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Wu Y, Deng J, Xu F, Li X, Kong L, Li C, Sheng R, Xu B. The mechanism of Leuconostoc mesenteroides subsp. IMAU:80679 in improving meat color: Myoglobin oxidation inhibition and myoglobin derivatives formation based on multi enzyme-like activities. Food Chem 2023; 428:136751. [PMID: 37453392 DOI: 10.1016/j.foodchem.2023.136751] [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: 02/24/2023] [Revised: 06/04/2023] [Accepted: 06/26/2023] [Indexed: 07/18/2023]
Abstract
The Leuconostoc mesenteroides subsp. IMAU:80679 (LM) was chosen for its superior capability in enhancing redness, and was incubated in a broth system containing metmyoglobin (MetMb) to investigate its mechanisms for color improvement. The a* value of LM group reached its highest level of 52.75 ± 1.04 at 24 h, significantly higher than control of 19.75 ± 0.6 (p < 0.05). The addition of LM could inhibit myoglobin oxidation to some extent. Meanwhile, higher content of nitrosylmyoglobin (NOMb) and Zn-protoporphyrin (Znpp) were observed in LM samples during the whole incubation period. Furthermore, enzymatic activity and encoded genes related to MetMb reduction and pigment formation were determined to explain its possible mechanism on color enhancement. Finally, by extracting crude enzymes and adding them to meat batters, the redness of crude enzyme group was comparable to that achieved with 20 ppm nitrite, providing a potential method on compensating for nitrite/nitrate substitution in meat products.
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Affiliation(s)
- Ying Wu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Jieying Deng
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Feiran Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China; Anhui Qingsong Food Co., Ltd. No.28 Ningxi Road, Hefei 231299, China
| | - Xiaomin Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Lingjie Kong
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Cong Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China
| | - Rong Sheng
- Anhui Zhongqing Inspection and Testing Co., Ltd, Hefei 230093, China
| | - Baocai Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China; Engineering Research Center of Bio-process, Ministry of Education, Hefei University of Technology, Hefei 230601, China.
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Llauger M, Arnau J, Albano-Gaglio M, Bover-Cid S, Martín B, Bou R. Utilization of Porcine Livers through the Formation of Zn-Protoporphyrin Pigment Optimized by a Response Surface Methodology. Foods 2023; 12:foods12091903. [PMID: 37174439 PMCID: PMC10178239 DOI: 10.3390/foods12091903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
There is a growing demand for clean-label products. This study aimed to obtain a food-grade coloring ingredient for meat products based on the formation of Zn-protoporphyrin from porcine livers, thus contributing to the development of nitrite-free products. First, the effects of sodium disulfite and acetic, ascorbic, and lactic acids on the formation of Zn-protoporphyrin and the total microbial count were studied. The combination of ascorbic and acetic acids resulted in a higher Zn-protoporphyrin content than acetic acid alone, and microbial levels were maintained (ca. 3 log CFU/mL). Second, a response surface methodology was used to maximize Zn-protoporphyrin while maintaining microbiological food standards. To that end, the effects of pH (4.2-5.4), incubation time (3-30 h), and temperature (25-50 °C) were studied. The selected conditions for Zn-protoporphyrin formation involved anaerobic incubation at pH 4.8 and 45 °C for 24 h. The safety was validated through challenge testing for relevant pathogens (Listeria monocytogenes, Salmonella spp., and Clostridium perfringens). A significant reduction (>6 log units) was observed in the selected conditions for L. monocytogenes and Salmonella, whereas C. perfringens spores remained at the inoculated levels. The optimized procedure is proven to be microbiologically safe, and may improve the color of nitrite-free meat products.
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Affiliation(s)
- Mar Llauger
- Food Safety and Functionality Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
| | - Jacint Arnau
- Food Quality and Technology Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
| | - Michela Albano-Gaglio
- Food Quality and Technology Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
| | - Sara Bover-Cid
- Food Safety and Functionality Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
| | - Belén Martín
- Food Safety and Functionality Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
| | - Ricard Bou
- Food Quality and Technology Program, Institute of Agrifood Research and Technology (IRTA), Finca Camps i Armet s/n, 17121 Monells, Spain
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Yang Z, Liao G, Wan D, Kong W, Li C, Gu D, Pu Y, Ge C, Wang G. Combined application of high-throughput sequencing and LC-MS/MS-based metabolomics to evaluate the formation of Zn-protoporphyrin in Nuodeng ham. Food Res Int 2022; 162:112209. [DOI: 10.1016/j.foodres.2022.112209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
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4
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Zinc protoporphyrin IX predominantly exists as a complex non-enzymatically bound to apo-hemoglobin in Parma ham. Food Chem 2022; 395:133604. [DOI: 10.1016/j.foodchem.2022.133604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/27/2022] [Accepted: 06/27/2022] [Indexed: 11/19/2022]
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5
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Bou R, Llauger M, Arnau J, Olmos A, Fulladosa E. Formation of Zn-protoporphyrin during the elaboration process of non-nitrified serrano dry-cured hams and its relationship with lipolysis. Food Chem 2021; 374:131730. [PMID: 34920405 DOI: 10.1016/j.foodchem.2021.131730] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 11/24/2021] [Accepted: 11/27/2021] [Indexed: 11/30/2022]
Abstract
This study assessed the ZnPP content, heme content, salt content, and instrumental color in the biceps femoris and semimembranosus muscles during the elaboration of Serrano dry-cured ham manufactured without the addition of nitrate and nitrite for 15 months. The effects of lipolysis and lipid oxidation on the content of Zn-protoporphyrin were also investigated in the biceps femoris. We found that the maximum formation of Zn-protoporphyrin occurred between end of resting and 6 months of processing, which coincides with temperature increase during processing and the end of salt equalization. Zn-protoporphyrin further increased in the biceps femoris until 9 months of processing but remained unchanged in the semimembranosus. Free fatty acid content increased till 6 months and then remained unchanged until the end of the process. These findings and those from an in vitro study reinforced the idea that the release of free fatty acids can promote the activity of the endogenous enzyme ferrochelatase and contribute to the formation of Zn-protoporphyrin from heme. However, the content of Zn-protoporphyrin decreased at the end of the processing, which may be due to the progression of lipid oxidation.
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Affiliation(s)
- Ricard Bou
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Finca Camps i Armet s/n, 17121, Monells, Spain.
| | - Mar Llauger
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Finca Camps i Armet s/n, 17121, Monells, Spain
| | - Jacint Arnau
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Finca Camps i Armet s/n, 17121, Monells, Spain
| | - Alejandro Olmos
- Monte Nevado, C. San Ignacio, 6 Carbonero el Mayor 40270, Segovia, Spain
| | - Elena Fulladosa
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Finca Camps i Armet s/n, 17121, Monells, Spain
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6
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Water-extractable zinc protoporphyrin IX in Parma ham predominantly exists as complexes with hemoglobin and myoglobin. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Kauser-Ul-Alam M, Hayakawa T, Kumura H, Wakamatsu JI. High ZnPP-forming food-grade lactic acid bacteria as a potential substitute for nitrite/nitrate to improve the color of meat products. Meat Sci 2021; 176:108467. [PMID: 33640646 DOI: 10.1016/j.meatsci.2021.108467] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 02/08/2021] [Accepted: 02/13/2021] [Indexed: 11/29/2022]
Abstract
Zinc protoporphyrin IX (ZnPP)-forming food-grade lactic acid bacteria (LAB) were screened from various sources for their ability to improve the color of meat products. The effects of salt and nitrite on the ZnPP-forming ability of these bacteria were also investigated. Finally, these bacteria were applied in salt-added minced meat to assess their ability to improve the color. Twenty-five LAB were screened for their ZnPP-forming ability in pork. Most of the strains exhibited maximum growth anaerobically in 3% salt at 30 °C and grew well at pH 5.5 and 6.5. Moreover, 3% salt slightly retarded ZnPP formation; however, nitrite completely inhibited ZnPP formation in all the ZnPP-forming LAB. Thirteen LAB (avoiding duplication and non-food-grade) could form ZnPP in salt-added minced meat, resulting in improvement of the bright red color, high ZnPP autofluorescence, and increased fluorescence intensity. Finally, considering the safety, Lactobacillus plantarum, Lactococcus lactis subsp. cremoris, and Leuconostoc lactis were suggested as promising candidates to improve the color of meat products.
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Affiliation(s)
- Md Kauser-Ul-Alam
- Laboratory of Applied Food Science, Graduate School of Agriculture, Hokkaido University, Japan
| | - Toru Hayakawa
- Laboratory of Applied Food Science, Graduate School of Agriculture, Hokkaido University, Japan
| | - Haruto Kumura
- Laboratory of Applied Food Science, Graduate School of Agriculture, Hokkaido University, Japan
| | - Jun-Ichi Wakamatsu
- Laboratory of Applied Food Science, Graduate School of Agriculture, Hokkaido University, Japan.
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Coll-Brasas E, Possas A, Berg P, Grabež V, Egelandsdal B, Bover-Cid S, Fulladosa E. Physicochemical characterisation of restructured Fenalår and safety implications of salt and nitrite reduction. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Lactococcus lactis subsp. cremoris Produces Zinc Protoporphyrin IX Both Aerobically and Anaerobically and Improves the Bright Red Color of Fermented Meat Products. Foods 2020; 9:foods9111583. [PMID: 33142787 PMCID: PMC7692285 DOI: 10.3390/foods9111583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 10/27/2020] [Accepted: 10/30/2020] [Indexed: 11/16/2022] Open
Abstract
This study assessed the color improvement via zinc protoporphyrin IX (ZnPP) formation in nitrite-free, dry-cured sausages processed using five varieties of ZnPP-forming lactic acid bacteria (LAB). The ZnPP contents and color intensity of the sausages and other technological properties were analyzed during the processing of sausages. LAB count and acidity significantly increased in the LAB-inoculated sausages compared to the control group. The bright red color was observed both inside and outside the sausages inoculated with Lactococcus lactis subsp. cremoris and Leuconostoc lactis. However, a brown color was observed on the surface of the sausage inoculated with Lactobacillus spp. The redness of Lactococcus lactis subsp. cremoris-inoculated sausages was close to that of the nitrite-added group. Moreover, the external bright red color was improved by Lactococcus lactis subsp. cremoris due to the aerobic formation of ZnPP. Therefore, Lactococcus lactis subsp. cremoris can be used to improve the color of fermented meat products.
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Searching for high ZnPP-forming edible bacteria to improve the color of fermented meat products without nitrite/nitrate. Meat Sci 2020; 165:108109. [DOI: 10.1016/j.meatsci.2020.108109] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/06/2020] [Accepted: 03/06/2020] [Indexed: 11/18/2022]
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Bou R, Llauger M, Arnau J, Olmos A, Fulladosa E. Effects of post mortem pH and salting time on Zinc-protoporphyrin content in nitrite-free Serrano dry-cured hams. Food Res Int 2020; 133:109156. [PMID: 32466934 DOI: 10.1016/j.foodres.2020.109156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 03/02/2020] [Accepted: 03/07/2020] [Indexed: 10/24/2022]
Abstract
There is a growing demand for clean label products and thus the elimination of curing additives in various dry-cured meats is of interest while maintaining colour characteristics. This study was aimed to examine the effect of pH at 24 h post mortem (pHSM24h ≤ 5.4; 5.4 > pHSM24h < 5.9; pHSM24h ≥ 5.9) and salting time (standard vs reduced) on zinc-protoporphyrin content, heme content and other physicochemical parameters of Serrano dry-cured hams manufactured without the addition of curing agents. Results showed that in those hams with higher post mortem pH heme content was increased whereas ZnPP content and proteolysis index were decreased. Reduced salting time decreased salt content whereas ZnPP and heme contents remained unaffected. Lower post mortem pH and reduced salting time led to a higher content in various free fatty acids which, in turn, were found to correlate positively with ZnPP formation. However, the observed changes in heme and ZnPP contents had no effect on the instrumental color of the final product.
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Affiliation(s)
- Ricard Bou
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Monells, Finca Camps i Armet s/n, 17121, Spain.
| | - Mar Llauger
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Monells, Finca Camps i Armet s/n, 17121, Spain
| | - Jacint Arnau
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Monells, Finca Camps i Armet s/n, 17121, Spain
| | - Alejandro Olmos
- Monte Nevado, C. San Ignacio, 6 Carbonero el Mayor 40270, Segovia, Spain
| | - Elena Fulladosa
- Institut de Recerca i Tecnologia Agroalimentàries (IRTA), Food Technology, Monells, Finca Camps i Armet s/n, 17121, Spain
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Ghadiri Khozroughi A, Braga TW, Wagner J, Rawel H. Investigation of the post mortem zinc protoporphyrin IX fluorescence with respect to its protein-bound and unbound occurrence in aqueous meat extracts. Food Chem 2019; 283:462-467. [PMID: 30722899 DOI: 10.1016/j.foodchem.2019.01.080] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 01/05/2019] [Accepted: 01/07/2019] [Indexed: 01/19/2023]
Abstract
Zinc protoporphyrin IX (ZnPP) is known to accumulate in most meat products during storage. However, the pathway of its formation is not yet completely clarified. To gain more insights into the specificity of ZnPP occurrence, a SEC-HPLC-UV-fluorescence setup was established to screen the proteins in aqueous meat extracts for their ZnPP fluorescence during incubation. In accordance with previous studies it was identified by SDS-PAGE and MALDI-TOF-MS that ZnPP formation takes place in myoglobin. In this study, valuable new insights into the ZnPP forming pathway were gained, as our results indicated that a significant part of ZnPP - after being formed within the protein - is transitioned into free ZnPP during incubation. Additionally, the obtained results implied that ZnPP may also occur in proteins of higher molecular weight (>100 kDa).
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Affiliation(s)
| | | | - Janine Wagner
- Department of Food Science and Technology, Aristotle University of Thessaloniki, Greece
| | - Harshadrai Rawel
- Institute of Nutritional Science, University of Potsdam, Germany
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