In vivo Antimicrobial Activity Assessment of a Cauliflower By-Product Extract Against Salmonella Typhimurium

Ibañez-Peinado, Diana; Pina-Pérez, Consuelo; García-Carrión, Gema; Martínez, Antonio; Rodrigo, Dolores

doi:10.3389/fsufs.2020.00008

Cited by 8 publications

(10 citation statements)

References 34 publications

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“…The lifespan assay is an index used to evaluate the bioactive potential (antiaging effect) of different compounds ( Ayyadevara et al, 2013 ; Jattujan et al, 2018 ; Chen et al, 2020 ; Ibáñez-Peinado et al, 2020 ). The cumulative survival curves of the nematode population fed with the different substrates can be seen in Figure 1 .…”

Section: Resultsmentioning

confidence: 99%

“…Caenorhabditis elegans has been used very frequently as a model of pathogenesis, and in particular for infection by pathogenic microorganisms ( Balla and Troemel, 2013 ; Curt et al, 2014 ). In this sense, there are published studies in which the antimicrobial activity of a compound has been determined based on a higher survival of infected C. elegans when exposed to the antimicrobial compounds when compared with infected control nematodes (non-exposed to the antimicrobial compound) ( Sanz-Puig et al, 2017 ; Ibáñez-Peinado et al, 2020 ; Palacios-Gorba et al, 2020 ). In the present study, an independent set of experiments was specifically designed to study the Spirulina (treated and untreated by CP) antimicrobial activity against Salmonella enterica serovar Typhimurium when C. elegans worms were infected.…”

Section: Resultsmentioning

confidence: 99%

“…This animal model was also used by Wilson et al (2010) to evaluate the bioactivity of blueberry proanthocyanins and a collection of resveratrol analogs, concluding that these phytochemicals enhance longevity and stress resistance of C. elegans adult worms. More recently, Ibáñez-Peinado et al (2020) studied the effect of a cauliflower extract on nematode lifespan in a population fed on enriched media. Results indicated that the cauliflower extract had a protective effect on nematodes senescence.…”

Section: Discussionmentioning

confidence: 99%

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In vivo Assessment of Cold Atmospheric Pressure Plasma Technology on the Bioactivity of Spirulina

et al. 2022

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The present study challenges the in vivo assessment of cold atmospheric pressure plasma (CAPP) technology on the bioactive activity (antioxidant/antiaging and antimicrobial potential) of Spirulina powder, using Caenorhabditis elegans as an animal model. Surface microdischarge cold atmospheric pressure plasma (SMD-CAPP) treatment was 3.3 W discharge power for 7 min. C. elegans lifespan and egg laying were used as indicators of antioxidant/antiaging potential of Spirulina (1 mg/mL), when grown with Spirulina CP-treated [E_SCP] and untreated [E_S], compared with a control [E_0] (non-supplemented with Spirulina). According to our results, under both Spirulina supplemented media [E_SCP and E_S] and for the first 17 days, nematodes experienced an increase in lifespan but without significant differences (p > 0.05) between control and Spirulina CP-treated. Regarding the in vivo assay of the antimicrobial potential of Spirulina against Salmonella enterica serovar Typhimurium (infected worms), no significant differences (p > 0.05) were found between the three exposure scenarios (control [S_0]; Spirulina supplemented media [S_S]; CP-treated Spirulina supplemented media [S_SCP]). According to present results, CAPP-treatment do not influence negatively the lifespan of C. elegans but a reduction in the Spirulina antiaging potential was found. No in vivo modifications in antimicrobial activity seem to be linked to CAPP-processed Spirulina.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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In vivo Assessment of Cold Atmospheric Pressure Plasma Technology on the Bioactivity of Spirulina

et al. 2022

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“…Nature is a marvelous source of material for human throughout the history to cure their ailments and increase their fitness. Many studies revealed that plant extracts possess antibacterial potential [26,27]. Over the years, traditional healers have used water predominantly as solvent.…”

Section: Discussionmentioning

confidence: 99%

Protective Effect of Kickxia ramosissima (Wall.) Janchn Extracts Against Pathogenic Bacterial Strains and Free Radicals

et al. 2020

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Plants are the major source of a wide array of antimicrobials and antioxidants. Present study describes the biochemical exploration of the methanol and chloroform extracts of aerial parts of Kickxia ramosissima (Wall.) Janchn. Main objective of study was to verify the antimicrobial and antioxidant value of its extracts. The crude extracts were subjected to different biological activities to explore the traditional medicinal potential of this herb. Antibacterial and antifungal activities were determined by using agar well diffusion and tube dilution assays, respectively, while antioxidant activity was investigated by DPPH free radical scavenging assay, phosphomolybdate assay and reducing power assay. The results indicated that both the extracts of aerial parts showed varied degree of antimicrobial, antifungal and antioxidant activities. Overall, the methanol extract showed comparatively better activities in various assays. It revealed significantly higher activity against all the tested bacterial strains (Pseudomonas spp. > Staphylococcus aureus > Staphylococcus epidermidis > Klebsiella pneumoniae > Escherichia coli). A maximum fungicidal activity (54.8%) has shown by methanol extract against Aspergillus terreus. The highest radical scavenging activity by DPPH method was found in case of methanol extracts (49.8% and IC 50 228.53 µg ml −1 ) at 250 µg ml −1 . In phosphomolybdate method, the highest activity was shown by methanolic extract (0.459 nm) at same concentration. Similarly, the highest activity evaluated by reducing power assay was 0.521 nm at the highest concentration of 250 µg ml −1 . In conclusion, Kickxia ramosissima is a potential candidate for further studies to explore active compounds particularly responsible for antibacterial and antifungal and activities.

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“…In consequence, people are looking for new natural antimicrobials to help in controlling those pathogenic microorganisms. The control of those microorganisms can be carried out by using natural antimicrobials as chitosan to be used in different foodstuffs reducing in this way the annual cases of illnesses transmitted by foods [32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial effect of insect chitosan on Salmonella Typhimurium, Escherichia coli O157:H7 and Listeria monocytogenes survival

et al. 2020

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The antimicrobial capability of chitosan from Tenebrio molitor as compared with chitosan from crustacean (Penaeus monodon) on different pathogenic microorganisms of concern in food safety was studied. The antimicrobial effect was tested at pH 5 and pH 6.2 and at two different initial concentrations (103 or 106 CFU/mL). Results indicated that chitosan from both sources have antimicrobial activity, although the effect depended on the microorganism considered (Salmonella Typhimurium, Listeria monocytogenes and Escherichia coli O157:H7). Our results indicated that Salmonella was the most resistant bacteria, and that chitosan from insect was less active than chitosan from crustacean, especially against Salmonella. Another important factor on antimicrobial activity was the pH of the sample. When chitosan was added to a solution with a pH of 6.2 it was more active against Listeria and Escherichia coli, than at pH 5.00. Besides, the effect of chitosan appears to decrease with the incubation time, since some increases in counts were observed on E. coli and Salmonella after the 24 and 49 hours of incubation.

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In vivo Antimicrobial Activity Assessment of a Cauliflower By-Product Extract Against Salmonella Typhimurium

Cited by 8 publications

References 34 publications

In vivo Assessment of Cold Atmospheric Pressure Plasma Technology on the Bioactivity of Spirulina

In vivo Assessment of Cold Atmospheric Pressure Plasma Technology on the Bioactivity of Spirulina

Protective Effect of Kickxia ramosissima (Wall.) Janchn Extracts Against Pathogenic Bacterial Strains and Free Radicals

Antimicrobial effect of insect chitosan on Salmonella Typhimurium, Escherichia coli O157:H7 and Listeria monocytogenes survival

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