Antibacterial activity of Citrus hystrix toward Salmonella spp. infection

Citrus hystrix is widely used by Indonesians as a traditional medicine for gastrointestinal diseases, including Salmonella spp. infection. We investigated the antibacterial activity of the ethanolic peel extract of C. hystrix against Salmonella typhimurium. The antibacterial activity was evaluated b...

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Published inEnfermedades infecciosas y microbiología clínica Vol. 39; no. 6; pp. 283 - 286
Main Authors Ulhaq, Zulvikar Syambani, Hendyatama, Tenta Hartian, Hameed, Faizanah, Santosaningsih, Dewi
Format Journal Article
LanguageEnglish
Published Elsevier España, S.L.U 01.06.2021
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Summary:Citrus hystrix is widely used by Indonesians as a traditional medicine for gastrointestinal diseases, including Salmonella spp. infection. We investigated the antibacterial activity of the ethanolic peel extract of C. hystrix against Salmonella typhimurium. The antibacterial activity was evaluated both in vitro and in vivo. The minimum inhibitory concentration (MIC) of the extract was determined at a concentration of 0.625% by agar dilution assay. Later, the in vivo antibacterial activity was examined by the administration of 16mg of the extract daily for three consecutive days in a mouse model infected with S. typhimurium. The bacterial loads of S. typhimurium in the ileum, liver, and spleen decreased after 24h of administration of the extract (p=0.00008, p=0.00084, and p=0.00003, respectively). The ethanolic peel extract of C. hystrix shows antibacterial activity against S. typhimurium, indicating the potential of C. hystrix as an effective treatment for Salmonella spp. infection. El Citrus hystrix es muy utilizado por los indonesios como medicina tradicional para las enfermedades gastrointestinales, incluida la infección por Salmonella spp. Investigamos la actividad antibacteriana del extracto etanólico de piel de C. hystrix frente a Salmonella typhimurium. La actividad antibacteriana se evaluó tanto in vitro como in vivo. La concentración mínima inhibitoria (CMI) del extracto se determinó a una concentración del 0,625% mediante un ensayo de dilución en agar. Posteriormente, se evaluó la actividad antibacteriana in vivo mediante la administración de 16mg de extracto de forma diaria durante 3 días consecutivos en un modelo murino infectado con S. typhimurium. La carga bacteriana de S. typhimurium en el íleo, el hígado y el bazo se redujo 24h después de la administración del extracto (p=0,00008, p=0,00084 y p=0,00003, respectivamente). El extracto etanólico de piel de C. hystrix muestra actividad antibacteriana frente a S. typhimurium, lo que indica el potencial de C. hystrix como tratamiento eficaz para la infección por Salmonella spp.
ISSN:0213-005X
DOI:10.1016/j.eimc.2020.05.016