The synergistic antimicrobial effect of a simultaneous UV‐A light and propyl paraben (4‐hydroxybenzoic acid propyl ester) treatment and its application in washing spinach leaves

2019 ◽  
Vol 43 (1) ◽  
Author(s):  
Qiao Ding ◽  
Rohan V. Tikekar
Keyword(s):  
Antimicrobial Effect ◽  
Hydroxybenzoic Acid ◽  
Propyl Paraben ◽  
Propyl Ester ◽  
Spinach Leaves

scholarly journals Enterosin KP’nin Antibakteriyal Aktivitesi Üzerine Para-Hidroksi-Benzoik Asit ile Propil-Parabenin Sinerjit Etkisi

2014 ◽  
Vol 2 (1) ◽  
pp. 1 ◽  
Author(s):  
Zeliha Yıldırım ◽  
Yaselin İlk ◽  
Metin Yıldırım
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Salmonella Typhimurium ◽  
Inhibitory Activity ◽  
Hydroxybenzoic Acid ◽  
Escherichia Coli O157 ◽  
Food Preservatives ◽  
Food Preservative ◽  
E Coli ◽  
Propyl Paraben

In this study, the effects of food preservative p-hydroxybenzoic acid and propyl-paraben on the inhibitory activity of enterocin KP produced by Enterococcus faecalis KP were determined. Staphylococcus aureus, Escherichia coli O157:H7 and Salmonella Typhimurium, resistant to enterocin KP bacteriocin, were used as target organisms. The inhibitor activity of enterosin KP (1600 AU/ml) alone or in combination with p-hydroxybenzoic acid (%0.1-0.3) and propyl-paraben (%0.008-0.16) on the growth of Staphylococcus aureus, Escherichia coli O157:H7 and Salmonella Typhimurium were determined. The inhibitory activity of enterocin KP was increased when used in combination with p-hydroxybenzoic acid and propyl-paraben at concentrations of 0.1-0.3% and 0.008-0.016%, respectively. Furthermore, Staphylococcus aureus, E. coli O157:H7 and Salmonella Typhimurium became sensitive to enterocin KP. In conclusion, the use of enterocin KP in combination with other food preservatives principles resulted in an increase in its inhibitory activity and spectrum.

scholarly journals Application of grouping and read-across for the evaluation of parabens of different chain lengths with a particular focus on endocrine properties

2021 ◽  
Vol 95 (3) ◽  
pp. 853-881
Author(s):  
Susann Fayyaz ◽  
Reinhard Kreiling ◽  
Ursula G. Sauer
Keyword(s):  
Body Weight ◽  
In Vivo Studies ◽  
Repeated Dose ◽  
Hydroxybenzoic Acid ◽  
The European Union ◽  
Methyl Paraben ◽  
Propyl Paraben ◽  
Repeated Dose Toxicity ◽  
Endocrine Disrupting

AbstractThis article presents the outcomes of higher-tier repeated-dose toxicity studies and developmental and reproductive toxicity (DART) studies using Wistar rats requested for methyl paraben and propyl paraben under the European Union chemicals legislation. All studies revealed no-observed adverse effects (NOAELs) at 1000 mg/kg body weight/day. These findings (absence of effects) were then used to interpolate the hazard profile for ethyl paraben, further considering available data for butyl paraben. The underlying read-across hypothesis (all shorter-chained linear n-alkyl parabens are a ‘category’ based on very high structural similarity and are transformed to a common compound) was confirmed by similarity calculations and comparative in vivo toxicokinetics screening studies for methyl paraben, ethyl paraben, propyl paraben and butyl paraben. All four parabens were rapidly taken up systemically following oral gavage administration to rats, metabolised to p-hydroxybenzoic acid, and rapidly eliminated (parabens within one hour; p-hydroxybenzoic acid within 4–8 h). Accordingly, for ethyl paraben, the NOAELs for repeated-dose toxicity and DART were interpolated to be 1000 mg/kg body weight/day. Finally, all evidence was evaluated to address concerns expressed in the literature that parabens might be endocrine disruptors. This evaluation showed that the higher-tier studies do not provide any indication for any endocrine disrupting property. This is the first time that a comprehensive dataset from higher-tier in vivo studies following internationally agreed test protocols has become available for shorter-chained linear n-alkyl parabens. Consistently, the dataset shows that these parabens are devoid of repeated-dose toxicity and do not possess any DART or endocrine disrupting properties.

Antimicrobial effect of 4-hydroxybenzoic acid ester with glycerol

2015 ◽  
Vol 40 (4) ◽  
pp. 436-440 ◽  
Author(s):  
M. Kosová ◽  
I. Hrádková ◽  
V. Mátlová ◽  
D. Kadlec ◽  
J. Šmidrkal ◽  
...  
Keyword(s):  
Acid Ester ◽  
Antimicrobial Effect ◽  
Hydroxybenzoic Acid

Inhibition of Salmonella typhimurium and Staphylococcus aureus by Butylated Hydroxyanisole and the Propyl Ester of p-Hydroxybenzoic Acid

1980 ◽  
Vol 43 (3) ◽  
pp. 191-194 ◽  
Author(s):  
M. D. PIERSON ◽  
L. A. SMOOT ◽  
K. R. VANTASSELL
Keyword(s):  
Staphylococcus Aureus ◽  
Salmonella Typhimurium ◽  
Viable Cell ◽  
Butylated Hydroxyanisole ◽  
Hydroxybenzoic Acid ◽  
Cell Numbers ◽  
Propyl Ester ◽  
Initial Reduction ◽  
Apparent Decrease ◽  
And Staphylococcus Aureus

Inhibition of Salmonella typhimurium and Staphylococcus aureus in Trypticase Soy Broth by the propyl ester of p-hydroxybenzoic acid (propyl paraben, 0 to 500 ppm) and butylated hydroxyanisole (BHA, 0 to 400 ppm) alone and in combination was studied. A concentration of 200 ppm of BHA was bactericidal to S. aureus, while up to 400 ppm of BHA was only restrictive to the growth of S. typhimurium. A gradual decline in viable cell numbers of S. aureus was noted with addition of 500 ppm of propylparaben while an initial reduction of S. typhimurium and subsequent growth occurred at a level of 300 ppm of propylparaben. A combination of 50 ppm of BHA-propylparaben was needed to produce a gradual reduction in viable cells of S. aureus and 150 ppm of each additive caused S. typhimurium to exhibit an apparent decrease in cell numbers and then limited growth.

scholarly journals Calorimetric Analysis of Antimicrobial Effect of p-Hydroxybenzoic Acid Alkyl Esters.

1999 ◽  
Vol 4 (2) ◽  
pp. 67-73 ◽  
Author(s):  
FUMIHIRO OKADA ◽  
AKI KOBAYASHI ◽  
NOBUKI FUJIWARA ◽  
NAOKO ARIMOTO ◽  
KATSUTADA TAKAHASHI
Keyword(s):  
Antimicrobial Effect ◽  
Hydroxybenzoic Acid ◽  
Alkyl Esters ◽  
Calorimetric Analysis

Antimicrobial Effect of the Lingzhi or Reishi Medicinal Mushroom, Ganoderma lucidum (Higher Basidiomycetes) and Its Main Compounds

2014 ◽  
Vol 16 (1) ◽  
pp. 77-84 ◽  
Author(s):  
Mahdi Vazirian ◽  
Mohammad Ali Faramarzi ◽  
Seyed Esmaeil Sadat Ebrahimi ◽  
Hamid Reza Monsef Esfahani ◽  
Nasrin Samadi ◽  
...  
Keyword(s):  
Ganoderma Lucidum ◽  
Antimicrobial Effect ◽  
Medicinal Mushroom

THE ACTIVITY OF ESSENTIAL OILS OBTAINED FROM SPECIES AND INTERSPECIES HYBRIDS OF THE Mentha GENUS AGAINST SELECTED PLANT PATHOGENIC BACTERIA

2018 ◽  
Vol 17 (6) ◽  
pp. 167-174 ◽  
Author(s):  
Małgorzata Schollenberger ◽  
Tomasz M. Staniek ◽  
Elżbieta Paduch-Cichal ◽  
Beata Dasiewicz ◽  
Agnieszka Gadomska-Gajadhur ◽  
...  
Keyword(s):  
Essential Oils ◽  
Pseudomonas Syringae ◽  
Pathogenic Bacteria ◽  
Antimicrobial Effect ◽  
Mentha Piperita ◽  
Mentha Spicata ◽  
Plant Essential Oils ◽  
Plant Pathogenic Bacteria ◽  
Interspecies Hybrids

Plant essential oils of six aromatic herb species and interspecies hybrids of the family Lamiaceae – chocolate mint (Mentha piperita × ‘Chocolate’), pineapple mint (Mentha suaveolens ‘Variegata’), apple mint (Mentha × rotundifolia), spearmint (Mentha spicata), orange mint (Mentha × piperita ‘Granada’) and strawberry mint (Mentha × villosa ‘Strawberry’) – were investigated for antimicrobial effects against plant pathogenic bacteria: Agrobacterium tumefaciens, Pseudomonas syringae pv. syringae and Xanthomonas arboricola pv. corylina. The screening was carried out in vitro on agar plates filled with the target organism. All essential oils screened exhibited a higher level of antibacterial activity against A. tumefaciens and X. arboricola pv. corylina than streptomycin used as a standard in all tests. The antimicrobial effect of streptomycin and five mint oils was at the same level for P. syringae pv. syringae. There were no significant differences in the influence of the chocolate mint oil on the growth inhibition of all bacteria tested. Plant essential oils from pineapple mint, apple mint, spearmint and strawberry mint showed the weakest antimicrobial activity against P. syringae pv. syringae and the strongest towards A. tumefaciens and X. arboricola pv. corylina. The essential oils from strawberry mint, pineapple mint, spearmint and apple mint had the strongest effect on A. tumefaciens, and the lowest inhibitory activity was exhibited by the chocolate mint and orange mint essential oils. X. arboricola pv. corylina was the most sensitive to the strawberry mint, pineapple mint and spearmint oils. The chocolate mint oil showed the greatest activity against P. syringae pv. syringae.

Evaluation of antimicrobial potential of some spices from apiaceae sold in herbal shops

2019 ◽  
Author(s):  
Alev ONDER ◽  
Suna Sibel GURPINAR, Mujde ERYILMAZ ◽  
Bayram Kagan AKAY, Ahsen Sevde CINAR
Keyword(s):  
Antimicrobial Activity ◽  
Daucus Carota ◽  
Antimicrobial Effect ◽  
Coriandrum Sativum ◽  
Apium Graveolens ◽  
Dilution Method ◽  
Anethum Graveolens ◽  
Foeniculum Vulgare ◽  
Pimpinella Anisum ◽  
Hexane Extracts

Spices are a part of the plants used for many purposes as preservatives and as colorants in foods or as medicinal intention. Main aim of the present research was to estimate the potential antimicrobial activity of some spices from Apiaceae family such as Amni visnaga (Diş otu, Hıltan), Anethum graveolens (Dereotu), Apium graveolens (Kereviz), Coriandrum sativum (Kişniş), Cuminum cyminum (Kimyon), Daucus carota (Havuç), Foeniculum vulgare (Rezene), Petroselinum sativum (Maydanoz), Pimpinella anisum (Anason). Thus, the fruits of the plants are used in the experiments. The fruits have been extracted by n-hexane, and all extracts have been subjected to TLC (Thin Layer Chromatography). The n-hexane extracts were screened for their potential in vitro antibacterial activity against Staphylococcus aureus ATCC 29213, Enterococcus faecalis ATCC 29212, Escherichia coli ATCC 25922, Klebsiella pneumoniae ATCC 13883, Pseudomonas aeruginosa ATCC 27853 and antifungal activity against Candida albicans ATCC 10231 by microbroth dilution method. The hexane extracts of the fruits of Coriandrum sativum, Anethum graveolens, Daucus carota, and Pimpinella anisum did not show antimicrobial activity against tested microorganisms. Except these, the other extracts having MIC values of 2.5-5-10 mg/mL exhibited antimicrobial effect against some tested microorganisms. These results demonstrate that the extracts which have an antimicrobial effect can probably play a role as an antimicrobial agent owing to their nonpolar components which are accumulated to the n-hexane extracts.

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