Use of acetic and citric acids to control Salmonella Typhimurium in tahini (sesame paste)

Al‐Nabulsi, Anas A.; Olaimat, Amin N.; Osaili, Tareq M.; Shaker, Reyad R.; Elabedeen, Noor Zein; Jaradat, Ziad W.; Abushelaibi, Aisha; Holley, Richard A.

doi:10.1016/j.fm.2014.02.020

Cited by 46 publications

(22 citation statements)

References 24 publications

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“…Tartaric acid, as well as acetic acid, had a mean action with a MIC of 0.312% for the three levels of inocula tested. These results were in agreement with the results obtained in a research work entitled the use of acetic acid and citric acid to control of Salmonella typhimurium in tahini [ 22 ]. This can be explained by the pH-acid inhibitor of Salmonella , produced by these organic acids as demonstrated in pH results obtained from the acids solutions and their neutralization ( Figure 1 ).…”

Section: Discussionsupporting

confidence: 92%

Evaluation of Antimicrobial Activity of Four Organic Acids Used in Chicks Feed to ControlSalmonella typhimurium: Suggestion of Amendment in the Search Standard

Baaboua

Maadoudi²,

Bouyahya

et al. 2018

International Journal of Microbiology

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Today, the general public has become increasingly aware of salmonellosis problems. Organic acids are known by their antimicrobial potential and commonly used for improving the quality of poultry feed. In this context, the present work evaluated the inhibitory effect of four organic acids, namely, acetic acid, citric acid, lactic acid, and tartaric acid, at different levels of contamination by Salmonella typhimurium. The neutralization of these organic acids in vitro and in the presence of one-day-old chick's organs was also investigated during the search for Salmonella serovars in birds as described in the Moroccan standard “NM 08.0.550.” The effect of four organic acids on Salmonella typhimurium was tested in vitro and in the presence of chick's organs at different concentrations set of strain and organic acids tested. The MIC results demonstrated that tartaric acid, citric acid, and acetic acid inhibited Salmonella typhimurium at concentrations of 0.312%, 0.625%, and 0.512% for the three levels of strain: 10, 100, and 103 CFU/ml, respectively, while lactic acid and depending on the amount of the strain introduced acts differently: 0.078% for 10 CFU/ml and 0.156% for 100 and 103 CFU/ml. The concentration of 0.04M of Na2HPO4 solution has proved, in vitro, in caecums and organs of chicks (in presence of organic acids) that strain introduced, even at low concentrations, can be recovered. The use of additives has beneficial effects in Salmonella control program. However, the present results recommend the amendment of Salmonella research standard, taking into account the probable presence of organic acids in digestive content of one-day-old chicks.

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Section: Discussionsupporting

confidence: 92%

Evaluation of Antimicrobial Activity of Four Organic Acids Used in Chicks Feed to ControlSalmonella typhimurium: Suggestion of Amendment in the Search Standard

Baaboua

Maadoudi²,

Bouyahya

et al. 2018

International Journal of Microbiology

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“…This can be used in agriculture in the control of larvae and the eggs of the wax moths, since it destroys the wax combs [59,60]. Other studies suggest useful effects against pathogens in a variety of food products such as moutable (eggplant dip) [61,62], salads [63,64], hummus [65], and tahini [66,67]. Other essential components such as eicosane, palmitic acid, and oleic acid found in this study in both species have also been reported in studies of jatropha.…”

Section: Discussionsupporting

confidence: 76%

Physicochemical Analysis and Essential Oils Extraction of the Gorse (Ulex europaeus) and French Broom (Genista monspessulana), Two Highly Invasive Species in the Colombian Andes

2019

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Gorse (Ulex europaeus) and French broom (Genista monspessulana) are two highly invasive species that have become a threat to tropical countries, especially in Andean ecosystems. This research focused on providing a physicochemical characterization and essential oils extraction of both species to better understand their potential valorization and guide further environmental management efforts. For this purpose, the following analyses were conducted for both species: higher heat value (HHV), elemental analysis, proximate analysis, thermogravimetric analysis to obtain constituent natural polymers (hemicellulose, cellulose, and lignin), and extraction of essential oils and other interest chemical compounds through supercritical fluids. Ecological closeness was found between the two species mostly regarding HHV, fixed carbon, and volatile matter, which calls for similar potential uses. Both species were also found to be suitable for combustion processes, gasification, extraction of chemical compounds, and use of lignocellulosic content; however, only U. europaeus appeared suitable for activated carbon obtention. Therefore, this work provided relevant data that can be used as preliminary basis to establish strong scientifically-based management and control strategies for these two invasive species. We recommend focusing primarily on thermal processes such as pyrolysis, gasification, or combustion, and also essential oils extractions of acetic acid, dodecanoic acid, anagyrine, amylene hydrate, caulophylline, and maltol in the future.

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“…Certain species of FLAB seem to dominate the fermentation, especially of tempoyak and cocoa beans (49,52), suggesting their relevance in the fermentation process. FLAB produce large amounts of acetate together with lactate (7), and acetate is well known to possess strong antibacterial activities against several foodborne pathogens and food spoilage bacteria (75)(76)(77). Thus, FLAB may contribute to biopreservation in spontaneous food fermentation.…”

Section: Practical Importance and Future Applicationsmentioning

confidence: 99%

Fructophilic Lactic Acid Bacteria, a Unique Group of Fructose-Fermenting Microbes

Endo

Maeno

Tanizawa

et al. 2018

Appl Environ Microbiol

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Fructophilic lactic acid bacteria (FLAB) are a recently discovered group, consisting of a few and species. Because of their unique characteristics, including poor growth on glucose and preference of oxygen, they are regarded as "unconventional" lactic acid bacteria (LAB). Their unusual growth characteristics are due to an incomplete gene encoding a bifunctional alcohol/acetaldehyde dehydrogenase (). This results in the imbalance of NAD/NADH and the requirement of additional electron acceptors to metabolize glucose. Oxygen, fructose, and pyruvate are used as electron acceptors. FLAB have significantly fewer genes for carbohydrate metabolism than other LAB, especially due to the lack of complete phosphotransferase system (PTS) transporters. They have been isolated from fructose-rich environments, including flowers, fruits, fermented fruits, and the guts of insects that feed on plants rich in fructose, and are separated into two groups on the basis of their habitats. One group is associated with flowers, grapes, wines, and insects, and the second group is associated with ripe fruits and fruit fermentations. Species associated with insects may play a role in the health of their host and are regarded as suitable vectors for paratransgenesis in honey bees. Besides their impact on insect health, FLAB may be promising candidates for the promotion of human health. Further studies are required to explore their beneficial properties in animals and humans and their applications in the food industry.

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Use of acetic and citric acids to control Salmonella Typhimurium in tahini (sesame paste)

Cited by 46 publications

References 24 publications

Evaluation of Antimicrobial Activity of Four Organic Acids Used in Chicks Feed to ControlSalmonella typhimurium: Suggestion of Amendment in the Search Standard

Evaluation of Antimicrobial Activity of Four Organic Acids Used in Chicks Feed to ControlSalmonella typhimurium: Suggestion of Amendment in the Search Standard

Physicochemical Analysis and Essential Oils Extraction of the Gorse (Ulex europaeus) and French Broom (Genista monspessulana), Two Highly Invasive Species in the Colombian Andes

Fructophilic Lactic Acid Bacteria, a Unique Group of Fructose-Fermenting Microbes

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