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Xu Q, Chow PS, Xi E, Marsh R, Gupta S, Gupta KM. Evaluation of polymer-preservative interactions for preservation efficacy: molecular dynamics simulation and QSAR approaches. NANOSCALE 2024. [PMID: 39189358 DOI: 10.1039/d4nr02162b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
Preservatives are critical ingredients in various pharmaceutical and consumer products. In particular, a high efficacy preservative system is essential in enhancing the shelf-life and safety of these products. However, the development of such a preservative system heavily relies on experimental approaches. In this study, molecular dynamics (MD) simulation was complemented with quantitative structure-activity relationship (QSAR) modelling to comprehensively evaluate polymer-preservative interactions between three different polymers (polyethylene terephthalate, PET; polypropylene, PP; and cellulose) and a series of preservatives from the classes of aliphatic, aromatic, and organic acids. First, adsorption of preservatives onto polymer surfaces was simulated in an aqueous environment. The preservatives did not adhere to hydrophilic cellulose, but most preservatives were adsorbed by PET and PP in distinct configurations. Interaction energies (IEs) between the preservatives and the polymers generally increase from cellulose to PP and PET. The diffusion coefficients of preservatives are dependent on polymer nature, preservative structure, and their resulting molecular interactions. Linear and low molecular weight preservatives exhibit higher diffusion coefficients in polymers. For a particular preservative, diffusion coefficients increased in the order of cellulose < PET < PP. Finally, using MD properties and molecular descriptors of preservatives, QSAR models were developed to identify key descriptors of preservatives and predict their IEs and diffusion coefficients in polymers. This study demonstrates a computational approach for identifying critical materials properties, and predicting polymer-preservative molecular interactions in water. Such an approach streamlines the rational selection and design of high efficacy preservative systems for various pharmaceutical, food and cosmetic products. Furthermore, the integrated computational strategy also reduces trial-and-error experimental efforts, thereby accelerating the development of high efficacy preservative systems.
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Affiliation(s)
- Qisong Xu
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Pui Shan Chow
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Erte Xi
- Proctor & Gamble, Winton Hill Business Center, 6280 Center Hill Ave., Cincinnati, OH 45224, USA
| | - Randy Marsh
- Proctor & Gamble, Winton Hill Business Center, 6280 Center Hill Ave., Cincinnati, OH 45224, USA
| | - Shikar Gupta
- Procter & Gamble International Operations SA SG Branch, Singapore 138547, Singapore
| | - Krishna M Gupta
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
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Mim MF, Sikder MH, Chowdhury MZH, Bhuiyan AUA, Zinan N, Islam SMN. The dynamic relationship between skin microbiomes and personal care products: A comprehensive review. Heliyon 2024; 10:e34549. [PMID: 39104505 PMCID: PMC11298934 DOI: 10.1016/j.heliyon.2024.e34549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 08/07/2024] Open
Abstract
Healthy skin reflects a healthy microbiome and vice versa. The contemporary society, marked by a sharp increase in skin irritation cases, has compelled researchers, dermatologists, and the cosmetics industry to investigate the correlation between skin microbiomes and the use of skincare products. Different cosmetics can change skin's normal flora to a varying degree -some changes can be detrimental, there are also instances where these alterations aid in restoring the skin microbiome. Previous studies using artificial skin models, metagenomic analysis, and culture-based approaches have suggested that skincare products play an important role in skin microbial alteration. This article assessed current knowledge on microbial shifts from daily use of various personal and skincare products. We have also introduced a readily applicable framework, synthesized from various observations, which can be employed to identify the normal skin microbiome and evaluate the impact of personal care and skincare products on it. We also discussed how lifestyle choice remake skin microbial makeup. Future studies are warranted to examine the effect of personal and skincare product usage on skin microbiome across various age groups, genders, and body sites with a multi-study approach.
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Affiliation(s)
- Mahjabin Ferdaous Mim
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Mahmudul Hasan Sikder
- Department of Pharmacology, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Md. Zahid Hasan Chowdhury
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Ashkar-Ul-Alam Bhuiyan
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Nayeematul Zinan
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Shah Mohammad Naimul Islam
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
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Nemati MM, Abedi M, Ghasemi Y, Ashrafi H, Haghdel M. Formulation and evaluation of antioxidant and antibacterial activity of a peel-off facial masks moisturizer containing curcumin and Rosa Damascena extract. J Cosmet Dermatol 2024; 23:2156-2169. [PMID: 38406887 DOI: 10.1111/jocd.16255] [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] [Received: 10/11/2023] [Revised: 02/03/2024] [Accepted: 02/16/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Acne is a common skin issue that typically occurs during adolescence. It causes long-lasting redness and swelling in the skin. An alternative approach to treating acne could involve using a cosmetic facial mask containing herbal ingredients such as Curcumin and Rosa Damascena extract for its antibacterial properties. AIMS This study aims to create and try out a peel-off mask gel made from Curcumin and R. Damascena extract. This gel is intended to have the ability to kill bacteria such as Staphylococcus aureus, Escherichia coli, and Propionibacterium acnes and remove dead cells from the skin surface. METHODS The peel-off mask was made using polyvinyl alcohol (PVA) in 8% and 10% as solidifier. The evaluation of peel-off masks comprises the examination of physiochemical and mechanical aspects. Furthermore, their longevity, effectiveness, and antibacterial properties are also considered. RESULTS The white color, pleasant smell, and soft texture were the defining features of the peel-off gel mask. The changes in PVA affect the pH level, thickness, and how quickly the peel-off mask dries. The stability test found that the peel-off mask had no significant physical changes when exposed to freezing and thawing. However, there were some differences in color and separation when using the real-time method. A prepared peel-off mask containing 10% PVA and curcumin works best against P. acne. The amount of PVA in the formula affected the physical and chemical qualities, but it did not impact on the antibacterial abilities of the peel-off mask gel. The best formula that gives the best results uses 10% PVA + curcumin. CONCLUSIONS Using the Curcumin and R. Damascena extract in the creation of the peel-off mask gel ensures its efficacy and safety for skin application.
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Affiliation(s)
- Mohammad Mehdi Nemati
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Abedi
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Younes Ghasemi
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Pharmaceutical Biotechnology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hajar Ashrafi
- Department of Pharmaceutics, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mobin Haghdel
- Department of Tissue Engineering, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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Alshehrei FM. Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test. Saudi J Biol Sci 2024; 31:103965. [PMID: 38440744 PMCID: PMC10910155 DOI: 10.1016/j.sjbs.2024.103965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 02/21/2024] [Accepted: 02/24/2024] [Indexed: 03/06/2024] Open
Abstract
Cosmetic products may be exposed to microbial contamination during storage or transport, and to avoid the risk of microbial growth, manufacturers add preservative compounds as a protection for the product from spoilage. The Microbial Challenge test is a procedure to evaluate the preservative efficacy by challenging the product with testing microorganisms to determine the quality of preservation. In this study, thirty-two cosmetics products used for body and skin care were collected from markets and pharmacies in Mecca region, these products are subjected to microbiological analysis, results show that most samples are contaminated except six samples. Non contaminated samples were subjected to European Pharmacopeia 7.0 standards. Results show that two samples, foaming gel and body and face cream are failed to demonstrate the required microbiocidal effect against the S.aureus test species, results recorded 1.21 x 105 and 6.80 x 105 (CFU/ml) respectively at the second day of incubation, other products: shower gel, hand wash, body lotion and shampoo demonstrate that required microbiocidal effect against the test species during day 2, 7, 14 until day 28th. The microbial count number is less than 10 during all incubation periods. To prevent contamination in cosmetics, manufacturers are required to add a good preservative system to the products and examine them before sale. Due to the high percentage of microbial contamination in cosmetics in Mecca region and for consumers safety, this study is prepared.
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Affiliation(s)
- Fatimah M. Alshehrei
- Umm Al-Qura University, Jumum College University, Department of Biology, P.O Box 7388, Makkah 21955, Saudi Arabia
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Park HA, Seo H, Kim S, Haq AU, Bae SH, Lee HJ, Ju SH, Tajdozian H, Rahim MA, Ghorbanian F, Barman I, Yoon Y, Jo S, Lee Y, Cho G, Jo H, Kim M, Lee S, Song HY. Clinical effect of Pediococcus acidilactici PMC48 on hyperpigmented skin. J Cosmet Dermatol 2024; 23:215-226. [PMID: 37381171 DOI: 10.1111/jocd.15891] [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: 01/18/2023] [Revised: 05/24/2023] [Accepted: 06/14/2023] [Indexed: 06/30/2023]
Abstract
BACKGROUND The excessive production and accumulation of melanin in the epidermal skin layer can result in skin hyperpigmentation and darkening. Current technologies for regulating melanin are based on inhibiting melanin biosynthesis. They have low effectiveness and safety issues. AIMS This study aimed to evaluate the potential role of Pediococcus acidilactici PMC48 as a probiotic strain in medicines and cosmetics for skin treatment. MATERIALS AND METHODS Meanwhile, our research team has reported that P. acidilactici PMC48 strain isolated from sesame leaf kimchi can directly decompose the already synthesized melanin. It can also inhibit melanin biosynthesis. In the present study, we investigated the skin-whitening effect of this strain by arranging an 8-week clinical trial with 22 participants. PMC48 was applied to each participant's artificially UV-induced tanned skin in the clinical trial. Its whitening effect was investigated based on visual evaluation, skin brightness, and melanin index. RESULTS PMC48 showed a significant effect on the artificially induced pigmented skin. The color intensity of the tanned skin was decreased by 47.647%, and skin brightness was increased by 8.098% after the treatment period. PMC48 also significantly decreased the melanin index by 11.818%, indicating its tyrosinase inhibition capacity. Also, PMC48 improved skin moisture content level by 20.943%. Additionally, 16S rRNA-based amplicon sequencing analysis showed a distinct increase in Lactobacillaceae in the skin by up to 11.2% at the family level without affecting other skin microbiota. Furthermore, it showed no toxicity in in vitro or in vivo analyses. DISCUSSION These results indicate that P. acidilactici PMC48 is a promising probiotic strain that can be used to develop medicines and cosmetic products to solve skin-related problems. CONCLUSIONS These results demonstrate that P. acidilactici PMC48 can be a potential probiotic for the cosmetic industry against different skin disorders.
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Affiliation(s)
- Hyun-A Park
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Hoonhee Seo
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Sukyung Kim
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Asad Ul Haq
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Sung Hae Bae
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Hyun-Ji Lee
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Se Hee Ju
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Hanieh Tajdozian
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Md Abdur Rahim
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Fatemeh Ghorbanian
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Indrajeet Barman
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Youjin Yoon
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Sujin Jo
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Youngkyoung Lee
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
| | | | | | - Mijung Kim
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Saebim Lee
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
| | - Ho-Yeon Song
- Department of Microbiology and Immunology, College of Medicine, Soonchunhyang University, Cheonan, Korea
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan, Korea
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Lucassen R, van Leuven N, Bockmühl D. A loophole in soap dispensers mediates contamination with Gram-negative bacteria. Microbiologyopen 2023; 12:e1384. [PMID: 37877653 PMCID: PMC10541457 DOI: 10.1002/mbo3.1384] [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] [Received: 05/09/2023] [Revised: 09/11/2023] [Accepted: 09/19/2023] [Indexed: 10/26/2023] Open
Abstract
Liquid soap dispensers are widely used in domestic and clinical settings. In previous studies, the risk of bacterial contamination of refillable systems was pointed out and a bacterial contamination rate of 25%, with values of up to 108 colony-forming units/mL (CFU/mL), was reported. However, the route of contamination remains elusive. To address this point, we determined the microbial contamination of refillable standard pump dispensers and nonrefillable press-dispenser systems. Following the collection of 104 liquid soap dispensers from hotel rooms across Germany, bacterial counts were determined. Isolates of samples containing nonfastidious Gram-negative(lac-) bacteria were further analyzed by the Vitek 2 system for the determination of species. 70.2% of the refillable pump dispensers (mean total bacterial count = 2.2 × 105 CFU/mL) but only 10.6% of the nonrefillable press dispensers, were contaminated (mean total bacterial count = 1.5 × 101 CFU/mL). Of samples containing nonfastidious Gram-negative(lac-) bacteria, Pluralibacter gergoviae was present in 41.7%, Pseudomonads (Pseudomonas aeruginosa and Pseudomonas putida) in 25%, Serratia marcescens in 16.7%, and Klebsiella oxytoca and Pasteurella testudinis in 8.3%. After the initial assessment, we contaminated different dispensing systems with P. aeruginosa/P. gergoviae, to reveal the route of contamination and identied the pressure release of standard pump dispensers as the loophole for microbial contamination.
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Affiliation(s)
- Ralf Lucassen
- Faculty of Life SciencesRhine Waal University of Applied SciencesKleveGermany
| | - Nicole van Leuven
- Faculty of Life SciencesRhine Waal University of Applied SciencesKleveGermany
| | - Dirk Bockmühl
- Faculty of Life SciencesRhine Waal University of Applied SciencesKleveGermany
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Nusrat N, Ahmad Zahra M, Ahmed A, Haque F. Assessment of potential pathogenic bacterial load and multidrug resistance in locally manufactured cosmetics commonly used in Dhaka metropolis. Sci Rep 2023; 13:7787. [PMID: 37179424 PMCID: PMC10182989 DOI: 10.1038/s41598-023-34782-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 05/08/2023] [Indexed: 05/15/2023] Open
Abstract
In Bangladesh cosmetics are being produced disregarding the Good Manufacturing Practices. So, this study aimed to test the level and nature of bacterial contamination of such cosmetics. A total of 27 cosmetics comprising eight lipsticks, nine powders, and ten creams were bought from New Market and Tejgaon areas of Dhaka city and tested. Bacteria was detected in 85.2% of samples. Majority of the samples (77.8%) exceeded the limit given by the Bangladesh Standards and Testing Institution (BSTI), Food and Drug Administration (FDA) and the International Organization for Standardization (ISO). Both Gram-negative (Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Salmonella spp.) and Gram-positive bacteria (species of Streptococcus, Staphylococcus, Bacillus and Listeria monocytogenes) were identified. Hemolysis was observed in 66.7% Gram-positive and 25% Gram-negative bacteria. Multidrug resistance was tested in 165 randomly selected isolates. Every species of Gram-positive and Gram-negative bacteria exhibited varying levels of multidrug resistance. The highest levels of antibiotic resistance were in broad-spectrum antibiotics (ampicillin, azithromycin, cefepime, ciprofloxacin and meropenem) and narrow-spectrum Gram-negative antibiotics (aztreonam and colistin). Multidrug resistance was 12-78% in Gram-negative bacteria and 12-100% in Gram-positive bacteria. Coagulase and DNase were identified in 97.5% and 5.1% of Staphylococcus aureus isolates respectively. Our findings indicate that these cosmetics pose a risk to the public's health.
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Affiliation(s)
- Namira Nusrat
- Microbiology Program, Department of Mathematics and Natural Sciences, BRAC University, Dhaka, Bangladesh
| | - Maftuha Ahmad Zahra
- Microbiology Program, Department of Mathematics and Natural Sciences, BRAC University, Dhaka, Bangladesh
| | - Akash Ahmed
- Microbiology Program, Department of Mathematics and Natural Sciences, BRAC University, Dhaka, Bangladesh
| | - Fahim Haque
- Microbiology Program, Department of Mathematics and Natural Sciences, BRAC University, Dhaka, Bangladesh.
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Natural Compounds with Antimicrobial Properties in Cosmetics. Pathogens 2023; 12:pathogens12020320. [PMID: 36839592 PMCID: PMC9959536 DOI: 10.3390/pathogens12020320] [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: 12/15/2022] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Currently, the cosmetic industry is a very intensively growing part of the economy. Consumer demands are adapted to the current lifestyle, which is based on technological innovations and awareness of the impact of various factors on human health and fitness. There is growing interest in cosmetics based on environmentally friendly natural compounds exerting health-promoting effects. Chemicals with antimicrobial properties used as ingredients in cosmetics ensure their durability and safety. Polyphenolic compounds, peptides, essential oils, and plant extracts characterized by these properties are natural ingredients that can replace synthetic components of cosmetics. The advantage of these compounds is that they exhibit antioxidant, anti-inflammatory, and soothing properties, enhancing the product value in addition to their antimicrobial properties. This review article describes the antimicrobial properties of natural compounds that can protect cosmetics and can replace previously used preservative agents. Various studies indicate that the use of these compounds increases consumer interest in these products and has a positive impact on the environment.
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Wagemans J, Panda SK, Crauwels S, Lood C, Lievens B, Lavigne R, Luyten W. Identification of Spoilage Bacteria in Non-Food Products and Their Inhibition Using Botanical Extracts. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2022; 10:13805-13815. [DOI: 10.1021/acssuschemeng.2c04174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Affiliation(s)
| | - Sujogya Kumar Panda
- Center of Environment, Climate Change and Public Health, RUSA 2.0, Utkal University, Bhubaneswar 751004, India
- Department of Biology, KU Leuven, Leuven 3000, Belgium
| | - Sam Crauwels
- Department of Microbial and Molecular Systems, KU Leuven, Leuven 3001, Belgium
| | - Cédric Lood
- Department of Biosystems, KU Leuven, Leuven 3001, Belgium
- Department of Microbial and Molecular Systems, KU Leuven, Leuven 3001, Belgium
| | - Bart Lievens
- Department of Microbial and Molecular Systems, KU Leuven, Leuven 3001, Belgium
| | - Rob Lavigne
- Department of Biosystems, KU Leuven, Leuven 3001, Belgium
| | - Walter Luyten
- Department of Biology, KU Leuven, Leuven 3000, Belgium
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Perry E, Sutton GA, Haggag L, Fleker M, Blum SE, Kaufmann R. Pseudomonas aeruginosa isolation from dog grooming products used by private owners or by professional pet grooming salons: prevalence and risk factors. Vet Dermatol 2022; 33:316-e73. [PMID: 35635240 PMCID: PMC9542640 DOI: 10.1111/vde.13072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/17/2022] [Accepted: 01/24/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Pseudomonas aeruginosa is the most commonly isolated bacterium from skin lesions of dogs with post-grooming furunculosis (PGF). It is frequently found in human hair and skin care products, and may pose a health risk to consumers. Information regarding the prevalence of P. aeruginosa contamination of dog grooming products is lacking. OBJECTIVES To investigate the prevalence of P. aeruginosa contamination in nonmedicated dog grooming products after either home or professional use in pet grooming salons, and to identify risk factors that may be associated with contamination. MATERIALS AND METHODS Of 117 bottles of grooming products sampled for bacterial culture, 97 were used by pet grooming salons and 20 were used by private individuals. The following suspected risk factors were recorded: bottle size, relative remaining volume, content dilution, expiration date and ingredient list. RESULTS Pseudomonas aeruginosa was isolated from 14 of 117 samples [11.97%, 95% confidence interval (CI) 6.97-19.3%]. Diluted products were contaminated significantly more often compared to undiluted products (odds ratio = 15.5, 95%CI 2.05-117.23; P < 0.01). None of the other variables was significantly associated with P. aeruginosa contamination. CONCLUSIONS AND CLINICAL RELEVANCE Pseudomonas aeruginosa contamination of dog grooming shampoos and conditioners was significantly associated with product dilution. Contaminated grooming products may predispose dogs to severe bacterial skin infections such as PGF.
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Affiliation(s)
- Elad Perry
- Veterinary Teaching Hospital, The Koret School of Veterinary MedicineThe Hebrew University of JerusalemRehovotIsrael
| | - Gila Abells Sutton
- Veterinary Teaching Hospital, The Koret School of Veterinary MedicineThe Hebrew University of JerusalemRehovotIsrael
| | - Lotem Haggag
- Veterinary Teaching Hospital, The Koret School of Veterinary MedicineThe Hebrew University of JerusalemRehovotIsrael
| | - Marcelo Fleker
- Department of Bacteriology, Kimron Veterinary Institute, Veterinary ServicesMinistry of AgricultureBeit DaganIsrael
| | - Shlomo Eduardo Blum
- Department of Bacteriology, Kimron Veterinary Institute, Veterinary ServicesMinistry of AgricultureBeit DaganIsrael
| | - Ronnie Kaufmann
- Veterinary Teaching Hospital, The Koret School of Veterinary MedicineThe Hebrew University of JerusalemRehovotIsrael
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Cunha C, Ribeiro HM, Rodrigues M, Araujo ARTS. Essential oils used in dermocosmetics: Review about its biological activities. J Cosmet Dermatol 2021; 21:513-529. [PMID: 34871468 DOI: 10.1111/jocd.14652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 10/28/2021] [Accepted: 11/22/2021] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Currently, the demand for the use of constituents of natural origin in cosmetic formulations in detriment of synthetic compounds is noticeable. Several studies assess the potential of essential oils when incorporated into various cosmetic formulations and study their biological activities. This work intends to prepare a literature review on essential oils tested in dermocosmetic formulations and whose biological activities were evaluated through in vitro and/or in vivo tests. The main objectives for this study were as follows: to identify the essential oils that have been used in cosmetic formulations; and compile information on the main biological activities tested in cosmetic formulations. METHODS A search was carried out until 2021 in the scientific databases PubMed and Web of Science, using different search terms, and several scientific articles from in vitro and in vivo studies in animals and clinical trials were selected and analyzed of involving development dermocosmetic formulations containing essential oils and the analysis of their biological activities. RESULTS These studies demonstrate that the antimicrobial activity (antibacterial and antifungal) is the one most studied, mainly through in vitro tests. In vivo studies were also carried out either in animals or in clinical studies showing different effects, such as repellent action, inhibition of hair growth, and action against migraine. Regarding formulations, it was evident that creams are the most used. CONCLUSIONS There is enormous potential for the use of essential oils in future formulations in the cosmetic and pharmaceutical industry, in particular as preservatives, exploring their other biological activities.
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Affiliation(s)
- Cassandra Cunha
- Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, Guarda, Portugal
| | - Helena Margarida Ribeiro
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisboa, Lisboa, Portugal
| | - Márcio Rodrigues
- Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, Guarda, Portugal.,CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal
| | - André R T S Araujo
- Research Unit for Inland Development (UDI), Polytechnic Institute of Guarda, Guarda, Portugal.,LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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Bermond C, Cherrad S, Trainoy A, Ngari C, Poulet V. Real-time qPCR to evaluate bacterial contamination of cosmetic cream and the efficiency of protective ingredients. J Appl Microbiol 2021; 132:2106-2120. [PMID: 34586708 DOI: 10.1111/jam.15310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 02/04/2023]
Abstract
AIMS The absence of objectionable micro-organisms in cosmetics and the efficiency of preservatives are still mainly assessed by time-consuming cultivation-based methods. We explored the applicability of real-time quantitative polymerase chain reaction (qPCR) and reported on the behaviour of different bacteria in artificially contaminated creams. METHODS AND RESULTS Real-time qPCR on DNA from Burkholderia cepacia, Pluribacter gergoviae, Pseudomonas aeruginosa and Sphingomonas paucimobilis identified specific primer pairs that amplify accurately and efficiently two strains/isolates of each species. Using DNeasy mericon Food Kit, we detected bacterial growth in an inoculated cosmetic cream and persistency of DNA from heat-inactivated bacteria. We were also able to monitor the growth inhibitory effect of caprylyl glycol and EDTA, also showing how different bacterial species interact depending on the presence/absence of these ingredients. Finally, creams supplemented with the protective cosmetic ingredients revealed the various behaviour of five strains/isolates from P. aeruginosa. CONCLUSIONS Successfully extracting bacterial DNA from artificially contaminated cosmetic creams, we could perform real-time qPCR to identify and follow the growth of various strains of 4 bacteria species under different conditions. SIGNIFICANCE AND IMPACT OF THE STUDY Real-time qPCR appears as a promising method to detect bacterial contamination in cosmetic creams and/or to monitor growth inhibition by ingredients.
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Youenou B, Chauviat A, Ngari C, Poulet V, Nazaret S. In vitro study to evaluate the antimicrobial activity of various multifunctional cosmetic ingredients and chlorphenesin on bacterial species at risk in the cosmetic industry. J Appl Microbiol 2021; 132:933-948. [PMID: 34333822 DOI: 10.1111/jam.15245] [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: 05/19/2021] [Revised: 07/18/2021] [Accepted: 07/30/2021] [Indexed: 11/30/2022]
Abstract
AIMS We evaluated the activity of the preservative chlorphenesin and of four antimicrobial cosmetic multifunctional ingredients against various strains of gram-negative and gram-positive human opportunistic pathogens. METHODS AND RESULTS Growth kinetics, modelling growth parameters and statistical analyses enabled comparing bacterial behaviour in the presence and in the absence of the compound. Whatever compound tested (i.e. chlorphenesin, phenylpropanol, hexanediol, ethylhexylglycerin, hydroxyacetophenone) and strain origin (i.e. clinical versus industrial), the growth of 42 strains belonging to Acinetobacter spp., Burkholderia cepacia complex and Stenotrophomonas maltophilia, was totally inhibited. On the opposite all of the P. aeruginosa strains (n = 13) as well as 4 and 6 out of 10 strains of Pluralibacter gergoviae grew in the presence of chlorphenesin and ethylhexylglycerin, respectively. Some P. gergoviae and Staphylococcus hominis strains withstand hydroxyacetophenone. Within a species, the different strains show variable latency phase, growth rate (r) and carrying capacity (K). They can be similar, lower or higher than those measured in control conditions. CONCLUSIONS Data showed differences in the antimicrobial activity of compounds. Upon exposure, strains differed in their behaviour between and within species. Whatever species and strains, compound sensitivity could not be related to antibiotic resistance. SIGNIFICANCE AND IMPACT OF THE STUDY Most multifunctional ingredients showed significant antimicrobial properties against the wide panel of species and strains evaluated. This will help adjusting preservation strategies in the cosmetic industry.
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Affiliation(s)
- Benjamin Youenou
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, Villeurbanne, France
| | - Amandine Chauviat
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, Villeurbanne, France
| | | | | | - Sylvie Nazaret
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, Villeurbanne, France
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Murphy B, Hoptroff M, Arnold D, Eccles R, Campbell-Lee S. In-vivo impact of common cosmetic preservative systems in full formulation on the skin microbiome. PLoS One 2021; 16:e0254172. [PMID: 34234383 PMCID: PMC8263265 DOI: 10.1371/journal.pone.0254172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/22/2021] [Indexed: 01/04/2023] Open
Abstract
Preservatives play an essentially role in ensuring that cosmetic formulations remain safe for use via control of microbial contamination. Commonly used preservatives include organic acids, alcohols and phenols and these play an essential role in controlling the growth of bacteria, fungi and moulds in substrates that can potentially act as a rich food source for microbial contaminants. Whilst the activity of these compounds is clear, both in vitro and in formulation, little information exists on the potential impact that common preservative systems, in full formulation, have on the skin's resident microbiome. Dysbiosis of the skin's microbiome has been associated with a number of cosmetic conditions but there currently are no in vivo studies investigating the potential for preservative ingredients, when included in personal care formulations under normal use conditions, to impact the cutaneous microbiome. Here we present an analysis of four in vivo studies that examine the impact of different preservation systems in full formulation, in different products formats, with varying durations of application. This work demonstrates that despite the antimicrobial efficacy of the preservatives in vitro, the skin microbiome is not impacted by preservative containing products in vivo.
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Affiliation(s)
- Barry Murphy
- Unilever Research & Development, Port Sunlight, Bebington, Wirral, England, United Kingdom
| | - Michael Hoptroff
- Unilever Research & Development, Port Sunlight, Bebington, Wirral, England, United Kingdom
| | - David Arnold
- Unilever Research & Development, Port Sunlight, Bebington, Wirral, England, United Kingdom
| | - Richard Eccles
- Institute of Infection, Veterinary, and Ecological Sciences, University of Liverpool, Liverpool, England, United Kingdom
| | - Stuart Campbell-Lee
- Unilever Research & Development, Port Sunlight, Bebington, Wirral, England, United Kingdom
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15
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Yeh TC, Hou TY, Huang YY, Yu WK, Tsai CC. Plug-related canaliculitis: a rare or underdiagnosed disease? Clin Exp Optom 2021; 105:385-391. [PMID: 34139956 DOI: 10.1080/08164622.2021.1927675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
CLINICAL RELEVANCE Conjunctivitis, chalazion and blepharitis are routinely managed by optometrists. However, it is especially important to consider the diagnosis of canaliculitis in patients with chronic or recurrent conditions. BACKGROUND This study aimed to report the clinical features, radiological findings and treatment outcomes in patients with plug-related canaliculitis. METHODS This retrospective study included patients with canaliculitis secondary to plug insertion between 2007 and 2020. All data regarding epidemiological characteristics, clinical presentation, isolated microorganisms, computed tomography imaging findings, treatment, and outcomes were analysed. RESULTS A total of 20 plug-related canaliculitis from 19 patients (18.3%) among all 109 cases of canaliculitis were identified. All patients with plug-related canaliculitis were females with a past history of lacrimal plug insertion for dry eye (mean age: 58.2 years). Most patients were initially treated as conjunctivitis with the mean time lapse to a diagnosis of 5.2 months. The average time from plug insertion to onset of symptoms was 5.1 years. Eighteen patients underwent canaliculotomy, and one patient received lacrimal irrigation. Plugs were identified in 18 cases, with SmartPlug in 13 cases (72%), followed by EaglePlugTM (two cases), Herrick Lacrimal Plug (two cases), and migrated FCI Painless Plug (1 case). Cultures of discharge, concretions, and/or infected plugs mostly revealed Pseudomonas aeruginosa (42%). Orbital computed tomography in four cases with SmartPlug revealed central radiolucency with surrounding soft-tissue enhancement. No recurrent canaliculitis was observed throughout a mean follow-up period of 13.7 months. No patient needed re-plugging after canaliculotomy and plug removal, with only one required additional lubricants for recurrent dry eye. CONCLUSION Plug-related canaliculitis is often underdiagnosed due to late onset and similar symptoms to common ocular diseases. Awareness of plug insertion history as well as meticulous removal of the plug, concretion and/or granulation tissue is important for early diagnosis and to ensure a good outcome.
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Affiliation(s)
- Tsai-Chu Yeh
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
| | - Tzu-Yu Hou
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yu-Yun Huang
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wei-Kuang Yu
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chieh-Chih Tsai
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
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16
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Electrochemical Behaviour of Real-Time Sensor for Determination Mercury in Cosmetic Products Based on PANI/MWCNTs/AuNPs/ITO. COSMETICS 2021. [DOI: 10.3390/cosmetics8010017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Mercury is a common ingredient found in skin lightening soaps, creams, and makeup-cleansing products. It may cause skin rashes, skin discolouration, and scarring, as well as a reduction in the skin’s resistance to bacterial and fungal infections. By looking at this scenario, developing a sensor that involved a simple procedure and fasts for real-time detection without affecting mercury sensitivity is urgently needed. For that reason, a fast and sensitive electrochemical method was developed to determine mercury in cosmetic products with the composition of polyaniline/multi-walled carbon nanotubes/gold nanoparticles/indium tin oxide sheet using methylene blue as a redox indicator. The significantly enhanced electrochemical performance was observed using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). In order to detect mercury qualitatively and quantitatively, deposition potential and deposition time were respectively optimised to be 0.10 V and 70 s. The modified sensor was revealed a wide detection range of mercury from 0.01 to 10.00 ppm with a limit of detection of 0.08 ppm. The modified sensor towards mercury with a correlation coefficient (r2) was of 0.9948. Multiple cycling, reproducibility, and consistency of different modified sensors were investigated to verify the modified sensor’s performance. The developed sensing platform was highly selective toward mercury among the pool of possible interferents, and the stability of the developed sensor was ensured for at least 21 days after 10 repeated uses. The proposed method is a fast and simple procedure technique for analysing the mercury levels in cosmetic products.
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18
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Wang X, Şengür-Taşdemir R, Koyuncu İ, Tarabara VV. Lip balm drying promotes virus attachment: Characterization of lip balm coatings and XDLVO modeling. J Colloid Interface Sci 2021; 581:884-894. [PMID: 32877879 PMCID: PMC7398005 DOI: 10.1016/j.jcis.2020.07.143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/29/2020] [Accepted: 07/29/2020] [Indexed: 01/01/2023]
Abstract
HYPOTHESIS Drying-induced decrease in lip balm surface energy enhances virus adhesion due to the emergence of strong hydrophobic colloid-surface interactions. EXPERIMENTS A protocol was developed for preparing lip balm coatings to enable physicochemical characterization and adhesion studies. Surface charge and hydrophobicity of four brands of lip balm (dry and hydrated) and human adenovirus 5 (HAdV5) were measured and used to calculate the extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) energy of interactions between lip balm coatings and HAdV5 as well as four other colloids: HAdV40, MS2 and P22 bacteriophages, and SiO2. Quartz crystal microbalance with dissipation monitoring (QCM-D) tests employed SiO2 colloids, HAdV5 and hydrated lip balms. FINDINGS Drying of lip balms results in a dramatic decrease of their surface energy (δΔGsws≥ 83.0 mJ/m2) making the surfaces highly hydrophobic. For dry lip balms, the interaction of the balm surface with all five colloids is attractive. For lip balms hydrated in 150 mM NaCl (ionic strength of human saliva), XDLVO calculations predict that hydrophilic colloids (MS2, P22, SiO2) may attach into shallow secondary minima. Due to the relative hydrophobicity of human adenoviruses, primary maxima in XDLVO profiles are low or non-existent making irreversible deposition into primary energy minima possible. Preliminary QCM-D tests with SiO2 colloids and HAdV5 confirm deposition on hydrated lip balms.
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Affiliation(s)
- Xunhao Wang
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA.
| | - Reyhan Şengür-Taşdemir
- National Research Center on Membrane Technologies, Istanbul Technical University, Istanbul, Turkey.
| | - İsmail Koyuncu
- National Research Center on Membrane Technologies, Istanbul Technical University, Istanbul, Turkey; Department of Environmental Engineering, Faculty of Civil Engineering, Istanbul Technical University, Istanbul, Turkey.
| | - Volodymyr V Tarabara
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA.
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19
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De Volder AL, Teves S, Isasmendi A, Pinheiro JL, Ibarra L, Breglia N, Herrera T, Vazquez M, Hernandez C, Degrossi J. Distribution of Burkholderia cepacia complex species isolated from industrial processes and contaminated products in Argentina. Int Microbiol 2020; 24:157-167. [PMID: 33184776 DOI: 10.1007/s10123-020-00151-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 10/21/2020] [Accepted: 10/29/2020] [Indexed: 01/03/2023]
Abstract
Burkholderia cepacia complex (Bcc) members have clinical relevance as opportunistic pathogens in patients with cystic fibrosis and are responsible of numerous nosocomial infections. These closely related bacteria are also reported as frequent contaminants of industrial products. In this retrospective study, we use PCR and recA gene sequence analysis to identify at species level Bcc isolates recovered from massive consumption products and industrial processes in Argentina during the last 25 years. The sequences obtained were also compared with recA sequences from clinical Bcc isolates deposited in GenBank database. We detected Bcc in purified water and preserved products from pharmaceutics, cosmetics, household cleaning articles, and beverages industries. B. contaminans (which is prevalent among people with cystic fibrosis in Argentina) was the most frequent Bcc species identified (42% of the Bcc isolates studied). B. cepacia (10%), B. cenocepacia (5%), B. vietnamiensis (16%), B. arboris (3%), and the recently defined B. aenigmatica (24%) were also detected. Rec A sequences from all B. cepacia and most B. contaminans industrial isolates obtained in this study displayed 100% identity with recA sequences from isolates infecting Argentinean patients. This information brings evidence for considering industrial massive consumption products as a potential source of Bcc infections. In addition, identification at species level in industrial microbiological laboratories is necessary for a better epidemiological surveillance. Particularly in Argentina, more studies are required in order to reveal the role of these products in the acquisition of B. contaminans infections.
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Affiliation(s)
- A López De Volder
- Cátedra de Microbiología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.,Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - S Teves
- Cátedra de Microbiología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - A Isasmendi
- Servicio de Microbiología, Hospital de Pediatría Juan P. Garrahan, Buenos Aires, Argentina
| | - J L Pinheiro
- Servicio de Microbiología, Hospital de Pediatría Juan P. Garrahan, Buenos Aires, Argentina
| | - L Ibarra
- Servicio de Bacteriología Clínica, Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina
| | - N Breglia
- Cátedra de Microbiología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - T Herrera
- Facultad de Ciencias Exactas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - M Vazquez
- Servicio de Bacteriología Clínica, Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina
| | - C Hernandez
- Servicio de Microbiología, Hospital de Pediatría Juan P. Garrahan, Buenos Aires, Argentina
| | - José Degrossi
- Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina. .,Cátedra de Salud Pública e Higiene Ambiental, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956 4° Floor, Ciudad Autónoma de Buenos Aires, Argentina.
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Ion mobility spectrometry and mass spectrometry coupled to gas chromatography for analysis of microbial contaminated cosmetic creams. Anal Chim Acta 2020; 1128:52-61. [DOI: 10.1016/j.aca.2020.06.069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 06/12/2020] [Accepted: 06/28/2020] [Indexed: 11/19/2022]
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21
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Park SH, Kim HK. Antibacterial activity of emulsions containing unsaturated fatty acid ergosterol esters synthesized by lipase-mediated transesterification. Enzyme Microb Technol 2020; 139:109581. [DOI: 10.1016/j.enzmictec.2020.109581] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/10/2020] [Accepted: 04/17/2020] [Indexed: 12/29/2022]
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22
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Salicylate UV-Filters in Sunscreen Formulations Compromise the Preservative System Efficacy against Pseudomonas aeruginosa and Burkholderia cepacia. COSMETICS 2020. [DOI: 10.3390/cosmetics7030063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Contamination of personal-care products are a serious health concern and therefore, preservative solutions are necessary for the costumers’ safety. High sun protection factor (SPF) sunscreen formulations are known to be difficult to preserve, due to their high ratio of organic phase containing the UV-filters. Salicylate esters such as octyl salicylate (OS) and homosalate (HS) are among the most common UV-filters currently used in the market, and can undergo hydrolysis by esterase molecules produced by contaminant microorganisms. The hydrolysis product, salicylic acid (SA) can be assimilated by certain bacteria that contain the chorismate pathway, in which its final product is pyochelin, an iron-chelating siderophore. Here, we show that OS and HS can compromise the preservative efficacy against two pathogenic important bacteria, Pseudomonas aeruginosa and Burkholderia cepacia. Challenge tests of formulations containing the UV-filters demonstrated that only bacteria with the chorismate pathway failed to be eradicated by the preservation system. mRNA expression levels of the bacterial pchD gene, which metabolizes SA to produce pyochelin, indicate a significant increase that was in correlation with increasing concentrations of both OS and HS. These data suggest that certain UV-filters can provide a source for bacterial resistance against common preservatives in sunscreen formulations.
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Preliminary Evidence of a Molecular Detection Method to Analyze Bacterial DNA as a Quality Indicator in Cosmetics. COSMETICS 2020. [DOI: 10.3390/cosmetics7030054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Cosmetics are a category of widely consumed and distributed products, and their manufacture is always subject to specific guidelines. Quality Control (QC) tests provide information supporting the absence of injurious organisms and regarding the microbiological stability of cosmetics. The microbiological risk analysis is typically performed using the plate count method, which is a time-consuming and operator-dependent approach. Molecular technologies allow a deeper and more sensitive testing than traditional cultures. The demand for rapid and sensitive methods is recently increasing. The aim of our study was to compare different DNA extraction methods in order to detect and quantify bacterial load in cosmetics using a qPCR system. Known numbers of microorganisms were spiked into six different cosmetics to simulate contaminated samples. DNA was extracted with seven extraction kits and then quantified by real-time qPCR. Results revealed differences in terms of cell recovery, DNA yield, and quality. The bead-beating approaches were the most suitable in our molecular workflow and lead to good quality DNA for analysis by qPCR within four hours. Combined with mechanical extraction, qPCR may represent an efficient and easy method for microorganism identification in cosmetics, and can be automated. This approach also is also applicable for the detection of probiotics used as beneficial biological components in cosmetic products. The results of our molecular method provided preliminary evidences for the rapid identification of cells (10–100) and nucleic acids in complex preparations employed for human health, in compliance with regulatory limits. The suggested methodology is easy, fast, and sensitive. Its scalability allows serial microbiological evaluation at every manufacturing step.
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Tracking Bacterial Spoilage in Cosmetics by a New Bioanalytical Approach: API-SPME-GC-MS to Monitor MVOCs. COSMETICS 2020. [DOI: 10.3390/cosmetics7020038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The main goal of this work was the use of the powerful solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS) technique to unequivocally identify microbial volatile organic compounds (MVOCs) derived from the enzymatic activity produced during metabolic processes using analytical profile index (API) biochemical tests. Three bacteria were selected for this study: Escherichia coli, Proteus mirabilis, and Pseudomonas aeruginosa. They were inoculated and incubated to both API components and real cosmetics, as well as to a mixture of them. Specific MVOCs were successfully identified as biomarkers for each one of the studied microorganisms: Indole and 2-nitrophenol as Escherichia coli markers, 2-undecanone and phenylethyl alcohol as Proteus mirabilis-specific markers, and 1-undecene and 2′-aminoacetophenone as Pseudomonas aeruginosa ones. In addition, a high number of MVOCs were identified as general markers of bacterial presence. The results revealed that the MVOCs’ formation is highly subtract dependent. Therefore, the ultimate and most challenging objective is to establish a relationship between the identified MVOCs and the original compound present in the substrate. This work establishes the design and development of this original approach, and its practical application to the control of microbial contamination in real cosmetic samples.
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Cunningham-Oakes E, Weiser R, Pointon T, Mahenthiralingam E. Understanding the challenges of non-food industrial product contamination. FEMS Microbiol Lett 2020; 366:5707401. [PMID: 31977006 PMCID: PMC6986549 DOI: 10.1093/femsle/fnaa010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 01/14/2020] [Indexed: 12/14/2022] Open
Abstract
Preventing microbial contamination of non-food products is a major area of industrial microbiology where preservatives are used to stop microbial growth. However, microorganisms occasionally overcome product preservation, causing recalls and the implementation of multiple procedures to prevent further contamination. Correct reporting of microbial contamination in non-food industrial products is vital, especially if spoilage organisms are antimicrobial resistant and pose a health threat. Gram-negative bacteria such as Pseudomonas, Burkholderia and Enterobacteriaceae are frequently reported as non-food product contaminants, including species that overlap current antimicrobial resistance priorities. Historical analysis of recall databases highlighted that for greater than 15% of contamination incidents, the causative microbial agents are reported as unidentified. Here we review the current antimicrobial resistant bacterial species associated with non-food product contamination and evaluate recall reporting in Europe from 2005 to 2018. Our review shows that 49% of microbial contaminants are reported as unidentified despite frequent detection of antimicrobial resistant pathogens; in contrast, 98% of food-related microbial contaminants are classified. Recommendations to fill this microbial identification gap in non-food product recalls are made. Overall, reporting standards for microbial contamination in non-food products must be improved to enable surveillance and for understanding the risks associated with antimicrobial resistant microorganisms.
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Affiliation(s)
- Edward Cunningham-Oakes
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Park Place, Cardiff, UK, Wales CF10 3AX, UK
| | - Rebecca Weiser
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Park Place, Cardiff, UK, Wales CF10 3AX, UK
| | - Tom Pointon
- Unilever Research and Development, Port Sunlight, Wirral, CH62 4ZD, UK
| | - Eshwar Mahenthiralingam
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Park Place, Cardiff, UK, Wales CF10 3AX, UK
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Kim HW, Seok YS, Cho TJ, Rhee MS. Risk factors influencing contamination of customized cosmetics made on-the-spot: Evidence from the national pilot project for public health. Sci Rep 2020; 10:1561. [PMID: 32005845 PMCID: PMC6994525 DOI: 10.1038/s41598-020-57978-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 01/09/2020] [Indexed: 11/24/2022] Open
Abstract
Customized cosmetics made by consumers or sellers on-the-spot have several safety issues, and therefore require a preventative approach to their safety management. The present study aimed to identify potential factors affecting the safety of customized cosmetics made on-the-spot. Heavy metals and microbial contaminants in customized cosmetics were analyzed in 120 samples. It was revealed that the transfer of cosmetics to new containers during the production process is a significant risk factor for cross-contamination and that heat treatment is crucial for reducing the number of microorganisms in the products. For instance, cosmetics made with heat and with no transfer showed relatively low microbial counts ranging from not detected to 440 CFU/ml. The high pH (>pH 10) of samples did not guarantee the microbial safety of the freshly made cosmetics (with a rinse-off product having 2,830 CFU/ml and a pH of 11.2). There was no significant difference in microbial counts among cosmetic types (P > 0.05); however, semisolid types, especially creams and rinse-off products, were susceptible to contamination (maximum 2,710 and 2,830 CFU/ml, respectively). Most microorganisms in the customized cosmetics (40.8%) decreased to non-detectable levels during 60 days of storage. None of the samples harbored heavy metals. Sequencing analysis of isolates revealed some bacteria and mold that could cause human infections. The results of this study suggest that the regulation of customized cosmetics should consider the risk factors revealed in this study, as the products made on-the-spot are also final products sent directly to consumers.
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Affiliation(s)
- Hye Won Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Yae Sle Seok
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Tae Jin Cho
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Min Suk Rhee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea.
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28
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Soultanov VS, Kraeva LA. Antibacterial Activity of Conifer Green Needle Complex Against Corynebacteria. Nat Prod Commun 2020. [DOI: 10.1177/1934578x19900611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Traditionally, preservatives have been used in cosmetic products to minimize bacterial contamination. Some opportunistic Corynebacterium spp. have become resistant to these preservatives and other alternatives are required. A potential candidate is Conifer Green Needle Complex (CGNC), a pharmaceutical-grade complex substance from the green verdure of Pinus sylvestris and Picea abies with antibacterial, antimycotic, and antitrichomonal activity. The susceptibility of Corynebacterium xerosis and Corynebacterium flavescens to CGNC (3.5, 7, 15, 30, 60, 125, 250, and 500 mg/mL) was evaluated using broth dilution and agar methods. The antibacterial effect of CGNC was also evaluated after exposure for 30 minutes and 1, 3, and 24 hours at concentrations of 0, 3.5, 7, 30, 125, and 500 mg/mL. Corynebacteria xerosis was inhibited when exposed to low levels of CGNC (1560 mg/mL), whereas an antibacterial effect on C. flavescens was observed at slightly higher levels (60 and 125 mg/mL). CGNC also inhibited the growth of C. xerosis and C. flavescens at various incubation time points. The most prominent effect was observed after 24 hours where all growth was inhibited at all concentrations. However, CGNC inhibited or decreased the growth of Corynebacterium spp. even at lower exposure times. The results obtained in this study demonstrated that CGNC is an effective bactericidal agent against C. xerosis and C. flavescens isolated from clinical samples and may have potential as an alternative to preservatives currently used in cosmetic products.
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Affiliation(s)
- Vagif S. Soultanov
- Saint Petersburg State Forest Technical University, Russia
- Prenolica Limited, South Melbourne, Australia
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Weiser R, Green AE, Bull MJ, Cunningham-Oakes E, Jolley KA, Maiden MCJ, Hall AJ, Winstanley C, Weightman AJ, Donoghue D, Amezquita A, Connor TR, Mahenthiralingam E. Not all Pseudomonas aeruginosa are equal: strains from industrial sources possess uniquely large multireplicon genomes. Microb Genom 2019; 5:e000276. [PMID: 31170060 PMCID: PMC6700666 DOI: 10.1099/mgen.0.000276] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 05/24/2019] [Indexed: 12/13/2022] Open
Abstract
Pseudomonas aeruginosa is a highly versatile, antibiotic-resistant Gram-negative bacterium known for causing opportunistic infections and contamination of industrial products. Despite extensive genomic analysis of clinical P. aeruginosa strains, no genomes exist for preservative-tolerant industrial strains. A unique collection of 69 industrial isolates was assembled and compared to clinical and environmental strains; 16 genetically distinct industrial strains were subjected to array tube genotyping, multilocus sequence typing and whole-genome sequencing. The industrial strains possessed high preservative tolerance and were dispersed widely across P. aeruginosa as a species, but recurrence of strains from the same lineage within specific industrial products and locations was identified. The industrial P. aeruginosa genomes (mean=7.0 Mb) were significantly larger than those of previously sequenced environmental (mean=6.5 Mb; n=19) and clinical (mean=6.6 Mb; n=66) strains. Complete sequencing of the P. aeruginosa industrial strain RW109, which encoded the largest genome (7.75 Mb), revealed a multireplicon structure including a megaplasmid (555 265 bp) and large plasmid (151 612 bp). The RW109 megaplasmid represented an emerging plasmid family conserved in seven industrial and two clinical P. aeruginosa strains, and associated with extremely stress-resilient phenotypes, including antimicrobial resistance and solvent tolerance. Here, by defining the detailed phylogenomics of P. aeruginosa industrial strains, we show that they uniquely possess multireplicon, megaplasmid-bearing genomes, and significantly greater genomic content worthy of further study.
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Affiliation(s)
- Rebecca Weiser
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
| | - Angharad E. Green
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
- University of Liverpool, Institute of Infection and Global Health, Liverpool, UK
| | - Matthew J. Bull
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
| | - Edward Cunningham-Oakes
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
| | - Keith A. Jolley
- Department of Zoology, The Tinbergen Building, University of Oxford, Oxford, UK
| | - Martin C. J. Maiden
- Department of Zoology, The Tinbergen Building, University of Oxford, Oxford, UK
| | - Amanda J. Hall
- University of Liverpool, Institute of Infection and Global Health, Liverpool, UK
| | - Craig Winstanley
- University of Liverpool, Institute of Infection and Global Health, Liverpool, UK
| | - Andrew J. Weightman
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
| | - Denise Donoghue
- Unilever Research and Development, Port Sunlight, Wirral, UK
| | - Alejandro Amezquita
- Unilever Research and Development, Safety and Environmental Assurance Centre, Colworth House, Sharnbrook, Bedford, UK
| | - Thomas R. Connor
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
| | - Eshwar Mahenthiralingam
- Microbiomes, Microbes and Informatics Group, Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff, Wales, UK
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Vincze S, Al Dahouk S, Dieckmann R. Microbiological Safety of Non-Food Products: What Can We Learn from the RAPEX Database? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16091599. [PMID: 31067693 PMCID: PMC6538994 DOI: 10.3390/ijerph16091599] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 05/03/2019] [Accepted: 05/03/2019] [Indexed: 01/04/2023]
Abstract
For consumer protection across borders, the European Union has established the rapid alert system for dangerous non-food products (RAPEX), with the overarching goal of preventing or limiting the sale and use of non-food products that present a serious risk for the health and safety of consumers. In our study, we comprehensively analyzed RAPEX notifications associated with products posing a microbiological risk from 2005 through 2017. Additional information was retrieved from national laboratory reports. A total of 243 microbiologically harmful consumer products triggered notifications in 23 out of 31 participating countries. About half of the products were reported by Spain, Germany, and Italy. Notifications mainly included contaminated toys, cosmetics, and chemical products. Depending on the notifying country, measures taken to prevent the spread of dangerous products were predominantly ordered either by public authorities or economic operators. The interval between microbiological diagnosis and the date of RAPEX notifications considerably varied between RAPEX member states, ranging between a few days and 82 weeks. The nature and extent of RAPEX usage substantially differed among member states, calling for harmonization and optimization. Slight modifications to RAPEX could help to systematically record microbiological hazards, which may improve the assessment of potential health risks due to contaminated non-food products.
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Affiliation(s)
- Szilvia Vincze
- Department of Biological Safety, German Federal Institute for Risk Assessment, 10589 Berlin, Germany.
| | - Sascha Al Dahouk
- Department of Biological Safety, German Federal Institute for Risk Assessment, 10589 Berlin, Germany.
| | - Ralf Dieckmann
- Department of Biological Safety, German Federal Institute for Risk Assessment, 10589 Berlin, Germany.
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31
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Aerts O, Goossens A. Preservatives. Contact Dermatitis 2019. [DOI: 10.1007/978-3-319-72451-5_85-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Halla N, Fernandes IP, Heleno SA, Costa P, Boucherit-Otmani Z, Boucherit K, Rodrigues AE, Ferreira ICFR, Barreiro MF. Cosmetics Preservation: A Review on Present Strategies. Molecules 2018; 23:E1571. [PMID: 29958439 PMCID: PMC6099538 DOI: 10.3390/molecules23071571] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 06/24/2018] [Accepted: 06/26/2018] [Indexed: 12/17/2022] Open
Abstract
Cosmetics, like any product containing water and organic/inorganic compounds, require preservation against microbial contamination to guarantee consumer’s safety and to increase their shelf-life. The microbiological safety has as main goal of consumer protection against potentially pathogenic microorganisms, together with the product’s preservation resulting from biological and physicochemical deterioration. This is ensured by chemical, physical, or physicochemical strategies. The most common strategy is based on the application of antimicrobial agents, either by using synthetic or natural compounds, or even multifunctional ingredients. Current validation of a preservation system follow the application of good manufacturing practices (GMPs), the control of the raw material, and the verification of the preservative effect by suitable methodologies, including the challenge test. Among the preservatives described in the positive lists of regulations, there are parabens, isothiasolinone, organic acids, formaldehyde releasers, triclosan, and chlorhexidine. These chemical agents have different mechanisms of antimicrobial action, depending on their chemical structure and functional group’s reactivity. Preservatives act on several cell targets; however, they might present toxic effects to the consumer. Indeed, their use at high concentrations is more effective from the preservation viewpoint being, however, toxic for the consumer, whereas at low concentrations microbial resistance can develop.
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Affiliation(s)
- Noureddine Halla
- Antibiotics Antifungal Laboratory, Physical Chemistry, Synthesis and Biological Activity (LAPSAB), Department of Biology, Faculty of Sciences, University of Tlemcen, BP 119, 13000 Tlemcen, Algeria.
- Laboratory of Biotoxicology, Pharmacognosy and Biological Recovery of Plants, Department of Biology, Faculty of Sciences, University of Moulay-Tahar, 20000 Saida, Algeria.
| | - Isabel P Fernandes
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5301-253 Bragança, Portugal.
| | - Sandrina A Heleno
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5301-253 Bragança, Portugal.
| | - Patrícia Costa
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal.
| | - Zahia Boucherit-Otmani
- Antibiotics Antifungal Laboratory, Physical Chemistry, Synthesis and Biological Activity (LAPSAB), Department of Biology, Faculty of Sciences, University of Tlemcen, BP 119, 13000 Tlemcen, Algeria.
| | - Kebir Boucherit
- Antibiotics Antifungal Laboratory, Physical Chemistry, Synthesis and Biological Activity (LAPSAB), Department of Biology, Faculty of Sciences, University of Tlemcen, BP 119, 13000 Tlemcen, Algeria.
| | - Alírio E Rodrigues
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal.
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
| | - Maria Filomena Barreiro
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal.
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Bragança, Campus Santa Apolónia, 5301-253 Bragança, Portugal.
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Green AE, Amézquita A, Le Marc Y, Bull MJ, Connor TR, Mahenthiralingam E. The consistent differential expression of genetic pathways following exposure of an industrial Pseudomonas aeruginosa strain to preservatives and a laundry detergent formulation. FEMS Microbiol Lett 2018; 365:4935160. [PMID: 29548026 PMCID: PMC5905593 DOI: 10.1093/femsle/fny062] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/28/2018] [Indexed: 12/22/2022] Open
Abstract
Pseudomonas aeruginosa is a common contaminant associated with product recalls in the home and personal care industry. Preservation systems are used to prevent spoilage and protect consumers, but greater knowledge is needed of preservative resistance mechanisms used by P. aeruginosa contaminants. We aimed to identify genetic pathways associated with preservative exposure by using an industrial P. aeruginosa strain and implementing RNA-Seq to understand gene expression changes in response to industry relevant conditions. The consistent differential expression of five genetic pathways during exposure to multiple industrial growth conditions associated with benzisothiazolone (BIT) and phenoxyethanol (POE) preservatives, and a laundry detergent (LD) formulation, was observed. A MexPQ-OpmE Resistance Nodulation Division efflux pump system was commonly upregulated in response to POE, a combination of BIT and POE, and LD together with BIT. In response to all industry conditions, a putative sialic acid transporter and isoprenoid biosynthesis gnyRDBHAL operon demonstrated consistent upregulation. Two operons phnBA and pqsEDCBA involved in Pseudomonas quinolone signaling production and quorum-sensing were also consistently downregulated during exposure to all the industry conditions. The ability to identify consistently differentially expressed genetic pathways in P. aeruginosa can inform the development of future targeted preservation systems that maintain product safety and minimise resistance development.
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Affiliation(s)
- Angharad E Green
- Microbiomes, Microbes and Informatics Group (MMI), Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
| | - Alejandro Amézquita
- Unilever, Safety and Environment Assurance Centre (SEAC), Bedfordshire MK44 1LQ, UK
| | - Yvan Le Marc
- Unilever, Safety and Environment Assurance Centre (SEAC), Bedfordshire MK44 1LQ, UK
| | - Matthew J Bull
- Microbiomes, Microbes and Informatics Group (MMI), Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
| | - Thomas R Connor
- Microbiomes, Microbes and Informatics Group (MMI), Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
| | - Eshwar Mahenthiralingam
- Microbiomes, Microbes and Informatics Group (MMI), Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, UK
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Periz G, Misock J, Huang MCJ, Dewan K, Sadrieh N. FDA 2014 survey of eye area cosmetics for microbiological safety. Lett Appl Microbiol 2018; 67:32-38. [PMID: 29665083 DOI: 10.1111/lam.12995] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/02/2018] [Accepted: 04/03/2018] [Indexed: 11/30/2022]
Abstract
In an attempt to assess cosmetics containing 'nontraditional' preservatives, 93 eye area cosmetic products were selected based on labelled or marketed claims that these products were 'green', 'natural', 'paraben-free', 'preservative-free' or contained nontraditional preservatives (e.g. botanical extracts). Products were analysed for water activity, pH and microbiological content, which included enumeration of aerobic micro-organisms, detection of microbial growth after a 7-day enrichment and identification of microbial isolates. The survey found that 60% (56/93) of the eye area cosmetics were free of microbiological growth under test conditions, 32% (30/93) showed the presence of micro-organisms at low levels (<100 CFU per ml or g) and 8% (7/93) showed microbiological growth at higher levels (> 100 CFU per ml or g). Gram-positive bacteria such as Bacillus and Staphylococcus were the dominant genera identified in these cosmetic products, whereas Gram-negative species were relatively uncommon. The survey found a positive association between lower water activity cosmetics and the presence of micro-organisms in these products. Similarly, colour cosmetics were more likely to contain micro-organisms than noncolour cosmetics. The most represented micro-organisms in the survey were from genus Bacillus, suggesting that the natural raw materials are the likely source of observed microbial loads. SIGNIFICANCE AND IMPACT OF THE STUDY In the United States, cosmetic products are regulated postmarket; therefore, surveillance programmes are one of FDA's most important tools for monitoring microbiological safety of cosmetics. 'Traditional' preservatives, such as parabens and formaldehyde releasers, are perceived unfavourably by some consumers, resulting in cosmetic manufacturers increasingly using 'nontraditional' preservatives. FDA conducted an analytical survey of eye area cosmetics that claimed to be free of traditional preservatives and determined microbiological loads in tested products. This study explores the association of microbial loads with the physical and chemical characteristics of the cosmetic products, and points to the limits of preservative activity in cosmetics.
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Affiliation(s)
- G Periz
- Office of Cosmetics and Colors, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, USA
| | - J Misock
- Office of Cosmetics and Colors, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, USA
| | - M-C Jo Huang
- Office of Cosmetics and Colors, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, USA
| | - K Dewan
- Office of Cosmetics and Colors, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, USA
| | - N Sadrieh
- Office of Cosmetics and Colors, Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, USA
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Kerre S, Naessens T, Theunis M, Foubert K, Goossens A, Aerts O. Facial dermatitis caused by undeclared methylisothiazolinone in a gel mask: is the preservation of raw materials in cosmetics a cause of concern? Contact Dermatitis 2018; 78:421-424. [PMID: 29479709 DOI: 10.1111/cod.12963] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 12/16/2017] [Indexed: 11/28/2022]
Affiliation(s)
| | - Tania Naessens
- Natural Products and Food - Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp (UA), 2610 Antwerp, Belgium
| | - Mart Theunis
- Natural Products and Food - Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp (UA), 2610 Antwerp, Belgium
| | - Kenn Foubert
- Natural Products and Food - Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp (UA), 2610 Antwerp, Belgium
| | - An Goossens
- Department of Dermatology, University Hospitals KU Leuven, 3000 Leuven, Belgium
| | - Olivier Aerts
- Department of Dermatology, University Hospital Antwerp (UZA) and University of Antwerp (UA), 2650 Antwerp, Belgium
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Dao H, Lakhani P, Police A, Kallakunta V, Ajjarapu SS, Wu KW, Ponkshe P, Repka MA, Narasimha Murthy S. Microbial Stability of Pharmaceutical and Cosmetic Products. AAPS PharmSciTech 2018; 19:60-78. [PMID: 29019083 DOI: 10.1208/s12249-017-0875-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 09/05/2017] [Indexed: 12/24/2022] Open
Abstract
This review gives a brief overview about microbial contamination in pharmaceutical products. We discuss the distribution and potential sources of microorganisms in different areas, ranging from manufacturing sites, pharmacy stores, hospitals, to the post-market phase. We also discuss the factors that affect microbial contamination in popular dosage forms (e.g., tablets, sterile products, cosmetics). When these products are contaminated, the microorganisms can cause changes. The effects range from mild changes (e.g., discoloration, texture alteration) to severe effects (e.g., changes in activities, toxicity). The most common method for countering microbial contamination is the use of preservatives. We review some frequently used preservatives, and we describe the mechanisms by which microorganisms develop resistance to these preservatives. Finally, because preservatives are inherently toxic, we review the efforts of researchers to utilize water activity and other non-preservative approaches to combat microbial contamination.
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37
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Lukić M. Preservatives, colorants and UV filters in cosmetic products: Safety aspects. ARHIV ZA FARMACIJU 2018. [DOI: 10.5937/arhfarm1805934l] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Optimized Culture Conditions for the Detection of Selected Strains of Bacillus in Eye Creams. COSMETICS 2017. [DOI: 10.3390/cosmetics4040056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Yossa N, Arce G, Smiley J, Jo Huang MC, Yin L, Bell R, Tallent S, Brown E, Hammack T. Survival and detection ofBacillus cereusin the presence ofEscherichia coli,Salmonella enteritidis, Staphylococcus aureus, Pseudomonas aeruginosaandCandida albicansafter rechallenge in make-up removers. Int J Cosmet Sci 2017; 40:67-74. [DOI: 10.1111/ics.12434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/06/2017] [Indexed: 02/06/2023]
Affiliation(s)
- N. Yossa
- Oak Ridge Institute for Science and Education; Oak Ridge 1299 Bethel Valley Rd Oak Ridge TN 37830 USA
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - G. Arce
- Oak Ridge Institute for Science and Education; Oak Ridge 1299 Bethel Valley Rd Oak Ridge TN 37830 USA
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - J. Smiley
- Oak Ridge Institute for Science and Education; Oak Ridge 1299 Bethel Valley Rd Oak Ridge TN 37830 USA
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - M.-C. Jo Huang
- U.S. Food and Drug Administration; Office of Cosmetics and Colors; 5001 Campus Dr College Park MD 20740 USA
| | - L. Yin
- U.S. Food and Drug Administration; Office of Analytics and Outreach; 5001 Campus Dr College Park MD 20740 USA
| | - R. Bell
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - S. Tallent
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - E. Brown
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
| | - T. Hammack
- U.S. Food and Drug Administration; Office of Regulatory Science; 5001 Campus Dr College Park MD 20740 USA
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Ossowicz P, Janus E, Błaszak M, Zatoń K, Rozwadowski Z. Benzalkonium Salts of Amino Acids – Physicochemical Properties and Anti-Microbial Activity. TENSIDE SURFACT DET 2017. [DOI: 10.3139/113.110524] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
AbstractNew salts combining a benzalkonium cation and chiral amino acid anions were synthesized and characterized. The identification was performed by NMR spectroscopy. Properties such as temperature of phase transformation, specific rotation, thermal stability and surface activity and antimicrobial activity were determined and compared with that of benzalkonium chloride. Benzalkonium amino acids salts can be used as conditioners in cosmetics. It has been shown they have weak impact on symbiotic microorganisms which occupy a wide range of skin, and this confirms that they do not disturb the biological balance of human skin.
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Affiliation(s)
- Paula Ossowicz
- 1Institute of Organic Chemical Technology, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, ul. Pułaskiego 10, 70-322 Szczecin, Poland
| | - Ewa Janus
- 1Institute of Organic Chemical Technology, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, ul. Pułaskiego 10, 70-322 Szczecin, Poland
| | - Magdalena Błaszak
- 2Department of Chemistry, Microbiology and Environmental Biotechnology, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology in Szczecin, ul. Słowackiego 17, 71-434 Szczecin, Poland
| | - Kinga Zatoń
- 2Department of Chemistry, Microbiology and Environmental Biotechnology, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology in Szczecin, ul. Słowackiego 17, 71-434 Szczecin, Poland
| | - Zbigniew Rozwadowski
- 3Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology Szczecin, Al. Piastów 42, 70-065 Szczecin, Poland
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Garcia-Hidalgo E, Sottas V, von Goetz N, Hauri U, Bogdal C, Hungerbühler K. Occurrence and concentrations of isothiazolinones in detergents and cosmetics in Switzerland. Contact Dermatitis 2016; 76:96-106. [PMID: 27862003 DOI: 10.1111/cod.12700] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 08/30/2016] [Accepted: 09/01/2016] [Indexed: 01/21/2023]
Abstract
BACKGROUND In recent years, the frequency of contact allergy to isothiazolinones has increased alarmingly in Europe, but only limited data are available on concentrations of isothiazolinones in consumer products. OBJECTIVES To examine the current frequency of isothiazolinones [methylisothiazolinone (MI), methylchloroisothiazolinone (MCI), benzisothiazolinone (BIT), and octylisothiazolinone (OIT)] in a wide array of detergents and cosmetics relevant for the Swiss population. METHODS By means of a market survey, the occurrence of isothiazolinones was investigated in 1948 consumer products. Of these, 88 products were analysed by liquid chromatography-high-resolution mass spectrometry after ultrasonic extraction. RESULTS Only 7.6% of all cosmetics contained isothiazolinones, but the prevalence in detergents was much higher (42.9%). The measured concentration ranges in detergents were 4.3–10, 3.5–279, 3.8–186 and 7.9 ppm (one product only) for MCI, MI, BIT, and OIT, respectively [corrected]. For cosmetics, these were 1.3-133 and 4.8 ppm (one product only) for MI and MCI, respectively. CONCLUSIONS Our study has shown that high concentrations of isothiazolinones (including MI) can be found in a large variety of products, in particular in detergents. Therefore, the safe use of these preservatives should be re-evaluated by including detergents in the exposure assessment.
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Affiliation(s)
- Elena Garcia-Hidalgo
- Swiss Federal Institute of Technology (ETH) Zurich, Institute for Chemical and Bioengineering, 8093, Zürich, Switzerland
| | - Virginie Sottas
- Swiss Federal Institute of Technology (ETH) Zurich, Institute for Chemical and Bioengineering, 8093, Zürich, Switzerland
| | - Natalie von Goetz
- Swiss Federal Institute of Technology (ETH) Zurich, Institute for Chemical and Bioengineering, 8093, Zürich, Switzerland
| | - Urs Hauri
- State Laboratory Basel-City, 4012, Basel, Switzerland
| | - Christian Bogdal
- Swiss Federal Institute of Technology (ETH) Zurich, Institute for Chemical and Bioengineering, 8093, Zürich, Switzerland
| | - Konrad Hungerbühler
- Swiss Federal Institute of Technology (ETH) Zurich, Institute for Chemical and Bioengineering, 8093, Zürich, Switzerland
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