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Hu J, Zhu L, Yin X, Chen X, Zhang H, Zhang Y. Effects of protein morphological structures on the cereal processing, sensorial property and starch digestion: a review. Crit Rev Food Sci Nutr 2024:1-15. [PMID: 38950560 DOI: 10.1080/10408398.2024.2365354] [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: 07/03/2024]
Abstract
In cereals, the protein body and protein matrix are usually two morphological protein structures. However, processing treatments can affect protein structures, change protein bodies into the matrix, or induce a change in the matrix structure; therefore, the processing-induced matrix was listed as the third morphological structure of the protein. Previous research on the effect of proteins was mainly based on protein content and composition, but these studies arrived at different conclusions. Studying the effect of protein morphological structures on sensorial property and starch digestion can provide a theoretical basis for selecting cultivars with high sensorial property and help produce low-glycemic index foods for people with diabetes, controlling their postprandial blood sugar. This study aimed to review the distribution and structure of protein bodies, protein matrices, and processing-induced matrices, as well as their influence on cereal sensorial property and starch digestion. Therefore, we determined the protein morphological structures in different cereal cultivars and summarized its impact. Protein bodies mainly have steric stabilization effects on starch gelatinization, whereas the protein matrix serves as a physical barrier surrounding the starch to inhibit water absorption and α-amylase. Processing can change protein morphological structures, enabling protein bodies to act as a physical matrix barrier.
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Affiliation(s)
- Jiali Hu
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ling Zhu
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Xianting Yin
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Xiaoyu Chen
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Hui Zhang
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Yayuan Zhang
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
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2
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Huang D, Wang L, Li K, Liu L, Chen X, He L, Wang L, Song A. Alkali-assisted extraction, characterization and encapsulation functionality of enzymatic hydrolysis-resistant prolamin from distilled spirit spent grain. Int J Biol Macromol 2024; 271:132664. [PMID: 38801853 DOI: 10.1016/j.ijbiomac.2024.132664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 05/03/2024] [Accepted: 05/23/2024] [Indexed: 05/29/2024]
Abstract
Curcumin is a natural lipophilic polyphenol that exhibits significant various biological properties such as antioxidant and anti-inflammatory properties following oral administration. However, its uses have shown limitations concerning aqueous solubility, bioavailability and biodegradability that could be improved by prolamin-based nanoparticle. In this study, curcumin was encapsulated into prolamin from sorghum (SOP) and wheat (WHP) and distilled spirit spent grain (DSSGP), which was obtained after microbial proteolysis of the former two cereal grains. All the three prolamins showed clear variation of protein profiles and microstructure as confirmed by electrophoresis analysis, disulfide bond determination and Fourier-transform infrared spectroscopy (FTIR). For curcumin-loaded nanospheres (NPs) fabrication, three prolamin-based NPs shared features of spherical shape, uniform particle size, and smooth surface. The average size ranged from 122 to 193 nm depending on the prolamin variety and curcumin loading. In the experiments in vitro, curcumin showed significantly improved UV/thermal stability. Furthermore, DSSGP was more resistant to enzymatic digestion in vitro, hence achieving the controlled release of curcumin in gastrointestinal tract. Collectively, the results indicated the improved bioavailability and biodegradability of curcumin encapsulated by DSSGP, which would be an innovative potential encapsulant for effective protection and targeted delivery of hydrophobic compounds.
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Affiliation(s)
- Diandian Huang
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China
| | - Lingyuan Wang
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China
| | - Keting Li
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68503, USA
| | - Lingyi Liu
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68503, USA
| | - Xingyi Chen
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China
| | - Laping He
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China
| | - Lei Wang
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China; Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68503, USA.
| | - Angxin Song
- School of Liquor and Food Engineering, Guizhou University, Guiyang 550025, China; Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou Province, China
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3
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Igartúa DE, Dichano MC, Ferrari SB, Palazolo GG, Cabezas DM. Combination of pH-shifting, ultrasound, and heat treatments to enhance solubility and emulsifying stability of rice protein isolate. Food Chem 2024; 433:137319. [PMID: 37683482 DOI: 10.1016/j.foodchem.2023.137319] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/15/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023]
Abstract
Rice protein isolates (RPI) are promising plant-protein sources but present low solubility and poor surface activity in neutral conditions. Improving these characteristics is a crucial challenge to capitalize on them. This is the first work performing pH-shifting, ultrasound, and heat treatments on a commercial RPI. The combined approaches increased the protein solubility (from ∼2.7% to ∼91.8%) and surface hydrophobicity (up to ∼283%) and induced the formation of less compact and more dispersed protein aggregates. The pH-shifting induced the unfolding of protein molecules and aggregates making them available for modification by both ultrasound and heating, which are supposed to induce further protein unfolding, exposure of buried hydrophobic amino acid, and protein hydrolysis. Also, the combined approaches generated modified RPI able to form oil-in-water emulsions with reduced particle size and enhanced stability than the untreated RPI. Therefore, this work presents an effective combined approach to enhance the techno-functional properties of rice proteins.
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Affiliation(s)
- Daniela E Igartúa
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina
| | - M Celeste Dichano
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina
| | - Sofia B Ferrari
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina
| | - Gonzalo G Palazolo
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina
| | - Dario M Cabezas
- Universidad Nacional de Quilmes, Departamento de Ciencia y Tecnología, Laboratorio de Investigación en Funcionalidad y Tecnología de Alimentos (LIFTA), Roque Sáenz Peña 352, B1876BXD Bernal, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, C1425FQB Ciudad Autónoma de Buenos Aires, Argentina.
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Balogh-Hartmann F, Páger C, Bufa A, Madarászné Horváth I, Verzár Z, Marosvölgyi T, Makszin L. Microfluidic Analysis for the Determination of Protein Content in Different Types of Plant-Based Drinks. Molecules 2023; 28:6684. [PMID: 37764460 PMCID: PMC10535950 DOI: 10.3390/molecules28186684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
The widespread consumption of plant-based drinks, driven by health and dietary reasons (including cow's milk allergy, lactose intolerance, milk protein intolerance, following a vegetarian or vegan diet) necessitates automated and accurate test methods. Our study demonstrates the simultaneous determination of protein components and total protein concentrations in plant-based milk alternatives using a rapid and reproducible microchip gel electrophoretic method. As expected, the electrophoretic profiles of each plant-based drink differed. Based on our analyses and statistical evaluation, it can be determined that the protein profiles of different plant-based beverages do not differ significantly between different manufacturers or different expiry dates. The measured total protein content was compared with the nominal values, i.e., the values stated on the beverage labels. As the number of consumers of functional and specialized plant-based milk alternatives continues to rise, it is important to prioritize methods that provide qualitative and quantitative information on protein composition and other nutrients.
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Affiliation(s)
- Fruzsina Balogh-Hartmann
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
| | - Csilla Páger
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
| | - Anita Bufa
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
| | - Ibolya Madarászné Horváth
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
| | - Zsófia Verzár
- Institute of Nutritional Sciences and Dietetics, Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary;
| | - Tamás Marosvölgyi
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
| | - Lilla Makszin
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, 7622 Pécs, Hungary; (F.B.-H.); (C.P.); (A.B.); (I.M.H.); (T.M.)
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Long FF, Fan XH, Zhang QA. Effects of ultrasound on the immunoreactivity of amandin, an allergen in apricot kernels during debitterizing. ULTRASONICS SONOCHEMISTRY 2023; 95:106410. [PMID: 37088029 PMCID: PMC10457589 DOI: 10.1016/j.ultsonch.2023.106410] [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: 03/18/2023] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
In this paper, an investigation was conducted on the effects of ultrasound time, power and temperatures on the immunoreactivity of the allergenic amandin in apricot kernels by western blotting analysis during the ultrasonically accelerated debitterizing. And its influencing mechanism on the structure of amandin was also analyzed by SDS-PAGE, circular dichroism spectrum, extrinsic fluorescence spectrum, surface hydrophobicity and zeta potential determination, respectively. The results indicate that ultrasound could significantly reduce the immunoreactivity of amandin during ultrasonically accelerated debitterizing, and the optimal ultrasound condition was 60 min, 300 W, 55 °C and 59 kHz and decreased the immunoreactivity to 15.61%, which might be attributed to the changes of the protein subunits, secondary and tertiary structure, and molecular aggregation state induced by ultrasound. In a word, ultrasound could not only accelerate debitterizing, but also significantly decrease the immunoreactivity of apricot kernels, which proved the feasibility of ultrasound in practical processing of apricot kernels.
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Affiliation(s)
- Fei-Fei Long
- School of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi'an 710119, China
| | - Xue-Hui Fan
- School of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi'an 710119, China
| | - Qing-An Zhang
- School of Food Engineering and Nutrition Science, Shaanxi Normal University, Xi'an 710119, China.
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6
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Ultrasound: A reliable method for regulating food component interactions in protein-based food matrices. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.08.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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7
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A Narrative Review on Rice Proteins: Current Scenario and Food Industrial Application. Polymers (Basel) 2022; 14:polym14153003. [PMID: 35893967 PMCID: PMC9370113 DOI: 10.3390/polym14153003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 12/10/2022] Open
Abstract
Rice, Oryza sativa, is the major staple food that provides a larger share of dietary energy for more of the population than other cereal crops. Moreover, rice has a significant amount of protein including four different fractions such as prolamin, glutelin, globulin, and albumin with different solubility characteristics. However, these proteins exhibit a higher amino acid profile, so they are nutritionally important and possess several functional properties. Compared with many other cereal grains, rice protein is hypoallergic due to the absence of gluten, and therefore it is used to formulate food for infants and gluten-allergic people. Furthermore, the availability makes rice an easily accessible protein source and it exhibits several activities in the human body which discernibly affect total health. Because of these advantages, food industries are currently focusing on the effective application of rice protein as an alternative to animal-based and gluten-containing protein by overcoming limiting factors, such as poor solubility. Hence, it is important to gain an in-depth understanding of the rice protein to expand its application so, the underlined concept of this review is to give a current summary of rice protein, a detailed discussion of the chemistry of rice protein, and extraction techniques, and its functional properties. Furthermore, the impact of rice protein on human health and the current application of rice protein is also mentioned.
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8
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Ramos AH, Timm NDS, Rockenbach BA, Ferreira CD, Hoffmann JF, de Oliveira M. Red rice drying and storage: Effects on technological properties and phenolic compounds of the raw and cooked grains. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2021.103405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Zhang T, Shi J, Liang F, Shi Y, Zhang R. Changes in biological activity and gut microbiota of digestion of rice glutelin during storage. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Heat-Moisture Treatment Further Reduces In Vitro Digestibility and Enhances Resistant Starch Content of a High-Resistant Starch and Low-Glutelin Rice. Foods 2021; 10:foods10112562. [PMID: 34828843 PMCID: PMC8622339 DOI: 10.3390/foods10112562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/17/2021] [Accepted: 10/21/2021] [Indexed: 12/16/2022] Open
Abstract
A novel rice germplasm sbeIIb/Lgc1 producing grains rich in resistant starch (RS) but low in glutelin has been developed through CRISPR/Cas9-mediated targeted mutagenesis for its potential benefits to patients with diabetes and kidney diseases. In this study, a hydrothermal approach known as heat-moisture treatment (HMT) was identified as a simple and effective method in reinforcing the nutritional benefits of sbeIIb/Lgc1 rice. As a result of HMT treatment at 120 °C for 2 h, significant reductions in in vitro digestibility and enhancements in RS content were observed in sbeIIb/Lgc1 rice flour when the rice flour mass fraction was 80% and 90%. The low-glutelin feature of sbeIIb/Lgc1 rice was not compromised by HMT. The potential impacts of HMT on a range of physicochemical properties of sbeIIb/Lgc1 rice flour have also been analyzed. HMT resulted in a darker color of rice flour, alteration in the semi-crystalline structure, an increase in gelatinization temperatures, and reductions in the pasting viscosities as the moisture content increased. This study provides vital data for the food industry to facilitate the application of this dual-functional rice flour as a health food ingredient.
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Miraji KF, Linnemann AR, Fogliano V, Laswai HS, Capuano E. Dry-heat processing at different conditions impact the nutritional composition and in vitro starch and protein digestibility of immature rice-based products. Food Funct 2021; 12:7527-7545. [PMID: 34227637 DOI: 10.1039/d1fo01240a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Immature grain represents a precious nutritional source in many rural Africa areas. To optimize processing of immature rice into pepeta (a traditional rice-flakes produced from immature rice grains), immature rice (TXD306 variety) harvested at 18 and 26 days after 50% heading were processed in the laboratory under different soaking (0 and 12 h) and roasting temperature (80, 100 and 120 °C) regimes. Riboflavin, nicotinic acid, nicotinamide and iron concentration increased with severity of roasting temperature, while thiamine has an opposite trend. Heating promoted the transformation of insoluble into soluble dietary fiber, increased lipid digestibility decreasing protein one, which showed the highest value when rice was roasted at 100 °C. Soaking before roasting significantly increased moisture and iron content while slightly increased riboflavin, nicotinic acid and nicotinamide when compared to unsoaked products. Among roasted products, starch digestibility increased with roasting temperature. Microstructure analysis indicated a complete loss of cell wall integrity in cooked rice, determining a complete starch and protein digestion while this is delayed in raw rice and roasted products. We concluded that roasting at 100 °C is the optimum temperature to produce pepeta of the highest protein digestibility and low starch digestibility. Soaking before roasting at 120 °C is best when retaining micronutrients is considered.
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Affiliation(s)
- Kulwa F Miraji
- Tanzania Agricultural Research Institute, Ifakara Centre, Ifakara, Tanzania
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