U.S. flag

An official website of the United States government

PubAg

Main content area

You searched for: Subject "microbial contamination" Remove constraint Subject: "microbial contamination"
Start Over

Search

4,234  Search Results

« Previous | 1 - 20 of 4,234 |
Number of results to display per page

Search Results

1. Controversy around parabens: Alternative strategies for preservative use in cosmetics and personal care products

Author:
Nowak, Karolina; Jabłońska, Ewa; Ratajczak-Wrona, Wioletta
Source:
Environmental research 2021 v.198 pp. 110488
ISSN:
0013-9351
Subject:
microbial contamination,   etc   ; benzyl alcohol; cosmetics; formaldehyde; research; sodium benzoate; triclosan;     Show all 7 Subjects
Abstract:
... Parabens usage as preservatives in cosmetics and personal care products have been debated among scientists and consumers. Parabens are easy to production, effective and cheap, but its safety status remains controversial. Other popular cosmetics preservatives are formaldehyde, triclosan, methylisothiazolinone, methylchloroisothiazolinone, phenoxyethanol, benzyl alcohol and sodium benzoate. Although ...
DOI:
10.1016/j.envres.2020.110488

2. Natural antimicrobial-coated supports as filter aids for the microbiological stabilisation of drinks

Author:
Ruiz-Rico, María; Barat, José M.
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.147 pp. 111634
ISSN:
0023-6438
Subject:
microbial contamination,   etc   ; anti-infective agents; filtration; food industry; water treatment;     Show all 5 Subjects
Abstract:
... The strategy of applying surface modifications to inert supports to improve their physicochemical, biological and functional properties can be adopted to develop novel filtering materials by modifying surfaces of widely used materials with biocompatible antimicrobial molecules. This approach would enable overcoming the limitations of conventional filtration methodologies in water treatment and the ...
DOI:
10.1016/j.lwt.2021.111634

3. The influence of microbial contamination on rice bran rancidity

Author:
Yu, Cheng-wei; Luo, Ting; Cao, Yu; Wei, Chang-hao; Deng, Ze-yuan
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.146 pp. 111468
ISSN:
0023-6438
Subject:
microbial contamination,   etc   ; carboxylic ester hydrolases; hydrolysis; lipids; rancidity; rice bran;     Show all 6 Subjects
Abstract:
... The storage and utilization of rice bran are severely impeded due to the rapid rancidity caused by its lipase. However, little research was carried out to explore other factors for rice bran rancidity. In this study, five Bacilli with lipid hydrolysis abilities were isolated from rice bran and then inoculated into sample to explore the influence of microbial contamination on rancidity. Fresh rice ...
DOI:
10.1016/j.lwt.2021.111468

4. On the application of multi-parametric optical phenotyping of bacterial colonies for multipurpose microbiological diagnostics

Author:
Buzalewicz, Igor; Karwańska, Magdalena; Wieliczko, Alina; Podbielska, Halina
Source:
Biosensors & bioelectronics 2021 v.172 pp. 112761
ISSN:
0956-5663
Subject:
microbial contamination,   etc   ; biosensors; diagnostic techniques; interferometers; interferometry; models; phenotype;     Show all 7 Subjects
Abstract:
... The development of new diagnostics techniques and modalities is critical for early detection of microbial contamination. In this study, the novel integrated system for multi-parametric optical phenotyping and characterization of bacterial colonies, is presented. The system combines Mach-Zehnder interferometer with a spectral imaging system for capturing multispectral diffraction patterns and multi ...
DOI:
10.1016/j.bios.2020.112761

5. Determination of pepper microbial contamination for low energy e-beam irradiation

Author:
Gryczka, Urszula; Madureira, Joana; Verde, Sandra Cabo; Migdał, Wojciech; Bułka, Sylwester
Source:
Food microbiology 2021 v.98 pp. 103782
ISSN:
0740-0020
Subject:
microbial contamination,   etc   ; Piper nigrum; black pepper; decontamination; energy; food microbiology; irradiation;     Show all 7 Subjects
Abstract:
... Electrons with energies of 300 keV or lower have the potential to decontaminate the surfaces of various types of food products with minimal loss of quality. The aim of the present work was to determine the thickness of the layer inhabited by microorganisms. The food samples tested were black and white pepper irradiated with 200 keV, 230 keV, 300 keV and 9 MeV beams of electron energy. To determine ...
DOI:
10.1016/j.fm.2021.103782

6. A review of active packaging in bakery products: Applications and future trends

Author:
Qian, Mengyan; Liu, Donghong; Zhang, Xinhui; Yin, Zhongping; Ismail, Balarabe B.; Ye, Xingqian; Guo, Mingming
Source:
Trends in food science & technology 2021 v.114 pp. 459-471
ISSN:
0924-2244
Subject:
microbial contamination,   etc   ; antioxidants; bakery industry; diet; ethanol; human health; oxidation; shelf life; socioeconomic development; spoilage;     Show all 10 Subjects
Abstract:
... Rapid socio-economic development has allowed bakery products to gradually become a significant portion of people's daily diet throughout the world. However, microbial contamination and oxidation of lipids, as well as proteins in bakery products, may cause substantial economic losses and even threaten human health. The quality and safety properties of bakery products are highly dependent on packagi ...
DOI:
10.1016/j.tifs.2021.06.009

7. Efficacy of commercial overhead washing and waxing systems on the microbiological quality of fresh peaches

Author:
Wang, Peien; Pitts, Katie B.; Chen, Jinru
Source:
Food microbiology 2021 v.97 pp. 103761
ISSN:
0740-0020
Subject:
microbial contamination,   etc   ; Enterococcus; food microbiology; fresh produce; heat tolerance; microbiological quality; peaches; risk reduction; Georgia;     Show all 9 Subjects
Abstract:
... Overhead spray washing and waxing systems (WWS) are used commercially to reduce the risk of microbial contamination and improve the quality of fresh produce during packing. This study evaluated the microbiological quality of overhead spray water and spent peach wash water, as well as fresh peaches before and after they pass the WWS. Pre- and post-washed/waxed peach samples (n = 192) and overhead s ...
DOI:
10.1016/j.fm.2021.103761

8. Microbial community composition during artificial frosting of dried persimmon fruits

Author:
Chen, Xiaoxi; Chen, Qing; Liu, Yaxin; Liu, Bin; Zhao, Xubo; Duan, Xuchang
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.148 pp. 111694
ISSN:
0023-6438
Subject:
microbial contamination,   etc   ; Aspergillus; Candida; Penicillium; Wickerhamomyces; Zygosaccharomyces; community structure; microbial communities; mildews; persimmons; risk reduction; spoilage;     Show all 12 Subjects
Abstract:
... Spoilage caused by microbial contamination in dried persimmon fruits processed by traditional frosting often leads to considerable economic losses. Artificial frosting has recently been considered as an alternative method to reduce the risk of spoilage, however, in this study, expansion of packaging and mildew formation were still observed. The dynamics of bacteria and fungi structure in different ...
DOI:
10.1016/j.lwt.2021.111694

9. Nanosensing and nanobiosensing: Concepts, methods, and applications for quality evaluation of liquid foods

Author:
Manoj, D.; Shanmugasundaram, S.; Anandharamakrishnan, C.
Source:
Food control 2021 v.126 pp. 108017
ISSN:
0956-7135
Subject:
microbial contamination,   etc   ; affordability; chemical pollutants; detection; food contamination; food supply chain; liquids; nanotechnology; research; sensors (equipment);     Show all 10 Subjects
Abstract:
... Recent developments in nanoscience and technology show promising potential in food science, across every point of the food supply chain. One interesting field is the capabilities and merits of nanotechnology-based quality evaluation of foods. Nanosensors and nanobiosensors are emerging alternative techniques for the quantification of a range of chemicals, toxins, and microbial contaminants in food ...
DOI:
10.1016/j.foodcont.2021.108017

10. Former foodstuff in mealworm farming: Effects on fatty acids profile, lipid metabolism and antioxidant molecules

Author:
Mattioli, Simona; Paci, Gisella; Fratini, Filippo; Dal Bosco, Alessandro; Tuccinardi, Tiziano; Mancini, Simone
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.147 pp. 111644
ISSN:
0023-6438
Subject:
microbial contamination,   etc   ; Tenebrio molitor; antioxidants; breads; frass; lipid metabolism; nutritive value; vitamin A; wastes; zeaxanthin;     Show all 10 Subjects
Abstract:
... The capability of some insects to be reared on by-products, waste and former foodstuff make them a very promising response to the increasing request of animals’ products. Mealworm larvae (Tenebrio molitor) are widely studied for feed and food purposes. In this study the effects of five diets were tested on the fatty acids (FA) profile, the lipid metabolism and the antioxidant molecules of the larv ...
DOI:
10.1016/j.lwt.2021.111644

11. Selection of heat treatment conditions and prevention of secondary microbial contamination of liquid sugar: practical remarks

Author:
Błaszczyk, Ilona; Iciek, Jan
Source:
Journal of food science and technology 2021 v.58 no.7 pp. 2842-2846
ISSN:
0022-1155
Subject:
microbial contamination,   etc   ; cooling; diaphragm; food science; heat; heat inactivation; heat tolerance; heat treatment; juices; liquid sugar;     Show all 10 Subjects
Abstract:
... The purpose of the paper is to provide practical information on the selection of heat treatment conditions and the prevention of secondary microbial contamination of liquid sugar. The guidelines included in the paper were formulated on the basis of practical experience gained. The most important aspect often refers to the unnoticed cause of secondary contamination of liquid sugar after heat treatm ...
DOI:
10.1007/s13197-021-04971-3

12. Drying of Selected Major Spices: Characteristics and Influencing Parameters, Drying Technologies, Quality Retention and Energy Saving, and Mathematical Models

Author:
Majumder, Prasanta; Sinha, Abhijit; Gupta, Rajat; Sablani, Shyam S.
Source:
Food and bioprocess technology 2021 v.14 no.6 pp. 1028-1054
ISSN:
1935-5130
Subject:
microbial contamination,   etc   ; bioprocessing; energy; moisture diffusivity; shelf life; value added; water activity;     Show all 7 Subjects
Abstract:
... Demand for value-added spices all year round has warranted suitable post-harvest processing, since most are non-perennial by nature and perishable owing to enzymatic or maillard reactions and pathogenic microbial contamination. Drying involves the minimization of biologically active water up to the safe water activity level and increases the shelf life. An optimized drying technique is needed to b ...
DOI:
10.1007/s11947-021-02646-7

13. Wetting/spreading on porous media and on deformable, soluble structured substrates as a model system for studying the effect of morphology on biofilms wetting and for assessing anti-biofilm methods

Author:
Zabiegaj, Dominika; Hajirasouliha, Farzaneh; Duilio, Angela; Guido, Stefano; Caserta, Sergio; Kostoglou, Margaritis; Petala, Maria; Karapantsios, Thodoris; Trybala, Anna
Source:
Current opinion in colloid & interface science 2021 v.53 pp. 101426
ISSN:
1359-0294
Subject:
microbial contamination,   etc   ; biofilm; biofouling; bioremediation; corrosion; equipment; humans; liquids; wastewater treatment; wettability;     Show all 10 Subjects
Abstract:
... Biofilm is a layer of syntrophic microorganisms stick to each other and to the surface. The importance of biofilms is enormous in various industrial applications and human everyday life. The effects of biofilm could be either positive or negative. Positive effects are encountered in industrial processes, bioremediation, and wastewater treatment. Negative effects are more common with the marine ind ...
DOI:
10.1016/j.cocis.2021.101426

14. Microbial Contamination of Drinking Water Supplied by Private Wells after Hurricane Harvey

Author:
Pieper, Kelsey J.; Jones, C. Nathan; Rhoads, William J.; Rome, McNamara; Gholson, Drew M.; Katner, Adrienne; Boellstorff, Diane E.; Beighley, R. Edward
Source:
Environmental science & technology 2021 v.55 no.12 pp. 8382-8392
ISSN:
1520-5851
Subject:
microbial contamination,   etc   ; Escherichia coli; chlorination; coasts; coliform bacteria; disinfection; environmental science; hurricanes; Texas;     Show all 9 Subjects
Abstract:
... Hurricane Hurricane Harvey made landfall on the Texas Gulf Coast on August 25, 2017, as a Category 4 hurricane and caused widespread flooding. We explored spatial and temporal distributions of well testing and contamination rates; relationships between contamination and system characteristics and recovery behaviors; and efficacy of mitigation strategies. We estimated that over 500 000 well users ( ...
DOI:
10.1021/acs.est.0c07869

15. Ca and Mg Concentrations in Spices and Growth of Commonly Sporulated and Non-Sporulated Food-Borne Microorganisms According to Marketing Systems

Author:
García-Galdeano, José María; Villalón-Mir, Marina; Medina-Martínez, José; Fonseca-Moor-Davie, Sofía María; Zamora-Bustillos, Jessandra Gabriela; Vázquez-Foronda, Lydia María; Agil, Ahmad; Navarro-Alarcón, Miguel
Source:
Foods 2021 v.10 no.5
ISSN:
2304-8158
Subject:
microbial contamination,   etc   ; Bacillus cereus; Clostridium perfringens; Listeria monocytogenes; basil; glass; microbial culture; microbial growth; polyethylene terephthalates;     Show all 9 Subjects
Abstract:
... Ca and Mg levels were determined in five spices according to marketing system (in bulk or commercialized in glass or polyethylene terephthalate (PET) containers) and correlated with microbial growth of commonly sporulated (Clostridium perfringens and Bacillus cereus) and non-sporulated (Listeria monocytogenes, psychrophilic and mesophilic bacteria, and yeasts and molds) food-borne pathogens presen ...
DOI:
10.3390/foods10051122

16. Microbial Contamination in Hospital Environment Has the Potential to Colonize Preterm Newborns’ Nasal Cavities

Author:
Cason, Carolina; D’Accolti, Maria; Campisciano, Giuseppina; Soffritti, Irene; Ponis, Giuliano; Mazzacane, Sante; Maggiore, Adele; Risso, Francesco Maria; Comar, Manola; Caselli, Elisabetta
Source:
Pathogens 2021 v.10 no.5
ISSN:
2076-0817
Subject:
microbial contamination,   etc   ; Staphylococcus; Streptococcus; antibiotic resistance genes; hospitals; longitudinal studies; mucosa; neonates; risk; risk assessment;     Show all 10 Subjects
Abstract:
... Infants born before 28 weeks are at risk of contracting healthcare-associated infections (HAIs), which could be caused by pathogens residing on contaminated hospital surfaces. In this longitudinal study, we characterized by NGS the bacterial composition of nasal swabs of preterm newborns, at the time of birth and after admission to the Neonatal Intensive Care Unit (NICU), comparing it with that of ...
DOI:
10.3390/pathogens10050615

17. Application of real treated wastewater to starch production by microalgae: Potential effect of nutrients and microbial contamination

Author:
Noguchi, Mana; Aizawa, Ryo; Nakazawa, Daisuke; Hakumura, Yoshiki; Furuhashi, Yasuhiro; Yang, Sen; Ninomiya, Kazuaki; Takahashi, Kenji; Honda, Ryo
Source:
Biochemical engineering journal 2021 v.169 pp. 107973
ISSN:
1369-703X
Subject:
microbial contamination,   etc   ; activated sludge; biomass; carbohydrate content; chlorination; culture media; disinfection; microalgae; nitrogen content; starch; wastewater;     Show all 11 Subjects
Abstract:
... Some starch-accumulating microalgae are promising biomass resources for producing platform chemicals for biorefinery applications. The use of treated wastewater as the cultivation medium has been considered because real treated wastewater contains not only nutrients, but also bacteria from activated sludge. In this study, the potential feasibility of real treated wastewater for starch production b ...
DOI:
10.1016/j.bej.2021.107973

18. Quantitative microbiological risk assessment in dairy products: Concepts and applications

Author:
Ramos, Gustavo L.P.A.; Nascimento, Janaína S.; Margalho, Larissa P.; Duarte, Maria Carmela K.H.; Esmerino, Erick A.; Freitas, Mônica Q.; Cruz, Adriano G.; Sant’Ana, Anderson S.
Source:
Trends in food science & technology 2021 v.111 pp. 610-616
ISSN:
0924-2244
Subject:
microbial contamination,   etc   ; cheeses; databases; food production; hygiene; microbiological risk assessment; milk; raw materials; risk;     Show all 9 Subjects
Abstract:
... Quantitative microbiological risk assessment (QMRA) is the most complex stage of risk analysis, an important management tool that considers the entire food production chain. Through safety limits, health authorities and producers are concerned with achieving the minimum risk to consumer health. Dairy products are a class of foods very susceptible to microbial contamination, and need an extensive d ...
DOI:
10.1016/j.tifs.2021.03.017

19. Removal of Pathogens in Onsite Wastewater Treatment Systems: A Review of Design Considerations and Influencing Factors

Author:
Wang, Mian; Zhu, Julia; Mao, Xinwei
Source:
Water 2021 v.13 no.9
ISSN:
2073-4441
Subject:
microbial contamination,   etc   ; human health; microbiological quality; pathogens; wastewater; wastewater treatment; water; water quality;     Show all 8 Subjects
Abstract:
... Conventional onsite wastewater treatment systems (OWTSs) could potentially contribute to the transmission of infectious diseases caused by waterborne pathogenic microorganisms and become an important human health concern, especially in the areas where OWTSs are used as the major wastewater treatment units. Although previous studies suggested the OWTSs could reduce chemical pollutants as well as ef ...
DOI:
10.3390/w13091190

20. Cultivation-Based Quantification and Identification of Bacteria at Two Hygienic Key Sides of Domestic Washing Machines

Author:
Jacksch, Susanne; Zohra, Huzefa; Weide, Mirko; Schnell, Sylvia; Egert, Markus
Source:
Microorganisms 2021 v.9 no.5
ISSN:
2076-2607
Subject:
microbial contamination,   etc   ; Micrococcus; Staphylococcus; desorption; detergents; doors; humidity; hygiene; ionization; microbial load; rubber;     Show all 11 Subjects
Abstract:
... Detergent drawer and door seal represent important sites for microbial life in domestic washing machines. Interestingly, quantitative data on the microbial contamination of these sites is scarce. Here, 10 domestic washing machines were swab-sampled for subsequent bacterial cultivation at four different sampling sites: detergent drawer and detergent drawer chamber, as well as the top and bottom par ...
DOI:
10.3390/microorganisms9050905