Modeling dependence of growth inhibition of Salmonella Typhimurium and Listeria monocytogenes by oregano or thyme essential oils on the chemical composition of minced pork

2020 ◽  
Vol 40 (5) ◽  
Author(s):  
Radka Hulankova ◽  
Gabriela Borilova
Keyword(s):  
Listeria Monocytogenes ◽  
Chemical Composition ◽  
Growth Inhibition ◽  
Essential Oils ◽  
Salmonella Typhimurium

Antimicrobial Effect of Thai Spices against Listeria monocytogenes and Salmonella Typhimurium DT104

2005 ◽  
Vol 68 (10) ◽  
pp. 2054-2058 ◽  
Author(s):  
CHITSIRI THONGSON ◽  
P. MICHAEL DAVIDSON ◽  
WARAPA MAHAKARNCHANAKUL ◽  
PREEYA VIBULSRESTH
Keyword(s):  
Antimicrobial Activity ◽  
Listeria Monocytogenes ◽  
Essential Oils ◽  
Salmonella Typhimurium ◽  
Pathogenic Bacteria ◽  
Apple Juice ◽  
Food System ◽  
Dilution Assay ◽  
Agar Dilution ◽  
Over Time

The objective of this study was to determine the potential antimicrobial activity of extracts and essential oils of spices from Thailand against foodborne pathogenic bacteria. The antimicrobial efficacy of ginger (Zingiber officinale), fingerroot (Boesenbergia pandurata), and turmeric (Curcuma longa) was evaluated against five strains of Listeria monocytogenes and four strains of Salmonella enterica ssp. enterica serovar Typhimurium DT104. Antimicrobial activity was investigated in microbiological media by using an agar dilution assay and enumeration over time and a model food system, apple juice, by monitoring growth over time. In the agar dilution assay, water extracts of the three spices had no effect on L. monocytogenes. Similarly, 50% ethanol extracts of ginger or turmeric had no effect. In contrast, ethanolic fingerroot extracts at 5 to 10% (vol/vol) inhibited most L. monocytogenes strains for 24 h in the agar dilution assay. Commercial essential oils (EO) of ginger or turmeric inhibited all L. monocytogenes at ≤0.6 or ≤10%, respectively. Fingerroot EO inhibited all strains at ≤0.4%. In the enumeration-over-time assay, a 5% fingerroot ethanol extract reduced ca. 4 log CFU/ml Listeria by around 2 log in 24 h while 10% inactivated the microorganism in 9 h. Fingerroot EO at 0.2% inactivated 4 log CFU/ml L. monocytogenes in 6 to 9 h. Neither extracts nor commercial EO had any effect on Salmonella Typhimurium DT 104 with the exception of fingerroot EO, which inhibited all strains at ≤0.7%. Addition of 0.2% fingerroot EO to apple juice reduced 4 log of L. monocytogenes Scott A and both strains of Salmonella Typhimurium to an undetectable level within 1 to 2 days. It was concluded that fingerroot EO and extract have potential for inhibiting pathogens in food systems.

scholarly journals Salmonella typhimurium and Listeria monocytogenes Growth Inhibition by Zataria multiflora Essential Oil in Ground Meat

2017 ◽  
Vol 2 (4) ◽  
pp. 261-269 ◽  
Author(s):  
Mojtaba Raeisi ◽  
Mohammad Hashemi ◽  
Ali Reza Sadeghi ◽  
Majid Aminzare ◽  
Mahdi Khodadadi ◽  
...  
Keyword(s):  
Listeria Monocytogenes ◽  
Essential Oil ◽  
Growth Inhibition ◽  
Salmonella Typhimurium ◽  
Ground Meat ◽  
Zataria Multiflora

scholarly journals Chemical composition and antifungal activities of Ziziphora tenuir and Z. clinopodioides essential oils against dermatophytes

2018 ◽  
Vol 64 (2) ◽  
pp. 37-45 ◽  
Author(s):  
Mohaddese Mahboubi ◽  
Rezvan Heidary Tabar ◽  
sElaheh Mahdizadeh
Keyword(s):  
Clinical Trials ◽  
Chemical Composition ◽  
Essential Oil ◽  
Growth Inhibition ◽  
Essential Oils ◽  
Antifungal Agent ◽  
Mycelium Growth ◽  
Pancreatic Elastase ◽  
Antifungal Effects ◽  
Porcine Pancreatic Elastase

Summary Introduction: Ziziphora species are traditionally used for treatment of different infectious and non-infectious diseases as antiseptic agents. Objective: The aim of this study was to evaluate the chemical composition of Ziziphora clinopodioides and Z. tenuir essential oils and their antifungal effects againt five strains of dermatophytes. Methods: GC and GC-MS methods were used for essentional oils analize. The anti-elastase activities were determined by porcine pancreatic elastase assays. Results: 48 different compounds were identified in these two essential oils, which thymol, p-cymene, 1,8-cineole and γ-terpinene were their major components. The anti-dermatophyte activities of essential oils against dermatophytes showed that the essential oils (150 ppm) inhibited the mycelium growth, about 5–100%, which Z. clinopodioides essential oil had higher mycelium growth inhibition (28–100%) than that of Z. tenuir oil. The MIC and MFC values of essential oils were 0.01–1 µl/ml. 0.5 µl/ml essential oils inhibited porcine pancreatic elastase, dose-dependently. Conclusions: Due to the anti-dermatophyte and anti-elastase effects of Ziziphora sp., it can be considered as natural antifungal agent for more clinical and pre-clinical trials.

Antimicrobial Effects of Alginate-Based Films Containing Essential Oils on Listeria monocytogenes and Salmonella Typhimurium Present in Bologna and Ham

2007 ◽  
Vol 70 (4) ◽  
pp. 901-908 ◽  
Author(s):  
MOUNIA OUSSALAH ◽  
STÉPHANE CAILLET ◽  
STÉPHANE SALMIÉRI ◽  
LINDA SAUCIER ◽  
MONIQUE LACROIX
Keyword(s):  
Listeria Monocytogenes ◽  
Essential Oils ◽  
Salmonella Typhimurium ◽  
Edible Films ◽  
Active Compounds ◽  
Sensitive Bacterium ◽  
Type C ◽  
And Migration ◽  
Cacl2 Solution ◽  
Satureja Montana

Bologna and ham slices (300 of each) were inoculated with Salmonella Typhimurium or Listeria monocytogenes at 103 CFU/cm2. Alginate-based edible films that had been immersed in a 2 or 20% (wt/vol) CaCl2 solution and contained 1% (wt/vol) essential oils of Spanish oregano (O; Corydothymus capitatus), Chinese cinnamon (C; Cinnamomum cassia), or winter savory (S; Satureja montana) were then applied to slices to control pathogen growth. On bologna, C-based films pretreated with 20% CaCl2 were the most effective against the growth of Salmonella Typhimurium and L. monocytogenes. L. monocytogenes was the more sensitive bacterium to O-, C-, and S-based films. L. monocytogenes concentrations were below the detection level (<10 CFU/ml) after 5 days of storage on bologna coated with O-, C-, or S-based films pretreated with 20% CaCl2. On ham, a 1.85 log CFU/cm2 reduction of Salmonella Typhimurium (P ≤ 0.05) was found after 5 days of storage with C-based films regardless of the type of pretreatment used (2 or 20% CaCl2) or when coated with O-based films pretreated with 20% CaCl2. L. monocytogenes was highly resistant in ham, even in the presence of O-, C-, or S-based films. However, C-based films pretreated with 20% CaCl2 were the most effective against the growth of L. monocytogenes. Evaluation of the availability of active compounds in films revealed a significantly higher release of active compounds in C-based films (P ≤ 0.05) regardless of pretreatment or meat tested (bologna or ham). O-based films had the lowest release level of active compounds. The release of active compounds from O- and S-based films pretreated with 20% CaCl2 was faster than that in the same respective films pretreated with 2% CaCl2 regardless of the meat type. C-based film pretreated by immersion in a 20% CaCl2 solution was most efficient against both pathogens, and migration of active compounds was higher in C-based films than in O- and S-based films.

Antimicrobial activity of leaf and bark cinnamon essential oils against Listeria monocytogenes and Salmonella typhimurium in broth system and on celery

2019 ◽  
Vol 43 (3) ◽  
pp. e13888 ◽  
Author(s):  
Wafaa I. Brnawi ◽  
Navam S. Hettiarachchy ◽  
Ronny Horax ◽  
Geetha Kumar‐Phillips ◽  
Steven Ricke
Keyword(s):  
Antimicrobial Activity ◽  
Listeria Monocytogenes ◽  
Essential Oils ◽  
Salmonella Typhimurium

Study of Chemical Composition, Growth Inhibition and Antigerminative Effect of Three Essential Oils from Cameroon on FourBacillusstrains

2014 ◽  
Vol 17 (6) ◽  
pp. 1335-1342
Author(s):  
Maximilienne A. Nyegue ◽  
Florentine Ndoye-Foe ◽  
Francois-Xavier Etoa ◽  
Paul-Henri Amvam Zollo et ◽  
Chantal Menut
Keyword(s):  
Chemical Composition ◽  
Growth Inhibition ◽  
Essential Oils

Chemical composition and antimicrobial activity of the essential oils of flowers, leaves and stems of Cotinus coggygria

Planta Medica ◽  
2008 ◽  
Vol 74 (09) ◽  
Author(s):  
T Milošević ◽  
N Nićiforović ◽  
V Mihailović ◽  
S Solujić ◽  
N Vuković
Keyword(s):  
Antimicrobial Activity ◽  
Chemical Composition ◽  
Essential Oils ◽  
Cotinus Coggygria
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