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Cai M, Xu Q, Zhao S, Zhou X, Cai Y, He X. Antibacterial Effect of Euryale ferox Seed Shell Polyphenol Extract on Salmonella Typhimurium. Foodborne Pathog Dis 2024; 21:570-577. [PMID: 38957974 DOI: 10.1089/fpd.2023.0185] [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: 07/04/2024] Open
Abstract
This study aimed to evaluate the effects of Euryale ferox Seed Shell Polyphenol Extract (EFSSPE) on a foodborne pathogenic bacterium. EFSSPE showed antimicrobial activity toward Salmonella Typhimurium CICC 22956; the minimum inhibitory concentration of EFSSPE was 1.25 mg/mL, the inhibition curve also reflected the inhibitory effect of EFSSPE on the growth of S. Typhimurium. Detection of alkaline phosphatase outside the cell revealed that EFSSPE treatment damaged the cell wall integrity of S. Typhimurium. EFSSPE also altered the membrane integrity, thereby causing leaching of 260-nm-absorbing material (bacterial proteins and DNA). Moreover, the activities of succinate dehydrogenase and malate dehydrogenase were inhibited by EFSSPE. The hydrophobicity and clustering ability of cells were affected by EFSSPE. Scanning electron microscopy showed that EFSSPE treatment damaged the morphology of the tested bacteria. These results indicate that EFSSPE can destroy the cell wall integrity and alter the permeability of the cell membrane of S. Typhimurium.
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Affiliation(s)
- Meihong Cai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Qiaoqiao Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Shili Zhao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xianhan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yuelin Cai
- College of Life Science and Technology, Inner Mongolia Normal University, Huhehaote, China
| | - Xingle He
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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2
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Gong S, Jiao C, Guo L, Jiang Y. Beetroot ( Beta vulgaris) Extract against Salmonella Typhimurium via Apoptosis-Like Death and Its Potential for Application in Cooked Pork. Int J Mol Sci 2023; 24:14217. [PMID: 37762521 PMCID: PMC10531726 DOI: 10.3390/ijms241814217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Salmonella Typhimurium is a common foodborne pathogen in meat and meat products, causing significant harm and losses to producers and consumers. The aim of this study was to investigate the antibacterial activity and possible mechanisms of beetroot (Beta vulgaris) extract against S. Typhimurium, as well as the application potential in cooked pork. The results suggested beetroot extract could inhibit S. Typhimurium with a minimum inhibitory concentration (MIC) of 20 mg/mL. After treatment with beetroot extract (1 or 2 MIC), S. Typhimurium exhibited the characteristics of apoptotic-like death (ALD), such as membrane depolarization, phosphatidylserine (PS) externalization, caspase-like protein activation, and DNA fragmentation. Further research has shown that the ALD induced by beetroot extract in S. Typhimurium was caused by reactive oxygen species (ROS) consumption, which was different from most natural products. The treatment of cooked pork with beetroot extract could reduce the number of S. Typhimurium, lower pH, defer lipid oxidation, and improve the colour. These results indicate that beetroot extract can inhibit S. Typhimurium through the ALD mechanism and has potential as an antibacterial agent against S. Typhimurium in ready-to-eat meat products.
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Affiliation(s)
| | | | - Ling Guo
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China; (S.G.); (C.J.)
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin 150030, China; (S.G.); (C.J.)
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3
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Li Y, Sang Y, Yu W, Zhang F, Wang X. Antibacterial actions of Ag nanoparticles synthesized from Cimicifuga dahurica (Turcz.) Maxim. and their application in constructing a hydrogel spray for healing skin wounds. Food Chem 2023; 418:135981. [PMID: 36996658 DOI: 10.1016/j.foodchem.2023.135981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 02/17/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023]
Abstract
Cimicifuga dahurica (Turcz.) Maxim. is an edible natural food and a type of traditional herbal medicine with antipyretic and analgesic properties. In this study, we found that Cimicifuga dahurica (Turcz.) Maxim. extract (CME) has good skin wound healing qualities due to its antibacterial effects on both wound inflammation-related Gram positive (Staphylococcus aureus and Staphylococcus epidermidis) and Gram negative (Escherichia coli and Klebsiella pneumoniae) strains. Using CME as a reducing agent, CME-based Ag nanoparticles (CME-AgNPs) with an average particle size of 7 nm were synthesized. The minimum bactericidal concentration (MBC) of CME-AgNPs against the investigated bacterial species varied from 0.08 to 1.25 mg/mL, indicating much higher antibacterial activity than the pure CME. Additionally, a novel network-like thermosensitive hydrogel spray (CME-AgNPs-F127/F68) was developed and shown a skin wound healing rate of 98.40% in 14 days, demonstrating the spray's potential as a novel wound dressing that accelerates wound healing.
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Hu J, Huang W, Wang Y, Jin J, Li Y, Chen J, Zheng Y, Deng S. Atmospheric cold plasma: A potential technology to control Shewanella putrefaciens in stored shrimp. Int J Food Microbiol 2023; 390:110127. [PMID: 36806858 DOI: 10.1016/j.ijfoodmicro.2023.110127] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023]
Abstract
This work aimed to investigate the inactivation mechanism of atmospheric cold plasma (ACP) against Shewanella putrefaciens both in PBS and sterile shrimp juice (SSJ). Reductions in cell density, cell viability, and biofilm formation activity were observed after ACP treatment. ACP cyclical treatment (1 min, 5 times) was more efficient than a one-time treatment (5 min, 1 time). After ACP cyclical treatment, the cell counts and cell viability of S. putrefaciens in PBS were decreased by 3.41 log CFU/mL and 85.30 %, respectively. As for SSJ group, the antibacterial efficiency of ACP declined, but the antibacterial effect of ACP cyclical treatment was still stronger than that of ACP one-time treatment. The biofilm formation activity of S. putrefaciens in PBS was almost completely inhibited, while it gradually returned to normal level with the prolonged of storage time for the SSJ counterpart. The rapid decrease in AKP activity after ACP treatment indicated the damage to cell wall integrity, which was also demonstrated by TEM. In addition, cell membrane and DNA damage of the strain also occurred after ACP treatment. The ROS fluorescence intensity in PBS was higher for the one-time treatment group, while the cyclical treatment group exhibited higher and more stable ozone levels. It was also detected that the total nitric oxide concentration in bacterial suspension depended on the dose of ACP treatment time. ACP treatment (35 kV) for 5 min, especially cyclical treatment, displayed its antibacterial properties on packaged shrimp contaminated with high concentration of S. putrefaciens. ACP cyclical treatment reduced surface bacterial counts of whole shrimps by 0.52 log CFU/mL, while ACP one-time treatment only achieved a decrease of 0.18 log CFU/mL. Therefore, ACP treatment could be considered as a potential alternative to enhance microbial control in food processing.
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Affiliation(s)
- Jiajie Hu
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Weijiao Huang
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Yihong Wang
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Jing Jin
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Yuwei Li
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China
| | - Jing Chen
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China; Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, 316022 Zhoushan, China.
| | - Yan Zheng
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China; Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, 316022 Zhoushan, China
| | - Shanggui Deng
- School of Food and Pharmacy, Zhejiang Ocean University, 316022 Zhoushan, China; Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, 316022 Zhoushan, China
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Maliehe TS, Nqotheni MI, Shandu JS, Selepe TN, Masoko P, Pooe OJ. Chemical Profile, Antioxidant and Antibacterial Activities, Mechanisms of Action of the Leaf Extract of Aloe arborescens Mill. PLANTS (BASEL, SWITZERLAND) 2023; 12:869. [PMID: 36840217 PMCID: PMC9968107 DOI: 10.3390/plants12040869] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Aloe arborescens Mill's extracts have been explored for antibacterial and antioxidant efficacies. However, there is limited information on its chemical composition and mechanism of action. The purpose of this study was to assess the chemical composition, antibacterial and antioxidant activities and mechanism of the whole leaf extract of A. arborescens Mill. The phytochemical profile was analysed with gas chromatography mass spectrometry (GC-MS). The antioxidant and antibacterial activities were screened using 1,1diphenyl2picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) and micro-dilution assays, respectively. The effects of the extract on the bacterial respiratory chain dehydrogenase, membrane integrity and permeability were analysed using iodonitrotetrazolium chloride, 260 absorbing materials and relative electrical conductivity assays. GC-MS spectrum revealed 26 compounds with N,N'-trimethyleneurea (10.56%), xanthine (8.57%) and 4-hexyl-1-(7-ethoxycarbonylheptyl)bicyclo[4.4.0]deca-2,5,7-triene (7.10%), being the major components. The extract also exhibited antioxidant activity with median concentration (IC50) values of 0.65 mg/mL on DPPH and 0.052 mg/mL on ABTS. The extract exhibited minimum inhibitory concentration (MIC) values ranging from 0.07 to 1.13 mg/mL. The extract inhibited the bacterial growth by destructing the activity of the respiratory chain dehydrogenase, membrane integrity and permeability. Therefore, the leaf extract has the potential to serve as a source of antibacterial and antioxidant compounds.
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Affiliation(s)
- Tsolanku Sidney Maliehe
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, Private Bag X1001, Empangeni 3886, South Africa
- Department of Water and Sanitation, University of Limpopo, Private Bag X1106, Polokwane 0727, South Africa
| | - Mduduzi Innocent Nqotheni
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, Private Bag X1001, Empangeni 3886, South Africa
| | - Jabulani Siyabonga Shandu
- Department of Biochemistry and Microbiology, Faculty of Science and Agriculture, University of Zululand, Private Bag X1001, Empangeni 3886, South Africa
| | - Tlou Nelson Selepe
- Department of Water and Sanitation, University of Limpopo, Private Bag X1106, Polokwane 0727, South Africa
| | - Peter Masoko
- Department of Biochemistry, Microbiology and Biotechnology, University of Limpopo, Private Bag X1106, Polokwane 0727, South Africa
| | - Ofentse Jacob Pooe
- School of Life Science, Discipline of Biochemistry, University of KwaZulu-Natal, Durban 4000, South Africa
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Asiatic acid and andrographolide reduce hippocampal injury through suppressing neuroinflammation caused by Salmonella typhimurium infection. Food Chem Toxicol 2023; 172:113584. [PMID: 36581090 DOI: 10.1016/j.fct.2022.113584] [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: 07/03/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/27/2022]
Abstract
Damage caused by Salmonella is not only limited to the gastrointestinal tract, but also occurs in the central nervous system (CNS). The aim of this study was to explore the protective effects of asiatic acid (AA) and andrographolide (AD) on the CNS through simulating common infection in mice by oral administration of Salmonella typhimurium (S. typhimurium). The results showed that the neurons in the hippocampus of mice were damaged after S. typhimurium invaded CNS in mice, and the inflammation was increased, which was manifested by the increased expression of inflammatory factors interleukin (IL)-1β, tumor necrosis factor (TNF)-α, IL-6, interferon (IFN)-γ and IL-12b and the activation of NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasomes. The damage and inflammatory response of mouse hippocampal neurons were effectively reduced by AA or AD pretreatment. Furthermore, we observed the significant activation of microglia after S. typhimurium infection. AA and AD attenuated S. typhimurium -induced hippocampal injury by reducing the inflammatory response on microglia. The findings suggest that the AA and AD protect CNS from injury caused by S. typhimurium infection through inhibiting over expression of multiple neuroinflammatory mediators and NLRP3 inflammasome in mice.
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Liu G, Liu A, Yang C, Zhou C, Zhou Q, Li H, Yang H, Mo J, Zhang Z, Li G, Si H, Ou C. Portulaca oleracea L. organic acid extract inhibits persistent methicillin-resistant Staphylococcus aureus in vitro and in vivo. Front Microbiol 2023; 13:1076154. [PMID: 36713183 PMCID: PMC9874160 DOI: 10.3389/fmicb.2022.1076154] [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: 11/07/2022] [Accepted: 12/13/2022] [Indexed: 01/12/2023] Open
Abstract
Staphylococcus aureus continues to be one of the most important pathogens capable of causing a wide range of infections in different sites of the body in humans and livestock. With the emergence of methicillin-resistant strains and the introduction of strict laws on antibiotic usage in animals, antibiotic replacement therapy has become increasingly popular. Previous studies have shown that Portulaca oleracea L. extract exerts a certain degree of bacteriostatic effect, although the active ingredients are unknown. In the present study, the antibacterial activity of the organic acid of P. oleracea (OAPO) against S. aureus was examined using a series of experiments, including the minimum inhibitory concentration, growth curve, and bacteriostasis curve. In vitro antibacterial mechanisms were evaluated based on the integrity and permeability of the cell wall and membrane, scanning electron microscopy, and soluble protein content. A mouse skin wound recovery model was used to verify the antibacterial effects of OAPO on S. aureus in vivo. The results showed that OAPO not only improved skin wound recovery but also decreased the bacterial load in skin wounds. Moreover, the number of inflammatory cells and cytokines decreased in the OAPO-treated groups. In summary, this study reports a botanical extract that can inhibit S. aureus in vitro and in vivo, indicating the potential use of OAPO to prevent and control S. aureus infection in the near future.
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Affiliation(s)
- Gengsong Liu
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Aijing Liu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China
| | - Cheng Yang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Congcong Zhou
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Qiaoyan Zhou
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Haizhu Li
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Hongchun Yang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Jiahao Mo
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Zhidan Zhang
- College of Animal Science and Technology, Guangxi University, Nanning, China
| | - Gonghe Li
- College of Animal Science and Technology, Guangxi University, Nanning, China,Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China,Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
| | - Hongbin Si
- College of Animal Science and Technology, Guangxi University, Nanning, China,Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China,Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China
| | - Changbo Ou
- College of Animal Science and Technology, Guangxi University, Nanning, China,Guangxi Zhuang Autonomous Region Engineering Research Center of Veterinary Biologics, Nanning, China,Guangxi Key Laboratory of Animal Reproduction, Breeding and Disease Control, Nanning, China,*Correspondence: Changbo Ou, ✉
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8
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Peng H, Zhou G, Yang XM, Chen GJ, Chen HB, Liao ZL, Zhong QP, Wang L, Fang X, Wang J. Transcriptomic Analysis Revealed Antimicrobial Mechanisms of Lactobacillus rhamnosus SCB0119 against Escherichia coli and Staphylococcus aureus. Int J Mol Sci 2022; 23:ijms232315159. [PMID: 36499483 PMCID: PMC9739798 DOI: 10.3390/ijms232315159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/26/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022] Open
Abstract
Lactic acid bacteria were reported as a promising alternative to antibiotics against pathogens. Among them, Lactobacillus rhamnosus could be used as probiotics and inhibit several pathogens, but its antibacterial mechanisms are still less known. Here, L. rhamnosus SCB0119 isolated from fermented pickles could inhibit bacterial growth or even cause cell death in Escherichia coli ATCC25922 and Staphylococcus aureus ATCC6538, which was mainly attributed to the cell-free culture supernatant (CFS). Moreover, CFS induced the accumulation of reactive oxygen species and destroyed the structure of the cell wall and membrane, including the deformation in cell shape and cell wall, the impairment of the integrity of the cell wall and inner membrane, and the increases in outer membrane permeability, the membrane potential, and pH gradient in E. coli and S. aureus. Furthermore, the transcriptomic analysis demonstrated that CFS altered the transcripts of several genes involved in fatty acid degradation, ion transport, and the biosynthesis of amino acids in E. coli, and fatty acid degradation, protein synthesis, DNA replication, and ATP hydrolysis in S. aureus, which are important for bacterial survival and growth. In conclusion, L. rhamnosus SCB0119 and its CFS could be used as a biocontrol agent against E. coli and S. aureus.
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Affiliation(s)
- Huan Peng
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Gang Zhou
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
- Guangdong Open Laboratory of Applied Microbiology, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Xi-Miao Yang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Guo-Jun Chen
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Hai-Bin Chen
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Zhen-Lin Liao
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Qing-Ping Zhong
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Li Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Xiang Fang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
- Correspondence: (X.F.); (J.W.)
| | - Jie Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
- Correspondence: (X.F.); (J.W.)
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Xie J, Wang L, Zhang X, Li Y, Liao X, Yang C, Tang RY. Discovery of New Anti-MRSA Agents Based on Phenoxyethanol and Its Mechanism. ACS Infect Dis 2022; 8:2291-2306. [PMID: 36255441 DOI: 10.1021/acsinfecdis.2c00365] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) poses a severe threat to public health and safety. The discovery and development of novel anti-MRSA drugs with a new mode of action are a challenge. In this study, a class of novel aryloxyethyl propiolates and their homologues as anti-MRSA agents have been designed and synthesized based on phenoxyethanol, of which compound II-39 showed high inhibitory activity against MRSA with an MIC of 0.78 μg/mL and an MBC of 3.13 μg/mL, which was better than that of vancomycin. Compound II-39 could destroy the cell wall and cell membrane, inhibited the formation of a biofilm, and bound to the DNA of MRSA through the electrostatic and groove interaction. Proteomic and metabolomic studies revealed that compound II-39 affected multiple intracellular metabolic pathways of MRSA. Notably, compound II-39 could effectively inhibit the expression of CrtPQMN proteins and block the biosynthesis of virulence factor (staphyloxanthin). Thus, aryloxyethyl propiolates and their homologues are promising anti-MRSA agents with multiple targets.
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Affiliation(s)
- Jinxin Xie
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou510642, China
| | - Lijuan Wang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou510642, China
| | - Xiaoyong Zhang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou510642, China
| | - Yiyang Li
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou510642, China
| | - Xin Liao
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou510642, China
| | - Caixin Yang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou510642, China
| | - Ri-Yuan Tang
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou510642, China.,Key Laboratory of Natural Pesticide & Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou510642, China
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Lan W, Chen X, Zhao Y, Xie J. Insight into the Antibacterial Mechanism of Ozone water Combined with Tea Polyphenols against
Shewanella putrefaciens
: Membrane Disruption and Oxidative Stress. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.16106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Weiqing Lan
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center Shanghai 201306 China
- National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University) Shanghai 201306 China
| | - Xuening Chen
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
| | - Yanan Zhao
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
| | - Jing Xie
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center Shanghai 201306 China
- National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University) Shanghai 201306 China
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Wang S, Liu S, Hao G, Zhao L, Lü X, Wang H, Wang L, Zhang J, Ge W. Antimicrobial activity and mechanism of isothiocyanate from Moringa oleifera seeds against Bacillus cereus and Cronobacter sakazakii and its application in goat milk. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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12
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Wason S, Verma T, Wei X, Mauromoustakos A, Subbiah J. Thermal inactivation kinetics of Salmonella enterica and Enterococcus faecium NRRL B- 2354 as a function of temperature and water activity in fine ground black pepper. Food Res Int 2022; 157:111393. [DOI: 10.1016/j.foodres.2022.111393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/11/2022] [Accepted: 05/19/2022] [Indexed: 11/29/2022]
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13
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Antibacterial Effect and Mode of Action of Secondary Metabolites from Fungal Endophyte Associated with Aloe ferox Mill. MICROBIOLOGY RESEARCH 2022. [DOI: 10.3390/microbiolres13010007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The constant increase in drug resistance, occurrence of incurable diseases and high medical costs, have necessitated bio-prospecting of fungi as alternative sources of therapeutic compounds. This study aimed at assessing the antibacterial effect and mode of action of secondary metabolites from fungal endophyte associated with Aloe ferox Mill. Endophytic fungus was isolated from the gel of A. ferox and identified by internal transcribed spacer (ITS) rRNA gene sequence analysis. The targets of antibacterial activity were assessed based on minimum inhibitory concentration (MIC) and the effect of the extract on respiratory chain dehydrogenase (RCD) and membrane integrity. Fourier transform-infrared spectrophotometer (FTIR) was employed to ascertain functional groups. The fungus with the most promising antibiotic-production was identified as Aspergillus welwitschiae MK450668.1. Its extract exhibited antibacterial activity with the MIC values of 0.5 and 1 mg/mL against Staphylococcus aureus (ATCC 25925) and Escherichia coli (ATCC 25922). It demonstrated the inhibitory effect on the RCD activity and destruction of membrane integrity on the test bacteria. FTIR spectrum revealed hydroxyl, amine and alkene groups. A. welwitschiae MK450668.1 serves as a potential source of effective compounds to combat the challenge of drug resistance.
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Insights into the Phytochemical and Multifunctional Biological Profile of Spices from the Genus Piper. Antioxidants (Basel) 2021; 10:antiox10101642. [PMID: 34679776 PMCID: PMC8533580 DOI: 10.3390/antiox10101642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/16/2021] [Accepted: 10/17/2021] [Indexed: 01/26/2023] Open
Abstract
Piper spices represent an inexhaustible reservoir of bioactive compounds that may act as drug leads in natural product research. The aim of this study was to investigate a series of methanolic fruit extracts obtained from P. nigrum (black, green, white and red), P. longum and P. retrofractum in comparative phytochemical and multi-directional biological (antimicrobial, antioxidant, anti-enzymatic and anti-melanogenic) assays. The metabolite profiling revealed the presence of 17 piperamides, with a total content of 247.75-591.42 mg piperine equivalents/g. Among the 22 tested microorganism strains, Piper spices were significantly active (MIC < 0.1 mg/mL) against the anaerobes Actinomyces israelii and Fusobacterium nucleatum. The antioxidant and anti-enzymatic activities were evidenced in DPPH (10.64-82.44 mg TE/g) and ABTS (14.20-77.60 mg TE/g) radical scavenging, CUPRAC (39.94-140.52 mg TE/g), FRAP (16.05-77.00 mg TE/g), chelating (0-34.80 mg EDTAE/g), anti-acetylcholinesterase (0-2.27 mg GALAE/g), anti-butyrylcholinesterase (0.60-3.11 mg GALAE/g), anti-amylase (0.62-1.11 mmol ACAE/g) and anti-glucosidase (0-1.22 mmol ACAE/g) assays. Several Piper extracts (10 μg/mL) inhibited both melanin synthesis (to 32.05-60.65% of αMSH+ cells) and release (38.06-45.78% of αMSH+ cells) in αMSH-stimulated B16F10 cells, partly explained by their tyrosinase inhibitory properties. Our study uncovers differences between Piper spices and sheds light on their potential use as nutraceuticals or cosmeceuticals for the management of different diseases linked to bacterial infections, Alzheimer's dementia, type 2 diabetes mellitus or hyperpigmentation.
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Khan AU, Talucder MSA, Das M, Noreen S, Pane YS. Prospect of The Black Pepper (Piper nigrum L.) as Natural Product Used to an Herbal Medicine. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Black pepper (
Piper nigrum
L.) is a popular spice that is grown as tropical and subtropical plant throughout the world. The leaf, flower, fruit, and root are the most important elements of the plant. Asexual or vegetative propagation is becoming highly popular, although the sexual approach is still used for pepper vine cultivation. For mass production of the pepper plant,
in vitro
culture is also used. The bioactive components contained in them are extremely important because of their therapeutic potential against a number of diseases. They are usually classed as functional foods because, in addition to providing basic nutrition, provide physiological benefits and help to avoid chronic illness. The main component of black pepper is piperine. It has a complex phyto-chemistry includes: Volatile oil, alkaloids, and oleoresins. Because of its free-radical scavenging properties, black pepper and its active components can be prevention and control of tumor growth. Piperine, which can bind and inhibit the SARS-CoV-2 virus that causes the sickness, is present in black pepper and has antibacterial and antiviral effects. Piperine, a key alkaloid component of black pepper, it also helps to cognitive brain function, nutritional absorption, and gastrointestinal health. Black pepper is known as the “King of Spices” as well as the “King of Medicinal Agents,” since it includes a wide variety of bioactive compounds with nutraceutical and pharmacological applications. An overview of the most common applications for black pepper, along with a strong evidence is present in this review.
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16
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Zhang J, Wang D, Sun J, Sun Z, Liu F, Du L, Wang D. Synergistic Antibiofilm Effects of Ultrasound and Phenyllactic Acid against Staphylococcus aureus and Salmonella enteritidis. Foods 2021; 10:foods10092171. [PMID: 34574281 PMCID: PMC8466041 DOI: 10.3390/foods10092171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 11/21/2022] Open
Abstract
This study evaluated the effect of the combination of ultrasound and phenyllactic acid (PLA) on inactivating Staphylococcus aureus and Salmonella enteritidis biofilm cells and determined the possible antibiofilm mechanism. S. aureus and S. enteritidis biofilm cells were separately treated with ultrasound (US, 270 W), phenyllactic acid (PLA, 0.5% and 1%), and their combination (US + 0.5% PLA, and US + 1% PLA) for 5, 10, 20, 30, and 60 min. Biofilm inactivation, polysaccharide, and respiratory chain dehydrogenase assays were conducted. US and PLA had a synergistic effect on inactivating bacterial cells in S. aureus and S. enteritidis biofilms. The combination of US and PLA significantly decreased the contents of soluble and insoluble polysaccharides and the activity of respiratory chain dehydrogenase in the biofilm cells compared to the single treatment. Confocal laser scanning microscopy, scanning electron microscopy, and intracellular adenosine-triphosphate (ATP) analyses indicated that the combination of US and PLA seriously destroyed the cell membrane integrity of the S. aureus and S. enteritidis biofilms and caused the leakage of intracellular ATP. These findings demonstrated the synergistic antibiofilm effect of US combined with PLA and offered a research basis for its application in the food industry.
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Affiliation(s)
- Jiaojiao Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China;
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
| | - Debao Wang
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
| | - Jinyue Sun
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
| | - Zhilan Sun
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
| | - Fang Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China;
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
- Correspondence: (F.L.); (L.D.)
| | - Lihui Du
- Key Laboratory of Grains and Oils Quality Control and Processing, Collaborative Innovation Center for Modern Grain Circulation and Safety, College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China
- Correspondence: (F.L.); (L.D.)
| | - Daoying Wang
- Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Nanjing 210014, China; (D.W.); (J.S.); (Z.S.); (D.W.)
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17
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DNA-assisted synthesis of flower-like ZnO mesocrystal. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Han Y, Chen W, Sun Z. Antimicrobial activity and mechanism of limonene against
Staphylococcus aureus. J Food Saf 2021. [DOI: 10.1111/jfs.12918] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yingjie Han
- College of Food Sciences & Engineering, Hainan University Haikou China
| | - Wenxue Chen
- College of Food Sciences & Engineering, Hainan University Haikou China
| | - Zhichang Sun
- College of Food Sciences & Engineering, Hainan University Haikou China
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19
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Han HW, Patel KD, Kwak JH, Jun SK, Jang TS, Lee SH, Knowles JC, Kim HW, Lee HH, Lee JH. Selenium Nanoparticles as Candidates for Antibacterial Substitutes and Supplements against Multidrug-Resistant Bacteria. Biomolecules 2021; 11:1028. [PMID: 34356651 PMCID: PMC8301847 DOI: 10.3390/biom11071028] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/05/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022] Open
Abstract
In recent years, multidrug-resistant (MDR) bacteria have increased rapidly, representing a major threat to human health. This problem has created an urgent need to identify alternatives for the treatment of MDR bacteria. The aim of this study was to identify the antibacterial activity of selenium nanoparticles (SeNPs) and selenium nanowires (SeNWs) against MDR bacteria and assess the potential synergistic effects when combined with a conventional antibiotic (linezolid). SeNPs and SeNWs were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), zeta potential, and UV-visible analysis. The antibacterial effects of SeNPs and SeNWs were confirmed by the macro-dilution minimum inhibitory concentration (MIC) test. SeNPs showed MIC values against methicillin-sensitive S. aureus (MSSA), methicillin-resistant S. aureus (MRSA), vancomycin-resistant S. aureus (VRSA), and vancomycin-resistant enterococci (VRE) at concentrations of 20, 80, 320, and >320 μg/mL, respectively. On the other hand, SeNWs showed a MIC value of >320 μg/mL against all tested bacteria. Therefore, MSSA, MRSA, and VRSA were selected for the bacteria to be tested, and SeNPs were selected as the antimicrobial agent for the following experiments. In the time-kill assay, SeNPs at a concentration of 4X MIC (80 and 320 μg/mL) showed bactericidal effects against MSSA and MRSA, respectively. At a concentration of 2X MIC (40 and 160 μg/mL), SeNPs showed bacteriostatic effects against MSSA and bactericidal effects against MRSA, respectively. In the synergy test, SeNPs showed a synergistic effect with linezolid (LZD) through protein degradation against MSSA and MRSA. In conclusion, these results suggest that SeNPs can be candidates for antibacterial substitutes and supplements against MDR bacteria for topical use, such as dressings. However, for use in clinical situations, additional experiments such as toxicity and synergistic mechanism tests of SeNPs are needed.
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Affiliation(s)
- Hee-Won Han
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 31116, Korea
| | - Kapil D. Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- Department of Materials Science and Engineering, Korea University, Seoul 02841, Korea
| | - Jin-Hwan Kwak
- Department of Life Science, Handong Global University, Pohang 37554, Korea;
| | - Soo-Kyung Jun
- Department of Dental Hygiene, Hanseo University, Seosan 31962, Korea;
| | - Tae-Su Jang
- Department of Pre-Medi, College of Medicine, Dankook University, Cheonan 31116, Korea;
| | - Sung-Hoon Lee
- Department of Oral Microbiology and Immunology, College of Dentistry, Dankook University, Cheonan 31116, Korea;
| | - Jonathan Campbell Knowles
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan 31116, Korea
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, London NW3 2PF, UK
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 31116, Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Korea
- Cell & Matter Institute, Dankook University, Cheonan 31116, Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan 31116, Korea
| | - Hae-Hyoung Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 31116, Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Korea
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Korea; (H.-W.H.); (K.D.P.); (J.C.K.); (H.-W.K.)
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 31116, Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Korea
- Cell & Matter Institute, Dankook University, Cheonan 31116, Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan 31116, Korea
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20
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Wei X, Agarwal S, Subbiah J. Heating of milk powders at low water activity to 95°C for 15 minutes using hot air-assisted radio frequency processing achieved pasteurization. J Dairy Sci 2021; 104:9607-9616. [PMID: 34176627 DOI: 10.3168/jds.2021-20449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/13/2021] [Indexed: 11/19/2022]
Abstract
Salmonella persistence in milk powders has caused several multistate foodborne disease outbreaks. Therefore, ways to deliver effective thermal treatment need to be identified and validated to ensure the microbial safety of milk powders. In this study, a process of hot air-assisted radio frequency (HARF) followed by holding at high temperatures in a convective oven was developed for pasteurization of milk powders. Heating times were compared between HARF and a convection oven for heating milk powders to a pasteurization temperature, and HARF has been shown to considerably reduce the come-up time. Whole milk powder (WMP) and nonfat dry milk (NFDM) were inoculated with a 5-serotype Salmonella cocktail and equilibrated to a water activity of 0.10 to simulate the worst case for the microbial challenge study. After heating the sample to 95°C using HARF, followed by 10 and 15 min of holding in the oven, more than 5 log reduction of Salmonella was achieved in WMP and NFDM. This study validated a HARF-assisted thermal process for pasteurization of milk powder based on previously collected microbial inactivation kinetics data and provides valuable insights to process developers to ensure microbial safety of milk powder. This HARF process may be implemented in the dairy industry to enhance the microbial safety of milk powders.
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Affiliation(s)
- Xinyao Wei
- Department of Food Science and Technology, University of Nebraska, Lincoln 68588
| | | | - Jeyamkondan Subbiah
- Department of Food Science and Technology, University of Nebraska, Lincoln 68588; Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville 72704.
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21
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Joardar N, Shit P, Halder S, Debnath U, Saha S, Misra AK, Jana K, Sinha Babu SP. Disruption of redox homeostasis with synchronized activation of apoptosis highlights the antifilarial efficacy of novel piperine derivatives: An in vitro mechanistic approach. Free Radic Biol Med 2021; 169:343-360. [PMID: 33895288 DOI: 10.1016/j.freeradbiomed.2021.04.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/05/2021] [Accepted: 04/17/2021] [Indexed: 01/11/2023]
Abstract
A series of novel piperine derivatives were synthesized with high yield and were evaluated for its antifilarial potential against the bovine filarial parasite Setaria cervi. Among 21 (3a-3u) compounds screened, three of them (3k, 3l, 3s) showed significant potential against all the developmental stages (oocytes, microfilariae and adult) of the filarial worm in time and dose dependent manner. 3l showed the highest efficacy among the selected three compounds. These three compounds were further evaluated for both in vitro and in vivo toxicity analyses which further fortified the benign nature of the selected compounds. The antifilarial activities they exhibited were clearly fuelled through disparity of the internal redox homeostasis as evidenced from the alterations in the enzymatic and non-enzymatic antioxidants level which ultimately shifted towards activation of pro-apoptotic signaling cascade eventually leading to the death of the parasites. The ability of the compound 3l to bind thioredoxin reductase and CED-3 protein are the key findings of this study. The present study supported with several biological experiments is therefore a maiden report on the antifilarial effectiveness of these novel piperine derivatives.
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Affiliation(s)
- Nikhilesh Joardar
- Parasitology Laboratory, Department of Zoology, Siksha-Bhavana, Visva-Bharati, Santiniketan, 731235, West Bengal, India
| | - Pradip Shit
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata, 700054, India
| | - Satyajit Halder
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata, 700054, India
| | - Utsab Debnath
- School of Health Science, University of Petroleum and Energy Studies, Dehradun, 248007, India
| | - Sudipto Saha
- Bose Institute, Division of Bioinformatics, P-1/12, C.I.T. Scheme VII M, Kolkata, 700054, India
| | - Anup Kumar Misra
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata, 700054, India.
| | - Kuladip Jana
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata, 700054, India.
| | - Santi P Sinha Babu
- Parasitology Laboratory, Department of Zoology, Siksha-Bhavana, Visva-Bharati, Santiniketan, 731235, West Bengal, India.
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22
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Inhibitory mechanism of Chinese herbal medicine extracts on Escherichia coli and its application to fermented-bag sausage. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Wei X, Vasquez S, Thippareddi H, Subbiah J. Evaluation of Enterococcus faecium NRRL B-2354 as a surrogate for Salmonella in ground black pepper at different water activities. Int J Food Microbiol 2021; 344:109114. [PMID: 33652336 DOI: 10.1016/j.ijfoodmicro.2021.109114] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/08/2021] [Accepted: 02/14/2021] [Indexed: 10/22/2022]
Abstract
Thermal inactivation kinetics of Salmonella in low moisture foods are necessary for developing proper thermal processing parameters for pasteurization. The effect of water activity on thermal inactivation kinetics of Salmonella and Enterococcus faecium NRRL B-2354 in ground black pepper has not been studied previously. Identification of a suitable surrogate assists in conducting in-plant process validations. Ground black pepper was inoculated with a 5-serotype Salmonella cocktail or E. faecium NRRL B-2354, equilibrated to water activities of 0.25, 0.45 or 0.65 in a humidity-controlled chamber, and isothermally treated at different temperatures. The survivor data were used for fitting the log-linear models to obtain the D and z-values of Salmonella and E. faecium in ground black pepper. Modified Bigelow models were developed to evaluate the effects of temperature and water activity on the thermal inactivation kinetics of Salmonella and E. faecium. Water activity and temperature showed significant negative effects on the thermal resistance of Salmonella and E. faecium in ground black pepper. For example, significantly higher D values of Salmonella were observed at water activity of 0.45 (D70°C = 20.5 min and D75°C = 7.8 min) compared to water activity of 0.65 (D70°C = 3.9 min and D75°C = 2.0 min). D-values of E. faecium were significantly higher than those of Salmonella at all three water activities, indicating that E. faecium is a suitable surrogate for Salmonella in thermal processing validation.
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Affiliation(s)
- Xinyao Wei
- Department of Food Science and Technology, University of Nebraska-Lincoln, NE, USA
| | - Sabrina Vasquez
- Department of Food Science and Technology, University of Nebraska-Lincoln, NE, USA
| | | | - Jeyamkondan Subbiah
- Department of Food Science and Technology, University of Nebraska-Lincoln, NE, USA; Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville, AR, USA.
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24
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Shu H, Zhang W, Yun Y, Chen W, Zhong Q, Hu Y, Chen H, Chen W. Metabolomics study on revealing the inhibition and metabolic dysregulation in Pseudomonas fluorescens induced by 3-carene. Food Chem 2020; 329:127220. [PMID: 32516715 DOI: 10.1016/j.foodchem.2020.127220] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 05/25/2020] [Accepted: 05/31/2020] [Indexed: 11/16/2022]
Abstract
3-Carene is a monoterpenoid that has an effective inhibitory ability against Pseudomonas fluorescens (P. fluorescens) which can induce a range of food contamination problems. In this study, ultra-performance liquid chromatography-mass spectrometry (UPLC-MS)-based metabolomics was used to elucidate the antimicrobial mechanism of 3-carene in P. fluorescens. Multivariate analysis of the metabolite data revealed significant differences in the potential metabolite profiles between groups. The results of univariate analysis showed that significant changes in 42 metabolites were observed after treatment with 3-carene for 12 h when compared to the control group. Moreover, 3-carene treatment resulted in disturbances in many metabolic processes, including amino acid metabolism, pantothenate and coenzyme A (CoA) biosynthesis and the tricarboxylic acid (TCA) cycle. These results provide a new insight into the antimicrobial mechanisms of 3-carene in P. fluorescens and enhance our understanding of the antimicrobial mechanism from a metabolic perspective.
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Affiliation(s)
- Huizhen Shu
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China
| | - Weimin Zhang
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China
| | - Yonghuan Yun
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China
| | - Weijun Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China; Chunguang Agro-product Processing Institute, Wenchang 571333, China
| | - Qiuping Zhong
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China
| | - Yueying Hu
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China
| | - Haiming Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China; Huachuang Institute of Areca Research-Hainan, Haikou 570226, China.
| | - Wenxue Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, PR China; Chunguang Agro-product Processing Institute, Wenchang 571333, China.
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25
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Antibacterial activity and mechanism of lactobionic acid against Pseudomonas fluorescens and Methicillin-resistant Staphylococcus aureus and its application on whole milk. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106876] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Liu X, Cai J, Chen H, Zhong Q, Hou Y, Chen W, Chen W. Antibacterial activity and mechanism of linalool against Pseudomonas aeruginosa. Microb Pathog 2020; 141:103980. [PMID: 31962183 DOI: 10.1016/j.micpath.2020.103980] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/12/2020] [Accepted: 01/13/2020] [Indexed: 12/19/2022]
Abstract
The purpose of this study was to evaluate the antibacterial activity and mechanism of linalool against Pseudomonas aeruginosa. The determination of antibacterial activity was based on the minimum inhibitory concentration (MIC) and the minimum bactericide concentration (MBC). Further, the antibacterial mechanism was explored by a growth curve assay, scanning electron microscopy (SEM), cell membrane permeability, membrane potential and respiratory chain dehydrogenase determination. The MIC and the MBC of linalool were 431 μg/mL and 862 μg/mL, respectively. The growth curve assay showed that the growth of P. aeruginosa was inhibited. The results of SEM revealed that linalool disrupted the normal morphology of the cell. The release of nucleic acids as well as the decrease in the membrane potential proved that the membrane integrity of P. aeruginosa was destroyed. Moreover, the respiratory chain was damaged by respiratory chain dehydrogenase determination as the absorbance at 490 nm decreased. This research suggested that it was possible for linalool to become a preservative of food by destroying the cell membrane, resulting in cell death.
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Affiliation(s)
- Xue Liu
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China
| | - Jiaxin Cai
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China
| | - Haiming Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China
| | - Qiuping Zhong
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China
| | - Yaqi Hou
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China
| | - Weijun Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China; Chunguang Agro-product Processing Institute, Wenchang 571333, PR China.
| | - Wenxue Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou, 570228, PR China.
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ε-Polylysine Inhibits Shewanella putrefaciens with Membrane Disruption and Cell Damage. Molecules 2019; 24:molecules24203727. [PMID: 31623152 PMCID: PMC6832906 DOI: 10.3390/molecules24203727] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/10/2019] [Accepted: 10/14/2019] [Indexed: 12/22/2022] Open
Abstract
ε-Polylysine (ε-PL) was studied for the growth inhibition of Shewanella putrefaciens (S. putrefaciens). The minimal inhibitory concentration (MIC) of ε-PL against S. putrefaciens was measured by the broth dilution method, while the membrane permeability and metabolism of S. putrefaciens were assessed after ε-PL treatment. Additionally, growth curves, the content of alkaline phosphatase (AKP), the electrical conductivity (EC), the UV absorbance and scanning electron microscope (SEM) data were used to study cellular morphology. The impact of ε-PL on cell metabolism was also investigated by different methods, such as enzyme activity (peroxidase [POD], catalase [CAT], succinodehydrogenase [SDH] and malic dehydrogenase [MDH]) and cell metabolic activity. The results showed that the MIC of ε-PL against S. putrefaciens was 1.0 mg/mL. When S. putrefaciens was treated with ε-PL, the growth of the bacteria was inhibited and the AKP content, electrical conductivity and UV absorbance were increased, which demonstrated that ε-PL could damage the cell structure. The enzyme activities of POD, CAT, SDH, and MDH in the bacterial solution with ε-PL were decreased compared to those in the ordinary bacterial solution. As the concentration of ε-PL was increased, the enzyme activity decreased further. The respiratory activity of S. putrefaciens was also inhibited by ε-PL. The results suggest that ε-PL acts on the cell membrane of S. putrefaciens, thereby increasing membrane permeability and inhibiting enzyme activity in relation to respiratory metabolism and cell metabolism. This leads to inhibition of cell growth, and eventually cell death.
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Fang S, Zhou Q, Hu Y, Liu F, Mei J, Xie J. Antimicrobial Carvacrol Incorporated in Flaxseed Gum-Sodium Alginate Active Films to Improve the Quality Attributes of Chinese Sea bass (Lateolabrax maculatus) during Cold Storage. Molecules 2019; 24:molecules24183292. [PMID: 31509981 PMCID: PMC6766946 DOI: 10.3390/molecules24183292] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/05/2019] [Accepted: 09/05/2019] [Indexed: 01/24/2023] Open
Abstract
The objective of this research was to explore the antimicrobial activity and mechanism of carvacrol against Vibrio Parahemolyticus, Shewanella putrefaciens, Staphylococcus aureus and Pseudomonas fluorescens and evaluate the effect of the addition of carvacrol/β-cyclodextrin emulsions to flaxseed gum (FSG)-sodium alginate (SA) edible films on the preservation of Chinese sea bass (Lateolabrax maculatus) fillets during refrigerated storage. The minimum inhibitory concentration (MIC) of carvacrol against V. parahemolyticus, S. putrefaciens, S. aureus and P. fluorescens were 0.5, 0.5, 0.125, and 0.5 mg/mL, respectively. Alkaline phosphatase activity assay, nucleotide and protein leakage, and scanning electron microscope demonstrated that carvacrol damaged the external structure of the tested bacterial cells causing leakage of cytoplasmic components. At the same time, when FSG-SA films containing carvacrol used as coating agents for Chinese sea bass fillets cold storage, FSG-SA films containing 1.0 or 2.0 mg/mL carvacrol could significantly reduce TVB-N content, K-value, the degree of microbial deterioration and maintain quality of sea bass fillets according to organoleptic evaluation results.
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Affiliation(s)
- Shiyuan Fang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Qianqian Zhou
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Yan Hu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Feng Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Jun Mei
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
- National Experimental Teaching Demonstration Center for Food Science and Engineering Shanghai Ocean University, Shanghai 201306, China.
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai 201306, China.
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China.
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
- National Experimental Teaching Demonstration Center for Food Science and Engineering Shanghai Ocean University, Shanghai 201306, China.
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai 201306, China.
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai 201306, China.
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Shu H, Chen H, Wang X, Hu Y, Yun Y, Zhong Q, Chen W, Chen W. Antimicrobial Activity and Proposed Action Mechanism of 3-Carene against Brochothrix thermosphacta and Pseudomonas fluorescens. Molecules 2019; 24:molecules24183246. [PMID: 31489899 PMCID: PMC6767529 DOI: 10.3390/molecules24183246] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 01/05/2023] Open
Abstract
3-Carene is an antimicrobial monoterpene that occurs naturally in a variety of plants and has an ambiguous antibacterial mechanism against food-borne germs. The antibacterial effects and action mechanism of 3-carene against Gram-positive Brochothrix thermosphacta ACCC 03870 and Gram-negative Pseudomonas fluorescens ATCC 13525 were studied. Scanning electron microscopy (SEM) examination and leakage of alkaline phosphatase (AKP) verified that 3-carene caused more obvious damage to the morphology and wall structure of B. thermosphacta than P. fluorescens. The release of potassium ions and proteins, the reduction in membrane potential (MP), and fluorescein diacetate (FDA) staining further confirmed that the loss of the barrier function of the cell membrane and the leakage of cytoplasmic contents were due to the 3-carene treatment. Furthermore, the disorder of succinate dehydrogenase (SDH), malate dehydrogenase (MDH), pyruvate kinase (PK), and ATP content indicated that 3-carene could lead to metabolic dysfunction and inhibit energy synthesis. In addition, the results from the fluorescence analysis revealed that 3-carene could probably bind to bacterial DNA and affect the conformation and structure of genomic DNA. These results revealed that 3-carene had strong antibacterial activity against B. thermosphacta and P. fluorescens via membrane damage, bacterial metabolic perturbations, and genomic DNA structure disruption, interfering in cellular functions and even causing cell death.
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Affiliation(s)
- Huizhen Shu
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
| | - Haiming Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
- Chunguang Agro-Product Processing Institute, Wenchang 571333, China.
| | - Xiaolong Wang
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
| | - Yueying Hu
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
| | - Yonghuan Yun
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
| | - Qiuping Zhong
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
- Chunguang Agro-Product Processing Institute, Wenchang 571333, China.
| | - Weijun Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
- Chunguang Agro-Product Processing Institute, Wenchang 571333, China.
| | - Wenxue Chen
- College of Food Sciences & Engineering, Hainan University, 58 People Road, Haikou 570228, China.
- Chunguang Agro-Product Processing Institute, Wenchang 571333, China.
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Xiao XN, Wang F, Yuan YT, Liu J, Liu YZ, Yi X. Antibacterial Activity and Mode of Action of Dihydromyricetin from Ampelopsis grossedentata Leaves against Food-Borne Bacteria. Molecules 2019; 24:molecules24152831. [PMID: 31382605 PMCID: PMC6695662 DOI: 10.3390/molecules24152831] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 07/24/2019] [Accepted: 07/31/2019] [Indexed: 12/28/2022] Open
Abstract
Dihydromyricetin (DMY) has recently attracted increased interest due to its considerable health-promoting activities but there are few reports on its antibacterial activity and mechanism. In this paper, the activity and mechanisms of DMY from Ampelopsis grossedentata leaves against food-borne bacteria are investigated. Moreover, the effects of pH, thermal-processing, and metal ions on the antibacterial activity of DMY are also evaluated. The results show that DMY exhibits ideal antibacterial activity on five types of food-borne bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, Salmonella paratyphi, and Pseudomonas aeruginosa). The activities of DMY against bacteria are extremely sensitive to pH, thermal-processing, and metal ions. The morphology of the tested bacteria is changed and damaged more seriously with the exposure time of DMY. Furthermore, the results of the oxidative respiratory metabolism assay and the integrity of the cell membrane and wall tests revealed that the death of bacteria caused by DMY might be due to lysis of the cell wall, leakage of intracellular ingredients, and inhibition of the tricarboxylic acid cycle (TCA) pathway.
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Affiliation(s)
- Xiao-Nian Xiao
- OAI Sino-German United Research Institute, Nanchang University, Nanchang 330047, Jiangxi Province, China
| | - Fan Wang
- OAI Sino-German United Research Institute, Nanchang University, Nanchang 330047, Jiangxi Province, China
| | - Yi-Ting Yuan
- Sino-German Food Engineering Center, Nanchang University, Nanchang 330047, Jiangxi Province, China
| | - Jing Liu
- OAI Sino-German United Research Institute, Nanchang University, Nanchang 330047, Jiangxi Province, China
| | - Yue-Zhen Liu
- OAI Sino-German United Research Institute, Nanchang University, Nanchang 330047, Jiangxi Province, China
| | - Xing Yi
- Sino-German Food Engineering Center, Nanchang University, Nanchang 330047, Jiangxi Province, China.
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Cao J, Fu H, Gao L, Zheng Y. Antibacterial activity and mechanism of lactobionic acid against Staphylococcus aureus. Folia Microbiol (Praha) 2019; 64:899-906. [PMID: 30993549 DOI: 10.1007/s12223-019-00705-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 04/01/2019] [Indexed: 12/26/2022]
Abstract
Lactobionic acid (LBA) is a newly identified natural polyhydroxy acid that is widely used in the food industry. In this study, the antibacterial effects and underlying mechanism of action of LBA against Staphylococcus aureus were investigated. LBA exhibited significant antibacterial activity against S. aureus with a determination of the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of 15 mg/mL and 50 mg/mL, respectively. The Growth curves indicated that LBA directly inhibited the growth of S. aureus. Moreover, LBA induced the leakage of alkaline phosphatase and nucleotides in the culture medium, indicating damage to the integrity of the S. aureus cell wall membrane, which was confirmed by transmission electron microscopy observations. The relative electric conductivity measurements indicated that LBA changed the cell membrane permeability. The preservation effect of LBA was evaluated by quantifying the total number of colonies, total volatile base nitrogen (TVB-N), and thiobarbituric acid reactive substances (TBARS). Overall, these results revealed that LBA exerts its antibacterial activity by breaking down the structure of the bacterial cell wall and membrane, thereby releasing the cellular contents as well as inhibiting protein synthesis, which ultimately lead to cell death. The total number of colonies, the TVB-N value, and the TBARS of cold fresh meat treated with preservatives were significantly lower than those of the control group (P < 0.05). With these antibacterial characteristics, LBA has potential to be used as a safe food additive in the food industry.
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Affiliation(s)
- Jiarong Cao
- College of Food Science, Shenyang Agricultural University, Shenyang, 110161, China
| | - Hongjie Fu
- College of Food Science, Shenyang Agricultural University, Shenyang, 110161, China
| | - Lihong Gao
- College of Food Science, Shenyang Agricultural University, Shenyang, 110161, China
| | - Yan Zheng
- College of Food Science, Shenyang Agricultural University, Shenyang, 110161, China.
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Salehi B, Zakaria ZA, Gyawali R, Ibrahim SA, Rajkovic J, Shinwari ZK, Khan T, Sharifi-Rad J, Ozleyen A, Turkdonmez E, Valussi M, Tumer TB, Monzote Fidalgo L, Martorell M, Setzer WN. Piper Species: A Comprehensive Review on Their Phytochemistry, Biological Activities and Applications. Molecules 2019; 24:E1364. [PMID: 30959974 PMCID: PMC6479398 DOI: 10.3390/molecules24071364] [Citation(s) in RCA: 172] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 03/25/2019] [Accepted: 04/03/2019] [Indexed: 12/23/2022] Open
Abstract
Piper species are aromatic plants used as spices in the kitchen, but their secondary metabolites have also shown biological effects on human health. These plants are rich in essential oils, which can be found in their fruits, seeds, leaves, branches, roots and stems. Some Piper species have simple chemical profiles, while others, such as Piper nigrum, Piper betle, and Piper auritum, contain very diverse suites of secondary metabolites. In traditional medicine, Piper species have been used worldwide to treat several diseases such as urological problems, skin, liver and stomach ailments, for wound healing, and as antipyretic and anti-inflammatory agents. In addition, Piper species could be used as natural antioxidants and antimicrobial agents in food preservation. The phytochemicals and essential oils of Piper species have shown strong antioxidant activity, in comparison with synthetic antioxidants, and demonstrated antibacterial and antifungal activities against human pathogens. Moreover, Piper species possess therapeutic and preventive potential against several chronic disorders. Among the functional properties of Piper plants/extracts/active components the antiproliferative, anti-inflammatory, and neuropharmacological activities of the extracts and extract-derived bioactive constituents are thought to be key effects for the protection against chronic conditions, based on preclinical in vitro and in vivo studies, besides clinical studies. Habitats and cultivation of Piper species are also covered in this review. In this current work, available literature of chemical constituents of the essential oils Piper plants, their use in traditional medicine, their applications as a food preservative, their antiparasitic activities and other important biological activities are reviewed.
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Affiliation(s)
- Bahare Salehi
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam 44340847, Iran.
| | - Zainul Amiruddin Zakaria
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
| | - Rabin Gyawali
- Department of Food and Nutritional Sciences, North Carolina A&T State University, Greensboro, NC 27411, USA.
| | - Salam A Ibrahim
- Department of Food and Nutritional Sciences, North Carolina A&T State University, Greensboro, NC 27411, USA.
| | - Jovana Rajkovic
- Institute of Pharmacology, Clinical Pharmacology and Toxicology, Medical Faculty, University of Belgrade, 11129 Belgrade, Serbia.
| | - Zabta Khan Shinwari
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
| | - Tariq Khan
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
| | - Javad Sharifi-Rad
- Food Safety Research Center (salt), Semnan University of Medical Sciences, Semnan 35198-99951, Iran.
| | - Adem Ozleyen
- Graduate Program of Biomolecular Sciences, Institute of Natural and Applied Sciences, Canakkale Onsekiz Mart University, 17020 Canakkale, Turkey.
| | - Elif Turkdonmez
- Graduate Program of Biomolecular Sciences, Institute of Natural and Applied Sciences, Canakkale Onsekiz Mart University, 17020 Canakkale, Turkey.
| | - Marco Valussi
- European Herbal and Traditional Medicine Practitioners Association (EHTPA), 25 Lincoln Close, GL20 5TY Tewkesbury, UK.
| | - Tugba Boyunegmez Tumer
- Department of Molecular Biology and Genetics, Faculty of Arts and Science, Canakkale Onsekiz Mart University, 17020 Canakkale, Turkey.
| | - Lianet Monzote Fidalgo
- Parasitology Department, Institute of Tropical Medicine "Pedro Kouri", 10400 Havana, Cuba.
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepcion, 4070386 Concepcion, VIII-Bio Bio Region, Chile.
| | - William N Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA.
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA.
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Antibacterial Effect of Black Pepper Petroleum Ether Extract against Listeria monocytogenes and Salmonella typhimurium. J FOOD QUALITY 2019. [DOI: 10.1155/2019/2356161] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The aim of the present study was to evaluate the antibacterial effect of black pepper petroleum ether extract (BPPE) against Listeria monocytogenes ATCC 19115 and Salmonella typhimurium ATCC 14028. The results showed that the BPPE had a strong antimicrobial activity against L. monocytogenes and S. typhimurium, and 2-methylene-4,8,8-trimethyl-4-vinyl-bicyclo[5.2.0]nonane (9.36%) and caryophyllene oxide (4.85%) were identified as the two primary components of BPPE. The ability of cells to break down hyperoxide was decreased, and the activities of POD and CAT were inhibited. The activities of key metabolic enzymes shed some light on the biochemical mechanism of aglycon cell growth inhibition, indicating that the energetic metabolism of L. monocytogenes and S. typhimurium was markedly influenced by the BPPE. The contents of key organic acids varied significantly, resulting in remarkable abnormalities in the energetic metabolism of L. monocytogenes and S. typhimurium. Thus, the consecution of energetic metabolism was destroyed by the BPPE, which contributed to metabolic dysfunction, the suppression of gene transcription, and cell death.
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Newkirk JJ, Wu J, Acuff JC, Caver CB, Mallikarjunan K, Wiersema BD, Williams RC, Ponder MA. Inactivation of Salmonella enterica and Surrogate Enterococcus faecium on Whole Black Peppercorns and Cumin Seeds Using Vacuum Steam Pasteurization. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2018. [DOI: 10.3389/fsufs.2018.00048] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Zhang N, Lan W, Wang Q, Sun X, Xie J. Antibacterial mechanism of Ginkgo biloba leaf extract when applied to Shewanella putrefaciens and Saprophytic staphylococcus. AQUACULTURE AND FISHERIES 2018. [DOI: 10.1016/j.aaf.2018.05.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Liu H, Zheng J, Liu P, Zeng F. Pulverizing processes affect the chemical quality and thermal property of black, white, and green pepper ( Piper nigrum L.). Journal of Food Science and Technology 2018; 55:2130-2142. [PMID: 29892114 DOI: 10.1007/s13197-018-3128-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/11/2018] [Accepted: 03/15/2018] [Indexed: 10/17/2022]
Abstract
In this study, the effects of different pulverizing methods on the chemical attributes and thermal properties of black, white and green pepper were evaluated. Cryogenic grinding minimally damaged the lipid, moisture, crude protein, starch, non-volatile ether extract, piperine, essential oil and the typical pepper essential oil compounds of the spices. The pulverizing methods and storage significantly affected the compositions of the fatty acid in the peppers, except for palmitic acid and lignoceric acid. The amino acid contents and the thermo-gravimetric analysis curve were hardly influenced by the grinding techniques. The use of cryogenic grinding to prepare pepper ensured the highest quality of pepper products. Regardless of grinding technique, the values of moisture, piperine, unsaturated fatty acids, essential oil, monoterpenes, and the absolute concentrations of typical pepper essential oil constituents (except caryophyllene oxide) decreased, whereas the amino acid, lipid, protein, starch, and non-volatile ether extract content as well as the thermal properties were insignificantly changed after storage at 4 °C for 6 months.
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Affiliation(s)
- Hong Liu
- 1CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 China
| | - Jie Zheng
- 2Department of Food Science and Engineering, Jinan University, Guangzhou, 510632 China
| | - Pengzhan Liu
- 3School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640 China
| | - Fankui Zeng
- 4Research and Development Center for Eco-Material and Eco-Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000 China
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