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Liang S, Gao Y, Granato D, Ye JH, Zhou W, Yin JF, Xu YQ. Pruned tea biomass plays a significant role in functional food production: A review on characterization and comprehensive utilization of abandon-plucked fresh tea leaves. Compr Rev Food Sci Food Saf 2024; 23:e13406. [PMID: 39030800 DOI: 10.1111/1541-4337.13406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/18/2024] [Accepted: 06/21/2024] [Indexed: 07/22/2024]
Abstract
Tea is the second largest nonalcoholic beverage in the world due to its characteristic flavor and well-known functional properties in vitro and in vivo. Global tea production reaches 6.397 million tons in 2022 and continues to rise. Fresh tea leaves are mainly harvested in spring, whereas thousands of tons are discarded in summer and autumn. Herein, pruned tea biomass refers to abandon-plucked leaves being pruned in the non-plucking period, especially in summer and autumn. At present, no relevant concluding remarks have been made on this undervalued biomass. This review summarizes the seasonal differences of intrinsic metabolites and pays special attention to the most critical bioactive and flavor compounds, including polyphenols, theanine, and caffeine. Additionally, meaningful and profound methods to transform abandon-plucked fresh tea leaves into high-value products are reviewed. In summer and autumn, tea plants accumulate much more phenols than in spring, especially epigallocatechin gallate (galloyl catechin), anthocyanins (catechin derivatives), and proanthocyanidins (polymerized catechins). Vigorous carbon metabolism induced by high light intensity and temperature in summer and autumn also accumulates carbohydrates, such as soluble sugars and cellulose. The characteristics of abandon-plucked tea leaves make them not ideal raw materials for tea, but suitable for novel tea products like beverages and food ingredients using traditional or hybrid technologies such as enzymatic transformation, microbial fermentation, formula screening, and extraction, with the abundant polyphenols in summer and autumn tea serving as prominent flavor and bioactive contributors.
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Affiliation(s)
- Shuang Liang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ying Gao
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, China
| | - Daniel Granato
- Bioactivity and Applications Lab, Department of Biological Sciences, School of Natural Sciences Faculty of Science and Engineering, University of Limerick, Limerick, Ireland
| | - Jian-Hui Ye
- Zhejiang University Tea Research Institute, Hangzhou, China
| | - Weibiao Zhou
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Jun-Feng Yin
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, China
| | - Yong-Quan Xu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou, China
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Günal-Köroğlu D, Lorenzo JM, Capanoglu E. Plant-Based Protein-Phenolic Interactions: Effect on different matrices and in vitro gastrointestinal digestion. Food Res Int 2023; 173:113269. [PMID: 37803589 DOI: 10.1016/j.foodres.2023.113269] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/09/2023] [Accepted: 07/11/2023] [Indexed: 10/08/2023]
Abstract
This review summarizes the literature on the interaction between plant-based proteins and phenolics. The structure of the phenolic compound, the plant source of proteins, matrix properties (pH, temperature), and interaction mechanism (covalent and non-covalent) change the secondary structure, ζ-potential, surface hydrophobicity, and thermal stability of proteins as well as their functional properties including solubility, foaming, and emulsifying properties. Studies indicated that the foaming and emulsifying properties may be affected either positively or negatively according to the type and concentration of the phenolic compound. Protein digestibility, on the other hand, differs depending on (1) the phenolic concentration, (2) whether the food matrix is solid or liquid, and (3) the state of the food-whether it is heat-treated or prepared as a mixture without heat treatment in the presence of phenolics. This review comprehensively covers the effects of protein-phenolic interactions on the structure and properties of proteins, including functional properties and digestibility both in model systems and real food matrix.
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Affiliation(s)
- Deniz Günal-Köroğlu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey.
| | - Jose Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Avd. Galicia 4, Parque Tecnológico de Galicia, 32900 Ourense, Spain.
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey.
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Wang X, Li W, Mahsa GC, Zhang C, Ma K, Rui X, Li W. Co-cultivation effects of Lactobacillus helveticus SNA12 and Kluveromyces marxiensis GY1 on the probiotic properties, flavor, and digestion in fermented milk. Food Res Int 2023; 169:112843. [PMID: 37254417 DOI: 10.1016/j.foodres.2023.112843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 04/03/2023] [Accepted: 04/12/2023] [Indexed: 06/01/2023]
Abstract
This study aimed to evaluate inoculating the lactic acid bacteria Lactobacillus helveticus SNA12 and the yeast Kluyveromyces marxiensis GY1 as starter cultures on milk fermentation. In this study, the probiotic properties of L. helveticus SNA12, K. marxiensis GY1 and co-culture of these two strains (L. helveticus SNA12-K. marxiensis GY1) were investigated, and the results showed that K. marxiensis GY1 had better gastrointestinal tolerance, aggregation, and cell adhesion properties than L. helveticus SNA12. After the co-cultivation of two strains, the presence of K. marxiensis GY1 significantly increased the gastrointestinal tolerance, aggregation, and adhesion characteristics of L. helveticus SNA12. In order to investigate the flavor changes, digestive characteristics, and antioxidant properties following co-cultivation fermentation, the optimal fermentation ratio of 8 %-2% (v/v) and fermentation temperature (37 °C) of L. helveticus SNA12-K. marxiensis GY1 were determined. The results of the electronic nose and electronic tongue showed that L. helveticus SNA12-K. marxiensis GY1 could increase the aroma components of fermented milk, such as terpenes and aromatic substances. Meanwhile, dynamic in vitro rat stomach-duodenum model was used to analyse the changes in the digestion of proteins and peptides (<10 kDa), and the results indicated that co-cultivation fermented milk could be digested faster compared to a single fermentation. Furthermore, the antioxidant capacity of co-cultivation fermented milk was higher than that of single fermentation.
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Affiliation(s)
- Xiaomeng Wang
- Sanya Institute of Nanjing Agricultural University, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenpei Li
- Sanya Institute of Nanjing Agricultural University, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ghahvechi Chaeipeima Mahsa
- Sanya Institute of Nanjing Agricultural University, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Changliang Zhang
- Jiangsu Biodep Biotechnology Co., Ltd., Jiangyin, Jiangsu 214400, PR China
| | - Kai Ma
- Jiangsu Biodep Biotechnology Co., Ltd., Jiangyin, Jiangsu 214400, PR China
| | - Xin Rui
- Sanya Institute of Nanjing Agricultural University, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Li
- Sanya Institute of Nanjing Agricultural University, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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4
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Van De Walle S, Broucke K, Baune MC, Terjung N, Van Royen G, Boukid F. Microalgae protein digestibility: How to crack open the black box? Crit Rev Food Sci Nutr 2023; 64:7149-7171. [PMID: 38975868 DOI: 10.1080/10408398.2023.2181754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Microalgae are booming as a sustainable protein source for human nutrition and animal feed. Nevertheless, certain strains were reported to have robust cell walls limiting protein digestibility. There are several disruption approaches to break down the cell integrity and increase digestive enzyme accessibility. This review's intent is to discuss the digestibility of microalgae proteins in intact cells and after their disruption. In intact single cells, the extent of protein digestibility is chiefly related to cell wall structural properties (differing among strains) as well as digestion method and when added to food or feed protein digestibility changes depending on the matrix's composition. The degree of effectiveness of the disruption method varies among studies, and it is complicated to compare them due to variabilities in digestibility models, strains, disruption method/conditions and their consequent impact on the microalgae cell structure. More exhaustive studies are still required to fill knowledge gaps on the structure of microalgal cell walls and to find efficient and cost-effective disruption technologies to increase proteins availability without hindering their quality.
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Affiliation(s)
- Simon Van De Walle
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Melle, Belgium
| | - Keshia Broucke
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Melle, Belgium
| | | | - Nino Terjung
- German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Geert Van Royen
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Melle, Belgium
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Khalifa I, Lorenzo JM, Bangar SP, Morsy OM, Nawaz A, Walayat N, Sobhy R. Effect of the non-covalent and covalent interactions between proteins and mono- or di-glucoside anthocyanins on β-lactoglobulin-digestibility. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107952] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Bioactivity of Organic Fermented Soymilk as Next-Generation Prebiotic/Probiotics Mixture. FERMENTATION 2022. [DOI: 10.3390/fermentation8100513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fermented soymilk (soymilk yogurt) was made by fermenting soymilk with five probiotic bacterial strains (Lactobacillus plantarum ATCC 14917, Lactobacillus casei DSM 20011, Lactobacillus acidophilus ATCC 20552, Lactococcus thermophilus DSM 20259, and Bifidobacterium longum B41409) that were used as monocultures and combined with them as consortia cultures. Seven pathogenic strains, E. coli O157H7, S. aureus As4, S. typhimurium As3, S. shigae As2, L. monocytogenes As1, P. aeruginosa ATCC 27853, and B. cereus Dsmz 345, were used to study the antibacterial activity of fermented soymilk by agar well diffusion assay. Results indicated that Gram-negative pathogenesis was more sensitive to probiotic cultures than Gram-positive pathogenesis. E. coli O15H7, S. typhimirium As3, and Shigella shigae As2 were more sensitive to probiotic cultures, presenting inhibition zone diameters (IZA) ranging from 10 to 20 mm, 12 to 16 mm, and 10 to 16 mm, respectively. At the same time, P. aeruginosa Atcc 27853 showed the lowest (IZA), ranging from 3 mm to 8 mm. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were determined at various concentrations of soymilk fermented by T1, T4, and T5, ranging from 0.031 mg/mL to 1 mg/mL against pathogenic bacterial strains. The sensory properties of FSM were evaluated, and sensory analysis during soymilk fermentation showed significant improvement. The effect of shelf life (storage period) on FSM quality and properties was evaluated; during shelf life (storage period), FSM saved its properties and quality after 28 days of cold storage. Finally, it was stated that the soymilk yogurt can be used as a substitute for buffalo and cow milk for therapeutic feeding in the future.
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Hui T, Tang T, Gu X, Yuan Z, Xing G. Comparison on Protein Bioaccessibility of Soymilk Gels Induced by Glucono-δ-Lactone and Lactic Acid Bacteria. Molecules 2022; 27:molecules27196202. [PMID: 36234732 PMCID: PMC9571249 DOI: 10.3390/molecules27196202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 12/01/2022] Open
Abstract
In this study, the protein bioaccessibility of soymilk gels produced by the addition of glu-cono-δ-lactone (GDL) and fermentation with lactic acid bacteria (LAB) was examined using an in vitro gastrointestinal simulated digestion model. The in vitro protein digestibility, soluble protein content, free amino acids contents, degree of hydrolysis, electrophoretic patterns, and peptide content were measured. The results suggested that acid-induced soymilk gel generated by GDL (SG) showed considerably reduced in vitro protein digestibility of 75.33 ± 1.00% compared to the soymilk gel induced by LAB (SL) of 80.57 ± 1.53% (p < 0.05). During the gastric digestion stage, dramatically higher (p < 0.05) soluble protein contents were observed in the SG (4.79−5.05 mg/mL) than that of SL (4.31−4.35 mg/mL). However, during the later intestinal digestion phase, the results were the opposite. At the end of the gastrointestinal digestion phase, the content of small peptides was not significantly different (p > 0.05) between the SL (2.15 ± 0.03 mg/mL) and SG (2.17 ± 0.01 mg/mL), but SL showed higher content of free amino acids (20.637 g/L) than that of SG (19.851 g/L). In general, soymilk gel induced by LAB had a higher protein bioaccessibility than the soymilk gel coagulated by GDL.
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Affiliation(s)
- Tianran Hui
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
- Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA
| | - Ting Tang
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Xuan Gu
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Zhen Yuan
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
| | - Guangliang Xing
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China
- Correspondence:
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Peptidomics insights into the interplay between the pre-digestion effect of mixed starters and the digestive pattern of sausage proteins. Food Res Int 2022; 162:111963. [DOI: 10.1016/j.foodres.2022.111963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/14/2022] [Accepted: 09/18/2022] [Indexed: 11/20/2022]
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9
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Ge G, Zhao J, Zheng J, Zhou X, Zhao M, Sun W. Green tea polyphenols bind to soy proteins and decrease the activity of soybean trypsin inhibitors (STIs) in heated soymilk. Food Funct 2022; 13:6726-6736. [PMID: 35661183 DOI: 10.1039/d2fo00316c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The interaction between epigallocatechin gallate (EGCG) and soy proteins at room temperature (25 °C) and after heating at 100 and 121 °C, and their effects on the inactivation of soybean trypsin inhibitors (STIs) in soymilk were investigated. The results of the nitroblue tetrazolium (NBT) staining assay showed that soy proteins can covalently bind to EGCG. The α/α' and A subunits in heated soymilk preferred to bind to EGCG because of their soluble state. More thiols were trapped when EGCG was added before thermal processing, and the free amino groups were depleted more with EGCG addition after heating. Circular dichroism and fluorescence spectroscopy showed that EGCG addition before or after heating induced different secondary and tertiary structural changes for soy proteins. The exposed aromatic amino acids preferred to react with EGCG before protein aggregation in the heating process. The random coil of soymilk proteins increased more when EGCG was added in soymilk after heating, resulting in more disordered structures in protein conformation. The binding between EGCG and soy proteins promoted protein aggregation, which was confirmed by the particle size distribution and gel electrophoresis. The trypsin and chymotrypsin inhibitory activity (TIA and CIA) in soymilk significantly reduced to 693 U mL-1 and 613 U mL-1, respectively, under the conditions of 2 mM EGCG addition after 100 °C heating for 10 min (p < 0.05). Consequently, the influence of EGCG on STI inactivation in soymilk only worked when EGCG was added after heating.
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Affiliation(s)
- Ge Ge
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China.
| | - Jinsong Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China.
| | - Jiabao Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China.
| | - Xuesong Zhou
- Guangzhou Honsea Industry Co., Ltd, Guangzhou, 510530, China
| | - Mouming Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China.
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China
| | - Weizheng Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China.
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
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10
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Hui T, Xing G. Effect of Transglutaminase Pre-Crosslinking Treatment Incorporated with Glucono-δ-lactone on the Physicochemical and Digestive Properties of Tofu. Polymers (Basel) 2022; 14:polym14122364. [PMID: 35745940 PMCID: PMC9228220 DOI: 10.3390/polym14122364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 05/29/2022] [Accepted: 06/09/2022] [Indexed: 02/01/2023] Open
Abstract
This study evaluated the effect of transglutaminase (TGase) pre-crosslinking treatment on the physicochemical and digestive characteristics of tofu coagulated by glucono-δ-lactone (GDL). Results showed that certain TGase pre-crosslinking times (0.5, 1, 2 and 3 h) could promote the colloidal stability of soymilk with increased particle average sizes and absolute values of zeta potential. Particularly, the water holding capacity and gel strength of tofu pre-crosslinked by TGase for 2 h were 6.8% and 47.7% enhancement, respectively, compared to the control, and exhibited the highest score of overall acceptability. However, extensive pre-crosslinking by TGase for 3 h had an adverse impact on the sensory of tofu with poor firmness, rough structure and whey separation. Hence, the tofu gel pre-crosslinked by TGase for 2 h and then coagulated by GDL was recommended which showed a "slow release" mode of soluble proteins during the in vitro digestion phase, and had more chances to release bioactive peptides than soymilk.
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Affiliation(s)
- Tianran Hui
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China;
- Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA
| | - Guangliang Xing
- School of Biology and Food Engineering, Changshu Institute of Technology, Changshu 215500, China;
- Correspondence:
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Nutritional quality of protein flours of fava bean (Vicia faba L.) and in vitro digestibility and bioaccesibility. Food Chem X 2022; 14:100303. [PMID: 35450143 PMCID: PMC9018142 DOI: 10.1016/j.fochx.2022.100303] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/28/2022] [Accepted: 04/04/2022] [Indexed: 11/23/2022] Open
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12
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Zhao Y, Zhu Y, Qin G, Pan L, Sun H, Bao N, Hasham MM, Farouk MH. Physicochemical properties of dietary protein as predictors for digestibility or releasing percentage of amino acids in monogastrics under in-vitro conditions. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2048975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yuan Zhao
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Yaru Zhu
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Guixin Qin
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Li Pan
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Hui Sun
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Nan Bao
- Key Laboratory of Animal Production, Product Quality and Security, Ministry of Education, Jilin Provincial Key Laboratory of Animal Nutrition and Feed Science, College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Mostafa Mohamed Hasham
- Department of Agronomy, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Mohammed Hamdy Farouk
- Animal Production Department, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt
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Wang Q, Tang Y, Yang Y, Lei L, Lei X, Zhao J, Zhang Y, Li L, Wang Q, Ming J. The interaction mechanisms, and structural changes of the interaction between zein and ferulic acid under different pH conditions. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107251] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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14
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Ge G, Zhao J, Zheng J, Zhao M, Sun W. Pepsin Diffusivity and In Vitro Gastric Digestion of Soymilk as Affected by Binding of Tea Polyphenols to Soy Proteins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:11043-11052. [PMID: 34499500 DOI: 10.1021/acs.jafc.1c04705] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
This study aimed to investigate the effect of tea polyphenol extract (TPE) on the in vitro gastric digestion of soymilk. Fluorescence recovery after photobleaching was applied to measure pepsin diffusivity in soymilk. The characteristics of soymilk digesta were evaluated by gel electrophoresis, degree of hydrolysis (DH), molecular weight distribution, free amino acid analysis, particle size, antioxidant capacity, and trypsin/chymotrypsin inhibitor activity (TIA/CIA). The binding between soy proteins and tea polyphenols could significantly impair in vitro gastric digestion of soymilk by decreasing pepsin diffusivity from 91.3 to 70.3 μm2/s and DH from 17.13 to 13.93% with 1.2 mg/g TPE addition. Soymilk with 0.6 mg/g TPE addition exhibited low TIA/CIA and a strong antioxidant capacity in gastric digesta, which might be good for the following intestinal digestion. A better understanding of the effect of polyphenol on the digestion of protein-based food may be beneficial to innovation in food manufacturing.
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Affiliation(s)
- Ge Ge
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Jie Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Jiabao Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Mouming Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China
| | - Weizheng Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China
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15
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López-Ibarra C, Ruiz-López FDJ, Bautista-Villarreal M, Báez-González JG, Rodríguez Romero BA, González-Martínez BE, López-Cabanillas Lomelí M, Vázquez-Rodríguez JA. Protein Concentrates on Tepary Bean ( Phaseolus acutifolius Gray) as a Functional Ingredient: In silico Docking of Tepary Bean Lectin to Peroxisome Proliferator-Activated Receptor Gamma. Front Nutr 2021; 8:661463. [PMID: 34136517 PMCID: PMC8200398 DOI: 10.3389/fnut.2021.661463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/19/2021] [Indexed: 11/13/2022] Open
Abstract
The tepary bean (Phaseolus acutifolius Gray) is a US-Mexico frontier native crop, produces high yields in agriculture, and needs to be reconsidered because of its nutritional and functional properties. This study aimed to determine the technological and nutritional properties of flours and protein concentrates of tepary bean, besides determining an in silico agonist effect of tepary bean lectin to peroxisome proliferator-activated receptor gamma (PPAR-γ). We evaluated the technological properties of raw samples (tepary flour and tepary protein concentrate) and cooked samples (tepary flour and tepary protein concentrate). The flours present a significant difference (p < 0.05) concerning protein concentrates in water absorption and oil absorption capacity. The raw samples' emulsifying capacity was higher than that reported in the literature for other legumes, but not the cooked samples. The samples' foaming capacity had no significant difference in treatments (p > 0.05), and cooked tepary bean protein concentrate presented complete gelation at a lower concentration (2%). Nutritionally, raw samples present a protein percentage of 23.46 ± 0.06 and 71.38 ± 0.44 and cooked samples present a protein percentage of 25.27 ± 0.04 and 62.69 ± 0.14; a chemical score of 72, 86, 82, and 72; in vitro protein digestibility (%) = 48.20 ± 0.31, 49.80 ± 0.80, 61.77 ± 1.70, and 63.61 ± 4.19; and C-PER = 0.86, 1.34, 1.93, and 1.81, respectively. All the samples showed methionine + cysteine as the limiting amino acid. All these nutritional data are very similar to the common bean (Phaseolus vulgaris). SDS-PAGE preserves the lectin fraction in both protein concentrates. The in silico study of tepary lectin (PDB: 6tt9) shows that there were seven peptides that presented values below -120 kcal/mol: PEW, VSVGF, PSQK, TTPW, ATSF, ITY, and TSF, with VSVGF, PSQK, and PEW having the highest affinity for active sites of the PAPRγ receptor (binding energies from -5.32 to -7.04 kcal/mol). These peptides could show antiadipogenic or antidiabetic activity based on the intermolecular bond energies and open an interesting research item.
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Affiliation(s)
- Cristina López-Ibarra
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Felipe de Jesús Ruiz-López
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Minerva Bautista-Villarreal
- Departamento de Alimentos, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Juan Gabriel Báez-González
- Departamento de Alimentos, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Beatriz Adriana Rodríguez Romero
- Centro de Investigación y Desarrollo en la Industria Alimentaria, Facultad de Agronomía, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Blanca Edelia González-Martínez
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Manuel López-Cabanillas Lomelí
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Jesús Alberto Vázquez-Rodríguez
- Laboratorio de Alimentos, Centro de Investigación en Nutrición y Salud Pública, Facultad de Salud Pública y Nutrición, Universidad Autónoma de Nuevo León, Monterrey, Mexico
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16
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Feng JY, Thakur K, Ni ZJ, Zhu YY, Hu F, Zhang JG, Wei ZJ. Effects of okara and vitamin B 2 bioenrichment on the functional properties and in vitro digestion of fermented soy milk. Food Res Int 2021; 145:110419. [PMID: 34112422 DOI: 10.1016/j.foodres.2021.110419] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/03/2021] [Accepted: 05/11/2021] [Indexed: 01/29/2023]
Abstract
Due to highly nutritious and well-known prebiotic nature, okara (soy by-product) can improve the physiological benefits of probiotic consumption by enhancing the physicochemical stability and bioavailability of bacteria and metabolites, partially in food matrices and then in gastrointestinal tract. Initially, vitamin B2 producing probiotic Lactobacillus plantarum UFG10 was immobilized with 4% okara for soy milk fermentation. SEM micrographs showed firm adherence of UFG10 to okara surface depicting efficient immobilization. Soy milk fermented with okara immobilized UFG10 showed enhanced β-glucosidase activity, stimulating the biotransformation of isoflavones from glucosides (daidzin, from 27.78 to 9.84 μg/mL; genistin, from 32.58 to 8.33 μg/mL) to aglycones (daidzein, from 0.19 to 30.84 μg/mL; genistein, from 1.42 to 33.10 μg/mL) and higher B2 production (1.53 μg/mL, 12 h) confirmed by HPLC. Okara addition and B2 enrichment could yield relatively higher antioxidant strength than control soy milk. PLSR correlation revealed the effects of okara and B2 on the functional properties of soy milk. After okara immobilization, soy milk showed higher soy protein digestibility after in vitro digestion for 225 min, higher aggregation, and lower protein molecular chains, qualitatively confirmed with Atomic force microscope. Okara immobilized bacterial cells exhibited relatively greater resistance up to 55.1% (p < 0.05) in simulated GIT, indicating okara as an ideal substrate for an efficient immobilization which ultimately improved the fate of soy B2 and protein bioaccessibility and functional products such as isoflavones for micro structural design of soy milk with improved nutrition and digestibility.
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Affiliation(s)
- Jing-Yu Feng
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Kiran Thakur
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Zhi-Jing Ni
- Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Yun-Yang Zhu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China.
| | - Fei Hu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Jian-Guo Zhang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
| | - Zhao-Jun Wei
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, People's Republic of China; Collaborative Innovation Center for Food Production and Safety, School of Biological Science and Engineering, North Minzu University, Yinchuan 750021, People's Republic of China.
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17
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Xing G, Giosafatto CVL, Fusco A, Dong M, Mariniello L. Combined lactic fermentation and enzymatic treatments affect the antigenicity of β-lactoglobulin in cow milk and soymilk-cow milk mixture. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Zhou X, Sun H, Tan F, Yi R, Zhou C, Deng Y, Mu J, Zhao X. Anti-aging effect of Lactobacillus plantarum HFY09-fermented soymilk on D-galactose-induced oxidative aging in mice through modulation of the Nrf2 signaling pathway. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104386] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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19
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Zhang Z, Fu Y, Liu Q, Simpson BK, Azarpazhooh E, Dong M, Rui X. Effect of lactic fermentation on soy protein digestive pattern assessed by an in vitro dynamic gastrointestinal digestion model and the influence on human faecal microbiota. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:871-879. [PMID: 32729126 DOI: 10.1002/jsfa.10694] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 07/12/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The aim of this study was to investigate the effect of lactic fermentation on soy protein gastrointestinal digestive pattern and the influence of protein digesta on human faecal microbiota. Soymilk and soy yogurt were prepared in this study and a novel in vitro dynamic gastrointestinal model was employed to simulate gastric and duodenum digestions. Particle size, sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE), and peptide content were monitored at the end of duodenum tract. RESULTS Ingestion of soy yogurt allowed a rapid drop in pH from 7.0 to 5.0 at simulated duodenal digestion (0-30 min), and resulted in a loss in soluble protein content compared to that of soymilk. The electrophoretic pattern between soymilk and soy yogurt exerted distinctive differences at early stages of duodenal digestion (0-60 min) and resulted in different peptide contents (180 min). Soy yogurt duodenal digesta collected at 180 min (D180), by co-fermentation with human intestinal flora distribution, allowed a higher population in Bifidobacterium spp., Lactobacillus/Enterococcus spp. and Streptococcus/Lactococcus spp., whereas soy yogurt D30 resulted in lower population in Clostridium and Escherichia coli compared to samples co-fermented with soymilk digesta. CONCLUSION The results demonstrated lactic fermentation of soy protein modulated human intestinal microflora and might relate to the different protein digestive behaviours. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Ziyu Zhang
- College of Food Science and Technology, Nanjing Agricultural University,1 WeiGang, Nanjing, 210095, P. R. China
| | - Yumeng Fu
- College of Food Science and Technology, Nanjing Agricultural University,1 WeiGang, Nanjing, 210095, P. R. China
| | - Qi Liu
- Department of Information Engineering, Nanjing Institute of Mechatronic Technology, Nanjing, P. R. China
| | - Benjamin K Simpson
- Department of Food Science and Agricultural Chemistry, McGill University, Macdonald, QC, Canada
| | - Elham Azarpazhooh
- Khorasan Razavi Agricultural and Natural Resources Research and Education Centre, Agricultural Research Education and Extension Organization (AREEO), Mashhad, Iran
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University,1 WeiGang, Nanjing, 210095, P. R. China
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University,1 WeiGang, Nanjing, 210095, P. R. China
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20
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Shen Z, Liu Z, Rui X, Chen X, Jiang M, Dong M. Effects of fat content on the textural and in vivo buccal breakdown properties of soy yogurt. J Texture Stud 2021; 52:334-346. [PMID: 33438754 DOI: 10.1111/jtxs.12584] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 01/03/2023]
Abstract
This study aimed to evaluate the effects of fat content on the textural and in vivo buccal breakdown properties of soy yogurt (SY) at different pH (5.4, 5.0, and 4.6). The microbial analysis, textural and rheological properties, and interfacial protein composition of all the samples were monitored. Microbial results suggested that the increased fat content in SY-5.0 and SY-4.6 resulted in significantly high viable cell counts of lactic acid bacteria (LAB). Textural studies demonstrated that the presence of a low fat content (1-3%) significantly reduced the hardness, springiness, and gumminess of the sample, but this effect was negligible with the addition of fat content (4-5%). The apparent viscosity and thixotropy of the SY-4.6 sample increased as the fat content increased. in vivo buccal digestion showed that a high fat content (2-4%) reduced the number of chews and chewing durations, which might be correlated with high oil droplet release (%) after mastication.
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Affiliation(s)
- Zhuang Shen
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
| | - Zhen Liu
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
| | - Xiaohong Chen
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
| | - Mei Jiang
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Jiangsu Province, P.R. China
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21
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Khalifa I, Zhu W, Nawaz A, Li K, Li C. Microencapsulated mulberry anthocyanins promote the in vitro-digestibility of whey proteins in glycated energy-ball models. Food Chem 2020; 345:128805. [PMID: 33310260 DOI: 10.1016/j.foodchem.2020.128805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 11/29/2020] [Accepted: 11/30/2020] [Indexed: 12/20/2022]
Abstract
The effects of mulberry anthocyanins (MAs) on the digestibility of whey proteins (WP) in freshly-prepared and stored energy balls were studied. Results showed that MAs increased digestibility of the energy balls by increasing their hydrolysis-degree, soluble peptides-fractions, and decreasing their particle's size and agglomeration. To understand the mechanism of the promoting and/or inhibiting digestive effects of MAs, secondary structure alterations and binding of WP-MAs-mixtures were therefore measured. Results revealed that MAs could noncovalently/covalently interact with WP and form WP-MAs-adducts. This interaction seemed to be responsible for the alterations in the secondary structure of WP which could promote the digestibility of the energy balls subsequently. MAs also partially unfolded the structure of digested-WP through fluctuating their α-helix and β-sheet. It was concluded that the unfolding in WP-structure induced by MAs-interactions might increase accessibility of the peptide bonds to the digestive enzymes and consequentially facilitate the protein's digestibility in the energy balls.
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Affiliation(s)
- Ibrahim Khalifa
- Food Technology Department, Faculty of Agriculture, 13736, Moshtohor, Benha University, Egypt
| | - Wei Zhu
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Food Science (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China
| | - Asad Nawaz
- Jiangsu Key Laboratory of Crop Genetics and Physiology, Key Laboratory of Plant Functional Genomics of the Ministry of Education, College of Agriculture, Yangzhou University, Yangzhou 225009, China
| | - Kaikai Li
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Food Science (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China
| | - Chunmei Li
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Food Science (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China.
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22
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Xing G, Giosafatto CVL, Carpentieri A, Pasquino R, Dong M, Mariniello L. Gelling behavior of bio-tofu coagulated by microbial transglutaminase combined with lactic acid bacteria. Food Res Int 2020; 134:109200. [DOI: 10.1016/j.foodres.2020.109200] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 03/21/2020] [Accepted: 03/26/2020] [Indexed: 12/23/2022]
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23
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Zhou SD, Lin YF, Xu X, Meng L, Dong MS. Effect of non-covalent and covalent complexation of (−)-epigallocatechin gallate with soybean protein isolate on protein structure and in vitro digestion characteristics. Food Chem 2020; 309:125718. [DOI: 10.1016/j.foodchem.2019.125718] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/12/2019] [Accepted: 10/15/2019] [Indexed: 12/14/2022]
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24
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Huang Z, Xing G, Tu C, Rui X, Dong M. Effect of
Premna microphylla
turcz leaves’ extract addition on physicochemical and antioxidant properties of packed tofu by lactic fermentation. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14506] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Zhihai Huang
- College of Food Science and Technology Nanjing Agricultural University Nanjing210095Jiangsu Province China
| | - Guangliang Xing
- College of Food Science and Technology Nanjing Agricultural University Nanjing210095Jiangsu Province China
- School of Biology and Food Engineering Changshu Institute of Technology Changshu215500Jiangsu Province China
| | - Chuanhai Tu
- College of Food Science and Technology Nanjing Agricultural University Nanjing210095Jiangsu Province China
| | - Xin Rui
- College of Food Science and Technology Nanjing Agricultural University Nanjing210095Jiangsu Province China
| | - Mingsheng Dong
- College of Food Science and Technology Nanjing Agricultural University Nanjing210095Jiangsu Province China
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25
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Qian F, Zhang J, Hou K, Zhang Y, Wang Z, Luo P, Tuo Y. In vitro study of the antioxidative and antiproliferative capabilities of Lactobacillus casei 16-fermented soymilk. Food Sci Nutr 2020; 8:48-57. [PMID: 31993131 PMCID: PMC6977509 DOI: 10.1002/fsn3.1214] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/15/2019] [Accepted: 04/21/2019] [Indexed: 01/12/2023] Open
Abstract
In this study, soymilk was fermented with Lactobacillus casei 16. The contents of aglycone isoflavones, saponins, total phenolic, and free amino acid in the fermented soymilk, and the protection for the HepG2 cells against 2,2'-azobis(2-amidinopropane) dihydrochloride (ABAP) damage and the antiproliferative effects of the fermented soymilk on the HT-29 cells and Caco-2 cells were studied. The results showed that the levels of total phenolic, aglycone isoflavones, and free amino acids in the L. casei 16-fermented soymilk were enhanced. The ethanol extract and the water extract of the L. casei 16-fermented soymilk showed protection for HepG2 cells against ABAP damage and inhibited the proliferation of the HT-29 cells and Caco-2 cells, which may be attributed to the enhanced level of total phenolic, aglycone isoflavones, and free amino acids in the L. casei 16-fermented soymilk.
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Affiliation(s)
- Fang Qian
- School of food science and technologyDalian Polytechnic UniversityDalianChina
| | - Jiang Zhang
- School of food science and technologyDalian Polytechnic UniversityDalianChina
| | - Kairong Hou
- School of food science and technologyDalian Polytechnic UniversityDalianChina
| | - Yuqing Zhang
- School of food science and technologyDalian Polytechnic UniversityDalianChina
| | - Zifei Wang
- NHC Key Laboratory of Food Safety Risk AssessmentChina National Center for Food Safety Risk AssessmentBeijingChina
| | - Pengjie Luo
- NHC Key Laboratory of Food Safety Risk AssessmentChina National Center for Food Safety Risk AssessmentBeijingChina
| | - Yanfeng Tuo
- School of food science and technologyDalian Polytechnic UniversityDalianChina
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26
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Structural characterization of soybean milk particles during in vitro digestive/non-digestive simulation. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.03.086] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Xing G, Giosafatto CVL, Rui X, Dong M, Mariniello L. Microbial transglutaminase-mediated polymerization in the presence of lactic acid bacteria affects antigenicity of soy protein component present in bio-tofu. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.12.035] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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28
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Rui X, Zhang Q, Huang J, Li W, Chen X, Jiang M, Dong M. Does lactic fermentation influence soy yogurt protein digestibility: a comparative study between soymilk and soy yogurt at different pH. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:861-867. [PMID: 30006936 DOI: 10.1002/jsfa.9256] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 07/06/2018] [Accepted: 07/10/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Lactic acid bacteria fermentation allows soymilk to form a yogurt-like product accompanied by protein acidic coagulation. It is not known whether the coagulation of soy protein during fermentation influences protein digestibility when ingested. In the present study, soymilk (pH 6.3) and soy yogurt (SY) at different pH (6.0, 5.7, 5.4 and 5.1) were subjected to in vitro gastrointestinal digestion (GIS) and a comparison study was conducted. RESULTS Lactic fermentation allowed the pH of soymilk to reduce gradually to 5.1 in 330.0 min. A decline in pH resulted in the volume-weighted mean diameters D[4,3] and D[v,90] increasing from 0.81 to 97 µm and 1.82 to 273 µm, respectively. Predominant proteins lost their solubility between pH 6.0 and 5.7. Application of GIS allowed SY samples, especially SY-5.7, SY-5.4 and SY-5.1, to reveal particles with a predominant peak at approximately 10 µm and also lower soluble proteins compared to soymilk, with reduction percentages of 18%, 28% and 43%. The cleavage pattern of soy protein during GIS was scarcely affected by the sample pH. However, a lower quantity of the band at 33.9 kDa was found in SY-5.7, SY-5.4 and SY-5.1. CONCLUSION The results of the present study demonstrate that lactic fermentation altered soy protein digestibility. With the process of protein coagulation, SY-5.7, 5.4 and 5.1 had a lower bioaccessible protein content compared to that of soymilk. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Qiuqin Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Jin Huang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Wei Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Xiaohong Chen
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Mei Jiang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
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Qing S, Zhang Q, Li W, Azarpazhooh E, Simpson BK, Rui X. Effects of different satiety levels on the fate of soymilk protein in gastrointestinal digestion and antigenicity assessed by an in vitro dynamic gastrointestinal model. Food Funct 2019; 10:7855-7864. [DOI: 10.1039/c9fo01965k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effects of different satiety levels on soymilk protein digestion and antigenicity have been evaluated by an in vitro dynamic gastrointestinal model.
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Affiliation(s)
- Shuting Qing
- College of Food Science and Technology
- Nanjing Agricultural University
- P R China
| | - Qiuqin Zhang
- College of Food Science and Technology
- Nanjing Agricultural University
- P R China
| | - Wei Li
- College of Food Science and Technology
- Nanjing Agricultural University
- P R China
| | - Elham Azarpazhooh
- Khorasan Razavi Agricultural and Natural Resources Research and Education Center
- AREEO
- Mashhad
- Iran
| | - Benjamin K. Simpson
- Department of Food Science and Agricultural Chemistry
- Macdonald Campus
- McGill University
- QC
- Canada
| | - Xin Rui
- College of Food Science and Technology
- Nanjing Agricultural University
- P R China
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