1
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Liew CY, Chen JL, Lin YT, Luo HS, Hung AT, Magoling BJA, Nguan HS, Lai CPK, Ni CK. Chromatograms and Mass Spectra of High-Mannose and Paucimannose N-Glycans for Rapid Isomeric Identifications. J Proteome Res 2024; 23:939-955. [PMID: 38364797 PMCID: PMC10913092 DOI: 10.1021/acs.jproteome.3c00640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/25/2024] [Accepted: 01/31/2024] [Indexed: 02/18/2024]
Abstract
N-Linked glycosylation is one of the most essential post-translational modifications of proteins. However, N-glycan structural determination remains challenging because of the small differences in structures between isomers. In this study, we constructed a database containing collision-induced dissociation MSn mass spectra and chromatograms of high-performance liquid chromatography for the rapid identification of high-mannose and paucimannose N-glycan isomers. These N-glycans include isomers by breaking of arbitrary numbers of glycosidic bonds at arbitrary positions of canonical Man9GlcNAc2 N-glycans. In addition, some GlcMannGlcNAc2 N-glycan isomers were included in the database. This database is particularly useful for the identification of the N-glycans not in conventional N-glycan standards. This study demonstrated the application of the database to structural assignment for high-mannose N-glycans extracted from bovine whey proteins, soybean proteins, human mammary epithelial cells, and human breast carcinoma cells. We found many N-glycans that are not expected to be generated by conventional biosynthetic pathways of multicellular eukaryotes.
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Affiliation(s)
- Chia Yen Liew
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- International
Graduate Program of Molecular Science and Technology, National Taiwan University, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
| | - Jien-Lian Chen
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Yen-Ting Lin
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Hong-Sheng Luo
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Taiwan Normal University, Taipei 116059, Taiwan
| | - An-Ti Hung
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Bryan John Abel Magoling
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Institute
of Biochemical Sciences, College of Life Science, National Taiwan University, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
| | - Hock-Seng Nguan
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
| | - Charles Pin-Kuang Lai
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Chemical
Biology and Molecular Biophysics Program, Taiwan International Graduate
Program, Academia Sinica, Taipei 115201, Taiwan
- Genome
and Systems Biology Degree Program, National
Taiwan University and Academia Sinica, Taipei 106216, Taiwan
| | - Chi-Kung Ni
- Institute
of Atomic and Molecular Sciences, Academia Sinica, Taipei 106216, Taiwan
- Molecular
Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106216, Taiwan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 300044, Taiwan
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2
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Kim HS, Titgemeyer EC, Curles E, Olsen LM, Aldrich CG. Evaluation of Soybean Ingredients in Pet Foods Applications: Systematic Review. Animals (Basel) 2023; 14:16. [PMID: 38200747 PMCID: PMC10778487 DOI: 10.3390/ani14010016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 01/12/2024] Open
Abstract
Soybean use has been low in pet foods, even though they are an excellent source of protein, polyunsaturated fatty acids, and gut fermentable fibers. The purpose of this evaluation was to conduct a systematic review of the public literature to explore how soybeans have been researched for pet food applications since 2000 and to provide strengths, weaknesses, opportunities, and threats for soybeans in the pet food industry. The review covered a total of 44 articles related to soybean ingredients and their potential value in the pet food arena. The articles were categorized by their research contents and narratively summarized to demonstrate useful information to both the pet and soybean industries. When soybean-based products have been adequately processed to reduce the antinutritive factors, they are comparable to processed animal proteins in nutritional value, palatability, and functionality in pet food processing. We conclude that various food processing technologies and the versatility of soybean ingredients allow soybean to have considerable inclusion potential in pet foods. More research on dietary soybean ingredients regarding pet food processing, fermentation benefits on health, and consumer acceptance will be needed to understand soybean's position in the future pet food industry.
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Affiliation(s)
- Hee S. Kim
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA;
| | - Evan C. Titgemeyer
- Department of Animal Sciences and Industry, Kansas State University, Manhattan, KS 66506, USA;
| | - Erica Curles
- Smithbucklin Corporation, Chesterfield, MO 63017, USA;
| | - Livia M. Olsen
- K-State Libraries, Kansas State University, Manhattan, KS 66506, USA;
| | - Charles G. Aldrich
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA;
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3
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Gao T, Wu X, Gao Y, Teng F, Li Y. Co-Delivery System of Vitamin B 12 and Vitamin E Using a Binary W/O/W Emulsion Based on Soybean Isolate Protein-Xanthan Gum/Carrageenan: Emulsification Properties, Rheological Properties, Structure, Stability, and Digestive Characteristics. Foods 2023; 12:4361. [PMID: 38231848 DOI: 10.3390/foods12234361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024] Open
Abstract
In this study, the soybean protein isolate (SPI)-xanthan gum (XG) or carrageenan (CA) W/O/W emulsions for the co-delivery of vitamin B12 and vitamin E were prepared. The effects of XG and CA concentrations on the physicochemical properties and digestive characteristics of the emulsions were also investigated. The addition of XG and CA improved the SPI aggregation and increased its electrostatic repulsion so that more SPI was adsorbed at the phase interface. The emulsifying activity index and emulsifying stability index increased to 24.09 (XG 0.4%) and 14.00 (CA 0.5%) and 151.08 (XG 0.4%) and 135.34 (CA 0.5%), respectively. The adsorbed protein content increased to 88.90% (XG 0.4%) and 88.23% (CA 0.5%), respectively. Moreover, the encapsulation efficiencies of vitamin B12 and vitamin E were increased to 86.72% (XG 0.4%) and 86.47 (CA 0.5%) and 86.31% (XG 0.4%) and 85.78% (CA 0.5%), respectively. The bioaccessibility of vitamin B12 and vitamin E increased to 73.53% (XG 0.4%) and 71.32% (CA 0.5%) and 68.86% (XG 0.4%) and 68.74% (CA 0.5%). The best properties of the emulsions were obtained at a 0.4% concentration of XG and 0.5% of CA. This study offers a novel system for delivering bioactive substances, which is favorable for the advancement of food with delivery capability in food processing.
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Affiliation(s)
- Tian Gao
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xixi Wu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yiting Gao
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Fei Teng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yang Li
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
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4
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Peng Y, Zhao D, Li M, Wen X, Ni Y. The Interactions of Soy Protein and Wheat Gluten for the Development of Meat-like Fibrous Structure. Molecules 2023; 28:7431. [PMID: 37959850 PMCID: PMC10647354 DOI: 10.3390/molecules28217431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Consumers who are environmentally and health conscious are increasingly looking for plant-based alternatives to replace animal-based products in their daily diets. Among these alternatives, there is a growing demand for meat analogues that closely resemble the taste and texture of meat. As a result, significant efforts have been dedicated to developing meat analogues with a desirable meat-like structure. Currently, soy protein and wheat gluten are the main ingredients used for producing these meat analogues due to their availability and unique functionalities. This study observed that high moisture extrusion at moisture levels of 50-80% has become a common approach for creating fibrous structures, with soy protein and wheat gluten being considered incompatible proteins. After the structuring process, they form two-phase filled gels, with wheat gluten acting as the continuous phase and soy protein serving as a filler material. Moreover, the formation of soy protein and wheat gluten networks relies on a combination of covalent and non-covalent interaction bonds, including hydrogen bonds that stabilize the protein networks, hydrophobic interactions governing protein chain associations during thermo-mechanical processes, and disulfide bonds that potentially contribute to fibrous structure formation. This review provides case studies and examples that demonstrate how specific processing conditions can improve the overall structure, aiming to serve as a valuable reference for further research and the advancement of fibrous structures.
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Affiliation(s)
- Yu Peng
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Beijing 100083, China; (Y.P.); (M.L.); (Y.N.)
| | - Dandan Zhao
- College of Food Science & Biology, Hebei University of Science and Technology, No. 26 Yuxiang Street, Shijiazhuang 050000, China;
| | - Mo Li
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Beijing 100083, China; (Y.P.); (M.L.); (Y.N.)
| | - Xin Wen
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Beijing 100083, China; (Y.P.); (M.L.); (Y.N.)
| | - Yuanying Ni
- College of Food Science and Nutritional Engineering, China Agricultural University, No. 17 Qinghua East Road, Beijing 100083, China; (Y.P.); (M.L.); (Y.N.)
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5
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Park HR, Seo JH, Kang BK, Kim JH, Heo SV, Choi MS, Ko JY, Kim CS. QTLs and Candidate Genes for Seed Protein Content in Two Recombinant Inbred Line Populations of Soybean. Plants (Basel) 2023; 12:3589. [PMID: 37896053 PMCID: PMC10610525 DOI: 10.3390/plants12203589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023]
Abstract
This study aimed to discover the quantitative trait loci (QTL) associated with a high seed protein content in soybean and unravel the potential candidate genes. We developed two recombinant inbred line populations: YS and SI, by crossing Saedanbaek (high protein) with YS2035-B-91-1-B-1 (low protein) and Saedanbaek with Ilmi (low protein), respectively, and evaluated the protein content for three consecutive years. Using single-nucleotide polymorphism (SNP)-marker-based linkage maps, four QTLs were located on chromosomes 15, 18, and 20 with high logarithm of odds values (5.9-55.0), contributing 5.5-66.0% phenotypic variance. In all three experimental years, qPSD20-1 and qPSD20-2 were stable and identified in overlapping positions in the YS and SI populations, respectively. Additionally, novel QTLs were identified on chromosomes 15 and 18. Considering the allelic sequence variation between parental lines, 28 annotated genes related to soybean seed protein-including starch, lipid, and fatty acid biosynthesis-related genes-were identified within the QTL regions. These genes could potentially affect protein accumulation during seed development, as well as sucrose and oil metabolism. Overall, this study offers insights into the genetic mechanisms underlying a high soybean protein content. The identified potential candidate genes can aid marker-assisted selection for developing soybean lines with an increased protein content.
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Affiliation(s)
| | - Jeong Hyun Seo
- Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration, Miryang 50424, Republic of Korea; (H.R.P.); (B.K.K.); (J.H.K.); (S.V.H.); (M.S.C.); (J.Y.K.); (C.S.K.)
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6
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Choi RY, Lee MK. Effects of Mealworm Fermentation Extract and Soy Protein Mix Ratio on Hepatic Glucose and Lipid Metabolism in Obese-Induced Mice. Prev Nutr Food Sci 2023; 28:255-262. [PMID: 37842251 PMCID: PMC10567600 DOI: 10.3746/pnf.2023.28.3.255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/30/2023] [Accepted: 06/20/2023] [Indexed: 10/17/2023] Open
Abstract
Previous studies found that mealworm fermentation extract (TMP) reduced alcoholic hepatic steatogenesis. This study examined how the ratio of TMP and soy protein (SP) mix affected glucose and lipid metabolism in obese mice given a high-fat diet (HFD). Mice were given HFD supplemented with 100% SP or the following three ratios of TMP and SP mix for 12 weeks: 20% (S4T1), 40% (S3T2), and 60% (S2T3) TMP. When compared to the SP group, the S2T3 group had considerably lower body weight gain and food consumption. When compared to the SP group, the S2T3 group had slightly lower blood insulin and leptin levels, as well as a lower homeostasis model assessment of insulin resistance score. The use of TMP instead of SP reduced the size of epididymal adipose tissue cells. An increase in the extent of substitution of SP with TMP inhibited the gene expression of hepatic fructolysis/gluconeogenesis (KHK, ALDOB, DLD, and FBP1), lipogenesis (FAS, SCD1, CD36, and DGAT2), and its transcriptional factors (PPARγ and ChREBP). Furthermore, the S2T3 group dramatically reduced the expression of hepatic genes implicated in endoplasmic reticulum stress (PDI) and antioxidant defense (SOD1). The 60% TMP mix, in particular, reduced the expression of hepatic glucose and lipid metabolismrelated genes in HFD-fed mice. The manufacturing of functional processed goods may be accomplished by combining SP and TMP in a 2:3 ratio.
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Affiliation(s)
- Ra-Yeong Choi
- Department of Agricultural Biology, National Institution of Agricultural Sciences, Rural Development Administration, Jeonbuk 55365, Korea
| | - Mi-Kyung Lee
- Department of Food and Nutrition, Sunchon National University, Jeonnam 57922, Korea
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7
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Zhang Y, Wang Q, Liu Y, Dong S, Zhang Y, Zhu Y, Tian Y, Li J, Wang Z, Wang Y, Yan F. Overexpressing GmCGS2 Improves Total Amino Acid and Protein Content in Soybean Seed. Int J Mol Sci 2023; 24:14125. [PMID: 37762432 PMCID: PMC10532240 DOI: 10.3390/ijms241814125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 09/10/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Soybean (Glycine max (L.) Merr.) is an important source of plant protein, the nutritional quality of which is considerably affected by the content of the sulfur-containing amino acid, methionine (Met). To improve the quality of soybean protein and increase the Met content in seeds, soybean cystathionine γ-synthase 2 (GmCGS2), the first unique enzyme in Met biosynthesis, was overexpressed in the soybean cultivar "Jack", producing three transgenic lines (OE3, OE4, and OE10). We detected a considerable increase in the content of free Met and other free amino acids in the developing seeds of the three transgenic lines at the 15th and 75th days after flowering (15D and 75D). In addition, transcriptome analysis showed that the expression of genes related to Met biosynthesis from the aspartate-family pathway and S-methyl Met cycle was promoted in developing green seeds of OE10. Ultimately, the accumulation of total amino acids and soluble proteins in transgenic mature seeds was promoted. Altogether, these results indicated that GmCGS2 plays an important role in Met biosynthesis, by providing a basis for improving the nutritional quality of soybean seeds.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Fan Yan
- Correspondence: (Y.W.); (F.Y.)
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8
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Yoosefzadeh-Najafabadi M, Torabi S, Tulpan D, Rajcan I, Eskandari M. Application of SVR-Mediated GWAS for Identification of Durable Genetic Regions Associated with Soybean Seed Quality Traits. Plants (Basel) 2023; 12:2659. [PMID: 37514272 PMCID: PMC10383196 DOI: 10.3390/plants12142659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023]
Abstract
Soybean (Glycine max L.) is an important food-grade strategic crop worldwide because of its high seed protein and oil contents. Due to the negative correlation between seed protein and oil percentage, there is a dire need to detect reliable quantitative trait loci (QTL) underlying these traits in order to be used in marker-assisted selection (MAS) programs. Genome-wide association study (GWAS) is one of the most common genetic approaches that is regularly used for detecting QTL associated with quantitative traits. However, the current approaches are mainly focused on estimating the main effects of QTL, and, therefore, a substantial statistical improvement in GWAS is required to detect associated QTL considering their interactions with other QTL as well. This study aimed to compare the support vector regression (SVR) algorithm as a common machine learning method to fixed and random model circulating probability unification (FarmCPU), a common conventional GWAS method in detecting relevant QTL associated with soybean seed quality traits such as protein, oil, and 100-seed weight using 227 soybean genotypes. The results showed a significant negative correlation between soybean seed protein and oil concentrations, with heritability values of 0.69 and 0.67, respectively. In addition, SVR-mediated GWAS was able to identify more relevant QTL underlying the target traits than the FarmCPU method. Our findings demonstrate the potential use of machine learning algorithms in GWAS to detect durable QTL associated with soybean seed quality traits suitable for genomic-based breeding approaches. This study provides new insights into improving the accuracy and efficiency of GWAS and highlights the significance of using advanced computational methods in crop breeding research.
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Affiliation(s)
| | - Sepideh Torabi
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Dan Tulpan
- Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Istvan Rajcan
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Milad Eskandari
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
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9
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Li H, Wang Y, Xie W, Tang Y, Yang F, Gong C, Wang C, Li X, Li C. Preparation and Characterization of Soybean Protein Adhesives Modified with an Environmental-Friendly Tannin-Based Resin. Polymers (Basel) 2023; 15:polym15102289. [PMID: 37242862 DOI: 10.3390/polym15102289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/01/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Soybean protein-based adhesives are limited in their application due to their poor wet bonding strength and poor water resistance. Herein, we prepared a novel, environmentally friendly soybean protein-based adhesive by adding tannin-based resin (TR) to improve the performance of water resistance and wet bonding strength. The active sites of TR reacted with the soybean protein and its functional groups and formed strong cross-linked network structures, which improved the cross-link density of the adhesives and then improved the water resistance. The residual rate increased to 81.06% when 20 wt%TR was added, and the water resistance bonding strength reached 1.07 MPa, which fully met the Chinese national requirements for plywood (Class II, ≥0.7 MPa). SEM observations were performed on the fracture surfaces of all modified SPI adhesives after curing. The modified adhesive has a denser and smooth cross-section. Based on the TG and DTG plots, the thermal stability performance of the TR-modified SPI adhesive was improved when TR was added. The total weight loss of the adhesive decreased from 65.13% to 58.87%. This study provides a method for preparing low-cost and high-performance, environmentally friendly adhesives.
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Affiliation(s)
- Hanyin Li
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Yujie Wang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Wenwen Xie
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Yang Tang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Fan Yang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Chenrui Gong
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Chao Wang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
- College of Landscape Architecture and Art, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiaona Li
- College of Material Science and Engineering, Nanjing Forestry University, Longpan Road 159, Xuanwu District, Nanjing 210037, China
| | - Cheng Li
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
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10
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Wang X, Zhang L, Chen L, Wang Y, Okonkwo CE, Yagoub AEGA, Wahia H, Zhou C. Application of ultrasound and its real-time monitoring of the acoustic field during processing of tofu: Parameter optimization, protein modification, and potential mechanism. Compr Rev Food Sci Food Saf 2023. [PMID: 37161497 DOI: 10.1111/1541-4337.13161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 03/07/2023] [Accepted: 04/04/2023] [Indexed: 05/11/2023]
Abstract
Tofu is nutritious, easy to make, and popular among consumers. At present, traditional tofu production has gradually become perfect, but there are still shortcomings, such as long soaking time, serious waste of water resources, and the inability to realize orders for production at any time. Moreover, tofu production standards have not yet been clearly defined, with large differences in quality between them, which is not conducive to industrialized and large-scale production. Ultrasound has become a promising green processing technology with advantages, such as high extraction rate, short processing time, and ease of operation. This review focused on the challenges associated with traditional tofu production during soaking, grinding, and boiling soybeans. Moreover, the advantages of ultrasonic processing over traditional processing like increasing nutrient content, improving gel properties, and inhibiting the activity of microorganisms were explained. Furthermore, the quantification of acoustic fields by real-time monitoring technology was introduced to construct the theoretical correlation between ultrasonic treatments and tofu processing. It was concluded that ultrasonic treatment improved the functional properties of soybean protein, such as solubility, emulsifying properties, foamability, rheological properties, gel strength, and thermal stability. Therefore, the application of ultrasonic technology to traditional tofu processing to optimize industrial parameters is promising.
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Affiliation(s)
- Xue Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Lei Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Li Chen
- Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang, China
| | - Yang Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Clinton Emeka Okonkwo
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Abu El-Gasim A Yagoub
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Hafida Wahia
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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11
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Yang L, Zhang T, Li H, Chen T, Liu X. Control of Beany Flavor from Soybean Protein Raw Material in Plant-Based Meat Analog Processing. Foods 2023; 12:foods12050923. [PMID: 36900440 PMCID: PMC10001211 DOI: 10.3390/foods12050923] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
The development of plant-based meat analogs is currently hindered by the beany flavor generated by raw soybean protein and extrusion processing. Wide concern has led to extensive research on the generation and control of this unwanted flavor, as an understanding of its formation in raw protein and extrusion processing and methods through which to control its retention and release are of great significance for obtaining ideal flavor and maximizing food quality. This study examines the formation of beany flavor during extrusion processing as well as the influence of interaction between soybean protein and beany flavor compounds on the retention and release of the undesirable flavor. This paper discusses ways to maximize control over the formation of beany flavor during the drying and storage of raw materials and methods to reduce beany flavor in products by adjusting extrusion parameters. The degree of interaction between soybean protein and beany compounds was found to be dependent on conditions such as heat treatment and ultrasonic treatment. Finally, future research directions are proposed and prospected. This paper thus provides a reference for the control of beany flavor during the processing, storage, and extrusion of soybean raw materials used in the fast-growing plant-based meat analog industry.
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Affiliation(s)
- Lingyu Yang
- National Soybean Processing Industry Technology Innovation Center, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Tianyu Zhang
- National Soybean Processing Industry Technology Innovation Center, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
- Puluting (Hebei) Protein Biotechnology Research Limited Company, Handan 056000, China
| | - He Li
- National Soybean Processing Industry Technology Innovation Center, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
- Correspondence:
| | - Tianpeng Chen
- Shandong Gulin Food Technology Limited Company, Yantai 264010, China
| | - Xinqi Liu
- National Soybean Processing Industry Technology Innovation Center, School of Food and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
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12
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Guo Y, Liu C, Wang Y, Ren S, Zheng X, Zhang J, Cheng T, Guo Z, Wang Z. Impact of Cavitation Jet on the Structural, Emulsifying Features and Interfacial Features of Soluble Soybean Protein Oxidized Aggregates. Foods 2023; 12:foods12050909. [PMID: 36900426 PMCID: PMC10000764 DOI: 10.3390/foods12050909] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023] Open
Abstract
A cavitation jet can enhance food proteins' functionalities by regulating solvable oxidized soybean protein accumulates (SOSPI). We investigated the impacts of cavitation jet treatment on the emulsifying, structural and interfacial features of soluble soybean protein oxidation accumulate. Findings have shown that radicals in an oxidative environment not only induce proteins to form insoluble oxidative aggregates with a large particle size and high molecular weight, but also attack the protein side chains to form soluble small molecular weight protein aggregates. Emulsion prepared by SOSPI shows worse interface properties than OSPI. A cavitation jet at a short treating time (<6 min) has been shown to break the core aggregation skeleton of soybean protein insoluble aggregates, and insoluble aggregates into soluble aggregates resulting in an increase of emulsion activity (EAI) and constancy (ESI), and a decrease of interfacial tension from 25.15 to 20.19 mN/m. However, a cavitation jet at a long treating time (>6 min) would cause soluble oxidized aggregates to reaggregate through an anti-parallel intermolecular β-sheet, which resulted in lower EAI and ESI, and a higher interfacial tension (22.44 mN/m). The results showed that suitable cavitation jet treatment could adjust the structural and functional features of SOSPI by targeted regulated transformation between the soluble and insoluble components.
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Wang F, Gao Y, Gu X, Luan B, Zhu Y, Huang Y, Zhu X. High-moisture extrusion cooking on soybean-wheat protein mixtures: Effect of sodium alginate/xanthan gum/maltodextrin on promoting a fibrous structure. Front Nutr 2023; 9:1077601. [PMID: 36698475 PMCID: PMC9868749 DOI: 10.3389/fnut.2022.1077601] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 12/19/2022] [Indexed: 01/11/2023] Open
Abstract
At present, the changes in fibrous structure of plant proteins improved by polysaccharides during high-moisture extrusion cooking (HMEC) are still unclear. In this study, different additions (1, 2, 3, 4, and 5%) of sodium alginate (SA), xanthan gum (XG), and maltodextrin (MD) were used in the preparation of organised protein products based on soybean protein and wheat protein under high moisture extrusion conditions. It was revealed that SA-4%, XG-2%, and MD-2% (w/w) significantly enhanced the structural and physical properties of the fibres. The polysaccharides increased the water distribution of extrudates by enhancing protein-water interactions through hydrogen bonding, with MD-2% having the strongest ability to trap free water. The mechanism by which the polysaccharides improved the fibrous structure of extrudates involved the reorganization of molten proteins from the die head region to the cooling region, formation of new molecular bonds and enhancement of thermal stability. XG-2% significantly increased the β-sheet structure in the molten region (48.9 ± 1.35%) and showed the best thermal stability. Overall, SA-4% was able to better maintain the molecular bonding transformation and strong water absorption, which stabilised the protein conformation and formed the highest fibrous degree (2.1 ± 0.03). This suggests that the properties of the three polysaccharides can be used as modifiers of high water extruded plant proteins to improve the extruded materiality, functional and nutritional properties.
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Li G, Xu J, Wang H, Jiang L, Wang H, Zhang Y, Jin H, Fan Z, Xu J, Zhao Q. Physicochemical Antioxidative and Emulsifying Properties of Soybean Protein Hydrolysates Obtained with Dissimilar Hybrid Nanoflowers. Foods 2022; 11:foods11213409. [PMID: 36360021 PMCID: PMC9653765 DOI: 10.3390/foods11213409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/17/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated the changes in the structure and properties of soybean protein after hydrolysis using two types of hybrid nanoflowers (alcalase@Cu3(PO4)2•3H2O (ACHNs) and dispase@Cu3(PO4)2•3H2O (DCHNs)) and examined the basic properties and oxidative stability of hydrolyzed soybean protein emulsions. The formations of the two hybrid nanoflowers were first determined using a scanning electron microscope, transmission electron microscope, and Fourier infrared spectroscopy. The structure and functional properties of soybean protein treated with hybrid nanoflowers were then characterized. The results indicated that the degree of hydrolysis (DH) of the ACHNs hydrolysates was higher than that of the DCHNs for an identical reaction time. Soybean protein hydrolysates treated with two hybrid nanoflowers showed different fluorescence and circular dichroism spectra. The solubility of the hydrolysates was significantly higher (p < 0.05) than that of the soybean protein (SPI) at all pH values tested (2.0−10.0)*: at the same pH value, the maximum solubility of ACHNs hydrolysates and DCHNs hydrolysates was increased by 46.2% and 42.2%, respectively. In addition, the ACHNs hydrolysates showed the highest antioxidant activity (DPPH IC50 = 0.553 ± 0.009 mg/mL, ABTS IC50 = 0.219 ± 0.019 mg/mL, and Fe2+ chelating activity IC50 = 40.947 ± 3.685 μg/mL). The emulsifying activity index of ACHNs and DCHNs hydrolysates reached its maximum after hydrolysis for 120 min at 61.38 ± 0.025 m2/g and 54.73 ± 0.75 m2/g, respectively. It was concluded that the two hydrolysates have better solubility and antioxidant properties, which provides a theoretical basis for SPI product development. More importantly, the basic properties and oxidative stability of the soybean-protein-hydrolysates oil-in-water emulsions were improved. These results show the importance of proteins hydrolyzed by hybrid nanoflowers as emulsifiers and antioxidants in the food and pharmaceutical industry.
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Affiliation(s)
- Geng Li
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Jingwen Xu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Huiwen Wang
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Huan Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yan Zhang
- Coastal Research and Extension Center, Mississippi State University, Starkville, MS 39762, USA
| | - Hua Jin
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Zhijun Fan
- Heilongjiang Beidahuang Green and Healthy Food Co., Ltd., Jiamusi 154007, China
| | - Jing Xu
- College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (J.X.); (Q.Z.); Tel.: +86-13796652155 (J.X.); +86-13796653133 (Q.Z.)
| | - Qingshan Zhao
- Experimental Practice and Demonstration Center, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (J.X.); (Q.Z.); Tel.: +86-13796652155 (J.X.); +86-13796653133 (Q.Z.)
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15
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Yuan Y, He Z, Ju Q, Zhao S, Wu C, Hu Y, Zhou S, Luan G. The role of the extension region on the structural and physicochemical characteristics of the α-subunit of β-conglycinin: implications of pH value and ionic strength. J Sci Food Agric 2022; 102:6062-6070. [PMID: 35462432 DOI: 10.1002/jsfa.11958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/17/2022] [Accepted: 04/24/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND To clarify the role of the extension region on the structure-functional relationship of the α-subunit of β-conglycinin, α-subunit and its segment of the core region (αc-subunit) were expressed via an Escherichia coli system. Their physicochemical properties were compared under acid, neutral or alkaline conditions (pH 4.0, 7.0, and 8.0) and high or low ionic strength (μ = 0.05 and 0.5), respectively. RESULTS The results showed that the extension region contributed to increasing thermal stability, especially at low ionic strength under acidic and neutral conditions. The extension region stabilized the α-subunit with high solubility, low turbidity, and small particle size under neutral and alkaline conditions, whereas these impacts were suppressed at a high ionic strength and acidic conditions. Surface hydrophobicity of the α-subunit decreased under acidic and alkaline conditions without being interfered with by ionic strength. CONCLUSION It can be concluded that the extension region played different roles under different pH and ionic strength conditions. These factors should be specified carefully and speculated individually to explore the more detailed and profound nature of β-conglycinin at the submolecular level. The results could benefit a better understanding of the relationship between domain structure and functions of soybean protein. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Yanqiu Yuan
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Zijie He
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Qian Ju
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Sibo Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Chang Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Yayun Hu
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Shuyi Zhou
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
| | - Guangzhong Luan
- College of Food Science and Engineering, Northwest A&F University, Yangling, China
- Engineering Research Center of Grain and Oil Functionalized Processing, Universities of Shaanxi Province, Yangling, China
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16
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Shan P, Ho CT, Zhang L, Gao X, Lin H, Xu T, Wang B, Fu J, He R, Zhang Y. Degradation Mechanism of Soybean Protein B 3 Subunit Catalyzed by Prolyl Endopeptidase from Aspergillus niger during Soy Sauce Fermentation. J Agric Food Chem 2022; 70:5869-5878. [PMID: 35511597 DOI: 10.1021/acs.jafc.2c01796] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Soy sauce secondary precipitate formed due to the B3 subunit seriously affects soy sauce's appearance quality. In this study, a prolyl endopeptidase (APE) from Aspergillus niger, which could degrade approximately 50% of the B3 subunit and increase proline content by 24% in soy sauce, was isolated and identified. The results showed that APE was an acidic salt-tolerant serine protease (62 kDa), which was optimally active at 40 °C and pH 4.0, and retained more than 69% activity in 3 M NaCl solution over 10 days. As a potential substrate of APE, the B3 subunit contains 10 proline residues. High salinity could not damage the hydrogen bonds, salt bridges, and interior hydrophobicity of APE; thus, the spatial structures and activity of APE in 3 M NaCl solution were stable within 3 days and decreased thereafter. High salinity made the B3 subunit more rigid and lowered the catalytic activity of APE on the B3 subunit, hindering complete hydrolysis of the B3 subunit. This was the first report about the APE capable of degrading the B3 subunit and reducing the secondary precipitate of soy sauce, providing a new possibility to solve the secondary precipitate of soy sauce.
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Affiliation(s)
- Pei Shan
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Chi-Tang Ho
- Department of Food Science, Rutgers University, New Brunswick, New Jersey 08901, United States
| | - Lei Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xianli Gao
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Hong Lin
- Guangdong Meiweixian Flavoring Foods Co., Ltd., 1 Chubang Road, Zhongshan 528437, China
| | - Ting Xu
- Guangdong Meiweixian Flavoring Foods Co., Ltd., 1 Chubang Road, Zhongshan 528437, China
| | - Bo Wang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Jiangyan Fu
- Guangdong Meiweixian Flavoring Foods Co., Ltd., 1 Chubang Road, Zhongshan 528437, China
| | - Ronghai He
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Yaqiong Zhang
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
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17
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Fang L, Zhang RX, Wei Y, Ling K, Lu L, Wang J, Pan XC, Cai MY. Anti-fatigue effects of fermented soybean protein peptides in mice. J Sci Food Agric 2022; 102:2693-2703. [PMID: 34694006 DOI: 10.1002/jsfa.11609] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/28/2021] [Accepted: 10/25/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Bioactive protein hydrolysates and peptides are believed to help counteract and ameliorate physical fatigue. Fermented soybean protein peptides (FSPPs) were prepared by protease hydrolysis and microbial fermentation. The present study aimed to evaluate the anti-fatigue properties of FSPPs. RESULTS The forced swimming time in the FSPP group was 35.78% longer than the control group, the oxygen-resistant survival time of the FSPP group was significantly prolonged and the prolongation rate was 31.00%. In addition, FSPPs decreased the lactic acid (LD), blood urea nitrogen (BUN) and creatine kinase (CK) concentration by 27.47%, 25.93% and 21.70%, respectively, after treatment, while increasing the levels of liver glycogen and muscle glycogen by 93.35% and 67.31%, respectively. FSPPs can significantly increase gut microbiota diversity and regulate the species richness of gut microbiota. The results of real-time polymerase chain reaction (RT-PCR) and western blotting showed that FSPPs activate p-AMPK/PGC1-α and PI3K/Akt/mTOR signaling pathways. CONCLUSION These results indicate that treatment with FSPPs induces anti-fatigue effects, which may be due to the mediating muscle protein synthesis and participation in skeletal muscle hypertrophy, providing energy for muscle cells. FSPPs may have potential applications in the food industry as functional material additives. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Lei Fang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Rui-Xue Zhang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Ying Wei
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Kong Ling
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Lu Lu
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Jing Wang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Xing-Chang Pan
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
| | - Mu-Yi Cai
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co. Ltd, Beijing, People's Republic of China
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18
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Zhu S, Zhang Y, Wang J, Zhang C, Liu X. Investigating Differential Expressed Genes of Limosilactobacillus reuteri LR08 Regulated by Soybean Protein and Peptides. Foods 2022; 11:1251. [PMID: 35563974 DOI: 10.3390/foods11091251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/24/2022] [Accepted: 04/24/2022] [Indexed: 02/01/2023] Open
Abstract
Soybean protein and peptides have the potential to promote the growth of Lactobacillus, but the mechanisms involved are not well understood. The purpose of this study is to investigate differentially expressed genes (DEGs) of Limosilactobacillus reuteri (L. reuteri) LR08 responding to soybean protein and peptides using transcriptome. The results showed that both digested protein (dpro) and digested peptides (dpep) could enhance a purine biosynthesis pathway which could provide more nucleic acid and ATP for bacteria growth. Moreover, dpep could be used instead of dpro to promote the ABC transporters, especially the genes involved in the transportation of various amino acids. Interestingly, dpro and dpep played opposite roles in modulating DEGs from the acc and fab gene families which participate in fatty acid biosynthesis. These not only provide a new direction for developing nitrogen-sourced prebiotics in the food industry but could also help us to understand the fundamental mechanism of the effects of dpro and dpep on their growth and metabolisms and provides relevant evidence for further investigation.
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Singer WM, Shea Z, Yu D, Huang H, Mian MAR, Shang C, Rosso ML, Song QJ, Zhang B. Genome-Wide Association Study and Genomic Selection for Proteinogenic Methionine in Soybean Seeds. Front Plant Sci 2022; 13:859109. [PMID: 35557723 PMCID: PMC9088226 DOI: 10.3389/fpls.2022.859109] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/31/2022] [Indexed: 06/15/2023]
Abstract
Soybean [Glycine max (L.) Merr.] seeds have an amino acid profile that provides excellent viability as a food and feed protein source. However, low concentrations of an essential amino acid, methionine, limit the nutritional utility of soybean protein. The objectives of this study were to identify genomic associations and evaluate the potential for genomic selection (GS) for methionine content in soybean seeds. We performed a genome-wide association study (GWAS) that utilized 311 soybean accessions from maturity groups IV and V grown in three locations in 2018 and 2019. A total of 35,570 single nucleotide polymorphisms (SNPs) were used to identify genomic associations with proteinogenic methionine content that was quantified by high-performance liquid chromatography (HPLC). Across four environments, 23 novel SNPs were identified as being associated with methionine content. The strongest associations were found on chromosomes 3 (ss715586112, ss715586120, ss715586126, ss715586203, and ss715586204), 8 (ss715599541 and ss715599547) and 16 (ss715625009). Several gene models were recognized within proximity to these SNPs, such as a leucine-rich repeat protein kinase and a serine/threonine protein kinase. Identification of these linked SNPs should help soybean breeders to improve protein quality in soybean seeds. GS was evaluated using k-fold cross validation within each environment with two SNP sets, the complete 35,570 set and a subset of 248 SNPs determined to be associated with methionine through GWAS. Average prediction accuracy (r 2) was highest using the SNP subset ranging from 0.45 to 0.62, which was a significant improvement from the complete set accuracy that ranged from 0.03 to 0.27. This indicated that GS utilizing a significant subset of SNPs may be a viable tool for soybean breeders seeking to improve methionine content.
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Affiliation(s)
- William M. Singer
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Zachary Shea
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Dajun Yu
- Department of Food Science and Technology, Virginia Tech, Blacksburg, VA, United States
| | - Haibo Huang
- Department of Food Science and Technology, Virginia Tech, Blacksburg, VA, United States
| | - M. A. Rouf Mian
- Soybean and Nitrogen Fixation Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Raleigh, NC, United States
| | - Chao Shang
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Maria L. Rosso
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Qijan J. Song
- Soybean Genomics and Improvement Laboratory, Beltsville Agricultural Research Center, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), Beltsville, MD, United States
| | - Bo Zhang
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
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20
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Jiang S, Ji S, Tang X, Wang T, Wang H, Meng X. A Comparison Study on the Therapeutic Effect of High Protein Diets Based on Pork Protein versus Soybean Protein on Obese Mice. Foods 2022; 11. [PMID: 35563950 DOI: 10.3390/foods11091227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/21/2022] [Accepted: 04/23/2022] [Indexed: 02/04/2023] Open
Abstract
In this study, an obese C57BL/6J mice model was induced to compare the effect of different high protein diets (soybean protein and pork protein) on obesity. The obese mice were randomly divided into four groups: natural recovery (NR), high-fat diet (HF), high soybean protein diet (HSP), and high pork protein diet (HPP) groups. After 12 weeks of dietary intervention, the obesity-related indexes of mice were measured, such as body weight, fat coefficients, blood lipid indexes and so on. Results showed that HSP and HPP decreased the weight and fat coefficients of mice, the levels of serum total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C) and leptin (p < 0.05). Soybean protein was shown to be more effective in reducing the weight and fat mass of obese mice, although pork protein seemed to have a better effect on regulating serum triglyceride (TG). In addition, the two high protein diets both alleviated hepatic fat deposition effectively. Furthermore, HPP and HSP decreased the expression of hepatic peroxisome proliferator-activated receptor-γ (PPAR-γ) and increased the protein expression of phosphorylated AMP-activated protein kinase (pAMPK), phosphorylated acetyl CoA carboxylase (pACC), and uncoupling protein 2 (UCP2) (p < 0.05). In conclusion, the study shows that high protein diets based on both pork protein and soybean protein alleviated abdominal obesity in mice effectively by regulating lipid metabolism, probably via the UCP2-AMPK-ACC signaling pathway.
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21
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Zhou F, He S, Zhang Y, Wang Y, Sun H, Liu Q. Prediction and characterization of the T cell epitopes for the major soybean protein allergens using bioinformatics approaches. Proteins 2022; 90:418-434. [PMID: 34486167 DOI: 10.1002/prot.26233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/14/2021] [Accepted: 08/30/2021] [Indexed: 12/19/2022]
Abstract
Protein allergens is a health risk for consumption of soybeans. To understand allerginicity mechanism, T cell epitopes of 7 soybean allergens were predicted and screened by abilities to induce cytokine interleukin (IL) 4. The relationships among amino acid composition, properties, allergenicity, and pepsin hydrolysis sites were analyzed. Among the 138 T cell epitopes identified, YIKDVFRVIPSEVLS, KDVFRVIPSEVLSNS, DVFRVIPSEVLSNSY of Gly m 6.0501 (P04347), and AKADALFKAIEAYLL, ADALFKAIEAYLLAH of Gly m 4.0101 (P26987) were the most possible epitope candidates. In T cell epitopes pattern, the frequencies of amino acids Q, D, E, P, and G decreased, while F, I, N, V, K, H, A, L, and S increased. Hydrophobic residues at positions p1 and p2 and positively charged residues in positions p13 might contribute to allergenicity. Most of epitopes could be hydrolyzed by pepsin into small polypeptides within 12 residues length, and the anti-digestive epitope regions contained I, V, S, N, and Q residues. T cell epitopes EEQRQQEGVIVELSK from Gly m 5.03 (P25974) showed resistance to pepsin hydrolysis and would cause a higher Th2 cell response. This research provides basis for the development of hypoallergenic soybean products in the soybean industry as well as for the immunotherapy design for protein allergy.
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Affiliation(s)
- Fanlin Zhou
- Engineering Research Center of Bio-process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Shudong He
- Engineering Research Center of Bio-process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Yi Zhang
- IPREM, E2S UPPA, CNRS, Université de Pau et des Pays de l'Adour, Pau, France
| | - Yongfei Wang
- Engineering Research Center of Bio-process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Hanju Sun
- Engineering Research Center of Bio-process of Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, China
| | - Qian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
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22
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Ta NT, Ngo HTT, Nguyen PM, Truong TT, Nguyen GH, Dinh HTD, Nguyen LT, LE HT, Nguyen KC, Yamamoto S. Effectiveness of Textured Soybean Protein on Blood Biochemistry in Vietnamese Type 2 Diabetes Mellitus Patients. J Nutr Sci Vitaminol (Tokyo) 2022; 68:32-38. [PMID: 35228493 DOI: 10.3177/jnsv.68.32] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Type 2 diabetes mellitus (T2DM) has been increasing rapidly in Vietnam as well as world-wide. One of the major causes of the condition is low fiber intake. It is difficult to eat large amounts of vegetables every day to reach a sufficient amount of fiber but Textured Soybean Protein is rich in fiber. The study aimed to examine the effectiveness of Textured Soybean Protein consumption on T2DM patients. In this randomized controlled trial, 47 T2DM patients were divided into an intervention group (n=24) and a control group (n=23). The intervention group were asked to consume 40 g Textured Soybean Protein in 2 dishes for 4 wk. The control group continued their usual diet. Fasting blood samples were drawn before and after intervention to measure fasting plasma glucose (FPG), fructosamine, low density lipoprotein-cholesterol (LDL-C), high density lipoprotein-cholesterol (HDL-C), total cholesterol (T-C), and triglycerides (TG). A 3-day food record was conducted at 1 wk before (baseline) and at the last week (final) of the intervention period. In the Textured Soybean Protein consumption group, there was a significant decrease in fructosamine (363±86 μmol/L to 347±82 μmol/L, p=0.03), T-C (5.2±0.9 mmol/L to 4.8±0.8 mmol/L, p=0.02) and TG (3.5±2.2 mmol/L to 2.8±2.0 mmol/L, p=0.02). Total energy intake in the two groups did not change significantly. There was a shift in the dietary pattern of the Textured Soybean Protein consumption group; lipid intake showed a significant decrease (p=0.001) and fiber intake increased by 6 g (p<0.001). The consumption of Textured Soybean Protein in the diet could have favorable effects in improving glycemic and lipid concentrations in T2DM patients.
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Affiliation(s)
- Ngoc Thi Ta
- Department of International Nutrition, Jumonji University Graduate School of Human Life Sciences
| | - Hien Thi Thu Ngo
- Department of International Nutrition, Jumonji University Graduate School of Human Life Sciences
| | - Phuong Mai Nguyen
- Department of International Nutrition, Jumonji University Graduate School of Human Life Sciences
| | - Thu Thi Truong
- Department of Food and Nutrition, Hai Duong Medical Technical University
| | - Giang Huong Nguyen
- Department of International Nutrition, Jumonji University Graduate School of Human Life Sciences
| | | | | | - Huong Thi LE
- Department of Nutrition, Hanoi Medical University Hospital
| | | | - Shigeru Yamamoto
- Department of International Nutrition, Jumonji University Graduate School of Human Life Sciences
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Yang X, Feng J, Zhu Q, Hong R, Li L. A Relation between Exopolysaccharide from Lactic Acid Bacteria and Properties of Fermentation Induced Soybean Protein Gels. Polymers (Basel) 2021; 14:polym14010090. [PMID: 35012112 PMCID: PMC8747248 DOI: 10.3390/polym14010090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/20/2022] Open
Abstract
Exopolysaccharide (EPS) producing lactic acid bacteria (LAB) is considered to be an effective texture improver. The effect of LAB strains (different EPS production capacity) on physicochemical properties (texture profile, water distribution, rheological properties, and microstructure), protein conformation, and chemical forces of soybean protein gel was investigated. Correlations between EPS yield and gel properties were established. Large masses of EPS were isolated from L. casei fermentation gel (L. casei-G, 677.01 ± 19.82 mg/kg). Gel with the highest hardness (319.74 ± 9.98 g) and water holding capacity (WHC, 87.74 ± 2.00%) was also formed with L. casei. The conversion of β-sheet to α-helix, the increased hydrophobic interaction and ionic bond helped to form an ordered gel network. The yield was positively correlated with hardness, WHC, A22, viscoelasticity, and viscosity, but negatively correlated with A23 (p < 0.05). The macromolecular properties of EPS (especially the yield) and its incompatibility with proteins could be explained as the main reason for improving gel properties. In conclusion, the EPS producing LAB, especially L. casei used in our study, is the best ordinary coagulate replacement in soybean-based products.
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Affiliation(s)
| | | | | | - Rui Hong
- Correspondence: (R.H.); (L.L.); Tel.: +86(0)-451-55190477 (R.H.); Fax: +86(0)-451-55190577 (R.H.)
| | - Liang Li
- Correspondence: (R.H.); (L.L.); Tel.: +86(0)-451-55190477 (R.H.); Fax: +86(0)-451-55190577 (R.H.)
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24
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Li W, Li H, Zhang Y, Zhang C, Zhang J, Liu X. Differences in the gut microbiota composition of rats fed with soybean protein and their derived peptides. J Food Sci 2021; 86:5452-5465. [PMID: 34730237 DOI: 10.1111/1750-3841.15948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 09/17/2021] [Accepted: 09/24/2021] [Indexed: 11/30/2022]
Abstract
Current studies regarding the effect of different nitrogen sources on gut microbiota have thus far disregarded the ability of probiotics and coliforms to compete for protein. This study aimed to investigate the differences in the utilization of soybean protein (SPro) and its derived peptides (SPep) by the gut microbiota of Sprague Dawley (SD) rats. The SPro and SPep prepared in this study showed extensive SPro molecular weight distribution, while that of SPep was minimal, ranging between 150 and 1000 Da and primarily consisting of two to five amino acids. The cecum microflora composition of the rats was determined via 16S rDNA amplicon sequencing, showing that the SPro and SPep significantly increased the abundance and uniformity of the gut microbiota after 35 days of feeding. The Firmicutes/Bacteroidetes (F/B) ratios of the SPep, SPro, and casein groups were 2.49 ± 0.60, 2.98 ± 1.12, and 2.59 ± 0.74, respectively. Although the rats fed with SPro and SPep displayed similar gut microbiome structures, SPep significantly promoted Lactobacillus and Phascolarctobacterium growth. The results showed that SPep significantly increased the diversity of the gut microbiota and elevated the probiotic proportion. PRACTICAL APPLICATION: SPro and SPep are two nutritious and high-quality nitrogen sources. The results showed that SPro and SPep regulated the structure of gut microbiota in rats, and the effect of SPep was better. This study provides a theoretical basis for developing SPep functional foods able to regulate gut microbiota and maintain health.
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Affiliation(s)
- Wenhui Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
| | - He Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
| | - Yinxiao Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
| | - Chi Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
| | - Jian Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
| | - Xinqi Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University, Beijing, China
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25
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Jia Y, Leng Y, Cruz ALP, Bao CL, Bao B, Wu W, Wang P, Ma M. The Effect of Oral Nutritional Formula With Three Different Proteins on Type 2 Diabetes Mellitus in vivo. Front Nutr 2021; 8:680700. [PMID: 34621771 PMCID: PMC8490655 DOI: 10.3389/fnut.2021.680700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 08/05/2021] [Indexed: 11/16/2022] Open
Abstract
Oral nutritional (ON) products are an effective way to treat patients with type 2 diabetes mellitus (T2DM) whose gastrointestinal functions are normal. The influence of ON formula prepared with three different proteins on T2DM was studied. The hyperglycaemic mouse model using a high-fat diet (HFD) combined with an intraperitoneal injection of streptozotocin (STZ) was used to simulate T2DM. The study was done for 15 weeks using seven groups of mice: control group (CG, normal mice, and normal food), non-treated group (BG, diabetic mice, and normal food), positive control group (PG, diabetic mice, and HFD), soybean protein group (SPG, diabetic mice, and HFD), silkworm pupa protein group (SPPG, diabetic mice, and HFD), whey protein group (LPG, diabetic mice, and HFD), and whey protein combined with silkworm pupa protein group (LCSSPG, diabetic mice, and HFD). The plasma levels of total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) were analyzed on weeks 2, 10, 12, 14, and 15. The concentration of total protein (TP) and albumin (ALB) of the plasma was increased in SPG, SPPG, and PG comparing with BG (p < 0.05). The TC, TG, and LDL-C levels were decreased, and HDL-C level was increased in SPG, PG, SPPG, PG comparing with BG (p < 0.05). Blood glucose (BLG) levels were decreased 47, 34, 24, and 21% in SPG, LCSSPG, SPPG, and PG, respectively. While BLG was not significantly changed (p ≥ 0.05) in LG after 5 weeks of treatment. Overall, the data suggested that consumption of SP, SPP, LCSSPG Oral-formula may be beneficial for the treatment of T2DM.
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Affiliation(s)
- Ye Jia
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China
| | - Yue Leng
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China
| | | | - Chun Ling Bao
- East Hospital of Shanghai Sixth People's Hospital, Shanghai, China
| | - Bin Bao
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China
| | - Wenhui Wu
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China
| | - Peipei Wang
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China.,Tarim University, Xinjiang Production and Construction Corps Key Laboratory of Protection and Utilization of Biological Resourses in Tarim Basin, XinJiang, China
| | - Ming Ma
- Shanghai Ocean University, College of Food Science and Technology, Shanghai, China
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26
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Peng Y, Kyriakopoulou K, Ndiaye M, Bianeis M, Keppler JK, van der Goot AJ. Characteristics of Soy Protein Prepared Using an Aqueous Ethanol Washing Process. Foods 2021; 10:2222. [PMID: 34574332 DOI: 10.3390/foods10092222] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 11/17/2022] Open
Abstract
Currently, the predominant process for soy protein concentrate (SPC) production is aqueous ethanol washing of hexane-extracted soy meal. However, the use of hexane is less desired, which explains the increased interest in cold pressing for oil removal. In this study, cold-pressed soy meal was used as the starting material, and a range of water/ethanol ratios was applied for the washing process to produce SPCs. Washing enriched the protein content for the SPCs, regardless of the solvent used. However, we conclude that washing with water (0% ethanol) or solvents with a high water/ethanol ratio (60% and above) can be more advantageous. Washing with a high water/ethanol ratio resulted in the highest yield, and SPCs with the highest protein solubility and water holding capacity. The water-only washed SPC showed the highest viscosity, and formed gels with the highest gel strength and hardness among all the SPCs at a similar protein concentration. The variations in the functionality among the SPCs were attributed to protein changes, although the effects of non-protein constituents such as sugar and oil might also be important. Overall, the aqueous ethanol washing process combined with cold-pressed soy meal created SPCs comparable to commercial SPC in terms of composition, but with varied functionalities that are relevant for novel soy-food developments.
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27
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Bellaloui N, Mengistu A, Smith JR, Abbas HK, Accinelli C, Shier WT. Effects of Charcoal Rot on Soybean Seed Composition in Soybean Genotypes That Differ in Charcoal Rot Resistance under Irrigated and Non-Irrigated Conditions. Plants (Basel) 2021; 10:1801. [PMID: 34579334 PMCID: PMC8470747 DOI: 10.3390/plants10091801] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/20/2021] [Accepted: 08/24/2021] [Indexed: 11/17/2022]
Abstract
Charcoal rot is a major disease of soybean (Glycine max) caused by Macrophomina phaseolina and results in significant loss in yield and seed quality. The effects of charcoal rot on seed composition (seed protein, oil, and fatty acids), a component of seed quality, is not well understood. Therefore, the objective of this research was to investigate the impact of charcoal rot on seed protein, oil, and fatty acids in different soybean genotypes differing in their charcoal rot susceptibility under irrigated and non-irrigated conditions. Two field experiments were conducted in 2012 and 2013 in Jackson, TN, USA. Thirteen genotypes differing in charcoal rot resistance (moderately resistant and susceptible) were evaluated. Under non-irrigated conditions, moderately resistant genotypes showed either no change or increased protein and oleic acid but had lower linolenic acid. Under non-irrigated conditions, most of the susceptible genotypes showed lower protein and linolenic acid but higher oleic acid. Most of the moderately resistant genotypes had higher protein than susceptible genotypes under irrigated and non-irrigated conditions but lower oil than susceptible genotypes. The different responses among genotypes for protein, oil, oleic acid, and linolenic acid observed in each year may be due to both genotype tolerance to drought and environmental conditions, especially heat differences in each year (2012 was warmer than 2013). This research showed that the increases in protein and oleic acid and the decrease in linolenic acid may be a possible physiological mechanism underlying the plant's responses to the charcoal rot infection. This research further helps scientists understand the impact of irrigated and non-irrigated conditions on seed nutrition changes, using resistant and susceptible genotypes.
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Affiliation(s)
- Nacer Bellaloui
- Crop Genetics Research Unit, USDA, Agricultural Research Service, 141 Experiment Station Road, Stoneville, MS 38776, USA;
| | - Alemu Mengistu
- Crop Genetics Research Unit, USDA, Agricultural Research Service, Jackson, TN 38301, USA;
| | - James R. Smith
- Crop Genetics Research Unit, USDA, Agricultural Research Service, 141 Experiment Station Road, Stoneville, MS 38776, USA;
| | - Hamed K. Abbas
- Biological Control of Pests Research Unit, USDA, Agricultural Research Service, 59 Lee Road, Stoneville, MS 38776, USA;
| | - Cesare Accinelli
- Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Viale Fanin 44, 40127 Bologna, Italy;
| | - W. Thomas Shier
- Department of Medicinal Chemistry, College of Pharmacy, University of Minnesota, 308 Harvard Street, SE, Minneapolis, MN 55455, USA;
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28
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Almeida RMRG, Pimentel WRO, Santos-Rocha MSR, Buffo MM, Farinas CS, Ximenes EA, Ladisch MR. Protective effects of non-catalytic proteins on endoglucanase activity at air and lignin interfaces. Biotechnol Prog 2021; 37:e3134. [PMID: 33591633 DOI: 10.1002/btpr.3134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 11/09/2022]
Abstract
The manner in which added non-catalytic proteins during enzymatic hydrolysis of lignocellulosic substrates enhances hydrolysis mechanisms is not completely understood. Prior research has indicated that a reduction in the non-specific adsorption of enzymes on lignin, and deactivation of enzymes exposed to air-liquid interface provide rationale. This work investigated root causes including effects of the air-liquid interface on non-catalytic proteins, and effects of lignin on endoglucanase. Three different experimental designs and three variables (air-liquid interfacial area, the types of lignin (acid or enzymatic lignin), and the presence of non-enzymatic protein (bovine serum albumin [BSA] or soy proteins ) were used. The results showed that acid isolated lignin adsorbed almost all endoglucanase activity initially present in supernatant, independent of air interface conditions (25 or 250 ml flasks) with the presence of BSA preventing this effect. Endoglucanase lost 30%-50% of its activity due to an air-liquid interface in the presence of lignin while addition of non-enzymatic protein helped to preserve this enzyme's activity. Langmuir and Freundlich models applied to experimental data indicated that the adsorption increases with increasing temperature for both endoglucanase and BSA. Adsorption of the enzyme and protein were endothermic with an increase in entropy. These results, combined, show that hydrophobicity plays a strong role in the adsorption of both endoglucanase and BSA on lignin.
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Affiliation(s)
| | | | | | - Mariane M Buffo
- Graduate Program of Chemical Engineering Federal University of Sao Carlos, Sao Carlos, Sao Paulo, Brazil
| | - Cristiane Sanchez Farinas
- Graduate Program of Chemical Engineering Federal University of Sao Carlos, Sao Carlos, Sao Paulo, Brazil.,Embrapa Instrumentação, São Carlos, São Paulo, Brazil
| | - Eduardo A Ximenes
- Laboratory of Renewable Resources Engineering-Department of Agricultural Biological Engineering Purdue University, West Lafayette, Indiana, USA
| | - Michael R Ladisch
- Laboratory of Renewable Resources Engineering-Department of Agricultural Biological Engineering Purdue University, West Lafayette, Indiana, USA
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29
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Watanabe H, Akiyama H, Osawa N, Imura K, Iseki N, Ueda S, Masaoka T, Akaboshi C. [Effect of Cooking and Processing on Quantitation of Soybean Proteins]. Shokuhin Eiseigaku Zasshi 2021; 62:193-202. [PMID: 34955470 DOI: 10.3358/shokueishi.62.193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We examined the effects of cooking and processing on the quantitation of soy protein in various soy-based foods. For the phosphate-buffered saline (PBS) extraction, the total protein content was measured by bicinchoninic acid assay, and the buffer extraction containing sodium dodecyl sulfate (SDS) and 2-mercaptoethanol (ME) was measured by the 2-D Quant Kit, and SDS-polyacrylamide gel electrophoresis analysis (SDS-PAGE) of each extraction was performed. Furthermore, measurements were performed by various ELISAs. During the tofu cooking process, the protein concentrations of soaked soybeans and Seigo (soybean homogenized with water) fluctuated- the change in protein solubility due to the amount of water during sample homogenization was considered to be a factor. It was thought that the decrease in protein concentration due to heating of Seigo during soymilk production was considered to indicate thermal denaturation of the protein, and that SDS and ME extraction in tofu may affect the measurement system. In cooking excluding roasted beans, proteins with a mass of 50 kDa or above and around 20 kDa were denatured, and in twice-fried tofu, proteins around 40 kDa were denatured, but the protein concentration excluding boiled soybeans did not decreased. Furthermore, the protein concentration from roasted beans, yuba, roasted okara and fried tofu increased with the cooking time, suggesting that the denaturation temperature of the protein shifted to a high temperature as the water content decreased. Both of the two types of ELISAs that comply with the official labeling system of foods containing allergenic substances were useful for detecting soybean protein by detecting proteins and peptides in processed soybean products, fermented foods excluding natto, and health foods.
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Affiliation(s)
| | | | - Nobuhiko Osawa
- Previous address Kawasaki City Institute for Public Health
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30
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Cong Y, Li Y, Li L. Immunoglobulin E and immunoglobulin G cross-reactive allergens and epitopes between cow milk α S1-casein and soybean proteins. J Dairy Sci 2020; 103:9815-9824. [PMID: 32896409 DOI: 10.3168/jds.2020-18250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 06/15/2020] [Indexed: 12/30/2022]
Abstract
Some infants allergic to cow milk-based formula are also sensitive to soybean-based formula. This paper aimed to explore the association of IgE and IgG cross-reactivity between αS1-casein in cow milk (CM) and soybean proteins. The IgE and IgG cross-reactive allergens and epitopes were identified using sera from infants allergic to CM or mice monoclonal antibodies. The AA sequence alignment was performed using bioinformatics software. Finally, the digestion and heating stability of the cross-reactive allergen were explored by sodium dodecyl sulfate (SDS)-PAGE and Western blotting. The results showed that the IgE and IgG cross-reactive allergen was α subunit of β-conglycinin named Gly m Bd 60K. The IgE and IgG epitopes were the sequences at AA 319-341 and AA 164-182. No intact Gly m Bd 60K allergen could be observed after 2 min in simulated gastric fluid by SDS-PAGE. Heating did not change IgE and IgG cross-reactivity by Western blotting. Therefore, the existence of cross-reactivity between CM αS1-casein and soybean proteins possibly contributes to the frequently observed cosensitization for these allergens in cow milk-allergic patients. The same IgE- and IgG-binding epitopes of cross-reactive allergens may provide important information for elucidation of the association between IgG and IgE antibody generation.
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Affiliation(s)
- Yanjun Cong
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food and Health, Beijing Technology and Business University, Beijing 100048, P. R. China.
| | - Ye Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food and Health, Beijing Technology and Business University, Beijing 100048, P. R. China
| | - Linfeng Li
- Department of Dermatology, Beijing Friendship Hospital, Beijing 100050, P. R. China
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31
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Pan D, Hao L, Li J, Yi J, Kang Q, Liu X, Lu L, Lu J. An innovative method to enhance protease tolerance of nisin in endogenous proteases. J Dairy Sci 2020; 103:3038-3044. [PMID: 32037169 DOI: 10.3168/jds.2019-17396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 09/26/2019] [Indexed: 11/19/2022]
Abstract
Nisin, a natural peptide produced by Lactococcus lactis cultivation in milk whey, is widely used as a preservative in industrial production. However, nisin can be degraded by endogenous enzymes in foods. In this study, we investigated the antibacterial activity of nisin-soybean protein and nisin-egg white protein and compared them with that of free nisin in cantaloupe juice, which was used as a model of endogenous protease environment. Results showed that endogenous proteases in the model resulted in a loss of nisin activity, but combining nisin with protein (soybean or egg white) resulted in greater protection of its antimicrobial activity by inhibiting endogenous proteases. The microbial addition experiment (Staphylococcus aureus and Micrococcus luteus) and preservation experiment in the food model showed that the antibacterial activity of nisin combined with either of the 2 proteins was higher than that of nisin alone in an endogenous protease environment. In summary, soybean protein and egg white protein improved the protease tolerance of nisin, expanding the application scope of nisin in food.
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Affiliation(s)
- Dan Pan
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Limin Hao
- The Quartermaster Research Institute of Engineering and Technology, Academy of Military Sciences PLA China, Beijing 100010, China
| | - Jingjing Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Juanjuan Yi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Qiaozhen Kang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Xin Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Laizheng Lu
- Zhengzhou Mindtek Biological Co. Ltd., Zhengzhou, Henan, 450001, China
| | - Jike Lu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, 450001, China.
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32
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Zhang H, Duan Y, Feng Y, Wang J. Transepithelial Transport Characteristics of the Cholesterol- Lowing Soybean Peptide, WGAPSL, in Caco-2 Cell Monolayers. Molecules 2019; 24:E2843. [PMID: 31387268 PMCID: PMC6696373 DOI: 10.3390/molecules24152843] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/18/2019] [Accepted: 07/22/2019] [Indexed: 11/16/2022] Open
Abstract
Recent studies have shown that soybean protein and its peptides have cholesterol-lowering activities. However, it is not clear whether these peptides could overcome physiological barriers, such as phase II metabolism in gastrointestinal tract and poor permeability, to reach the blood stream in its intact form. Therefore, the transepithelial transport characteristics of soybean peptide Trp-Gly-Ala-Pro-Ser-Leu (WGAPSL) with cholesterol- lowering activity were investigated in Caco-2 cells. In this study; the transepithelial absorption of WGAPSL was studied using human intestinal Caco-2 cell monolayers. The results showed that WGAPSL had good stability (83.9% ±1.98%) after simulated gastric and intestinal digestion. During the apical (AP) side to basolateral (BL) side transport, WGAPSL was absorbed intact through Caco-2 cell monolayers with apparent permeability coefficient (Papp) values of 4.4 × 10-8 to 1.2 × 10-8 cm/s. Cytochalasin D loosened the tight junctions of Caco-2 cell monolayers and significantly (p < 0.05) improved the transport process. Sodium azide, wortmannin, and Gly-Pro had minimal effects on transport, demonstrating that the major transport route of WGAPVL was paracellular via tight junctions. Finally, LC-MS analysis showed that Gly-Ala-Pro (GAP) was the important part for the intact absorption of WGAPVL and Trp (W) was the most unstable amino acid residue.
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Affiliation(s)
- Huijuan Zhang
- Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Yawen Duan
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Yulin Feng
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China
| | - Jing Wang
- Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing 100048, China.
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33
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Cheng Y, Zhang Y, Pei R, Xie Y, Yao W, Guo Y, Qian H. Fast Detection of Bismerthiazol in Cabbage Based on Fluorescence Quenching of Protein-Capping Gold Nanoclusters. ANAL SCI 2018; 34:415-419. [PMID: 29643303 DOI: 10.2116/analsci.17p347] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this work, bismerthiazol was firstly assayed by a fast and portable method employing protein-capping gold nanoculsters as probes. The luminescent intensity of the nanoclusters showed a correlative response towards bismerthiazol from 5 to 4000 μg/mL with a linear relation in the range of 5 - 100 μg/mL. As little as 5 μg/mL of bismerthiazol could be quantified. The high affinity of bismerthiazol to interact with the soybean protein-capped gold nanoclusters contributed to the excellent selectivity of this method over other common pesticides. The recoveries in several cabbage samples were 101 - 135%, indicating good performance in practical applications. By comparison to previous reported approaches, this method bears advantages including simple operation, fast response, visual readout and good selectivity.
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Affiliation(s)
- Yuliang Cheng
- State Key Laboratory of Food Science and Technology, Jiangnan University
| | - Yao Zhang
- School of Food Science and Technology, Jiangnan University
| | - Renjun Pei
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences
| | - Yunfei Xie
- State Key Laboratory of Food Science and Technology, Jiangnan University
| | - Weirong Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University
| | - Yahui Guo
- School of Food Science and Technology, Jiangnan University
| | - He Qian
- State Key Laboratory of Food Science and Technology, Jiangnan University
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34
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Saneyasu T, Shindo H, Honda K, Kamisoyama H. The Extract of Soybean Protein Increases Slow-Myosin Heavy Chain Expression in C2C12 Myotubes. J Nutr Sci Vitaminol (Tokyo) 2018; 64:296-300. [PMID: 30175795 DOI: 10.3177/jnsv.64.296] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Skeletal muscle is composed of four types of fibers in mammals; oxidative slow-twitch type I, oxidative fast-twitch IIA, and glycolytic fast-twitch IIB and IIX/D. In this study using C2C12 myotubes, an extract of soybean protein significantly upregulated mRNA level of myosin heavy chain 7 (Myh7), the predominant isoform expressed in oxidative slow-twitch type I and downregulated mRNA levels of Myh4, the predominant isoform expressed in glycolytic fast-twitch IIB. Similarly, its hydrolysate prepared using digestive enzyme also significantly increased Myh7 expression. In contrast, no significant change was observed in Myh4 mRNA level after the hydrolysate treatment. These findings suggest that dietary intake of the soybean protein extract may increase oxidative slow-twitch fiber in skeletal muscle.
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Affiliation(s)
| | - Haruka Shindo
- Graduate School of Agricultural Science, Kobe University
| | - Kazuhisa Honda
- Graduate School of Agricultural Science, Kobe University
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Yang H, Li X, Gao J, Tong P, Yang A, Chen H. Germination-Assisted Enzymatic Hydrolysis Can Improve the Quality of Soybean Protein. J Food Sci 2017; 82:1814-1819. [PMID: 28631814 DOI: 10.1111/1750-3841.13782] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 05/08/2017] [Accepted: 05/13/2017] [Indexed: 11/28/2022]
Abstract
This study aimed to investigate the effects of combined germination and Alcalase hydrolysis on the quality of soybean protein. Protein profiles, water solubility, foaming and emulsifying properties, thixotropic properties, and in vitro protein digestibility (IVPD) were tested, the chemical score (CS), essential amino acid index (EAAI), and protein efficiency ratio (PER) of soybean protein were also defined. The combined treatment of germination and Alcalase hydrolysis remarkably improved the solubility, emulsification activity index, emulsion stability index, and foaming capacity of soybean protein. Notably, a decrease in foaming stability was detected. The electrophoretic profile showed a weak breakdown of soybean protein during germination. However, a strong breakdown of protein was observed after the hydrolysis with Alcalase. The combined treatment also decreased the CS and EAAI of soybean protein, but only by 18%. Meanwhile, the IVPD and PER of soybean protein were significantly improved. Moreover, the protein of the germinated and hydrolyzed soybean flour demonstrated better swallowing properties. These findings indicated that the combined treatment of germination and enzymatic hydrolysis can improve the quality of soybean protein.
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Affiliation(s)
- Hui Yang
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
- Food Science College, Shenyang Agricultural Univ., Shenyang, 110000, China
| | - Xin Li
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
- School of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
| | - Jinyan Gao
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
- School of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
| | - Ping Tong
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
| | - Anshu Yang
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
- Sino-German Joint Research Inst., Nanchang Univ., Nanchang, 330047, China
| | - Hongbing Chen
- State Key Laboratory of Food Science and Technology, Nanchang Univ., Nanchang, 330047, China
- Sino-German Joint Research Inst., Nanchang Univ., Nanchang, 330047, China
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Samoto M, Fukuda Y, Takahashi K, Tabuchi K, Hiemori M, Tsuji H, Ogawa T, Kawamura Y. Substantially Complete Removal of Three Major Allergenic Soybean Proteins (Gly m Bd 30K, Gly m Bd 28K, and the α-Subunit of Conglycinin) from Soy Protein by Using a Mutant Soybean, Tohoku 124. Biosci Biotechnol Biochem 1997; 61:2148-50. [PMID: 27396895 DOI: 10.1271/bbb.61.2148] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A wild-type soybean contains three major allergenic proteins, Gly m Bd 30K, the α-subunit of conglycinin, and Gly m Bd 28K. A genetically mutated soybean (Tohoku 124), which was originally developed as a cultivar lacking the α- and α'-subunits of conglycinin, was also found to lack Gly m Bd 28K from immunoblot analysis using monoclonal antibodies specific to Gly m Bd 28K. This finding indicates the possibility to prepare soy milk and soy proteins containing none of the three major allergenic soybean proteins from this cultivar. By applying the previous removal procedure [Samoto et al., Biosci. Biotech. Biochem., 60, 1911-1913 (1996)] to Tohoku 124, the substantially complete removal of the three major allergenic proteins from the soy milk was attained. The removal rates of Gly m Bd 30K, α-subunit of conglycinin, and Gly m Bd 28K were 99.8, 100, and 100%, respectively.
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Cui C, Zhao M, Yuan B, Zhang Y, Ren J. Effect of pH and pepsin limited hydrolysis on the structure and functional properties of soybean protein hydrolysates. J Food Sci 2013; 78:C1871-7. [PMID: 24279931 DOI: 10.1111/1750-3841.12309] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 10/05/2013] [Indexed: 12/16/2023]
Abstract
Effects of limited enzymatic hydrolysis with pepsin on the functional properties and structure characteristics of soybean proteins were investigated. Hydrolysates with different incubation time (10 to 900 min) were prepared. Results showed that SPI hydrolyzed for 60 min exhibited the best emulsibility and the ability of resisting freezing/thawing. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis proved that pepsin can degrade glycinin but had little effect on the α' subunit of β-conglycinin. The structure unfolding reached the largest extent after incubation for 60 min and the soluble and flexible aggregates were formed. After 120 min, glycinin was degraded totally and β-conglycinin formed insoluble aggregates. Moreover, 2 methods were applied for the deactivation of pepsin to obtain final hydrolysates at pH 2.0 and 7.0, respectively. The structure analysis revealed that the unfolding extent and structure characteristic were different in these 2 conditions. When adjusting the pH value from 2.0 to 7.0, the unfolding protein molecular would reaggregate again at pH 7.0 due to the charge neutralization, and the hydrodynamic diameter and λmax absorbance decreased compared to pH 2.0. Moreover, some of the insoluble aggregates formed at pH 2.0 became soluble at pH 7.0, because of the salt-in phenomenon.
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Affiliation(s)
- Chun Cui
- College of Light Industry and Food Sciences, South China Univ. of Technology, Guangzhou 510640, China
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