities for bioremediation.
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Affiliation(s)
- Victoria T. Adeleke
- Discipline of Chemical Engineering, University of KwaZulu-Natal, Howard Campus, Durban 4041, South Africa; (N.E.M.); (D.L.)
| | - Nkosinathi E. Madlala
- Discipline of Chemical Engineering, University of KwaZulu-Natal, Howard Campus, Durban 4041, South Africa; (N.E.M.); (D.L.)
| | - Adebayo A. Adeniyi
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein 9301, South Africa;
- Department of Industrial Chemistry, Federal University, Oye Ekiti 370111, Nigeria
| | - David Lokhat
- Discipline of Chemical Engineering, University of KwaZulu-Natal, Howard Campus, Durban 4041, South Africa; (N.E.M.); (D.L.)
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Rojas-Candelas LE, Chanona-Pérez JJ, Méndez JVM, Morales-Hernández JA, Benavides HAC. Characterization of Structural Changes of Casein Micelles at Different PH Using Microscopy and Spectroscopy Techniques. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2022; 28:1-10. [PMID: 35156608 DOI: 10.1017/s1431927622000162] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This study aimed to evaluate the influence of pH changes on morphometric parameters of casein micelles and a general overview of their conformational structure through microscopy techniques, Raman spectroscopy and multivariate analysis. It was found that casein micelles morphology and protein secondary structure depend strongly upon pH. The changes of arithmetic average roughness (Ra), size, and shape of casein micelles at different pH are properly characterized by atomic force and cryo-transmission electron microscopy. Morphometric changes of casein micelles were correlated correctly with folding and unfolding of casein molecules as evaluated by Raman spectroscopy when the pH was varied. The novelty of this contribution consists in demonstrating that there is a close structure-functionality relationship between the morphometric parameters of proteins and their secondary structure. Knowledge about casein micelles can help improve their use of its diverse applications.
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Affiliation(s)
- Liliana Edith Rojas-Candelas
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu Esq, Cda, Miguel Stampa s/n, C.P. 07738Mexico City, Mexico
| | - José Jorge Chanona-Pérez
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu Esq, Cda, Miguel Stampa s/n, C.P. 07738Mexico City, Mexico
| | - Juan Vicente Méndez Méndez
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu Esq, Cda, Miguel Stampa s/n, C.P. 07738Mexico City, Mexico
- Centro de Nanociencias y Micro y Nanotecnologías, Instituto Politécnico Nacional, Luis Enrique Erro s/n, Zacatenco, Gustavo A. Madero, C.P. 07738Mexico City, Mexico
| | - José Antonio Morales-Hernández
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), A. C. Av Normalistas #800, Guadalajara, Jalisco, México
| | - Héctor Alfredo Calderón Benavides
- Instituto Politécnico Nacional. Escuela Superior de Física y Matemáticas, Av. Instituto Politécnico Nacional Edificio 9, U. Profesional Adolfo Lopez Mateos, Gustavo A. Madero, C.P. 07738Mexico City, Mexico
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46
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Leite Milião G, Souza Soares LD, Balbino DF, Almeida Alves Barbosa ÉD, Bressan GC, Carvalho Teixeira AVND, dos Reis Coimbra JS, Oliveira EBD. pH influence on the mechanisms of interaction between chitosan and ovalbumin: a multi-spectroscopic approach. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107137] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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47
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Effects of Microwaves, Ultrasonication, and Thermosonication on the Secondary Structure and Digestibility of Bovine Milk Protein. Foods 2022; 11:foods11020138. [PMID: 35053870 PMCID: PMC8774360 DOI: 10.3390/foods11020138] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 01/27/2023] Open
Abstract
Cow’s milk is considered an excellent protein source. However, the digestibility of milk proteins needs to be improved. This study aimed to evaluate the relationship between the functional properties of milk proteins and their structure upon microwave, ultrasound, and thermosonication treatments. The protein content, digestibility, and secondary-structure changes of milk proteins were determined. The results demonstrated that almost 35% of the proteins in the untreated samples had a α-helix structure and approximately 29% a β-sheet and turns structure. Regarding the untreated samples, the three treatments increased the α-helices and correspondingly decreased the β-sheets and turns. Moreover, the highest milk protein digestibility was observed for the ultrasound-treated samples (90.20–94.41%), followed by the microwave-treated samples (72.56–93.4%), whereas thermosonication resulted in a lower digestibility (68.76–78.81%). The milk protein content was reduced as the microwave processing time and the temperature increased. The final milk protein available in the sample was lower when microwave processing was conducted at 75 °C and 90 °C compared to 60 °C, whereas the ultrasound treatment significantly improved the protein content, and no particular trend was observed for the thermosonicated samples. Thus, ultrasound processing shows a potential application in improving the protein quality of cow’s milk.
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Chen Q, Xie Y, Yu H, Guo Y, Cheng Y, Yao W. Application of Raman spectroscopy in a correlation study between protein oxidation/denaturation and conformational changes in beef after repeated freeze–thaw. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Qingmin Chen
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
- College of Ocean Food and Biological Engineering Jimei University Xiamen 361021 China
| | - Yunfei Xie
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
| | - Hang Yu
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
| | - Yahui Guo
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
| | - Yuliang Cheng
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
| | - Weirong Yao
- School of Food Science and Technology Jiangnan University No. 1800 Lihu Avenue Wuxi 214122 China
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The Effect of Salt on the Gelling Properties and Protein Phosphorylation of Surimi-Crabmeat Mixed Gels. Gels 2021; 8:gels8010010. [PMID: 35049545 PMCID: PMC8774505 DOI: 10.3390/gels8010010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/20/2021] [Accepted: 12/20/2021] [Indexed: 11/17/2022] Open
Abstract
The effects of different salt additions (1.0%, 1.5%, 2.0%, 2.5%, 3.0%, and 3.5%) on the gelling properties and protein phosphorylation of the mixed gels (MG) formed by silver carp (Hypophthalmichthys molitrix) surimi with 10% crabmeat were investigated. The MG's breaking force, deformation, gel strength, and water-holding capacity (WHC) increased as the salt concentration increased. The intrinsic fluorescence intensity of the samples initially decreased and then increased, reaching the lowest when the NaCl concentration was 2.5%. The result of SDS-polyacrylamide gel electrophoresis indicated that large aggregates were formed by protein-protein interaction in the MG containing 2.5% or 3.0% NaCl, decreasing the protein band intensity. It was also found that with the addition of NaCl, the phosphorus content initially increased and then decreased, reaching the maximum when the NaCl concentration was 2% or 2.5%, which was similar to the changing trend of actin band intensity reported in the results of Western blot. These results revealed that the amount of salt used had a significant effect on the degree of phosphorylation of the MG protein. The increase in phosphorylation was linked to improved gelling properties, which could lead to new ideas for manufacturing low-salt surimi products in the future.
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Zhang Y, Sharan S, Rinnan Å, Orlien V. Survey on Methods for Investigating Protein Functionality and Related Molecular Characteristics. Foods 2021; 10:2848. [PMID: 34829128 PMCID: PMC8621404 DOI: 10.3390/foods10112848] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/12/2021] [Accepted: 11/14/2021] [Indexed: 01/13/2023] Open
Abstract
Proteins from various sources are widely used in the food industry due to their unique functional performances in food products. The functional properties of proteins are somehow dictated by their molecular characteristics, but the exact relationship is not fully understood. This review gives a tangible overview of the methods currently available for determining protein functionality and related molecular characteristics in order to support further research on protein ingredients. The measurements of protein functionality include solubility, water holding capacity, oil holding capacity, emulsion property, foam property, and gelation. This review also provides a description of different methods of molecular characteristics including electrophoresis, surface hydrophobicity and charge, molecular interaction, and thermal property measurement. Additionally, we have put significant emphasis on spectroscopic methods (ultraviolet-visible, Fourier transform infrared, Raman, circular dichroism, fluorescence and nuclear magnetic resonance). In conclusion, first and foremost, there is a need to agree on a standardization of the analytical methods for assessing functional properties. Moreover, it is mandatory to couple different analyses of molecular characteristics to measure and monitor the structural changes obtained by different processing methods in order to gain knowledge about the relationship with functionality. Ideally, a toolbox of protein analytical methods to measure molecular characteristics and functionality should be established to be used in a strategic design of protein ingredients.
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Affiliation(s)
- Yuqi Zhang
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark or (Y.Z.); (Å.R.)
| | - Siddharth Sharan
- Paris-Saclay Food and Bioproduct Engineering Research Unit (UMR SayFood), Université Paris-Saclay, INRAE, AgroParisTech, 91300 Massy, France;
| | - Åsmund Rinnan
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark or (Y.Z.); (Å.R.)
| | - Vibeke Orlien
- Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark or (Y.Z.); (Å.R.)
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