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Lee SG, Kim SJ, Bang WS, Yuk HG. Combined antibacterial effect of 460 nm light-emitting diode illumination and chitosan against Escherichia coli O157:H7, Salmonella spp. and Listeria monocytogenes on fresh-cut melon, and the impact of combined treatment on fruit quality. Food Sci Biotechnol 2024; 33:191-202. [PMID: 38186619 PMCID: PMC10766941 DOI: 10.1007/s10068-023-01324-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 04/08/2023] [Accepted: 04/26/2023] [Indexed: 01/09/2024] Open
Abstract
This study evaluated the combined antibacterial effect of 460 nm LED illumination and chitosan on Escherichia coli O157:H7, Salmonella spp. and Listeria monocytogenes on fresh-cut melon surface and its impact on the quality of melon at a total dose of 2.4 kJ/cm2 at 4 and 10 °C. Results showed that the antibacterial effect of LED illumination in combination with chitosan (0.5 and 1.0%) was much better than that of LED illumination alone, showing their synergistic effect. Among the pathogens, L. monocytogenes was the most susceptible pathogen to LED illumination. Although the color of melons became paler after LED illumination, there was little to no change in ascorbic acid content, total flavonoid content, or antioxidant capacity of the illuminated fruits compared with non-illuminated fruits. Thus, these results suggest that chitosan-mediated 460 nm LED illumination could be applied to inactivate foodborne pathogens on fresh-cut melons during storage at food establishments.
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Affiliation(s)
- Seok-Gyu Lee
- Department of Food Science and Technology, Korea National University of Transportation, 61 Daehak-ro, Jeungpyeong-gun, Chungbuk 27909 Korea
| | - Su-Jin Kim
- Department of Food and Nutrition, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541 Korea
| | - Woo-Suk Bang
- Department of Food and Nutrition, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541 Korea
| | - Hyun-Gyun Yuk
- Department of Food Science and Technology, Korea National University of Transportation, 61 Daehak-ro, Jeungpyeong-gun, Chungbuk 27909 Korea
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Xie LY, Xu YB, Ding XQ, Liang S, Li DL, Fu AK, Zhan XA. Itaconic acid and dimethyl itaconate exert antibacterial activity in carbon-enriched environments through the TCA cycle. Biomed Pharmacother 2023; 167:115487. [PMID: 37713987 DOI: 10.1016/j.biopha.2023.115487] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/08/2023] [Accepted: 09/08/2023] [Indexed: 09/17/2023] Open
Abstract
Itaconic acid (IA), a metabolite generated by the tricarboxylic acid (TCA) cycle in eukaryotic immune cells, and its derivative dimethyl itaconate (DI) exert antibacterial functions in intracellular environments. Previous studies suggested that IA and DI only inhibit bacterial growth in carbon-limited environments; however, whether IA and DI maintain antibacterial activity in carbon-enriched environments remains unknown. Here, IA and DI inhibited the bacteria with minimum inhibitory concentrations of 24.02 mM and 39.52 mM, respectively, in a carbon-enriched environment. The reduced bacterial pathogenicity was reflected in cell membrane integrity, motility, biofilm formation, AI-2/luxS, and virulence. Mechanistically, succinate dehydrogenase (SDH) activity and fumaric acid levels decreased in the IA and DI treatments, while isocitrate lyase (ICL) activity was upregulated. Inhibited TCA circulation was also observed through untargeted metabolomics. In addition, energy-related aspartate metabolism and lysine degradation were suppressed. In summary, these results indicated that IA and DI reduced bacterial pathogenicity while exerting antibacterial functions by inhibiting TCA circulation. This study enriches knowledge on the inhibition of bacteria by IA and DI in a carbon-mixed environment, suggesting an alternative method for treating bacterial infections by immune metabolites.
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Affiliation(s)
- L Y Xie
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - Y B Xu
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - X Q Ding
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - S Liang
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - D L Li
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - A K Fu
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
| | - X A Zhan
- Key Laboratory of Animal Nutrition and Feed in East China, Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China.
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The combined effect of folic acid and 365–405 nm light emitting diode for inactivation of foodborne pathogens and its bactericidal mechanisms. Int J Food Microbiol 2022; 373:109704. [DOI: 10.1016/j.ijfoodmicro.2022.109704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 04/14/2022] [Accepted: 05/02/2022] [Indexed: 11/24/2022]
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Yu X, Zheng P, Zou Y, Ye Z, Wei T, Lin J, Guo L, Yuk HG, Zheng Q. A review on recent advances in LED-based non-thermal technique for food safety: current applications and future trends. Crit Rev Food Sci Nutr 2022; 63:7692-7707. [PMID: 35369810 DOI: 10.1080/10408398.2022.2049201] [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] [Indexed: 11/03/2022]
Abstract
Light-emitting diodes (LEDs) is an eco-friendly light source with broad-spectrum antimicrobial activity. Recent studies have extensively been conducted to evaluate its efficacy in microbiological safety and the potential as a preservation method to extend the shelf-life of foods. This review aims to present the latest update of recent studies on the basics (physical, biochemical and mechanical basics) and antimicrobial activity of LEDs, as well as its application in the food industry. The highlight will be focused on the effects of LEDs on different types (bacteria, yeast/molds, viruses) and forms (planktonic cells, biofilms, endospores, fungal toxin) of microorganisms. The antimicrobial activity of LEDs on various food matrices was also evaluated, together with further analysis on the food-related factors that lead to the differences in LEDs efficiency. Besides, the applications of LEDs on the food-related conditions, packaged food, and equipment that could enhance LEDs efficiency were discussed to explore the future trends of LEDs technology in the food industry. Overall, the present review provides important insights for future research and the application of LEDs in the food industry.
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Affiliation(s)
- Xinpeng Yu
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Peng Zheng
- College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Yuan Zou
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Zhiwei Ye
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Tao Wei
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Junfang Lin
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Liqiong Guo
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
| | - Hyun-Gyun Yuk
- Department of Food Science and Technology, Korea National University of Transportation, Chungbuk, Republic of Korea
| | - Qianwang Zheng
- College of Food Science & Institute of Food Biotechnology, South China Agricultural University, Guangzhou, China
- Research Center for Micro-Ecological Agent Engineering and Technology of Guangdong Province, Guangzhou, China
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Pei J, Zhu S, Liu Y, Song Y, Xue F, Xiong X, Li C. Photodynamic Effect of Riboflavin on Chitosan Coatings and the Application in Pork Preservation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041355. [PMID: 35209144 PMCID: PMC8877613 DOI: 10.3390/molecules27041355] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/13/2022] [Accepted: 02/14/2022] [Indexed: 11/18/2022]
Abstract
Riboflavin (RF) was considered to be possessed of photoactivity to generate reactive oxygen species (ROS) under ultraviolet (UV) light, which is thought to be a favorable antibacterial candidate. Herein, RF was incorporated into chitosan (CS) coatings and treated under UV with different exposure times (2, 4, and 6 h) to improve the physicochemical and antibacterial properties. The results showed that the light transmittance and antibacterial performance of chitosan coatings gradually increased with the extension of the UV irradiation time. The antibacterial ability of chitosan coatings correlated with the generation of ROS: ∙OH and H2O2, which achieved 1549.08 and 95.48 μg/g, respectively, after 6 h irradiation. Furthermore, the chitosan coatings with UV irradiation also reduced the pH value, total volatile basic nitrogen (TVB-N), ΔE, and total viable counts (TVC) and improved sensory attributes of pork. In conclusion, the UV irradiated chitosan coatings could be used as an environmentally friendly antimicrobial packaging material to effectively delay the spoilage of pork, maintain its sensory quality and prolong its shelf life.
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Affiliation(s)
- Jiliu Pei
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
| | - Shengyu Zhu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
| | - Yu Liu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
| | - Yukang Song
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
| | - Feng Xue
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China;
| | - Xiaohui Xiong
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
| | - Chen Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China; (J.P.); (S.Z.); (Y.L.); (Y.S.); (X.X.)
- Correspondence: ; Tel.: +86-138-13362715
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Ahanger AM, Kumar S, Arya A, Suryavanshi A, Kain D, Vandana. Synthesis and Encapsulation of Ajuga parviflora Extract with Zeolitic Imidazolate Framework-8 and Their Therapeutic Action against G + and G - Drug-Resistant Bacteria. ACS OMEGA 2022; 7:1671-1681. [PMID: 35071862 PMCID: PMC8772321 DOI: 10.1021/acsomega.1c03984] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/23/2021] [Indexed: 10/29/2023]
Abstract
Infectious diseases caused by bacteria have become a public health issue. Antibiotic therapy for infectious disorders, as well as antibiotic overuse, has resulted in antibiotic-resistant bacterial strains. Zeolitic imidazolate framework-8 (ZIF-8) possesses a wide surface area, high porosity, variable functionality, and potential drug carriers. We have established a clear method for making a nanoscale APE@ZIF-8 nanocomposite agent with outstanding antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and cephalosporin-carbapenem-resistant Escherichia coli (CCREC). We present a unique approach for encapsulating molecules ofAjuga parviflora extract (APE) with ZIF-8. APE@ZIF-8 has a positive charge. By electrostatic contact with the negatively charged bacterial surface of S. aureus and E. coli, APE@ZIF-8 NPs produce reactive oxygen species (ROS) that damage bacterial cell organelles. As a result, the APE@ZIF-8 nanocomposite offers limitless application potential in the treatment of infectious disorders caused by drug-resistant gram-positive and gram-negative bacteria.
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Affiliation(s)
- Ab Majeed Ahanger
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
| | - Suresh Kumar
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
| | - Atul Arya
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
| | - Amrita Suryavanshi
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
| | - Dolly Kain
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
| | - Vandana
- Medicinal
Plant Research Laboratory, Department of Botany, Ramjas College, University of Delhi, New Delhi 110007, India
- Department
of Chemistry, Dyal Singh College, University
of Delhi, New Delhi 110003, India
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