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Asmarani RR, Ujilestari T, Sholikin MM, Wulandari W, Damayanti E, Anwar M, Aditya S, Karimy MF, Wahono SK, Triyannanto E, Adli DN, Sujarwanta RO, Wahyono T. Meta-analysis of the effects of gamma irradiation on chicken meat and meat product quality. Vet World 2024; 17:1084-1097. [PMID: 38911085 PMCID: PMC11188876 DOI: 10.14202/vetworld.2024.1084-1097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 04/23/2024] [Indexed: 06/25/2024] Open
Abstract
Background and Aim Irradiation is one of the most effective microbial decontamination treatments for eliminating foodborne pathogens and enhancing chicken meat safety. The effect of gamma irradiation on the overall quality of chicken meat and its products must be observed to provide a comprehensive explanation to the public. This meta-analysis examined the effects of gamma irradiation on the oxidation parameters, microbial activity, physicochemical characteristics, sensory parameters, and nutrient quality of chicken meat and meat products. Materials and Methods We conducted a literature search using various search engines (Scopus®, PubMed®, and Google Scholar®) with "irradiation," "gamma," "chicken," and "meat" as keywords. Gamma irradiation treatment was set as a fixed effect, and the difference between experiments was set as a random effect. This study used a mixed-model methodology. After evaluation, we selected 43 articles (86 studies) for inclusion in the database. Results Gamma irradiation significantly increased (p < 0.01) thiobarbituric acid-reactive substance levels on days 0, 7, and 14 of storage. Gamma irradiation reduced total aerobic bacteria, coliforms, Salmonella, yeast, and mold activity (p < 0.01). According to our meta-analysis, 21.75 kGy was the best dose for reducing total aerobic bacteria. On day 0, gamma irradiation did not affect the color parameters (L*, a*, b*). However, a significant difference (p < 0.01) was noted for a* and b* parameters between the control and irradiation treatments at 7 and 14 days. Although irradiation treatment was less consistent in sensory parameters, overall acceptability decreased on days 0, 7, and 14 after storage (p < 0.05). Regarding nutrient composition, gamma irradiation reduced moisture content and free fatty acid (FFA) content (p < 0.05). Although irradiation significantly reduces the microbial population, it increases the oxidation of chicken meat and its products. Irradiation decreases FFA content and overall acceptability, but it does not affect flavor, tenderness, juiciness, or cooking loss. Conclusion Gamma irradiation positively reduces the microbial activity in chicken meat and its products but increases the oxidation parameters. Although gamma irradiation does not alter the flavor, tenderness, juiciness, or cooking loss, gamma irradiation can reduce the FFA content and overall acceptability.
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Affiliation(s)
- Raissha Rizqi Asmarani
- Graduate Student, Animal Science Faculty, Universitas Gadjah Mada, Sleman 55281, Indonesia
| | - Tri Ujilestari
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Muhammad Miftakhus Sholikin
- Research Center for Animal Husbandry, National Research and Innovation Agency of Indonesia, Bogor 16911, Indonesia
- Animal Feed and Nutrition Modelling Research Group (AFENUE), IPB University, Bogor 16680, Indonesia
- Center for Tropical Animal Studies (CENTRAS), The Institute of Research and Community Empowerment of IPB (LPPM IPB), Bogor 16680, Indonesia
| | - Wulandari Wulandari
- Research Center for Animal Husbandry, National Research and Innovation Agency of Indonesia, Bogor 16911, Indonesia
| | - Ema Damayanti
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Muslih Anwar
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Siska Aditya
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Mohammad Faiz Karimy
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Satriyo Krido Wahono
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
| | - Endy Triyannanto
- Department of Animal Products Technology, Animal Science Faculty, Universitas Gadjah Mada, Sleman 55281, Indonesia
| | - Danung Nur Adli
- Department of Feed and Animal Nutrition, Faculty of Animal Science, Universitas Brawijaya, Malang 65145, Indonesia
| | - Rio Olympias Sujarwanta
- Department of Animal Products Technology, Animal Science Faculty, Universitas Gadjah Mada, Sleman 55281, Indonesia
| | - Teguh Wahyono
- Research Center for Food Technology and Processing, National Research and Innovation Agency of Indonesia, Gunungkidul 55861, Indonesia
- Animal Feed and Nutrition Modelling Research Group (AFENUE), IPB University, Bogor 16680, Indonesia
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Effect of γ-irradiation in combination with natural antimicrobial formulation on microbial inactivation, protein digestibility and quality of mothers’ milk. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2022.105386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Effect of ɣ-irradiation on the microbial inactivation, nutritional value, and antioxidant activities of infant formula. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109211] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Microbial radiosensitization using combined treatments of essential oils and irradiation- part B: Comparison between gamma-ray and X-ray at different dose rates. Microb Pathog 2020; 143:104118. [PMID: 32147410 DOI: 10.1016/j.micpath.2020.104118] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/27/2020] [Accepted: 03/01/2020] [Indexed: 11/23/2022]
Abstract
Stored rice and rice products are prone to contamination by pathogenic fungi and bacteria such as Aspergillus niger, Bacillus cereus, and Paenibacillus amylolyticus. Treatment with antimicrobial essential oils (EOs) and irradiation are options to control spoilage organisms. Microbial samples with or without fumigation with an oregano/thyme EO mixture were irradiated at 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0 and 3.5 kGy for calculation of a D10 value. The relative sensitivity was calculated as the ratio of D10 values for the irradiation plus oregano and thyme EO combination and irradiation alone treatments. In all cases, irradiation plus fumigation with the oregano and thyme EO mixture showed increased efficacy compared with irradiation alone. The relative sensitivity of γ-ray irradiation against A. niger was 1.22, 1.33, and 1.24 for radiation dose rates of 10.445, 4.558, and 0.085 kGy/h, respectively, however against B. cereus it was 1.28, 1.45, and 1.49, and against P. amylolyticus it was 1.35, 1.33, and 1.38, for respective γ-ray irradiation dose rates. The relative sensitivity of X-ray irradiation against A. niger, B. cereus, and P. amylolyticus was 1.63, 1.21, and 1.31, respectively, at the X-ray dose rate of 0.76 kGy/h. The results showed that the relative sensitivity of γ-ray irradiation was higher against the two bacteria than the fungus, whereas X-ray showed higher sensitivity against the fungus than the two bacteria. There was no consistent positive or negative relationship between dose rate and relative sensitivity. The results demonstrated the potential of an oregano and thyme EOs mixture as an antimicrobial agent and its efficacy to increase the radiosensitization of A. niger, B. cereus, and P. amylolyticus during γ-ray or X-ray irradiation treatments.
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Abd El-Ghafour S, Zakar A, Mohamad AS. Changes of fatty acid profile of mullet fish (Mugil cephalus) fillets as influenced by gamma irradiation. THE EGYPTIAN JOURNAL OF AQUATIC RESEARCH 2018; 44:241-244. [DOI: 10.1016/j.ejar.2018.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Huq T, Vu KD, Riedl B, Bouchard J, Lacroix M. Synergistic effect of gamma (γ)-irradiation and microencapsulated antimicrobials against Listeria monocytogenes on ready-to-eat (RTE) meat. Food Microbiol 2015; 46:507-514. [DOI: 10.1016/j.fm.2014.09.013] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 09/08/2014] [Accepted: 09/12/2014] [Indexed: 10/24/2022]
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7
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Severino R, Vu KD, Donsì F, Salmieri S, Ferrari G, Lacroix M. Antimicrobial effects of different combined non-thermal treatments against Listeria monocytogenes in broccoli florets. J FOOD ENG 2014. [DOI: 10.1016/j.jfoodeng.2013.09.026] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kim HJ, Kang M, Jo C. Combined effects of electron beam irradiation and addition of onion peel extracts and flavoring on microbial and sensorial quality of pork jerky. ACTA ACUST UNITED AC 2012. [DOI: 10.7744/cnujas.2012.39.3.341] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Gecgel U. Changes in some physicochemical properties and fatty acid composition of irradiated meatballs during storage. Journal of Food Science and Technology 2011; 50:505-13. [PMID: 24425945 DOI: 10.1007/s13197-011-0375-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/25/2011] [Accepted: 04/06/2011] [Indexed: 11/25/2022]
Abstract
Meatball samples were irradiated using a (60)Co irradiation source (with the dose of 1, 3, 5 and 7 kGy) and stored (1, 2 and 3 weeks at 4°C) to appraise some physicochemical properties and the fatty acid composition. The physicochemical results showed no significant differences in moisture, protein, fat and ash content of meatballs because of irradiation. However, total acidity, peroxide and thiobarbituric acid (TBA) values increased significantly as a result of irradiation doses and storage period. The fatty acid profile in meatball samples changed with irradiation. While saturated fatty acids (C16:0, C17:0, C18:0, and C20:0) increased with irradiation, monounsaturated (C14:1, C15:1, C18:1, and C20:1) and polyunsaturated (C18:2, C18:3, and C22:2) fatty acids decreased with irradiation. Trans fatty acids (C16:1trans, C18:1trans, C18:2trans, C18:3trans) increased with increasing irradiation doses. Meatball samples irradiated at 7 kGy had the highest total trans fatty acid content. This research shows that some physicochemical properties and fatty acid composition of meatballs can be changed by gamma irradiation.
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Affiliation(s)
- Umit Gecgel
- Agricultural Faculty, Department of Food Engineering, Namik Kemal University, 59030 Tekirdag, Turkey
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Yun HJ, Kim HJ, Jung YK, Jung S, Lee JW, Jo CR. Effect of Natural Ingredients and Red Wine for Manufacturing Meat Products on Radiation Sensitivity of Pathogens Inoculated into Ground Beef. Korean J Food Sci Anim Resour 2010. [DOI: 10.5851/kosfa.2010.30.5.819] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Caillet S, Ursachi L, Shareck F, Lacroix M. Effect of gamma radiation and oregano essential oil on murein and ATP concentration of Staphylococcus aureus. J Food Sci 2010; 74:M499-508. [PMID: 20492121 DOI: 10.1111/j.1750-3841.2009.01368.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The study was carried out to evaluate the effects of gamma-irradiation alone or in combination with oregano essential oil on murein composition of Staphylococcus aureus and on the intracellular and extracellular concentration of ATP. The bacterial strain was treated with 3 irradiation doses: 1.2 kGy to induce cell damage, 2.9 kGy to obtain a viable but nonculturable state, and 3.5 kGy to cause cell death. Oregano essential oil was used at 0.010% and 0.013% (w/v), which is the minimum inhibitory concentration (MIC). All treatments had a significant effect (P < or = 0.05) on the murein composition, although some muropeptides did not seem to be affected by the treatment. Each treatment influenced differently the relative percentage and number of muropeptides. There was a significant (P < or = 0.05) correlation between the reduction of intracellular ATP and increase in extracellular ATP following treatment of the cells with oregano oil. The reduction of intracellular ATP was even more important when essential oil was combined with irradiation. Also, irradiation alone of S. aureus induced a significant decrease (P < or = 0.05) of the internal ATP and a significant increase (P < or = 0.05) of the external ATP. However, no significant difference (P > 0.05) was observed in ATP concentrations between different radiation doses. Transmission electron microscopic observation revealed that oregano oil and irradiation have an effect on cell wall structure.
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Affiliation(s)
- Stéphane Caillet
- Canadian Irradiation Center and Research Laboratories in Sciences Applied to Food, Canada
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14
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Bacterial radiosensitization by using radiation processing in combination with essential oil: Mechanism of action. Radiat Phys Chem Oxf Engl 1993 2009. [DOI: 10.1016/j.radphyschem.2009.03.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Turgis M, Han J, Millette M, Salmieri S, Borsa J, Lacroix M. Effect of selected antimicrobial compounds on the radiosensitization of Salmonella Typhi in ground beef. Lett Appl Microbiol 2009; 48:657-62. [PMID: 19413815 DOI: 10.1111/j.1472-765x.2009.02587.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS In this study, we extended our previous work to determine the efficiency of antimicrobial compounds in increase of relative radiosensitivity of Salmonella Typhi in medium fat ground beef (23% fat) by testing 41 different essential oils (EOs), oleoresins and food sauces. METHODS AND RESULTS Ground beef samples inoculated with Salmonella Typhi (10(6) CFU g(-1)) were treated with each antimicrobial compound at a concentration of 0.5% (w/w). Then, the samples (25 g each) were packaged under air and irradiated in a (60)Co irradiator at doses from 0 to 1.75 kGy. Radiosensitivity was evaluated by calculating relative radiation sensitivity, defined as the ratio of radiation D(10) value in the absence/presence of antimicrobial compound. CONCLUSIONS Depending on the compound tested, the addition of antimicrobial compound decreased the D(10) value of Salmonella Typhi, resulting in an increase of the radiation sensitivity up to more than four times. Among these antimicrobial compounds, Chinese cinnamon EO, clove EO and trans-cinnamaldehyde were most effective to increase the radiosensitivity of Salmonella Typhi in ground beef. SIGNIFICANCE AND IMPACT OF THE STUDY These observations demonstrate that some active compounds can function as radiosensitizers of Salmonella Typhi.
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Affiliation(s)
- M Turgis
- Canadian Irradiation Center, Research Laboratory in Sciences Applied to Food, INRS-Institut Armand-Frappier, Laval, QC, Canada
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Turgis M, Borsa J, Millette M, Salmieri S, Lacroix M. Effect of selected plant essential oils or their constituents and modified atmosphere packaging on the radiosensitivity of Escherichia coli O157:H7 and Salmonella typhi in ground beef. J Food Prot 2008; 71:516-21. [PMID: 18389694 DOI: 10.4315/0362-028x-71.3.516] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Twenty-six different essential oils were tested for their efficiency to increase the relative radiosensitivity of Escherichia coli and Salmonella Typhi in medium-fat ground beef (23% fat). Ground beef was inoculated with E. coli O157:H7 or Salmonella (10(6) CFU/g), and each essential oil or one of their main constituents was added separately at a concentration of 0.5% (wt/wt). Meat samples (10 g) were packed under air or under modified atmosphere and irradiated at doses from 0 to 1 kGy for the determination of the D10-value of E. coli O157:H7, and from 0 to 1.75 kGy for the determination of the D10-value of Salmonella Typhi. Depending on the compound tested, the relative radiation sensitivity increased from 1 to 3.57 for E. coli O157:H7 and from 1 to 3.26 for Salmonella Typhi. Addition of essential oils or their constituents before irradiation also reduced the irradiation dose needed to eliminate both pathogens. In the presence of Chinese cinnamon or Spanish oregano essential oils, the minimum doses required to eliminate the bacteria were reduced from 1.2 to 0.35 and from 1.4 to 0.5 for E. coli O157:H7 and Salmonella Typhi, respectively. Cinnamon, oregano, and mustard essential oils were the most effective radiosensitizers.
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Affiliation(s)
- M Turgis
- Canadian Irradiation Center, Research Laboratory in Sciences Applied to Food, INRS-Institut Armand-Frappier, Laval, Quebec, Canada
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Thomas J, Senthilkumar R, Kumar RR, Mandal A, Muraleedharan N. Induction of γ irradiation for decontamination and to increase the storage stability of black teas. Food Chem 2008. [DOI: 10.1016/j.foodchem.2007.05.064] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Erkan N, Özden Ö. The changes of fatty acid and amino acid compositions in sea bream (Sparus aurata) during irradiation process. Radiat Phys Chem Oxf Engl 1993 2007. [DOI: 10.1016/j.radphyschem.2007.01.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Caillet S, Lacroix M. Effect of gamma radiation and oregano essential oil on murein and ATP concentration of Listeria monocytogenes. J Food Prot 2006; 69:2961-9. [PMID: 17186665 DOI: 10.4315/0362-028x-69.12.2961] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The effects of gamma radiation and of oregano essential oil alone or in combination with radiation on murein composition of Listeria monocytogenes and on the intracellular and extracellular concentration of ATP were evaluated. The bacterial strain was treated with two radiation doses, 1.2 kGy to induce cell damage and 3.5 kGy to cause cell death. Oregano essential oil was used at 0.020 and 0.025% (wt/vol), which is the MIC. All treatments had a significant effect (P < or = 0.05) on the murein composition, although some muropeptides did not seem to be affected by the treatment. Each treatment influenced differently the relative percentage and number of muropeptides. There was a significant correlation (P < or = 0.05) between the reduction of intracellular ATP and increase in extracellular ATP, following treatment of the cells with oregano oil. The reduction of intracellular ATP was even more important when essential oil was combined with irradiation, but irradiation of L. monocytogenes alone induced a significant decrease (P < or = 0.05) of the internal ATP without affecting the external ATP. Transmission electron microscopic observation revealed that oregano oil and irradiation have an effect on cell wall structure.
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Affiliation(s)
- Stéphane Caillet
- Canadian Irradiation Center (CIC), 531 Boulevard des Prairies, Laval, Québec, Canada H7V 1B7
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Preservation of iced refrigerated sea bream (Sparus aurata) by irradiation: microbiological, chemical and sensory attributes. Eur Food Res Technol 2006. [DOI: 10.1007/s00217-006-0484-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Hoefer D, Malone S, Frenzen P, Marcus R, Scallan E, Zansky S. Knowledge, attitude, and practice of the use of irradiated meat among respondents to the FoodNet Population Survey in Connecticut and New York. J Food Prot 2006; 69:2441-6. [PMID: 17066925 DOI: 10.4315/0362-028x-69.10.2441] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Irradiation of fresh meat to control microbial pathogens received approval from the federal government in February 2000. Food irradiation is a useful, albeit underutilized, process that can help protect the public from foodborne illnesses. The objective of this study was to determine consumer knowledge, attitudes, and practices toward irradiated meat products. Data were obtained from a single-stage random-digit dialing telephone survey of residents of the Foodborne Diseases Active Surveillance Network (FoodNet) sites conducted in 2002 to 2003, which included supplemental questions about food safety and irradiated meat for residents of the Connecticut and New York sites. Thirty-seven percent of 3,104 respondents knew that irradiated fresh meat was available for purchase; however, only 2% found the product where they shopped. Knowledge of product availability was significantly influenced by whether a respondent lived in a county with one or more grocery stores operated by chain A, which had actively promoted the sale of irradiated fresh ground beef during the survey period. In a logistic regression model, after adjusting for other factors, respondents living in a county with chain A were more likely to know that irradiated products could be purchased than respondents living in other counties (odds ratio 2.0; 95% confidence interval 1.5 to 2.5). This finding suggests that public education efforts by an individual grocery store chain can have an important effect on knowledge of irradiated food.
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Affiliation(s)
- Dina Hoefer
- New York State Department of Health, Albany, New York 12237, USA.
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Javanmard M, Rokni N, Bokaie S, Shahhosseini G. Effects of gamma irradiation and frozen storage on microbial, chemical and sensory quality of chicken meat in Iran. Food Control 2006. [DOI: 10.1016/j.foodcont.2005.02.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Balamatsia CC, Rogga K, Badeka A, Kontominas MG, Savvaidis IN. Effect of low-dose radiation on microbiological, chemical, and sensory characteristics of chicken meat stored aerobically at 4 degrees C. J Food Prot 2006; 69:1126-33. [PMID: 16715814 DOI: 10.4315/0362-028x-69.5.1126] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The effect of gamma-radiation (0.5, 1, and 2 kGy) on the shelf life of fresh skinless chicken breast fillets stored aerobically at 4 degrees C was evaluated. Microbiological, chemical, and sensorial changes occurring in chicken samples were monitored for 21 days. Irradiation reduced populations of bacteria, i.e., total viable bacteria, Brochothrix thermosphacta, lactic acid bacteria (LAB), and the effect was more pronounced at the highest dose (2 kGy). Pseudomonads, yeasts and molds, and Enterobacteriaceae were highly sensitive to gamma-radiation and were completely eliminated at all doses. Of the chemical indicators of spoilage, thiobarbituric values for nonirradiated and irradiated aerobically packaged chicken samples were in general low (<1 mg of malonaldehyde per kg of muscle) during refrigerated storage for 21 days. With regard to volatile amines, both trimethylamine nitrogen (TMA-N) and total volatile basic nitrogen (TVB-N) values for nonirradiated aerobically packaged chicken increased steeply, with final values of ca. 20.3 and 58.5 mg N/100 g of muscle, respectively. Irradiated aerobically packaged chicken samples had significantly lower TMA-N and TVB-N values (P < 0.05) of ca. 2.2 to 3.6 and 30.5 to 37.1 mg N/100 g of muscle, respectively, during refrigerated storage for 21 days. Of the biogenic amines monitored, only putrescine and cadaverine were detected in significant concentrations in both nonirradiated and irradiated chicken samples, whereas histamine formation was noted only in nonirradiated samples throughout storage. On the basis of sensorial evaluation, low-dose irradiation (0.5 and 1.0 kGy) in combination with aerobic packaging extended the shelf life of fresh chicken fillets by ca. 4 to 5 days, whereas irradiation at 2.0 kGy extended the shelf life by more than 15 days compared with that of nonirradiated chicken.
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Affiliation(s)
- Christiana C Balamatsia
- Laboratory of Food Chemistry and Food Microbiology, Department of Chemistry, University of Ioannina, Ioannina 45110, Greece
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Caillet S, Millette M, Salmiéri S, Lacroix M. Combined effects of antimicrobial coating, modified atmosphere packaging, and gamma irradiation on Listeria innocua present in ready-to-use carrots (Daucus carota). J Food Prot 2006; 69:80-5. [PMID: 16416904 DOI: 10.4315/0362-028x-69.1.80] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The objective of this study was to evaluate the effect of an edible antimicrobial coating combined with modified atmosphere (MA) packaging (60% O2, 30% CO2, and 10% N2) and gamma irradiation on peeled minicarrots inoculated with Listeria innocua. Carrots were inoculated with L. innocua (10(3) CFU/g) and then coated with an antimicrobial coating based on calcium caseinate containing trans-cinnamaldehyde. The same formulation without trans-cinnamaldehyde was used as an inactive coating. Coated and uncoated carrots were packed under the MA or under air, irradiated at 0.25 or 0.5 kGy, and stored at 4 +/- 1 degrees C for 21 days. Samples were evaluated periodically for enumeration of L. innocua. Unirradiated carrots stored under air had the highest concentrations of L. innocua after 21 days of storage: 2.23 CFU/g in the uncoated samples and 2.26 CFU/ g in samples coated with the inactive coating. These results suggest that the inactive coating did not have any antimicrobial effect against L. innocua. However, the addition of the antimicrobial coating resulted in a 1.29-log reduction in the concentration of L. innocua in carrots packed under air after 21 days of storage and a 1.08-log reduction in carrots packed under MA after 7 days of storage. After 7 days of storage, no L. innocua was detected in samples treated at 0.5 kGy under air or in samples treated at 0.25 kGy under MA. A complete inhibition of L. innocua was also observed during all storage periods in uncoated and coated samples treated at 0.5 kGy under MA. These results indicate that the combination of irradiation and MA conditions play an important role in the radiosensitization of L. innocua.
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Affiliation(s)
- S Caillet
- Canadian Irradiation Center and Research Laboratory in Sciences Applied to Food, Institut National de la Recherche Scientifique, Institut Armand-Frappier, Université du Quebec, 531 Blvd des Prairies, Laval, Québec, Canada H7V 1B7
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Caillet S, Millette M, Turgis M, Salmieri S, Lacroix M. Influence of antimicrobial compounds and modified atmosphere packaging on radiation sensitivity of Listeria monocytogenes present in ready-to-use carrots (Daucus carota). J Food Prot 2006; 69:221-7. [PMID: 16416924 DOI: 10.4315/0362-028x-69.1.221] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Radiosensitization of Listeria monocytogenes was determined in the presence of trans-cinnamaldehyde, Spanish oregano, winter savory, and Chinese cinnamon on peeled minicarrots packed under air or under a modified atmosphere (60% O2, 30% CO2, and 10% N2). Samples were inoculated with L. monocytogenes HPB 2812 serovar 1/2a (106 CFU/g) and were coated separately with each active compound (0.5%, wt/wt) before being packaged under air or the modified atmosphere and irradiated at doses from 0.07 to 2.4 kGy. Results indicated that the bacterium was more resistant to irradiation under air in the absence of active compound. The dose required to reduce L. monocytogenes population by 1 log CFU (D10) was 0.36 kGy for samples packed under air and 0.17 kGy for those packed under the modified atmosphere. The active compounds evaluated in this study had an effect on the radiation sensitivity of L. monocytogenes on carrots. The most efficient compound was trans-cinnamaldehyde, where a mean 3.8-fold increase in relative radiation sensitivity was observed for both atmospheres compared with the control. The addition of winter savory and Chinese cinnamon produced a similar increase in relative radiation sensitivity but only when samples where packed under modified atmosphere conditions.
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Affiliation(s)
- S Caillet
- Research Laboratory in Sciences Applied to Food, Canadian Irradiation Center, Institut National de la Recherche Scientifique, Institut Armand-Frappier, Université du Québec, 531 Boulevard des Prairies, Laval, Québec, Canada H7V 1B7
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Caillet S, Shareck F, Lacroix M. Effect of gamma radiation and oregano essential oil on murein and ATP concentration of Escherichia coli O157:H7. J Food Prot 2005; 68:2571-9. [PMID: 16355828 DOI: 10.4315/0362-028x-68.12.2571] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study was carried out to evaluate the effects of gamma radiation alone or in combination with oregano essential oil on the murein composition of Escherichia coli O157:H7 and on the intracellular and extracellular concentrations of ATP. The bacterial strain was treated with three radiation doses: 0.4 kGy to induce cell damage, 1.1 kGy to obtain a viable but non-culturable state, and 1.3 kGy to cause cell death. Oregano essential oil was used at 0.006 and 0.025% (wt/vol), which is the MIC. All treatments had a significant effect (P < or = 0.05) on the murein composition, although some muropeptides did not seem to be affected by the treatment. Each treatment had a different effect on the relative percentage and number of muropeptides. There was a significant correlation (P < or = 0.05) between the decrease in intracellular ATP and the increase in extracellular ATP following treatment of the cells with oregano oil. The reduction of intracellular ATP was even more important when oregano oil was combined with irradiation, but irradiation alone at a high dose (< or = 1.1 kGy) significantly decreased (P < or = 0.05) the internal ATP without affecting the external ATP. Transmission electron microscopic examination revealed that oregano oil and irradiation have an effect on cell wall structure.
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Affiliation(s)
- Stéphane Caillet
- Canadian Irradiation Center and Research Laboratory in Sciences Applied to Food
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Lacroix M, Chiasson F. The influence of MAP condition and active compounds on the radiosensitization of Escherichia coli and Salmonella typhi present in chicken breast. Radiat Phys Chem Oxf Engl 1993 2004. [DOI: 10.1016/j.radphyschem.2004.04.059] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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The influence of atmosphere conditions on Escherichia coli and Salmonella typhi radiosensitization in irradiated ground beef containing carvacrol and tetrasodium pyrophosphate. Radiat Phys Chem Oxf Engl 1993 2004. [DOI: 10.1016/j.radphyschem.2004.04.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Lacroix M, Ouattara B, Saucier L, Giroux M, Smoragiewicz W. Effect of gamma irradiation in presence of ascorbic acid on microbial composition and TBARS concentration of ground beef coated with an edible active coating. Radiat Phys Chem Oxf Engl 1993 2004. [DOI: 10.1016/j.radphyschem.2004.04.057] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chiasson F, Borsa J, Ouattara B, Lacroix M. Radiosensitization of Escherichia coli and Salmonella Typhi in ground beef. J Food Prot 2004; 67:1157-62. [PMID: 15222543 DOI: 10.4315/0362-028x-67.6.1157] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The radiosensitization of two pathogenic bacteria, Escherichia coli and Salmonella Typhi, was evaluated in the presence of thyme and its principal essential oil constituents (carvacrol and thymol) in ground beef. Ground beef was inoculated with E. coli or Salmonella Typhi (10(5) CFU/g), and each compound was added separately at various concentrations (0 to 3.5%, wt/wt). The antimicrobial potential of carvacrol, thymol, and thyme was evaluated in unirradiated meat by determining the MIC in percentage (wt/wt) after 24 h of storage at 4 +/- 1 degree C. Results showed a MIC of 0.88 +/- 0.12%, 1.14 +/- 0.05%, and 2.33 +/- 0.32% for E. coli in the presence of carvacrol, thymol, and thyme, respectively. MICs of 1.15 +/- 0.02%, 1.60 +/- 0.01%, and 2.75 +/- 0.17% were observed for Salmonella Typhi in the presence of the same compounds, respectively. The best antimicrobial compound (i.e., carvacrol) was selected and added to the sterilized ground beef along with ascorbic acid (0.5%, wt/wt) and tetrasodium pyrophosphate (0.1%, wt/wt). Meat samples (10 g) were packed in air and then irradiated in a 60Co irradiator at doses of 0 to 0.7 kGy for the determination of E. coli radiation D10 and 0 to 2.25 kGy for the determination of Salmonella Typhi radiation D10. Addition of carvacrol increased the relative sensitivity of both bacteria 2.2 times. The radiation D10 was reduced from 0.126 +/- 0.0039 to 0.057 +/- 0.0015 kGy for E. coli and from 0.519 +/- 0.0308 to 0.235 +/- 0.0158 kGy for Salmonella Typhi. The addition of tetrasodium pyrophosphate did not affect significantly (P > 0.05) the radiosensitization of either bacterium. However, the presence of ascorbic acid in the media reduced significantly (P < or = 0.05) the radiosensitivity of both bacteria. An additive effect of carvacrol addition and packaging under modified atmosphere conditions (60% O2-30% CO2-10% N2) was also observed on bacterial radiosensitization at 4 degrees C. Compared with the control packed under air, modified atmosphere packaging conditions in the presence of carvacrol and tetrasodium pyrophosphate improved the relative sensitivity of E. coli by 2.7 times and Salmonella Typhi by 9.9 times.
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Affiliation(s)
- F Chiasson
- Research Laboratories in Sciences Applied to Food, INRS, Institut Armand-Frappier, 531 Boul. des Prairies, Laval, Québec, Canada
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