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Ryu V, Chuesiang P, Ngo H, Ashby RD, Fan X. Sustainable bio-based antimicrobials derived from fatty acids: Synthesis, safety, and efficacy. Crit Rev Food Sci Nutr 2022; 64:5911-5923. [PMID: 36571149 DOI: 10.1080/10408398.2022.2160430] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Some conventional sanitizers and antibiotics used in food industry may be of concerns due to generation of toxic byproducts, impact on the environment, and the emergence of antibiotic resistance bacteria. Bio-based antimicrobials can be an alternative to conventional sanitizers since they are produced from renewable resources, and the bacterial resistance to these compounds is of less concern than those of currently used antibiotics. Among the bio-based antimicrobial compounds, those produced via either fermentation or chemical synthesis by covalently or electrovalently attaching specific moieties to the fatty acid have drawn attention in recent years. Disaccharide, arginine, vitamin B1, and phenolics are linked to fatty acids resulting in the production of sophorolipid, lauric arginate ethyl ester, thiamin dilauryl sulfate, and phenolic branched-chain fatty acid, respectively, all of which are reported to exhibit antimicrobial activity by targeting the cell membrane of the bacteria. Also, studies that applied these compounds as food preservatives by combining them with other compounds or treatments have been reviewed regarding extending the shelf life and inactivating foodborne pathogens of foods and food products. In addition, the phenolic branched-chain fatty acids, which are relatively new compounds compared to the others, are highlighted in this review.
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Affiliation(s)
- Victor Ryu
- USDA, ARS, Eastern Regional Research Center, Wyndmoor, PA, USA
| | - Piyanan Chuesiang
- Department of Food Technology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Helen Ngo
- USDA, ARS, Eastern Regional Research Center, Wyndmoor, PA, USA
| | - Richard D Ashby
- USDA, ARS, Eastern Regional Research Center, Wyndmoor, PA, USA
| | - Xuetong Fan
- USDA, ARS, Eastern Regional Research Center, Wyndmoor, PA, USA
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Seo MK, Na KW, Han SH, Park SH, Ha SD. Inhibitory effect of ethanol and thiamine dilaurylsulfate against loosely, intermediately, and tightly attached mesophilic aerobic bacteria, coliforms, and Salmonella Typhimurium in chicken skin. Poult Sci 2020; 99:1571-1580. [PMID: 32115034 PMCID: PMC7587754 DOI: 10.1016/j.psj.2019.10.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/22/2019] [Accepted: 10/22/2019] [Indexed: 11/17/2022] Open
Abstract
The effects of 3 ethanol levels (30, 50, and 70%) with and without thiamine dilaurylsulfate (TDS; 1,000 ppm) were evaluated for the reduction of natural mesophilic aerobic bacteria (MAB), coliforms, and inoculated Salmonella Typhimurium (S. Typhimurium) in chicken skin. The chicken skin was inoculated with a 7 log cfu/mL suspension of S. Typhimurium. Loosely, intermediately, and tightly attached cells were recovered from chicken skin through shaking at 200 rpm for 5 min, stomaching for 1 min, and blending for 1 min, respectively. Increasing the ethanol concentration reduced the number of MAB, coliforms, and S. Typhimurium on the chicken skin, whereas TDS treatment without ethanol was not effective. Intermediately and tightly attached microorganisms (total MAB, coliforms, and S. Typhimurium) were more resistant to chemical disinfectants than loosely attached microorganisms. The combination of 70% ethanol with TDS was most effective than the combination of TDS with lower concentrations of ethanol in reducing populations of loosely, intermediately, and tightly attached MAB (by 1.88 log cfu/g, 1.21 log cfu/g, and 0.84 log cfu/g, respectively), coliforms (by 1.14 log cfu/g, 1.04 log cfu/g, and 0.67 log cfu/g, respectively), and S. Typhimurium (by 1.62 log cfu/g, 1.72 log cfu/g, and 1.27 log cfu/g, respectively). However, the chicken skin treated with higher concentrations of ethanol was tougher (P < 0.05) and more yellow and less red (P < 0.05) than that treated with lower concentrations of ethanol or with water (control). On the other hand, a combination of 30% ethanol and TDS yielded the best results, showing the reduction greater than 0.5 log cfu/g in S. Typhimurium, with no negative effect on chicken skin color or texture. Thus, a combination of 30% ethanol and TDS appears to be the optimal treatment for reducing microbial contamination of skin-on chicken products to enhance poultry safety without decreasing food quality, and this treatment could be applied in the poultry industry.
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Affiliation(s)
- Min-Kyoung Seo
- Department of Food Science and Technology, Advanced Food Safety Research group, Brain Korea 21 Plus, Chung-Ang University, Anseong 17546, Kyeonggi-do, Republic of Korea
| | - Kyung Won Na
- Department of Food Science and Technology, Advanced Food Safety Research group, Brain Korea 21 Plus, Chung-Ang University, Anseong 17546, Kyeonggi-do, Republic of Korea
| | - Sang Ha Han
- Department of Food Science and Technology, Advanced Food Safety Research group, Brain Korea 21 Plus, Chung-Ang University, Anseong 17546, Kyeonggi-do, Republic of Korea
| | - Si-Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis 97331, OR, USA
| | - Sang-Do Ha
- Department of Food Science and Technology, Advanced Food Safety Research group, Brain Korea 21 Plus, Chung-Ang University, Anseong 17546, Kyeonggi-do, Republic of Korea.
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Koo EJ, Kwon KH, Oh SW. The antimicrobial effect of thiamine dilauryl sulfate in tofu inoculated with Escherichia coli O157:H7, Salmonella Typhimurium, Listeria monocytogenes and Bacillus cereus. Food Sci Biotechnol 2018; 27:283-289. [PMID: 30263751 PMCID: PMC6049761 DOI: 10.1007/s10068-017-0240-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 09/25/2017] [Accepted: 09/27/2017] [Indexed: 11/29/2022] Open
Abstract
Thiamine dilauryl sulfate (TDS) is a food additive that is used as a bactericidal agent. This study examines the antimicrobial effect of TDS on tofu inoculated with Escherichia coli O157:H7, Salmonella Typhimurium, Listeria monocytogenes, and Bacillus cereus. Tofu was inoculated with 100 μL of each microorganism and TDS solution (0.1, 0.5, 1, and 2%) was added to all bags, which were stored at 5 and 25 °C for 5 days. Sensory evaluations were conducted with tofu stored at 5 °C. At 5 °C, with a 2% TDS, E. coli O157:H7, S. Typhimurium, L. monocytogenes, and B. cereus were reduced by 0.29, 0.36, 0.70, and 1.47 log CFU/g, respectively. None of the sensory characteristics of tofu treated with TDS were significantly different from those of the control. Consequently, this study shows the potential of TDS as an antimicrobial agent with a practical application in tofu to ensure food safety.
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Affiliation(s)
- Eun-Jeong Koo
- Namyang Dairy Products Co., Ltd., Sejong City, Republic of Korea
| | - Ki-Hyun Kwon
- Korea Food Research Institute, Seongnam-si, Gyeonggi-do Republic of Korea
| | - Se-Wook Oh
- Department of Food and Nutrition, Kookmin University, Seoul, 136-702 Republic of Korea
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Oh SR, Park SY, Ha SD. Combined effects of chlorine and thiamine dilauryl sulfate on reduction of Listeria monocytogenes in chicken breast and development of predictive growth models. Poult Sci 2014; 93:1503-10. [PMID: 24879700 DOI: 10.3382/ps.2013-03427] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The inhibitory effect of chlorine (50, 100, and 200 mL/kg) and thiamine dilauryl sulfate (TDS: 100, 500, and 1,000 mg/kg) on Listeria monocytogenes in chicken breast was investigated. Also, predictive growth models as a function of chlorine and TDS concentration, and storage temperature (4, 10, and 15°C) were developed using a polynomial model. Listeria monocytogenes counts were significantly (P < 0.05) different in samples treated with sterile distilled water and combinations of chlorine and TDS. The maximum reduction effect was 0.5 log cfu/g by combined treatment of 200 mL/kg chlorine and 1,000 mg/kg TDS. The largest synergistic effect was 0.38 log cfu/g by combined treatment of 100 mL/kg chlorine and 1,000 mg/kg TDS. The primary models that were developed to obtain the specific growth rates (SGR) and lag time (LT) had good fitness (R(2) > 0.91) determined by the reparameterized Gompertz equation. The secondary polynomial models were calculated by nonlinear regression analysis. In the validation of the developed models, the bias factor (Bf) and accuracy factor (Af) for SGR were 0.54 and 1.84, respectively, whereas those for LT were 0.97 and 1.04, respectively. In quality analysis, chlorine and TDS did not change the color or texture of chicken breast meat during storage at 4°C for 7 d. Thus, our findings indicate that a combined treatment of 100 mL/kg chlorine and 1,000 mg/kg TDS appears to an effective method into reduce L. monocytogenes in broiler carcasses with no negative effects on color and textural quality. The predictive models were in good agreement with the validation and may be used to predict L. monocytogenes growth in chicken breast.
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Affiliation(s)
- Se-Ra Oh
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-ri, Daeduk-myun, Ansung, Gyunggido 456-756, Republic of Korea
| | - Shin Young Park
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-ri, Daeduk-myun, Ansung, Gyunggido 456-756, Republic of Korea
| | - Sang-Do Ha
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-ri, Daeduk-myun, Ansung, Gyunggido 456-756, Republic of Korea
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Srey S, Park SY, Jahid IK, Oh SR, Han N, Zhang CY, Kim SH, Cho JI, Ha SD. Evaluation of the removal and destruction effect of a chlorine and thiamine dilaurylsulfate combined treatment on L. monocytogenes biofilm. Foodborne Pathog Dis 2014; 11:658-63. [PMID: 24971770 DOI: 10.1089/fpd.2013.1734] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The present study investigated the efficacy of single and combined treatment of both chlorine and thiamine dilaurylsulfate (TDS) on the reduction of Listeria monocytogenes biofilms in microtiter plate. The disinfectants used in this study were 50, 100, and 200 mg/L chlorine and 100, 500, and 1000 mg/L of TDS. Biofilm-forming index (BFI) and culturable cell count were used to evaluate the disinfectant assay. The highest BFI reduction was 0.80, achieved by the combination of 200 mg/L chlorine and 1000 mg/L TDS. In contrast, the highest culturable cell count reduction was 4.80 log colony-forming units/well by the combination of 200 mg/L chlorine and 100 mg/L TDS. The BFI was reduced in a concentration-dependent manner while culturable cell count was significantly reduced only when all chlorine concentration was combined with 100 mg/L TDS. However, when chlorine was combined with a higher concentration of TDS, the reduction decreased significantly. The result in this study showed that the combination of the 200 mg/L chlorine and 1000 mg/L TDS could be a practical application in removing L. monocytogenes biofilms from surfaces in food industry, and for the 200 mg/L chlorine and 100 mg/L, it can be used for killing the pathogen biofilms. However, more studies are still needed in order to show its efficacy on foods surfaces as well as to develop an even more effective treatment in both killing and removing biofilms.
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Affiliation(s)
- Sokunrotanak Srey
- 1 School of Food Science and Technology, Chung-Ang University , Anseong-si, Gyeonggi-do, South Korea
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Lee NY, Park SY, Kang IS, Ha SD. The evaluation of combined chemical and physical treatments on the reduction of resident microorganisms and Salmonella Typhimurium attached to chicken skin. Poult Sci 2014; 93:208-15. [PMID: 24570441 DOI: 10.3382/ps.2013-03536] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
This study was conducted to evaluate the efficacy of sodium hypochlorite (NaOCl, 0-200 mg/kg), thiamine dilauryl sulfate (TDS, 1,000 mg/kg), and ultrasound (37 kHz, 380 W) on reducing Salmonella Typhimurim, mesophilic aerobic bacteria (MAB), and coliforms on chicken skin. Chemical and physical treatments were applied for 5 min either singly or jointly, and Salmonella previously inoculated on chicken skin were quantitatively assessed using brilliant green agar, and the populations of MAB and coliforms in the native flora were enumerated using plate count agar and violet red bile agar, respectively. In the evaluation of bacterial attachment/detachment, chicken skin was quantitatively assessed for loosely, intermediately, and tightly attached bacteria. The treatment effects on bacteria detachment were also visualized using field emission scanning electron microscopy. In addition, color and textural properties of the skin after treatments were evaluated using a color difference meter and texture analyzer. Antimicrobial activity of NaOCl increased as the NaOCl concentration was increased, especially for loosely attached cells. The combination of 200 mg/kg NaOCl and ultrasound (NaOCl/ultrasound) significant reduced loosely, intermediately, and tightly attached bacteria populations by 0.75 to 0.47, 0.43 to 0.41, and 0.83 to 0.54 log cfu/g for MAB, coliforms, and Salmonella Typhimurium, respectively. However, the combination of NaOCl and TDS (NaOCl/TDS) did not sufficiently reduce those cells on chicken skins, except for loosely attached MAB and coliforms. The NaOCl/ultrasound combination produced a higher reduction in numbers of inoculated and native bacteria flora than any single application, with no negative effect on skin color or texture. Generally, the loosely attached bacteria were less resistant to the chemical and physical treatments than the intermediately and tightly attached bacteria in chicken skin, presumably due to their location in deeper skin layer and crevices. Further research is needed to investigate how the intermediately and tightly attached microorganisms can be effectively eliminated from chicken skin.
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Affiliation(s)
- N Y Lee
- School of Food Science and Technology, Chung-Ang University, 72-1 Nae-Ri, Daeduck-Myun, Ansung, Kyungggido 456-756, Republic of Korea
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