Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller)
Guava leaf tea of Psidium guajava Linnaeus is commonly used as a medicine against gastroenteritis and child diarrhea by those who cannot afford or do not have access to antibiotics. This study screened the antimicrobial effect of essential oils and methanol, hexane, ethyl acetate extracts from guava...
Published in: | Revista do Instituto de Medicina Tropical de São Paulo |
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ftdoajarticles:oai:doaj.org/article:6a02960d75b14e368c4f3fe9e3b47c53 2024-09-09T19:28:27+00:00 Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) Flávia A. Gonçalves Manoel Andrade Neto José N. S. Bezerra Andrew Macrae Oscarina Viana de Sousa Antonio A. Fonteles-Filho Regine H.S.F. Vieira 2008-02-01T00:00:00Z https://doi.org/10.1590/S0036-46652008000100003 https://doaj.org/article/6a02960d75b14e368c4f3fe9e3b47c53 EN eng Universidade de São Paulo (USP) http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652008000100003 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46652008000100003 0036-4665 1678-9946 https://doaj.org/article/6a02960d75b14e368c4f3fe9e3b47c53 Revista do Instituto de Medicina Tropical de São Paulo, Vol 50, Iss 1, Pp 11-15 (2008) Guava leaves Psidium guajava Linnaeus Methanol extract Antibacterial activity Essential oils Plant remedy Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 article 2008 ftdoajarticles https://doi.org/10.1590/S0036-46652008000100003 2024-08-05T17:49:30Z Guava leaf tea of Psidium guajava Linnaeus is commonly used as a medicine against gastroenteritis and child diarrhea by those who cannot afford or do not have access to antibiotics. This study screened the antimicrobial effect of essential oils and methanol, hexane, ethyl acetate extracts from guava leaves. The extracts were tested against diarrhea-causing bacteria: Staphylococcus aureus, Salmonella spp. and Escherichia coli. Strains that were screened included isolates from seabob shrimp, Xiphopenaeus kroyeri (Heller) and laboratory-type strains. Of the bacteria tested, Staphylococcus aureus strains were most inhibited by the extracts. The methanol extract showed greatest bacterial inhibition. No statistically significant differences were observed between the tested extract concentrations and their effect. The essential oil extract showed inhibitory activity against S. aureus and Salmonella spp. The strains isolated from the shrimp showed some resistance to commercially available antibiotics. These data support the use of guava leaf-made medicines in diarrhea cases where access to commercial antibiotics is restricted. In conclusion, guava leaf extracts and essential oil are very active against S. aureus, thus making up important potential sources of new antimicrobial compounds. O chá de folhas de goiaba Psidium guajava Linnaeus é comumente usado como remédio nas gastrenterites e diarréias infantis por aqueles que não têm acesso a antibióticos. Esta pesquisa estudou o efeito antibacteriano sobre bactérias causadoras de diarréias, do óleo essencial e do extrato de folhas de goiabeira usando como diluente: metanol, hexano e acetato de etila. Os extratos foram testados sobre Staphylococcus aureus, Salmonella spp. e Escherichia coli. As bactérias testadas foram isoladas de camarão sete-barbas Xiphopenaeus kroyeri (Heller) usando-se como controle cepas padrão, de cada espécie. Das bactérias testadas, o melhor efeito inibitório foi observado sobre Staphylococcus aureus. O extrato de metanol apresentou maior inibição ... Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Revista do Instituto de Medicina Tropical de São Paulo 50 1 11 15 |
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topic |
Guava leaves Psidium guajava Linnaeus Methanol extract Antibacterial activity Essential oils Plant remedy Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
spellingShingle |
Guava leaves Psidium guajava Linnaeus Methanol extract Antibacterial activity Essential oils Plant remedy Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Flávia A. Gonçalves Manoel Andrade Neto José N. S. Bezerra Andrew Macrae Oscarina Viana de Sousa Antonio A. Fonteles-Filho Regine H.S.F. Vieira Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
topic_facet |
Guava leaves Psidium guajava Linnaeus Methanol extract Antibacterial activity Essential oils Plant remedy Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 |
description |
Guava leaf tea of Psidium guajava Linnaeus is commonly used as a medicine against gastroenteritis and child diarrhea by those who cannot afford or do not have access to antibiotics. This study screened the antimicrobial effect of essential oils and methanol, hexane, ethyl acetate extracts from guava leaves. The extracts were tested against diarrhea-causing bacteria: Staphylococcus aureus, Salmonella spp. and Escherichia coli. Strains that were screened included isolates from seabob shrimp, Xiphopenaeus kroyeri (Heller) and laboratory-type strains. Of the bacteria tested, Staphylococcus aureus strains were most inhibited by the extracts. The methanol extract showed greatest bacterial inhibition. No statistically significant differences were observed between the tested extract concentrations and their effect. The essential oil extract showed inhibitory activity against S. aureus and Salmonella spp. The strains isolated from the shrimp showed some resistance to commercially available antibiotics. These data support the use of guava leaf-made medicines in diarrhea cases where access to commercial antibiotics is restricted. In conclusion, guava leaf extracts and essential oil are very active against S. aureus, thus making up important potential sources of new antimicrobial compounds. O chá de folhas de goiaba Psidium guajava Linnaeus é comumente usado como remédio nas gastrenterites e diarréias infantis por aqueles que não têm acesso a antibióticos. Esta pesquisa estudou o efeito antibacteriano sobre bactérias causadoras de diarréias, do óleo essencial e do extrato de folhas de goiabeira usando como diluente: metanol, hexano e acetato de etila. Os extratos foram testados sobre Staphylococcus aureus, Salmonella spp. e Escherichia coli. As bactérias testadas foram isoladas de camarão sete-barbas Xiphopenaeus kroyeri (Heller) usando-se como controle cepas padrão, de cada espécie. Das bactérias testadas, o melhor efeito inibitório foi observado sobre Staphylococcus aureus. O extrato de metanol apresentou maior inibição ... |
format |
Article in Journal/Newspaper |
author |
Flávia A. Gonçalves Manoel Andrade Neto José N. S. Bezerra Andrew Macrae Oscarina Viana de Sousa Antonio A. Fonteles-Filho Regine H.S.F. Vieira |
author_facet |
Flávia A. Gonçalves Manoel Andrade Neto José N. S. Bezerra Andrew Macrae Oscarina Viana de Sousa Antonio A. Fonteles-Filho Regine H.S.F. Vieira |
author_sort |
Flávia A. Gonçalves |
title |
Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
title_short |
Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
title_full |
Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
title_fullStr |
Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
title_full_unstemmed |
Antibacterial activity of GUAVA, Psidium guajava Linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from Seabob shrimp, Xiphopenaeus kroyeri (Heller) Avaliação da atividade antibacteriana de extrato de folhas de goiabeira, Psidium guajava Linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, Xiphopenaeus kroyeri (Heller) |
title_sort |
antibacterial activity of guava, psidium guajava linnaeus, leaf extracts on diarrhea-causing enteric bacteria isolated from seabob shrimp, xiphopenaeus kroyeri (heller) avaliação da atividade antibacteriana de extrato de folhas de goiabeira, psidium guajava linnaeus, sobre bactérias entéricas diarreiogênicas, isoladas de camarão sete-barbas, xiphopenaeus kroyeri (heller) |
publisher |
Universidade de São Paulo (USP) |
publishDate |
2008 |
url |
https://doi.org/10.1590/S0036-46652008000100003 https://doaj.org/article/6a02960d75b14e368c4f3fe9e3b47c53 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Revista do Instituto de Medicina Tropical de São Paulo, Vol 50, Iss 1, Pp 11-15 (2008) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652008000100003 https://doaj.org/toc/0036-4665 https://doaj.org/toc/1678-9946 doi:10.1590/S0036-46652008000100003 0036-4665 1678-9946 https://doaj.org/article/6a02960d75b14e368c4f3fe9e3b47c53 |
op_doi |
https://doi.org/10.1590/S0036-46652008000100003 |
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