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Tay JU, Oh JLE, Lu Y, Antipina MN, Zhou W, Huang D. 3D printing of prawn mimics with faba proteins: The effects of transglutaminase and curdlan gum on texture. Int J Biol Macromol 2024; 274:133235. [PMID: 38901514 DOI: 10.1016/j.ijbiomac.2024.133235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 06/04/2024] [Accepted: 06/15/2024] [Indexed: 06/22/2024]
Abstract
With its capability for automated production of high-resolution structures, 3D printing can develop plant-based seafood mimics with comparable protein content. However, the challenge lies in solidifying 3D printed products to achieve the firmness of seafood. Targeting prawn, texturisation of its 3D printed mimic by curdlan gum was compared against incubation with a protein cross-linking enzyme, microbial transglutaminase. Faba bean protein extract (FBP) was selected for its lightest colour. To confer structural stability to the FBP-based ink without hindering extrudability, adding 1 % xanthan gum was optimal. Printed curdlan-containing mimics were steamed for 9 min, while printed transglutaminase-containing mimics were incubated at 55 °C before steaming. Either adding 0.0625 % or 0.125 % w/w curdlan or, incubating the transglutaminase-containing mimics for an hour achieved chewiness of 818.8-940.6 g, comparable to that of steamed prawn (953.13 g). Curdlan hydrogel penetrated and reinforced the FBP network as observed under confocal imaging. Whereas incubation of transglutaminase-containing mimics enhanced microstructural connectivity, attributable to transglutaminase-catalysed isopeptide cross-linkages, and the consequent increase in disulfide bonding and β-sheet. Ultimately, transglutaminase treatment appeared more suitable than curdlan, as it yielded mimics with cutting strength comparable to steamed prawn. Both demonstrated promising potential to broaden the variety of 3D printed seafood mimics.
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Affiliation(s)
- Jingxin Uma Tay
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore; Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Nanos, Singapore 138669, Singapore
| | - Justin Li-Ern Oh
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Yuyun Lu
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore
| | - Maria N Antipina
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 31 Biopolis Way, Nanos, Singapore 138669, Singapore.
| | - Weibiao Zhou
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore; National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
| | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, 2 Science Drive 2, Singapore 117542, Singapore; National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu 215123, China.
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2
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Romano A, De Luca L, Romano R. Effects of germination time on the structure, functionality, flavour attributes, and in vitro digestibility of green Altamura lentils ( Lens culinaris Medik.) flour. Food Funct 2024; 15:3539-3551. [PMID: 38465882 DOI: 10.1039/d3fo05758e] [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: 03/12/2024]
Abstract
There has been an increase in the use of adoptable bioprocessing methods for the development of high-quality leguminous ingredients. The potential use of germinated green Altamura lentils as a food ingredient is closely related to the resulting properties. The objective of this study was to evaluate the impact of three germination times - 0 (C), 24 (G) and 48 (H) hours - on the physicochemical, microstructural, flavour, functional, and nutritional features of lentil flour samples (CF, GF and HF). Lentil flour samples were obtained by grinding both whole green seeds (C) and germinated seeds (G and H), and then sifting them to obtain a particle size < 300 μm. The germinated samples - GF (24 h) and HF (48 h) - exhibited differences (P < 0.05) in the physicochemical and bioactive properties of CF (control). Similarly, compared with those in the control sample, the total starch, amylose and total phenolic contents in the GF and HF samples decreased, while the protein content increased (p < 0.05). A decrease in the presence of intact starch granules was observed via SEM in the germinated samples. The germination time had a significant (P < 0.05) effect on the colour indices, L*, a*, and b* of the samples. Flavour attributes were significantly influenced by the germination time. Overall, a total of 14 (CF) and 17 (GF and HF) aromatic compounds were identified. The technological characteristics of the CF, GF and HF dough samples were studied using a Brabender farinograph. Germination time affects the flour properties, leading to a significant decrease in farinographic parameters such as water absorption (WA), dough development time (DT), and dough stability (DS) and an increase in the degree of dough weakening (DOS). Differential scanning calorimetry was employed to examine the gelatinization transition of the samples. Germination strongly influenced all the thermal properties of the samples. It also had a significant impact on the in vitro starch digestibility, starch fraction and glycaemic index (eGI) of the samples. In particular, the eGI of germinated lentils was lower than that of the CF. In conclusion, the germination time could be a key factor modulating some crucial lentil flour properties.
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Affiliation(s)
- Annalisa Romano
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici (Naples), Italy.
| | - Lucia De Luca
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici (Naples), Italy.
| | - Raffaele Romano
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici (Naples), Italy.
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Yaputri BP, Feyzi S, Ismail BP. Transglutaminase-Induced Polymerization of Pea and Chickpea Protein to Enhance Functionality. Gels 2023; 10:11. [PMID: 38247734 PMCID: PMC10815621 DOI: 10.3390/gels10010011] [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: 10/31/2023] [Revised: 12/01/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024] Open
Abstract
Pulse proteins, such as pea and chickpea proteins, have inferior functionality, specifically gelation, compared to soy protein, hindering their applications in different food products, such as meat analogs. To close the functionality gap, protein polymerization via targeted modification can be pursued. Accordingly, transglutaminase-induced polymerization was evaluated in pea protein isolate (PPI) and chickpea protein isolate (ChPI) to improve their functionality. The PPI and ChPI were produced following a scaled-up salt extraction coupled with ultrafiltration (SE-UF) process. Transglutaminase (TGase)-modified PPI and ChPI were evaluated in comparison to unmodified counterparts and to commercial protein ingredients. Protein denaturation and polymerization were observed in the TG PPI and TG ChPI. In addition, the TGase modification led to the formation of intermolecular β-sheet and β-turn structures that contributed to an increase in high-molecular-weight polymers, which, in turn, significantly improved the gel strength. The TG ChPI had a significantly higher gel strength but a lower emulsification capacity than the TG PPI. These results demonstrated the impact of the inherent differences in the protein fractions on the functional behavior among species. For the first time, the functional behavior of the PPI and ChPI, produced on a pilot scale under mild processing conditions, was comprehensively evaluated as impacted by the TGase-induced structural changes.
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Affiliation(s)
| | | | - Baraem P. Ismail
- Food Science and Nutrition Department, University of Minnesota, 1334 Eckles Ave., Saint Paul, MN 55108, USA; (B.P.Y.); (S.F.)
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4
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Properties and in vitro digestibility of a bread enriched with lentil flour at different leavening times. FOOD STRUCTURE 2022. [DOI: 10.1016/j.foostr.2022.100284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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5
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Zhao D, Wang Y, Xin Q, Miao Y, Zeng X, Shan K, Wu J, Li C. Influence of transglutaminase treatment on the digestibility of pork longissimus dorsi proteins. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Wang Y, Xin Q, Miao Y, Zeng X, Li H, Shan K, Nian Y, Zhao D, Wu J, Li C. Interplay between transglutaminase treatment and changes in digestibility of dietary proteins. Food Chem 2022; 373:131446. [PMID: 34715626 DOI: 10.1016/j.foodchem.2021.131446] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/13/2021] [Accepted: 10/18/2021] [Indexed: 01/14/2023]
Abstract
The changes in digestibility of TG-treated myofibrillar protein (MP), soybean protein isolate (SPI) and mixed proteins were evaluated by measuring liberation of primary amino groups, monitoring structural changes and investigating peptide fingerprints. TG treatment generally increased gastric digestion of treated proteins, possibly due to the structural changes occurred during TG treatment. In contrast, the initial intestinal digestion was suppressed by TG treatment. Compared with MP, the digestibility and peptide composition of SPI were affected by TG treatment to a larger degree, possibly due to the higher level of glutamine in SPI. Peptidomics analysis indicated that the changes in peptide composition of digests of TG-treated samples were related with the loss of Lys residues during TG treatment. Larger quantities of bioactive peptides KIEFEQFLPM, EVHEPEEKPRPK and TVKEDQVFPMNPPK were released after digestion of TG-treated MP. These results highlighted the complex and substantial influence of TG treatment on the digestibility of dietary proteins.
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Affiliation(s)
- Yuxuan Wang
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Qipu Xin
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yujia Miao
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xianming Zeng
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Hao Li
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Kai Shan
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Yingqun Nian
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Di Zhao
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China.
| | - Juqing Wu
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China.
| | - Chunbao Li
- Key Laboratory of Meat Processing and Quality Control, MOE, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Key Laboratory of Meat Products Processing, MOA, Nanjing Agricultural University, Nanjing 210095, PR China
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Gallo V, Romano A, Miralles B, Ferranti P, Masi P, Santos-Hernández M, Recio I. Physicochemical properties, structure and digestibility in simulated gastrointestinal environment of bread added with green lentil flour. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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TGase-induced glycosylated soy protein products with limited enzymatic hydrolysis showed enhanced foaming property. Eur Food Res Technol 2021. [DOI: 10.1007/s00217-021-03815-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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9
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Yang X, Jiang S, Li L. The gel properties and gastric digestion kinetics of a novel lactic acid bacteria fermented tofu: Focusing on the effects of transglutaminase. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.110998] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Glusac J, Isaschar-Ovdat S, Fishman A. Transglutaminase modifies the physical stability and digestibility of chickpea protein-stabilized oil-in-water emulsions. Food Chem 2020; 315:126301. [DOI: 10.1016/j.foodchem.2020.126301] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/30/2019] [Accepted: 01/26/2020] [Indexed: 12/19/2022]
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Giosafatto CVL, Fusco A, Al-Asmar A, Mariniello L. Microbial Transglutaminase as a Tool to Improve the Features of Hydrocolloid-Based Bioplastics. Int J Mol Sci 2020; 21:E3656. [PMID: 32455881 PMCID: PMC7279461 DOI: 10.3390/ijms21103656] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 11/17/2022] Open
Abstract
Several proteins from animal and plant origin act as microbial transglutaminase substrate, a crosslinking enzyme capable of introducing isopeptide bonds into proteins between the aminoacids glutamines and lysines. This feature has been widely exploited to modify the biological properties of many proteins, such as emulsifying, gelling, viscosity, and foaming. Besides, microbial transglutaminase has been used to prepare bioplastics that, because made of renewable molecules, are able to replace the high polluting plastics of petrochemical origin. In fact, most of the time, it has been shown that the microbial enzyme strengthens the matrix of protein-based bioplastics, thus, influencing the technological characteristics of the derived materials. In this review, an overview of the ability of many proteins to behave as good substrates of the enzyme and their ability to give rise to bioplastics with improved properties is presented. Different applications of this enzyme confirm its important role as an additive to recover high value-added protein containing by-products with a double aim (i) to produce environmentally friendly materials and (ii) to find alternative uses of wastes as renewable, cheap, and non-polluting sources. Both principles are in line with the bio-economy paradigm.
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Affiliation(s)
- C. Valeria L. Giosafatto
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
| | - Antonio Fusco
- Unità Operativa Struttura Complessa Medicina di Laboratorio, Presidio Ospedaliero Santa Maria di Loreto Nuovo, ASL Na1 Centro, 80145 Naples, Italy;
| | - Asmaa Al-Asmar
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
- Analysis, Poison control and Calibration Center (APCC), An-Najah National University, P.O. Box 7 Nablus, Palestine
| | - Loredana Mariniello
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
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12
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Niu F, Li M, Fan J, Kou M, Han B, Pan W. Structural characteristics and digestibility of bovine skin protein and corn starch extruded blend complexes. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2020; 57:1041-1048. [PMID: 32123425 DOI: 10.1007/s13197-019-04137-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/28/2019] [Accepted: 10/16/2019] [Indexed: 02/01/2023]
Abstract
The interaction mechanism and digestibility of bovine skin protein (BSP)/corn starch (CS) blend complexes prepared by single screw extrusion were investigated. The effects of temperature and BSP/CS ratios on the physicochemical properties of BSP/CS blend complexes were analyzed. The results showed that the BSP/CS blend complexes extruded at a ratio of 3:7 had higher bulk density, texture and RVA viscosity compared with that of 7:3 and 5:5. It was mainly because the CS improved the formation of BSP/CS gel network structure through the screw extrusion. BSP and CS achieved an optimal entanglement at this ratio, potentially making pets play longer. The interaction between the -COOH of CS and the -NH3 of BSP during the process of extrusion was detected. The micrograph of blend system at ratio of 5:5 showed looser and special mosaic structure compared with other ratios, and further led to greater digestion rate. So we can design products with digestibility or longer play time by adjusting different proportions.
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Affiliation(s)
- Fuge Niu
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
| | - Mengya Li
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
| | - Jiamei Fan
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
| | - Mengxuan Kou
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
| | - Beijing Han
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
| | - Weichun Pan
- Food Safety Key Lab of Zhejiang Province, The School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018 China
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13
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Campagna R, Romano A, Raiola A, Masi P, Toraldo G, Cavella S. Effects of UVC treatment on re-milled semolina dough and data — driven analysis of leavening process. FOOD AND BIOPRODUCTS PROCESSING 2020. [DOI: 10.1016/j.fbp.2019.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Impact of heat treatments on technological performance of re-milled semolina dough and bread. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108607] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Effects of Transglutaminase on the Protein Network and In Vitro Starch Digestibility of Asian Wheat Noodles. Foods 2019; 8:foods8120607. [PMID: 31766681 PMCID: PMC6963939 DOI: 10.3390/foods8120607] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 11/17/2022] Open
Abstract
Wheat noodles are a staple commonly consumed in Asia, but high intakes have been associated with type 2 diabetes due to its rapid starch digestibility. We hypothesised that protein network-binding via transglutaminase (TG) would form a stronger barrier encapsulating the starch granules to limit enzymatic access and digestion. The amount of glucose release decreased significantly with increasing TG concentration, with a reduction of approximately 16% with 2% TG after 120 min of digestion. The slower rate of glucose release during the first 60 min of digestion for 2% compared to 0% TG suggested impeded first stage enzymatic access rather than second stage starch hydrolysis into glucose. Upon increasing the TG concentration, confocal microscopy revealed a denser protein network with increased connectivity, supported by a decrease in protein solubility and gelatinisation enthalpy, and increased firmness and work of shear. Therefore, transglutaminase can potentially be used to reduce starch digestibility in wheat noodles via protein network-binding.
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16
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Structure and in vitro digestibility of grass pea (Lathyrus sativus L.) flour following transglutaminase treatment. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03305-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Effect of added enzymes and quinoa flour on dough characteristics and sensory quality of a gluten-free bakery product. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3072-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Gulati P, Sabillón L, Rose DJ. Effects of processing method and solute interactions on pepsin digestibility of cooked proso millet flour. Food Res Int 2018; 109:583-588. [DOI: 10.1016/j.foodres.2018.05.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 04/19/2018] [Accepted: 05/03/2018] [Indexed: 01/15/2023]
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19
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Shani-Levi C, Alvito P, Andrés A, Assunção R, Barberá R, Blanquet-Diot S, Bourlieu C, Brodkorb A, Cilla A, Deglaire A, Denis S, Dupont D, Heredia A, Karakaya S, Giosafatto CVL, Mariniello L, Martins C, Ménard O, El SN, Vegarud GE, Ulleberg E, Lesmes U. Extending in vitro digestion models to specific human populations: Perspectives, practical tools and bio-relevant information. Trends Food Sci Technol 2017. [DOI: 10.1016/j.tifs.2016.10.017] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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20
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Xing G, Rui X, Jiang M, Xiao Y, Guan Y, Wang D, Dong M. In vitro gastrointestinal digestion study of a novel bio-tofu with special emphasis on the impact of microbial transglutaminase. PeerJ 2016; 4:e2754. [PMID: 27994970 PMCID: PMC5162802 DOI: 10.7717/peerj.2754] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 11/04/2016] [Indexed: 11/23/2022] Open
Abstract
We have developed a novel bio-tofu, made from mixed soy and cow milk (MSCM), using Lactobacillus helveticus MB2-1 and Lactobacillus plantarum B1-6 incorporated with microbial transglutaminase (MTGase) as coagulant. MTGase was added to improve the textural properties and suit for cooking. However, the effect of MTGase on the digestion of mixed-protein fermented by lactic acid bacteria was unclear. This study aimed at evaluating the effect of MTGase on protein digestion of bio-tofu under simulated gastrointestinal digestion condition. The results showed that addition of MTGase could affect the particle size distribution, degree of hydrolysis, the content of soluble proteins and free amino acids. Based on the electrophoresis data, MTGase addition enhanced protein polymerization. During gastric and intestinal digestion process, proteins from bio-tofu were degraded into low molecular mass peptides. Our results suggested that incorporation of MTGase could lead to enzymatic modification of proteins of bio-tofu which may help in controlling energy intake and decrease the chance of food allergy.
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Affiliation(s)
- Guangliang Xing
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
| | - Xin Rui
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
| | - Mei Jiang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, P. R. China; Huai'an Academy of Nanjing Agricultural University, Huai'an, P. R. China
| | - Yu Xiao
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
| | - Ying Guan
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
| | - Dan Wang
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University , Nanjing , P. R. China
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