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da Costa FKC, Carciofi BAM, de Aragão GMF, Ienczak JL. Modeling the influence of propionic acid concentration and pH on the kinetics of Salmonella Typhimurium. Int J Food Microbiol 2024; 416:110662. [PMID: 38461734 DOI: 10.1016/j.ijfoodmicro.2024.110662] [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: 06/11/2023] [Revised: 02/08/2024] [Accepted: 03/03/2024] [Indexed: 03/12/2024]
Abstract
Salmonella Typhimurium is a foodborne pathogen often found in the poultry production chain. Antibiotics have been used to reduce S. Typhimurium contamination in poultry aviaries and improve chicken growth. However, antibiotics were banned in several countries. Alternatively, organic acids, such as propionic acid (PA), can control pathogens. This study determined the PA minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and mathematically modeled S. Typhimurium growth/inactivation kinetics under the influence of PA at different pH values (4.5, 5.5, and 6.5) which are within the pH range of the chicken gastrointestinal tract. The PA MIC against S. Typhimurium was pH-dependent, resulting in 5.0, 3.5 and 9.0 mM undissociated PA at pH 4.5, 5.5, and 6.5, respectively. The Baranyi and Roberts and the Weibull model fit growth and inactivation data well, respectively. Secondary models were proposed. The validated model predicted 3-log reduction of S. Typhimurium in 3 h at 68.2 mM of undissociated PA and pH 4.5. The models presented a good capacity to describe the kinetics of S. Typhimurium subjected to PA, representing a useful tool to predict PA antibacterial action depending on the pH.
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Affiliation(s)
- Fernando K C da Costa
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-901, Brazil
| | - Bruno A M Carciofi
- Departament of Biological and Agricultural Engineering, University of California Davis, Davis, CA 95616, USA
| | - Gláucia M F de Aragão
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-901, Brazil
| | - Jaciane L Ienczak
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, Florianópolis, SC 88040-901, Brazil.
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2
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Sasaki Y, Kawagoe N, Imai T, Urita Y. Effects of ethanol and sex on propionate metabolism evaluated via a faster 13C-propionate breath test in rats. World J Gastroenterol 2023; 29:3269-3279. [PMID: 37377586 PMCID: PMC10292142 DOI: 10.3748/wjg.v29.i21.3269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/13/2023] [Accepted: 05/06/2023] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND Alcoholism is regarded as a risk factor for vitamin B12 (VB12) deficiency. Because VB12 serves as a coenzyme of methylmalonyl-CoA mutase, a key enzyme in propionate metabolism, the 13C-propionate breath test (PBT) has been studied as a non-invasive diagnostic modality for VB12 deficiency. However, the conventional PBT requires 2 h, which is inconvenient in clinical practice. We hypothesized that a faster PBT can be used to evaluate propionate metabolism and is more easily adaptable for clinical practice.
AIM To evaluate a faster PBT for assessing the effects of long-term ethanol consumption on propionate metabolism in ethanol-fed rats (ERs).
METHODS ERs were obtained by replacing standard drinking water (for control rats, CRs) with 16% ethanol solution in descendants of F344/DuCrj rats. Faster PBT was performed by administering 13C-propionate aqueous solution to male and female ERs and CRs by inserting a metal tubule from the mouth to the stomach; exhaled gas was collected in a bag to measure its 13CO2/12CO2 isotope ratio via infrared isotope spectrometry. Serum VB12 and alanine transaminase (ALT) levels were measured via chemiluminescence immunoassay and the lactate dehydrogenase-ultraviolet method, respectively. We evaluated statistical differences in mean body weight, change in 13CO2 (Δ13CO2‰), peak Δ13CO2‰, and serum VB12 and ALT, between males and females and between ERs and CRs using the t-test and Mann-Whitney U test for normally and non-normally distributed variables, respectively.
RESULTS Males weighed significantly more than females (P < 0.001); CRs weighed significantly more than ERs (P < 0.008). Δ13CO2 reached a peak (Cmax) at 20 min and 30 min in females and males, respectively, decreasing after 20-30 min without rebound in all groups. Males had significantly higher Cmax and Δ13CO2 at 15-45 min than females (P < 0.05; for all pairs). Propionate metabolism was enhanced in male ERs relative to male CRs, whereas metabolism did not differ markedly between ERs and CRs for females. Males had higher serum VB12 levels than females, without prominent differences between the ER and CR groups. Male CRs had notably higher ALT levels than male ERs. Thus, chronic ethanol consumption may trigger fatty acid production via intestinal bacteria and changes in gut microbiome composition.
CONCLUSION Faster PBT shows that 16% ethanol consumption promotes propionate metabolism without inducing liver injury. This PBT may be used clinically to evaluate gut flora status.
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Affiliation(s)
- Yosuke Sasaki
- Department of General Medicine and Emergency Care, Toho University School of Medicine, Tokyo 143-8541, Japan
| | - Naoyuki Kawagoe
- Department of General Medicine and Emergency Care, Toho University School of Medicine, Tokyo 143-8541, Japan
| | - Tsunehiko Imai
- Department of General Medicine and Emergency Care, Toho University School of Medicine, Tokyo 143-8541, Japan
| | - Yoshihisa Urita
- Department of General Medicine and Emergency Care, Toho University School of Medicine, Tokyo 143-8541, Japan
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Piwowarek K, Lipińska E, Kieliszek M. Reprocessing of side-streams towards obtaining valuable bacterial metabolites. Appl Microbiol Biotechnol 2023; 107:2169-2208. [PMID: 36929188 PMCID: PMC10033485 DOI: 10.1007/s00253-023-12458-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/18/2023]
Abstract
Every year, all over the world, the industry generates huge amounts of residues. Side-streams are most often used as feed, landfilled, incinerated, or discharged into sewage. These disposal methods are far from perfect. Taking into account the composition of the side-streams, it seems that they should be used as raw materials for further processing, in accordance with the zero-waste policy and sustainable development. The article describes the latest achievements in biotechnology in the context of bacterial reprocessing of residues with the simultaneous acquisition of their metabolites. The article focuses on four metabolites - bacterial cellulose, propionic acid, vitamin B12 and PHAs. Taking into account global trends (e.g. food, packaging, medicine), it seems that in the near future there will be a sharp increase in demand for this type of compounds. In order for their production to be profitable and commercialised, cheap methods of its obtaining must be developed. The article, in addition to obtaining these bacterial metabolites from side-streams, also discusses e.g. factors affecting their production, metabolic pathways and potential and current applications. The presented chapters provide a complete overview of the current knowledge on above metabolites, which can be helpful for the academic and scientific communities and the several industries. KEY POINTS: • The industry generates millions of tons of organic side-streams each year. • Generated residues burden the natural environment. • A good and cost-effective method of side-streams management seems to be biotechnology - reprocessing with the use of bacteria. • Biotechnological disposal of side-streams gives the opportunity to obtain valuable compounds in cheaper ways: BC, PA, vitmain B12, PHAs.
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Affiliation(s)
- Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland.
| | - Edyta Lipińska
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
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4
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Cavero-Olguin VH, Dishisha T, Hatti-Kaul R. Membrane-based continuous fermentation with cell recycling for propionic acid production from glycerol by Acidipropionibacterium acidipropionici. Microb Cell Fact 2023; 22:43. [PMID: 36870992 PMCID: PMC9985857 DOI: 10.1186/s12934-023-02049-7] [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: 12/04/2022] [Accepted: 02/25/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Microbial production of propionic acid (PA) from renewable resources is limited by the slow growth of the producer bacteria and product-mediated inhibition. The present study evaluates high cell density continuous PA fermentation from glycerol (Gly) using Acidipropionibacterium acidipropionici DSM 4900 in a membrane-based cell recycling system. A ceramic tubular membrane filter of 0.22 μm pore size was used as the filtering device for cell recycling. The continuous fermentations were run sequentially at dilution rates of 0.05 and 0.025 1/h using varying glycerol concentrations and two different yeast extract concentrations. RESULTS PA volumetric productivity of 0.98 g/L.h with a product yield of 0.38 gPA/gGly was obtained with 51.40 g/L glycerol at a yeast extract concentration of 10 g/L. Increasing the glycerol and yeast extract concentrations to 64.50 g/L and 20 g/L, respectively, increased in PA productivity, product yield, and concentration to 1.82 g/L.h, 0.79 gPA/gGly, and 38.37 g/L, respectively. However, lowering the dilution rate to 0.025 1/h reduced the production efficiency. The cell density increased from 5.80 to 91.83 gCDW/L throughout the operation, which lasted for a period of 5 months. A tolerant variant of A. acidipropoinici exhibiting growth at a PA concentration of 20 g/L was isolated at the end of the experiment. CONCLUSIONS Applying the current approach for PA fermentation can overcome several limitations for process industrialization.
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Affiliation(s)
- Victor Hugo Cavero-Olguin
- Division of Biotechnology, Department of Chemistry, Center for Chemistry & Chemical Engineering, Lund University, 124, 221 00, Lund, Sweden.,Área de Biotecnología, Instituto de Investigaciones Fármaco Bioquímicas, Facultad de Ciencias Farmacéuticas y Bioquímicas, Universidad Mayor de San Andrés, 3239, La Paz, Bolivia
| | - Tarek Dishisha
- Department of Pharmaceutical Microbiology and Immunology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Rajni Hatti-Kaul
- Division of Biotechnology, Department of Chemistry, Center for Chemistry & Chemical Engineering, Lund University, 124, 221 00, Lund, Sweden.
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Characterization of odors and volatile organic compounds changes to recycled high-density polyethylene through mechanical recycling. Polym Degrad Stab 2023. [DOI: 10.1016/j.polymdegradstab.2023.110263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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6
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Propionic acid production via two-step sequential repeated batch fermentations on whey and flour. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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7
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Shi Y, Li R, Zheng J, Xue Y, Tao Y, Yu B. High-Yield Production of Propionate from 1,2-Propanediol by Engineered Pseudomonas putida KT2440, a Robust Strain with Highly Oxidative Capacity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:16263-16272. [PMID: 36511719 DOI: 10.1021/acs.jafc.2c06405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Bio-based propionate attracts increasing attention owing to its green nature and specific food additive market. To date, the time-consuming and costly fermentation process by strict anaerobes makes propionate production not ideal. In this study, we designed a new route for propionate production, in which 1,2-propanediol was first dehydrated to propionaldehyde and then to propionate by taking advantage of the robust oxidization capacity of the Pseudomonas putida KT2440 strain. The high atom economy (0.97 g/g) in this proposed pathway is more advantageous than the previous l-threonine-derived route (0.62 g/g). The molecular mechanism of the extraordinary oxidation capacity of P. putida KT2440 was first deciphered. The propionate production was realized in P. putida KT2440 by screening suitable glycerol dehydratases and optimizing the expression to eliminate the formation of 1-propanol and the accumulation of the intermediate propionaldehyde. The engineered strain produced propionate with a molar conversion rate of >99% from 1,2-propanediol. A high titer of 46.5 g/L pure propionic acid with a productivity of 1.55 g/L/h and a mass yield of 0.96 g/g was achieved in fed-batch biotransformation. Thus, this study provides another idea for the production of high-purity bio-based propionate from renewable materials with high atom economy.
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Affiliation(s)
- Ya'nan Shi
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rongshan Li
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jie Zheng
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yubin Xue
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yong Tao
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Bo Yu
- CAS Key Laboratory of Microbial Physiological & Metabolic Engineering, State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- CAS-TWAS Centre of Excellence for Biotechnology, Beijing 100101, China
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8
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Huang HJ, Nuthalapati K, Sheng YJ, Tsao HK. Precursor Film of Self-propelled Droplets: Inducing Motion of a Static Droplet. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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9
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Zhang X, Zheng Y, Zhou R, Ma M. Comprehensive identification of molecular profiles related to sensory and nutritional changes in Mongolian cheese during storage by untargeted metabolomics coupled with quantification of free amino acids. Food Chem 2022; 386:132740. [PMID: 35339083 DOI: 10.1016/j.foodchem.2022.132740] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 11/04/2022]
Abstract
Non-targeted metabolomics was used to study metabolites with low molecular weight which may contribute to quality deterioration of Mongolian cheese during storage. Microbiological analysis, pH, FAAs (free amino acids), volatile compounds, and sensory evaluation of the cheese during storage were also studied. A total of 278 metabolites were identified in Mongolian cheese, of which 51 metabolites were used as differential metabolites, including amino acids, peptides, organic acids, lipids, and carbohydrates. Bitter amino acids, bitter peptide (Phe-Ile), and organic acids (sinapic acid, butyric acid) increased during storage. Metabolic pathway analysis showed that differential metabolites were mainly related to amino acid metabolism, such as β-alanine metabolism and glycine, serine, and threonine metabolism. Moreover, accompanied with the increased contents of short-chain fatty acids, 2-undecanone and ethyl esters, strength of odor and unpleasant smell increased but overall acceptability decreased during Mongolian cheese storage. This research provides suitable strategies for quality control of Mongolian cheese during shelf life.
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Affiliation(s)
- Xin Zhang
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai, China; College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Yuanrong Zheng
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai, China; College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Ran Zhou
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai, China; College of Food Science and Technology, Shanghai Ocean University, Shanghai, China; Quality Supervision, Inspection and Testing Center for Cold Storage and Refrigeration Equipment, Ministry of Agriculture, Shanghai, China.
| | - Ming Ma
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai, China; College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.
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10
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Tiwari R, Sathesh-Prabu C, Lee SK. Bioproduction of propionic acid using levulinic acid by engineered Pseudomonas putida. Front Bioeng Biotechnol 2022; 10:939248. [PMID: 36032729 PMCID: PMC9399607 DOI: 10.3389/fbioe.2022.939248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/07/2022] [Indexed: 12/02/2022] Open
Abstract
The present study elaborates on the propionic acid (PA) production by the well-known microbial cell factory Pseudomonas putida EM42 and its capacity to utilize biomass-derived levulinic acid (LA). Primarily, the P. putida EM42 strain was engineered to produce PA by deleting the methylcitrate synthase (PrpC) and propionyl-CoA synthase (PrpE) genes. Subsequently, a LA-inducible expression system was employed to express yciA (encoding thioesterase) from Haemophilus influenzae and ygfH (encoding propionyl-CoA: succinate CoA transferase) from Escherichia coli to improve the PA production by up to 10-fold under flask scale cultivation. The engineered P. putida EM42:ΔCE:yciA:ygfH was used to optimize the bioprocess to further improve the PA production titer. Moreover, the fed-batch fermentation performed under optimized conditions in a 5 L bioreactor resulted in the titer, productivity, and molar yield for PA production of 26.8 g/L, 0.3 g/L/h, and 83%, respectively. This study, thus, successfully explored the LA catabolic pathway of P. putida as an alternative route for the sustainable and industrial production of PA from LA.
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Piwowarek K, Lipińska E, Hać-Szymańczuk E, Kolotylo V, Kieliszek M. Use of apple pomace, glycerine, and potato wastewater for the production of propionic acid and vitamin B12. Appl Microbiol Biotechnol 2022; 106:5433-5448. [PMID: 35879434 PMCID: PMC9418287 DOI: 10.1007/s00253-022-12076-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 06/23/2022] [Accepted: 07/11/2022] [Indexed: 12/05/2022]
Abstract
Abstract Propionic acid bacteria (PAB) are a source of valuable metabolites, including propionic acid and vitamin B12. Propionic acid, a food preservative, is synthesized from petroleum refining by-products, giving rise to ecological concerns. Due to changing food trends, the demand for vitamin B12 has been expected to increase in the future. Therefore, it is necessary to look for new, alternative methods of obtaining these compounds. This study was conducted with an aim of optimizing the production of PAB metabolites using only residues (apple pomace, waste glycerine, and potato wastewater), without any enzymatic or chemical pretreatment and enrichment. Media consisting of one, two, or three industrial side-streams were used for the production of PAB metabolites. The highest production of propionic acid was observed in the medium containing all three residues (8.15 g/L, yield: 0.48 g/g). In the same medium, the highest production of acetic acid was found — 2.31 g/L (0.13 g/g). The presence of waste glycerine in the media had a positive effect on the efficiency of propionic acid production and P/A ratio. The concentration of vitamin B12 obtained in the wet biomass of Propionibacterium freudenreichii DSM 20271 ranged from 90 to 290 µg/100 g. The highest production of cobalamin was achieved in potato wastewater and apple pomace, which may be a source of the precursors of vitamin B12 — cobalt and riboflavin. The results obtained show both propionic acid and vitamin B12 can be produced in a more sustainable manner through the fermentation of residues which are often not properly managed. Key points • The tested strain has been showed metabolic activity in the analyzed industrial side-streams (apple pomace, waste glycerine, potato wastewater). • All the side-streams were relevant for the production of propinic acid. • The addition of waste glycerine increases the propionic acid production efficiency and P/A ratio. • B12 was produced the most in the media containing potato wastewater and apple pomace as dominant ingredients.
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Affiliation(s)
- Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland.
| | - Edyta Lipińska
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
| | - Elżbieta Hać-Szymańczuk
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
| | - Vitaliy Kolotylo
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159C, 02-776, Warsaw, Poland
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12
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Collograi KC, da Costa AC, Ienczak JL. Fermentation strategies to improve propionic acid production with propionibacterium ssp.: a review. Crit Rev Biotechnol 2022; 42:1157-1179. [PMID: 35264026 DOI: 10.1080/07388551.2021.1995695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Propionic acid (PA) is a carboxylic acid applied in a variety of processes, such as food and feed preservative, and as a chemical intermediate in the production of polymers, pesticides and drugs. PA production is predominantly performed by petrochemical routes, but environmental issues are making it necessary to use sustainable processes based on renewable materials. PA production by fermentation with the Propionibacterium genus is a promising option in this scenario, due to the ability of this genus to consume a variety of renewable carbon sources with higher productivity than other native microorganisms. However, Propionibacterium fermentation processes present important challenges that must be faced to make this route competitive, such as: a high fermentation time, product inhibition and low PA final titer, which increase the cost of product recovery. This article summarizes the state of the art regarding strategies to improve PA production by fermentation with the Propionibacterium genus. Firstly, strategies associated with environmental fermentation conditions and nutrition requirements are discussed. Subsequently, advantages and disadvantages of various strategies proposed to improve process performance (high cell concentration by immobilization or recycle, co-culture fermentation, genome shuffling, evolutive and metabolic engineering, and in situ recovery) are evaluated.
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Affiliation(s)
| | | | - Jaciane Lutz Ienczak
- Chemical Engineering and Food Engineering Department- Santa Catarina, Federal University, Florianópolis, Brazil
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13
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Igbokwe VC, Ezugworie FN, Onwosi CO, Aliyu GO, Obi CJ. Biochemical biorefinery: A low-cost and non-waste concept for promoting sustainable circular bioeconomy. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 305:114333. [PMID: 34952394 DOI: 10.1016/j.jenvman.2021.114333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 12/11/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
The transition from a fossil-based linear economy to a circular bioeconomy is no longer an option but rather imperative, given worldwide concerns about the depletion of fossil resources and the demand for innovative products that are ecocompatible. As a critical component of sustainable development, this discourse has attracted wide attention at the regional and international levels. Biorefinery is an indispensable technology to implement the blueprint of the circular bioeconomy. As a low-cost, non-waste innovative concept, the biorefinery concept will spur a myriad of new economic opportunities across a wide range of sectors. Consequently, scaling up biorefinery processes is of the essence. Despite several decades of research and development channeled into upscaling biorefinery processes, the commercialization of biorefinery technology appears unrealizable. In this review, challenges limiting the commercialization of biorefinery technologies are discussed, with a particular focus on biofuels, biochemicals, and biomaterials. To counteract these challenges, various process intensification strategies such as consolidated bioprocessing, integrated biorefinery configurations, the use of highly efficient bioreactors, simultaneous saccharification and fermentation, have been explored. This study also includes an overview of biomass pretreatment-generated inhibitory compounds as platform chemicals to produce other essential biocommodities. There is a detailed examination of the technological, economic, and environmental considerations of a sustainable biorefinery. Finally, the prospects for establishing a viable circular bioeconomy in Nigeria are briefly discussed.
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Affiliation(s)
- Victor C Igbokwe
- Bioconversion and Renewable Energy Research Unit, University of Nigeria, Nsukka, Enugu State, Nigeria; Department of Materials Science and Engineering, Université de Pau et des Pays de l'Adour, 64012, Pau Cedex, France
| | - Flora N Ezugworie
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria; Bioconversion and Renewable Energy Research Unit, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Chukwudi O Onwosi
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria; Bioconversion and Renewable Energy Research Unit, University of Nigeria, Nsukka, Enugu State, Nigeria.
| | - Godwin O Aliyu
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria; Bioconversion and Renewable Energy Research Unit, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Chinonye J Obi
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria
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14
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Ding W, Meng Q, Dong G, Qi N, Zhao H, Shi S. Metabolic engineering of threonine catabolism enables Saccharomyces cerevisiae to produce propionate under aerobic conditions. Biotechnol J 2022; 17:e2100579. [PMID: 35086163 DOI: 10.1002/biot.202100579] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/08/2022] [Accepted: 01/10/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND Propionate is widely used as a preservative in the food and animal feed industries. Propionate is currently produced by petrochemical processes, and fermentative production of propionate remains challenging. METHODS AND RESULTS In this study, a synthetic propionate pathway was constructed in the budding yeast Saccharomyces cerevisiae, for propionate production under aerobic conditions. Through expression of tdcB and aldH from Escherichia coli and kivD from Lactococcus lactis, L-threonine was converted to propionate via 2-ketobutyrate and propionaldehyde. The resulting yeast aerobically produced 0.21 g/L propionate from glucose in a shake flask. Subsequent overexpression of pathway genes and elimination of competing pathways increased propionate production to 0.37 g/L. To further increase propionate production, carbon flux was pulled into the propionate pathway by weakened expression of pyruvate kinase (PYK1), together with overexpression of phosphoenolpyruvate carboxylase (ppc). The final propionate production reached 1.05 g/L during fed-batch fermentation in a fermenter. CONCLUSIONS AND IMPLICATIONS In this work, a yeast cell factory was constructed using synthetic biology and metabolic engineering strategies to enable propionate production under aerobic conditions. Our study demonstrates engineered S. cerevisiae as a promising alternative for the production of propionate and its derivatives. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Wentao Ding
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China.,Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, No. 9, 13th Avenue, TEDA, Tianjin, 300457, China
| | - Qiongyu Meng
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Genlai Dong
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Nailing Qi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
| | - Huimin Zhao
- Department of Chemical and Biomolecular Engineering, Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Shuobo Shi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, North Third Ring Road 15, Chaoyang District, Beijing, 100029, China
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15
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Yaqoob S, Liu H, Liu M, Zheng M, Awan KA, Cai D, Liu J. The effect of lactic acid bacteria and co-culture on structural, rheological, and textural profile of corn dough. Food Sci Nutr 2022; 10:264-271. [PMID: 35035927 PMCID: PMC8751425 DOI: 10.1002/fsn3.2666] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/22/2021] [Accepted: 10/27/2021] [Indexed: 11/10/2022] Open
Abstract
This study is aimed at assessing the effect of lactic acid bacteria (LAB) on corn flour using dynamic characterization methods including RVA, TPA, Rheometer, SEM, and DSC along with co-culture technique in order to enhance its applicability by evaluating the variations in rheological, textural, morphological, thermal, and structural properties. Our findings suggested that bacterial incorporation both individually and in combination (co-culture) revealed an improved corn dough profile with better properties. SEM showed irregular shape of particles having more grooves, indentations, and cracks. RVA demonstrated different pasting behavior on the dough. Bacterial inoculation in flour attributed to increase the TO (68.61-71.18), TP (73.74-78.42), TC (78.78-85.36), melting temperature (10.17-15.19), and ΔH (2.72-5.40). The hardness of corn was found approximately 75% of native dough. In treated corn, an increase was noted in both loss and storage modulus in correspondence with changes in the starch configuration and leaching of constituents. The results from DSC presented an increased melting temperature range and gelatinization enthalpy owing to bacterial treatment accredited to diversified morphological characteristics. The outcomes concluded in demonstration of a novel influence on structural, thermal, morphological, and rheological capabilities and capacities of corn dough. Lactic acid bacteria hydrolyzed part of the corn and flour had smaller, irregularly shaped particles with more holes in them, resulting in a reduced water retaining capacity. Textural, thermal, and pasting profile has also been improved due to degradation of macromolecules. Furthermore, the insight alterations induce various changes leading to improved corn flour. It may also develop the associations about the upright insurgence in the corn dough profile and its potential usage in industry and homes.
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Affiliation(s)
- Sanabil Yaqoob
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
- Department of Food Science and TechnologyFaculty of Life SciencesUniversity of Central PunjabLahorePakistan
| | - Huimin Liu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
| | - Meihong Liu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
| | - Mingzhu Zheng
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
| | - Kanza Aziz Awan
- Department of Food Science and TechnologyFaculty of Life SciencesUniversity of Central PunjabLahorePakistan
| | - Dan Cai
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
| | - Jingsheng Liu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
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16
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Propionic acid production from glycerol in immobilized cell bioreactor using an acid-tolerant strain of Propionibacterium acidipropionici obtained by adaptive evolution. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.08.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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17
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Zhao Z, Ning C, Chen L, Zhao Y, Yang G, Wang C, Chen N, Zhang Z, Li S. Impacts of manufacture processes and geographical regions on the microbial profile of traditional Chinese cheeses. Food Res Int 2021; 148:110600. [PMID: 34507745 DOI: 10.1016/j.foodres.2021.110600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
The microbiota of cheese plays a critical role in determining its organoleptic and other physicochemical properties. Thus, assessing the composition of the cheese microbiota community would help promote the growth of desirable taxa and ultimately to optimize flavor, quality and safety. Here we measured microbial diversity, microbiota composition, short-chain fatty acids, and free amino acids in two traditional cheese-making strategies, Rushan and Rubing, processed in parallel from Lijiang, Eryuan, and Dengchuan of Yunnan province, China. We found distinct microbiota composition, and microbial diversity and richness in both Rushan and Rubing across all three regions, which were proportional to the scale of the cities where the cheeses were sampled. Furthermore, we found positive associations of Streptococcus and Acinetobacter with butyric acid, Phe and Tyr, which were negatively correlated with Lactococcus. For the first time, we provide evidence that environmental microbial contamination in cheese can be correlated with the manufacturing procedures and geographical regions. This should be paid more attention in upcoming cheese microbiota studies.
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Affiliation(s)
- Zijian Zhao
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Chao Ning
- School of Archaeology and Museology, Peking University, Beijing 100871, China; Max Planck Institute for the Science of Human History, Jena 07745, Germany.
| | - Long Chen
- Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Yujuan Zhao
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Ge Yang
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Chao Wang
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Naishi Chen
- Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Zhaoye Zhang
- Jilin Academy of Agricultural Sciences, Changchun 130033, China
| | - Shengyu Li
- Institute of Agro-food Technology, Jilin Academy of Agricultural Sciences, Changchun 130033, China
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18
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Fermentative production of propionic acid: prospects and limitations of microorganisms and substrates. Appl Microbiol Biotechnol 2021; 105:6199-6213. [PMID: 34410439 DOI: 10.1007/s00253-021-11499-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 12/17/2022]
Abstract
Propionic acid is an important organic acid with wide industrial applications, especially in the food industry. It is currently produced from petrochemicals via chemical routes. Increasing concerns about greenhouse gas emissions from fossil fuels and a growing consumer preference for bio-based products have led to interest in fermentative production of propionic acid, but it is not yet competitive with chemical production. To improve the economic feasibility and sustainability of bio-propionic acid, fermentation performance in terms of concentration, yield, and productivity must be improved and the cost of raw materials must be reduced. These goals require robust microbial producers and inexpensive renewable feedstocks, so the present review focuses on bacterial producers of propionic acid and promising sources of substrates as carbon sources. Emphasis is placed on assessing the capacity of propionibacteria and the various approaches pursued in an effort to improve their performance through metabolic engineering. A wide range of substrates employed in propionic acid fermentation is analyzed with particular interest in the prospects of inexpensive renewable feedstocks, such as cellulosic biomass and industrial residues, to produce cost-competitive bio-propionic acid. KEY POINTS: • Fermentative propionic acid production emerges as competitor to chemical synthesis. • Various bacteria synthesize propionic acid, but propionibacteria are the best producers. • Biomass substrates hold promise to reduce propionic acid fermentation cost.
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19
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Use of Propionibacterium freudenreichii T82 Strain for Effective Biosynthesis of Propionic Acid and Trehalose in a Medium with Apple Pomace Extract and Potato Wastewater. Molecules 2021; 26:molecules26133965. [PMID: 34209563 PMCID: PMC8271679 DOI: 10.3390/molecules26133965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 06/22/2021] [Accepted: 06/25/2021] [Indexed: 01/15/2023] Open
Abstract
Propionic acid bacteria are the source of many metabolites, e.g., propionic acid and trehalose. Compared to microbiological synthesis, the production of these metabolites by petrochemical means or enzymatic conversion is more profitable. The components of microbiological media account for a large part of the costs associated with propionic fermentation, due to the high nutritional requirements of Propionibacterium. This problem can be overcome by formulating a medium based on the by-products of technological processes, which can act as nutritional sources and at the same time replace expensive laboratory preparations (e.g., peptone and yeast extract). The metabolic activity of P. freudenreichii was investigated in two different breeding environments: in a medium containing peptone, yeast extract, and biotin, and in a waste-based medium consisting of only apple pomace and potato wastewater. The highest production of propionic acid amounting to 14.54 g/L was obtained in the medium containing apple pomace and pure laboratory supplements with a yield of 0.44 g/g. Importantly, the acid production parameters in the waste medium reached almost the same level (12.71 g/L, 0.42 g/g) as the medium containing pure supplements. Acetic acid synthesis was more efficient in the waste medium; it was also characterized by a higher level of accumulated trehalose (59.8 mg/g d.s.). Thus, the obtained results show that P. freudenreichii bacteria exhibited relatively high metabolic activity in an environment with apple pomace used as a carbon source and potato wastewater used as a nitrogen source. This method of propioniate production could be cheaper and more sustainable than the chemical manner.
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20
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Ren Z, Liu Y, Lyu Y, Song X, Zheng C, Jiang Z, Ding Y. Quaternary phosphonium polymer-supported dual-ionically bound [Rh(CO)I3]2– catalyst for heterogeneous ethanol carbonylation. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63676-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Piwowarek K, Lipińska E, Hać-Szymańczuk E, Pobiega K. Propionic acid production from apple pomace in bioreactor using Propionibacterium freudenreichii: an economic analysis of the process. 3 Biotech 2021; 11:60. [PMID: 33489679 PMCID: PMC7801545 DOI: 10.1007/s13205-020-02582-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 12/01/2020] [Indexed: 12/13/2022] Open
Abstract
Propionic acid and its salts are widely used as food and feed preservative. Currently, these compounds are chemically produced, which is more profitable compared to biotechnological production using bacteria of the Propionibacterium genus. Appropriate steps can enable reducing the production costs; for example, cheap industrial byproducts can be used as culture media. One such cost-effective raw material is apple pomace, a low-value byproduct from the food industry. It contains sugars such as glucose and fructose which can serve as potential carbon sources for microorganisms. This paper discusses the possibility of using apple pomace in the production of propionic acid and presents an economic analysis of the production process. The tested strain produced 8.01 g/L of propionic acid (yield 0.40 g/g) and 2.29 g/L of acetic acid (yield 0.11 g/g) from apple pomace extract. The economic analysis showed that the production of 1 kg of propionic acid (considering only waste) from 1000 kg of apple pomace would cost approximately 1.25 USD. The manufacturing cost (consumables, including feedstock, labor, and utilities) would be approximately 2.35 USD/kg, and the total cost including taxes would be approximately 3.05 USD/kg. From the economic point of view, it is necessary to improve the production of propionic acid from apple pomace, to increase the yield of fermentation and thus decrease the total production costs. This can be achieved, for example, using industrial byproducts as nitrogen and vitamin sources, instead of high-cost substrates such as yeast extract or peptone. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s13205-020-02582-x.
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Affiliation(s)
- Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776 Warsaw, Poland
| | - Edyta Lipińska
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776 Warsaw, Poland
| | - Elżbieta Hać-Szymańczuk
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776 Warsaw, Poland
| | - Katarzyna Pobiega
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences—SGGW (WULS-SGGW), Nowoursynowska 159c Street, 02-776 Warsaw, Poland
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22
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Xu L, Zhang K, Nawaz MA, Liu D. Kinetic study of carbonylation of ethanol using homogeneous Rh complex catalyst. CAN J CHEM ENG 2020. [DOI: 10.1002/cjce.23900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lin Xu
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Kai Zhang
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Muhammad A. Nawaz
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
| | - Dianhua Liu
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
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23
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Propionic acid production by Propionibacterium freudenreichii using sweet sorghum bagasse hydrolysate. Appl Microbiol Biotechnol 2020; 104:9619-9629. [PMID: 33047167 DOI: 10.1007/s00253-020-10953-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 09/15/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023]
Abstract
Propionic acid, a widely used food preservative and intermediate in the manufacture of various chemicals, is currently produced from petroleum-based chemicals, raising concerns about its long-term sustainability. A key way to make propionic acid more sustainable is through fermentation of low-cost renewable and inedible sugar sources, such as lignocellulosic biomass. To this end, we utilized the cellulosic hydrolysate of sweet sorghum bagasse (SSB), a residue from a promising biomass source that can be cultivated around the world, for fermentative propionic acid production using Propionibacterium freudenreichii. In serum bottles, SSB hydrolysate supported a higher propionic acid yield than glucose (0.51 vs. 0.44 g/g, respectively), which can be attributed to the presence of additional nutrients in the hydrolysate enhancing propionic acid biosynthesis and the pH buffering capacity of the hydrolysate. Additionally, SSB hydrolysate supported better cell growth kinetics and higher tolerance to product inhibition by P. freudenreichii. The yield was further improved by co-fermenting glycerol, a renewable byproduct of the biodiesel industry, reaching up to 0.59 g/g, whereas volumetric productivity was enhanced by running the fermentation with high cell density inoculum. In the bioreactor, although the yield was slightly lower than in serum bottles (0.45 g/g), higher final concentration and overall productivity of propionic acid were achieved. Compared to glucose (this study) and hydrolysates from other biomass species (literature), use of SSB hydrolysate as a renewable glucose source resulted in comparable or even higher propionic acid yields. KEY POINTS: • Propionic acid yield and cell growth were higher in SSB hydrolysate than glucose. • The yield was enhanced by co-fermenting SSB hydrolysate and glycerol. • The productivity was enhanced under high cell density fermentation conditions. • SSB hydrolysate is equivalent or superior to other reported hydrolysates.
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24
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Castro PGM, Maeda RN, Rocha VAL, Fernandes RP, Pereira N. Improving propionic acid production from a hemicellulosic hydrolysate of sorghum bagasse by means of cell immobilization and sequential batch operation. Biotechnol Appl Biochem 2020; 68:1120-1127. [PMID: 32942342 DOI: 10.1002/bab.2031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Propionic acid (PA) is an important organic compound with extensive application in different industrial sectors and is currently produced by petrochemical processes. The production of PA by large-scale fermentation processes presents a bottleneck, particularly due to low volumetric productivity. In this context, the present work aimed to produce PA by a biochemical route from a hemicellulosic hydrolysate of sorghum bagasse using the strain Propionibacterium acidipropionici CIP 53164. Conditions were optimized to increase volumetric productivity and process efficiency. Initially, in simple batch fermentation, a final concentration of PA of 17.5 g⋅L-1 was obtained. Next, fed batch operation with free cells was adopted to minimize substrate inhibition. Although a higher concentration of PA was achieved (38.0 g⋅L-1 ), the response variables (YP/S = 0.409 g⋅g-1 and QP = 0.198 g⋅L-1 ⋅H-1 ) were close to those of the simple batch experiment. Finally, the fermentability of the hemicellulosic hydrolysate was investigated in a sequential batch with immobilized cells. The PA concentration achieved a maximum of 35.3 g⋅L-1 in the third cycle; moreover, the volumetric productivity was almost sixfold higher (1.17 g⋅L-1 ⋅H-1 ) in sequential batch than in simple batch fermentation. The results are highly promising, providing preliminary data for studies on scaling up the production of this organic acid.
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Affiliation(s)
- Patrycia G M Castro
- Center of Biofuels, Oil and Derivatives, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, CEP, Brazil
| | - Roberto N Maeda
- Novozymes Latin America, Barigui, Rua Professor Francisco Ribeiro, Araucaria, Parana, CEP, Brazil
| | - Vanessa A L Rocha
- Center of Biofuels, Oil and Derivatives, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, CEP, Brazil
| | - Rodrigo P Fernandes
- Center of Biofuels, Oil and Derivatives, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, CEP, Brazil
| | - Nei Pereira
- Center of Biofuels, Oil and Derivatives, School of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, CEP, Brazil
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25
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Al‐Salem HS, Al‐Yousef HM, Ashour AE, Ahmed AF, Amina M, Issa IS, Bhat RS. Antioxidant and hepatorenal protective effects of bee pollen fractions against propionic acid-induced autistic feature in rats. Food Sci Nutr 2020; 8:5114-5127. [PMID: 32994972 PMCID: PMC7500755 DOI: 10.1002/fsn3.1813] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 07/14/2020] [Accepted: 07/18/2020] [Indexed: 01/08/2023] Open
Abstract
In the brain, propionic acid (PA) can cross cell membranes and accumulate within cells, leading to intracellular acidification, which may alter neurotransmitter release (NT), communication between neurons, and behavior. Such elevation in levels of PA constitutes a neurodevelopmental metabolic disorder called propionic acidemia, which could clinically manifest as autism. The purpose of this study was to investigate the protective effects of different fractions of bee pollen (BP) on PA-induced autism in rats, and to evaluate their effects on the expression of liver and renal biomarkers. Groups of rats received treatments of different fractions of BP at a dose of 250 mg/kg of body weight/day for a period of 1 month. Normal control group I and group II were orally administered with phosphate-buffered saline and propionic acid, respectively, for 3 days. BP contains various health-promoting phenolic components. Different fractions of BP administered pre- and post-treatment with PA showed significant reduction in the levels of liver and renal biomarkers (p < .05). Also, a significant enhancement in the levels of glutathione S-transferase (GST), catalase CAT), and ascorbic acid (VIT C) was observed. Supplementation with BP significantly reduced biochemical changes in the liver, kidneys, and brain of rats with PA-induced toxicity. It exhibited protective effects against oxidative damage and reactive oxygen species produced by PA-induced adverse reactions in rats. Taken together, our study shows that BP possesses protective effects in PA-induced liver and kidney damage.
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Affiliation(s)
- Huda S. Al‐Salem
- Pharmaceutical Chemistry DepartmentCollege of PharmacyKing Saud UniversityRiyadhSaudi Arabia
| | - Hanan M. Al‐Yousef
- Pharmacognosy DepartmentCollege of PharmacyKing Saud UniversityRiyadhSaudi Arabia
| | - Abdelkader E. Ashour
- Department of Basic Medical SciencesKulliyyah of MedicineInternational Islamic University MalaysiaKuantanMalaysia
| | - Atallah F. Ahmed
- Pharmacognosy DepartmentCollege of PharmacyKing Saud UniversityRiyadhSaudi Arabia
- Department of PharmacognosyFaculty of PharmacyMansoura UniversityMansouraEgypt
| | - Musarat Amina
- Pharmacognosy DepartmentCollege of PharmacyKing Saud UniversityRiyadhSaudi Arabia
| | - Iman S. Issa
- Pharmaceutical Chemistry DepartmentCollege of PharmacyKing Saud UniversityRiyadhSaudi Arabia
| | - Ramesa Shafi Bhat
- Biochemistry DepartmentScience CollegeKing Saud UniversityRiyadhSaudi Arabia
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26
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An enhanced antibacterial nanoflowers AgPW@PDA@Nisin constructed from polyoxometalate and nisin. J Inorg Biochem 2020; 212:111212. [PMID: 32920432 DOI: 10.1016/j.jinorgbio.2020.111212] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/25/2022]
Abstract
A new composite, AgPW@PDA@Nisin, with shell-core structure was successfully synthesized by a polydopamine (PDA) surfaced conjugated nisin (an antibacterial 34 amino acid polycyclic peptide) as shell and polyoxometalates (Ag3PW12O40 = AgPW) as core. The composite was characterized by the zeta potential, scanning electron microscopy (SEM), transmission electron microscope (TEM), X-ray diffraction analysis (XRD), fourier transform infrared (FT-IR). The AgPW@PDA@Nisin showed flower hierarchical structure and potential antibacterial activity against S. aureus ATCC29213. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of it were 4 and 32 μg/mL. AgPW@PDA@Nisin nanoflowers-induced bacterial death bears the characteristic of cell morphology, membrane integrity and permeability changing, nucleotide leakage. It indicated that the AgPW@PDA@Nisin interfere with the cell membrane, resulting in antibacterial activity against S. aureus. The cytotoxicity of the nanoflowers was low on HDF-a (human dermal fibroblasts) cells. A new class of hybrid inorganic-organic nanoflowers based on polyoxometalates and nisin with enhanced antibacterial properties can be developed for food preservation.
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27
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Ranaei V, Pilevar Z, Khaneghah AM, Hosseini H. Propionic Acid: Method of Production, Current State and Perspectives. Food Technol Biotechnol 2020; 58:115-127. [PMID: 32831564 PMCID: PMC7416123 DOI: 10.17113/ftb.58.02.20.6356] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 05/20/2020] [Indexed: 01/21/2023] Open
Abstract
During the past years, there has been a growing interest in the bioproduction of propionic acid by Propionibacterium. One of the major limitations of the existing models lies in their low productivity yield. Hence, many strategies have been proposed in order to circumvent this obstacle. This article provides a comprehensive synthesis and review of important biotechnological aspects of propionic acid production as a common ingredient in food and biotechnology industries. We first discuss some of the most important production processes, mainly focusing on biological production. Then, we provide a summary of important propionic acid producers, including Propionibacterium freudenreichii and Propionibacterium acidipropionici, as well as a wide range of reported growth/production media. Furthermore, we describe bioprocess variables that can have impact on the production yield. Finally, we propose methods for the extraction and analysis of propionic acid and put forward strategies for overcoming the limitations of competitive microbial production from the economical point of view. Several factors influence the propionic acid concentration and productivity such as culture conditions, type and bioreactor scale; however, the pH value and temperature are the most important ones. Given that there are many reports about propionic acid production from glucose, whey permeate, glycerol, lactic acid, hemicelluloses, hydrolyzed corn meal, lactose, sugarcane molasses and enzymatically hydrolyzed whole wheat flour, only few review articles evaluate biotechnological aspects, i.e. bioprocess variables.
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Affiliation(s)
- Vahid Ranaei
- Department of Public Health, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Zahra Pilevar
- Student Research Committee, Department of Food Sciences and Technology Department, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran 1981619573, Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science, Faculty of Food Engineering, State University of Campinas (UNICAMP), São Paulo, Brazil
| | - Hedayat Hosseini
- Department of Food Sciences and Technology Department, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran 1981619573, Iran
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Arunasri K, Mahesh M, Sai Prashanthi G, Jayasudha R, Kalyana Chakravarthy S, Tyagi M, Pappuru RR, Shivaji S. Comparison of the Vitreous Fluid Bacterial Microbiomes between Individuals with Post Fever Retinitis and Healthy Controls. Microorganisms 2020; 8:E751. [PMID: 32429503 PMCID: PMC7285296 DOI: 10.3390/microorganisms8050751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 04/23/2020] [Accepted: 05/04/2020] [Indexed: 12/21/2022] Open
Abstract
Ocular microbiome research has gained momentum in the recent past and has provided new insights into health and disease conditions. However, studies on sight threatening intraocular inflammatory diseases have remained untouched. In the present study, we attempted to identify the bacterial microbiome associated with post fever retinitis using a metagenomic sequencing approach. For this purpose, bacterial ocular microbiomes were generated from vitreous samples collected from control individuals (VC, n = 19) and individuals with post fever retinitis (PFR, n = 9), and analysed. The results revealed 18 discriminative genera in the microbiomes of the two cohorts out of which 16 genera were enriched in VC and the remaining two in PFR group. These discriminative genera were inferred to have antimicrobial, anti-inflammatory, and probiotic function. Only two pathogenic bacteria were differentially abundant in 20% of the PFR samples. PCoA and heatmap analysis showed that the vitreous microbiomes of VC and PFR formed two distinct clusters indicating dysbiosis in the vitreous bacterial microbiomes. Functional assignments and network analysis also revealed that the vitreous bacterial microbiomes in the control group exhibited more evenness in the bacterial diversity and several bacteria had antimicrobial function compared to the PFR group.
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Affiliation(s)
- Kotakonda Arunasri
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
| | - Malleswarapu Mahesh
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
| | - Gumpili Sai Prashanthi
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
| | - Rajagopalaboopathi Jayasudha
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
| | - Sama Kalyana Chakravarthy
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
| | - Mudit Tyagi
- Smt. Kanuri Santhamma Centre for Vitreo Retinal Diseases, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (M.T.); (R.R.P.)
| | - Rajeev R. Pappuru
- Smt. Kanuri Santhamma Centre for Vitreo Retinal Diseases, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (M.T.); (R.R.P.)
| | - Sisinthy Shivaji
- Jhaveri Microbiology Centre, Prof Brien Holden Eye Research Centre, L V Prasad Eye Institute, L V Prasad Marg, Banjara Hills, Hyderabad 500034, India; (K.A.); (M.M.); (G.S.P.); (R.J.); (S.K.C.)
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Hu Y, Pan J, Nawaz MA, Li X, Liu D. Kinetic study on the carbonylation of ethanol to propionic acid using homogeneous Rh complex catalyst at low water content. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-019-01692-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jensen K, Broeken V, Hansen ASL, Sonnenschein N, Herrgård MJ. OptCouple: Joint simulation of gene knockouts, insertions and medium modifications for prediction of growth-coupled strain designs. Metab Eng Commun 2019; 8:e00087. [PMID: 30956947 PMCID: PMC6431744 DOI: 10.1016/j.mec.2019.e00087] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 02/20/2019] [Accepted: 02/26/2019] [Indexed: 01/01/2023] Open
Abstract
Biological production of chemicals is an attractive alternative to petrochemical-based production, due to advantages in environmental impact and the spectrum of feasible targets. However, engineering microbial strains to overproduce a compound of interest can be a long, costly and painstaking process. If production can be coupled to cell growth it is possible to use adaptive laboratory evolution to increase the production rate. Strategies for coupling production to growth, however, are often not trivial to find. Here we present OptCouple, a constraint-based modeling algorithm to simultaneously identify combinations of gene knockouts, insertions and medium supplements that lead to growth-coupled production of a target compound. We validated the algorithm by showing that it can find novel strategies that are growth-coupled in silico for a compound that has not been coupled to growth previously, as well as reproduce known growth-coupled strain designs for two different target compounds. Furthermore, we used OptCouple to construct an alternative design with potential for higher production. We provide an efficient and easy-to-use implementation of the OptCouple algorithm in the cameo Python package for computational strain design.
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Affiliation(s)
- Kristian Jensen
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs. Lyngby, Denmark
| | - Valentijn Broeken
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs. Lyngby, Denmark
| | - Anne Sofie Lærke Hansen
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs. Lyngby, Denmark
| | - Nikolaus Sonnenschein
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs. Lyngby, Denmark
| | - Markus J. Herrgård
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Kemitorvet, 2800 Kgs. Lyngby, Denmark
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Hashemi SMB, Gholamhosseinpour A, Mousavi Khaneghah A. Fermentation of acorn dough by lactobacilli strains: Phytic acid degradation and antioxidant activity. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.10.054] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kinetic models for production of propionic acid by Propionibacter freudenrechii subsp. shermanii and Propionibacterium freudenreichii subsp. freudenreichii in date syrup during sonication treatments. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.01.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Mousavi Khaneghah A, Hashemi SMB, Eş I, Fracassetti D, Limbo S. Efficacy of Antimicrobial Agents for Food Contact Applications: Biological Activity, Incorporation into Packaging, and Assessment Methods: A Review. J Food Prot 2018; 81:1142-1156. [PMID: 29939788 DOI: 10.4315/0362-028x.jfp-17-509] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Interest in the utilization of antimicrobial active packaging for food products has increased in recent years. Antimicrobial active packaging involves the incorporation of antimicrobial compounds into packaging materials, with the aim of maintaining or extending food quality and shelf life. Plant extracts, essential oils, organic acids, bacteriocins, inorganic substances, enzymes, and proteins are used as antimicrobial agents in active packaging. Evaluation of the antimicrobial activity of packaging materials using different methods has become a critical issue for both food safety and the commercial utilization of such packaging technology. This article reviews the different types of antimicrobial agents used for active food packaging materials, the main incorporation techniques, and the assessment methods used to examine the antimicrobial activity of packaging materials, taking into account their safety as food contact materials.
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Affiliation(s)
| | | | - Ismail Eş
- 3 Department of Material and Bioprocess Engineering, Faculty of Chemical Engineering, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil (ORCID: http://orcid.org/0000-0001-5769-0004 [A.M.K.])
| | - Daniela Fracassetti
- 4 Department of Food Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan 20123, Italy (ORCID: http://orcid.org/0000-0002-4739-4751 [S.L.])
| | - Sara Limbo
- 4 Department of Food Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan 20123, Italy (ORCID: http://orcid.org/0000-0002-4739-4751 [S.L.])
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Eş I, Mousavi Khaneghah A, Barba FJ, Saraiva JA, Sant'Ana AS, Hashemi SMB. Recent advancements in lactic acid production - a review. Food Res Int 2018; 107:763-770. [DOI: 10.1016/j.foodres.2018.01.001] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 12/31/2017] [Accepted: 01/03/2018] [Indexed: 10/18/2022]
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