TY - JOUR AU - Schuch, Luiz Filipe Damé AU - Wiest, José Maria AU - Garcia, Élen Nunes AU - Prestes, Luciana Souza AU - Schramm, Renata da Costa AU - Coimbra, Helen AU - Meireles, Mário Carlos de Araújo PY - 2018/03/30 Y2 - 2024/03/28 TI - Atividade antifúngica de extratos de plantas utilizados por agricultores familiares como antimicrobiano JF - Acta Scientiae Veterinariae JA - Acta Scientiae Vet. VL - 36 IS - 3 SE - Short Communication DO - 10.22456/1679-9216.17298 UR - https://seer.ufrgs.br/index.php/ActaScientiaeVeterinariae/article/view/17298 SP - 267-271 AB - <span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;"><font face="Times New Roman" size="2"><font face="Times New Roman" size="2"><p align="left">Plantas com atividades medicinais têm sido utilizados pelo homem ao longo de toda a sua História. Muitas delas são referidas para tratamento e controle de enfermidades infecciosas animais e humanas, inclusive em dermatites. Este trabalho busca avaliar a atividade antifúngica de plantas, utilizadas por agricultores do Rio Grande do Sul, como antimicrobianos. Extratos hidralcoólico (EHA) e decocto (DEC) de cinco plantas, identificadas como</p></font></font></span><font face="Times New Roman" size="2"><p align="left"> </p></font></span><p align="left"><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Baccharis </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">grupo </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">trimera</span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">, </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Bidens pilosa</span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">, </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Eucalyptus </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">spp</span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">.</span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">, </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Polygonum punctatum </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">e </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Tagetes minuta, </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">foram avaliados frente a seis amostras de três espécies de dermatófitos – </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Microsporum gypseum</span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">, </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Microsporum canis </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">e </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">Trichophyton mentagrophytes </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">–, sempre uma amostra de campo e uma padrão. O método utilizado foi o da diluição em meio líquido. Todos os EHAs apresentaram atividade antifúngica frente às seis amostras testadas, sendo </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">P.punctatum </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">e </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">T. minuta </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">os mais efetivos (p=0,0002). Entre os DECs, apenas </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">B. </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">grupo </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">trimera </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">e </span></span><em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">P. punctatum </span></span></em><span style="font-family: Times New Roman; font-size: x-small;"><span style="font-family: Times New Roman; font-size: x-small;">apresentaram atividade antifúngica. Esses resultados reafirmam a possibilidade de aplicação de extratos dessas plantas no tratamento e controle de dermatites, onde dermatófitos estejam envolvidos.</span></span></p> ER -