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Efecto del cรกรฑamo sobre la supervivencia de ๐˜Œ๐˜ด๐˜ค๐˜ฉ๐˜ฆ๐˜ณ๐˜ช๐˜ค๐˜ฉ๐˜ช๐˜ข ๐˜ค๐˜ฐ๐˜ญ๐˜ช O157:H7, ๐˜“๐˜ช๐˜ด๐˜ต๐˜ฆ๐˜ณ๐˜ช๐˜ข ๐˜ฎ๐˜ฐ๐˜ฏ๐˜ฐ๐˜ค๐˜บ๐˜ต๐˜ฐ๐˜จ๐˜ฆ๐˜ฏ๐˜ฆ๐˜ด y ๐˜š๐˜ข๐˜ญ๐˜ฎ๐˜ฐ๐˜ฏ๐˜ฆ๐˜ญ๐˜ญ๐˜ข ๐˜ด๐˜ฑ๐˜ฑ.

Antongiorgi Peluzzo, Alondra
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Abstract
This study investigates the antimicrobial potential of cannabidiol (CBD) derived from hemp (Cannabis sativa) against three foodborne pathogens: Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella spp. With the increasing demand for natural preservatives in the food industry, this research explores CBD as an alternative to traditional chemical preservatives, addressing concerns over food safety and the adverse effects of synthetic additives. A randomized block design was employed, where bacterial strains were subjected to various CBD concentrations in ethanol (100 ppm, 250 ppm, 350 ppm, and 400 ppm). The effectiveness of CBD was measured by the inhibition zones formed around treated bacteria on tryptic soy agar (TSA) plates, with both positive controls (bacteria treated with ethanol alone) and negative controls (untreated bacteria). The findings demonstrated significant antimicrobial activity, with inhibition zones exceeding 1 cm in diameter, especially against Escherichia coli and Salmonella spp., where optimal inhibitory effects were observed at 250 ppm and 100 ppm respectively. Listeria monocytogenes, however, showed consistent inhibition across all CBD concentrations, indicating relative resistance compared to the other pathogens. This study underscores the potential of CBD as an effective natural antimicrobial agent, particularly against gram-negative bacteria, suggesting its incorporation into food preservation strategies to enhance food safety while meeting consumer preferences for natural ingredients. Further research is recommended to explore CBD's application in different food matrices and its interaction with other preservation methods.
Este estudio investiga el potencial antimicrobiano del cannabidiol (CBD) derivado del cรกรฑamo (Cannabis sativa) contra tres patรณgenos alimentarios: Escherichia coli O157:H7, Listeria monocytogenes y Salmonella spp. Ante la creciente demanda de conservantes naturales en la industria alimentaria, esta investigaciรณn explora el CBD como una alternativa a los conservantes quรญmicos tradicionales, abordando preocupaciones sobre la seguridad alimentaria y los efectos adversos de los aditivos sintรฉticos. Se empleรณ un diseรฑo de bloques aleatorizados, en el que se sometieron cepas bacterianas a diversas concentraciones de CBD en etanol (100 ppm, 250 ppm, 350 ppm y 400 ppm). La efectividad del CBD se midiรณ por las zonas de inhibiciรณn formadas alrededor de las bacterias tratadas en placas de agar de soya trรญptico (TSA), con controles positivos (bacterias tratadas solo con etanol) y controles negativos (bacterias no tratadas). Los hallazgos demostraron una actividad antimicrobiana significativa, con zonas de inhibiciรณn que superaron 1 cm de diรกmetro, especialmente contra Escherichia coli y Salmonella spp., donde se observaron efectos inhibitorios รณptimos a 250 ppm y 100 ppm respectivamente. Listeria monocytogenes, sin embargo, mostrรณ una inhibiciรณn consistente en todas las concentraciones de CBD, lo que indica una resistencia relativa en comparaciรณn con los otros patรณgenos. Este estudio subraya el potencial del CBD como un agente antimicrobiano natural efectivo, particularmente contra bacterias gramnegativas, sugiriendo su incorporaciรณn en estrategias de conservaciรณn de alimentos para mejorar la seguridad alimentaria mientras se satisfacen las preferencias de los consumidores por ingredientes naturales. Se recomienda realizar mรกs investigaciones para explorar la aplicaciรณn del CBD en diferentes matrices alimentarias y su interacciรณn con otros mรฉtodos de preservaciรณn.
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Date
2025-05-15
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Keywords
Cannabidoil, Cannabis, Foodborne pathogens, Ethanol, Antimicrobial
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