Evaluation of the antimicrobial activity of chitosan and its quaternized derivative on E. coli and S. aureus growth

Goy, Rejane Celi; Morais, Sinara T.B.; Assis, O. B. G.

doi:10.1016/j.bjp.2015.09.010

Cited by 384 publications

(198 citation statements)

References 24 publications

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“…Table (2) demonstrated that the MIC values for S. aureus appeared to be lower than that measured for E. coli, as it was 0.0008% CS L , while the MIC values for E. coli was 0.001% CS L . The results of both bacteria are in complete agreement to several examples found in the literature such as Goy et al, (2016) as they studied the antibacterial activity and showed that the Chitosan is consistently more active against the Gram-positive S. aureus than Gram-negative E. coli. Also these results were in agreement to those reported by Fujikawa and Morozumi, (2006) who studied the MIC of S. aureus and E. coli.…”

Section: Rersults and Discussionsupporting

confidence: 90%

“…Also similar results observed by (Goy et al, 2016) they demonstrated the growth of E. coli and S. aureus, as measured by turbidity. Both bacteria grow in a similar way but with differences in turbidity.…”

Section: Rersults and Discussionsupporting

confidence: 84%

“…Gerasimenko, et al, (2004) studied the antimicrobial activity of Chitosan on S. aureus and found the same trend of results. Goy et al, (2016) indicated a higher antimicrobial activity of chitosan and his derivative (N, N, Ntrimethyl Chitosan (TMC)) against the Gram-positive specie S. aureus. For this microorganism, all tested concentrations of TMC resulted in an inhibition as close as 50% over the bacterial colonies relative to growth as measured in the control culture medium.…”

Section: Rersults and Discussionmentioning

confidence: 99%

See 2 more Smart Citations

The Antimicrobial Activity of Chitosan and Its Application on Kariesh Cheese Shelf Life

El-Dahma

Khattab

Gouda

et al. 2017

Alexandria Science Exchange Journal

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Section: Rersults and Discussionsupporting

confidence: 90%

Section: Rersults and Discussionsupporting

confidence: 84%

Section: Rersults and Discussionmentioning

confidence: 99%

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The Antimicrobial Activity of Chitosan and Its Application on Kariesh Cheese Shelf Life

El-Dahma

Khattab

Gouda

et al. 2017

Alexandria Science Exchange Journal

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“…Chitosan films with gelatin/glycerol showed some antimicrobial effect, but it did not show an inhibitory zone towards microorganisms. This is predictable as chitosan itself has the natural characteristic of antimicrobial activity (Goy et al, 2016). Chitosan, as a solid material, is unable to spread through the agar media, so chitosanactive sites only inhibited organisms that were in direct contact with it (Sanchez-Machado et al, 2015).…”

mentioning

confidence: 99%

Improving the Antimicrobial Activity of Bagasse Packaging Paper using Organophosphorus Dimers

El‐Sakhawy¹,

Awad²,

Madkour³

et al. 2016

IJTech

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The antimicrobial properties of bagasse paper sheets coated with natural polymers (chitosan, different ratios of (gelatin/glycerol) + chitosan, hemicellulose, hemicellulose + glycerol, hemicellulose+chitosan) or synthetic organophosphorus dimer compounds were evaluated in this work. Hemicelluloses showed moderate activity against Bacillus subtilis and Candida albicans, while chitosan showed weak activity against B. subtilis. The condition that offered the highest inhibitory activity of bagasse paper was the one coated with 1,3-diaryl-2,2,2,4,4,4-hexachlorocyclodiphosph(V)azane (where aryl is p-chloroaniline or p-anisidine). The developed bagasse papers were evaluated against Gram-positive bacteria, Gram-negative bacteria, yeasts, and fungi. The highest inhibitory activity was obtained at a concentration of 200 mg/mL for p-chloroaniline with an inhibition zone that varied for different microbes from 6.9 mm to 26 mm. The highest inhibitory activity was obtained at 300-250 mg/mL for panisidine against most of the pathogenic microorganisms with an inhibition zone that varied for different microbes from 8 mm to 14.75 mm. The observed antimicrobial and antifungal activity properties for bagasse paper coated with 1,3-diaryl 2,2,2,4,4,4-hexachlorocyclodiphosph(V)azane could be attributed to the presence of Cl, P atoms, and the lone pair of electrons on N atoms in the structure of the dimers.

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“…This can be explained by the reported more significant effect of CH against Gramnegative bacteria like E. coli (Cárdenas et al, 2008., Goy et al, 2016. The incorporation of microspheres (containing the active compound) into the CH films had a significant effect in the growth of both L. innocua and E. coli, as compared to non-coated samples (control) and sample coated with pure CH films.…”

Section: Antimicrobial Activitymentioning

confidence: 81%

Different strategies to obtain antimicrobial biodegradable films for food applications, using starch and/or chitosan with or without essential oils

Valencia-Sullca¹,

Encarnación²

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CONSIDERAN: que la memoria titulada "DIFFERENT STRATEGIES TO OBTAIN ANTIMICROBIAL BIODEGRADABLE FILMS FOR FOOD APPLICATIONS, USING STARCH AND/OR ACKNOWLEDGEMENTSPrimero y antes que nada, dar gracias a Dios, por estar conmigo en cada paso que doy, por fortalecer mi corazón e iluminar mi mente y por haber puesto en mi camino a aquellas personas que han sido mi soporte y compañía durante todo el periodo de estudio.Agradecer hoy y siempre a mis amados padres Elena y Ubaldo porque a pesar de no estar presentes físicamente, se que procuran mi bienestar desde mi país, Perú, y esta claro que, si no fuese por el esfuerzo realizado por ellos, mis estudios realizados no hubiesen sido posible. A mis hermanos Maritza, Joaquín, Iris, Ismael, y mis sobrinos, porque a pesar de la distancia, el ánimo, cariño, apoyo y alegría que me brindan me dan la fortaleza necesaria para seguir adelante. Mi padrino Gerardo y Lucia por su cariño, consejos y hospitalidad durante mi estadia en Barcelona, los aprecio mucho.Gracias al Gobierno del Perú, especificamente al Ministerio de Educación con el programa de Becas Pronabec, por la gran oportunidad de poder realizar mis estudios de doctorado en Valencia-España.Muchas gracias de corazón Dra Amparo Chiralt, Dra. Lorena Atarés y Dra. Maria Vargas por abrirme las puertas del grupo de investigación y darme su confianza y por permitirme aprender y trabajar a su lado. La experiencia y conocimiento de cada una de ustedes ha sido muy enriquecedor para mi formación academica. Les estare por siempre agradecida.Gracias al "Laboratoire d'Ingénierie et des Biomolécules" y en especial al Dr. Laura Sanchez Gonzalez y la Dra. Elmira Arab Tehrany de la Université de Lorraine.Ha sido una experiencia inolvidable haber podido compartir mi estancia con ustedes. Merci beaucoup!!!!!!!! Gracias Cristhian Rodriguez por tu apoyo, aliento y cariño incodicional durante estos años, siempre te estare agradecida y a toda tu linda familia en especial a tus padres Berta y Gilberto. Gracias por su cariño, animos y amistad, los llevo en mi corazón y en mis oraciones.A todos mis amigos muy cercanos que he sentido su compañía durante estos años. Gracias: Gina, Rosario, Jonathan, Nohemi, Cesár, Willy, Luz, Carmen, Paul, Sandrita, Danitza, Fernando, Jesus, Rosmery, Ronny, Mauricio, Nestor, Ines, etc, asimismo, algunos becarios de pronabec que ha sido un gusto conocerlos y compartir experiencias y conocimientos con ustedes, gracias por su amistad:Mirian, Estefany, Daysi, Galo, Elio, Edwin, Eva, Oscar..etc.Gracias Robert Valverde por tu apoyo, cariño y animos, asimismo, gracias a tu linda familia, ha sido una bendición conocerlos, mi estancia en Nancy-Francia ha sido y será la mejor experiencia que he tenido, nunca lo olvidare los llevo en mi corazón. Gracias totales. Asimismo, gracias Silvia, Madeleine, Vilma, Juanca, Nahuel, Viviana..ha sido un gusto conocerlos y compartir momentos lindos, gracias por su amistad y cariño..y al grupo latino de los miercolitos gracias por su linda amistad y momentos compartidos en Nancy, gracias: Mag...

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Evaluation of the antimicrobial activity of chitosan and its quaternized derivative on E. coli and S. aureus growth

Cited by 384 publications

References 24 publications

The Antimicrobial Activity of Chitosan and Its Application on Kariesh Cheese Shelf Life

The Antimicrobial Activity of Chitosan and Its Application on Kariesh Cheese Shelf Life

Improving the Antimicrobial Activity of Bagasse Packaging Paper using Organophosphorus Dimers

Different strategies to obtain antimicrobial biodegradable films for food applications, using starch and/or chitosan with or without essential oils

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