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Disserta??o Lara Raisa Cheles.pdf: 1045712 bytes, checksum: feec175794486c72d1aa9c07b185ee70 (MD5) / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / The use of plant extracts and phytochemicals with medicinal purpose is one of the oldest forms of medical applications of humanity, and currently, the use of herbal medicines has increased in population. Considering the popular use of Lippia origanoides in the treatment of respiratory and gastrointestinal diseases and antiseptic action of its essential oil, this study aimed to test, through of the Minimum Inhibitory Concentration and Minimum Microbicidal Concentration, the antimicrobial activity of the essential oils of L. origanoides resulting from plants after treatment with plant metabolism regulators: acetylsalicylic acid, jasmonic acid, 6-benzylaminopurine, gibberellic acid, Stimulate ? and distilled water (control), continuing earlier work by our group. The results for the antimicrobial activity of the studied species varied according to the treatment received, collection period and the microorganism tested. In general, the 12 essential oils tested showed activity against the seven test microorganisms used. Oils resulting from treatment with acetylsalicylic acid, jasmonic acid and gibberellic acid had significantly lower MIC values, highlighting their high efficacy; being evident that the time for collecting the samples interfered in these results. The oil resulting from the first collection of plants were in general more efficient than the third. There was significant difference between the MIC values for strains of C. albicans CCMB 266 and CCMB 286, the latter being more sensitive to the oils from both collection periods. / O uso de extratos vegetais e fitoqu?micos com finalidade medicinal ? uma das mais antigas formas de aplica??o medicinal da humanidade, e atualmente, a utiliza??o de medicamentos fitoter?picos tem aumentado na popula??o brasileira. Considerando a utiliza??o popular de Lippia origanoides no tratamento de doen?as respirat?rias e gastrointestinais e a a??o antiss?ptica de seu ?leo essencial, o presente trabalho teve como objetivo testar, por meio do Concentra??o Inibit?ria M?nima e Concentra??o Microbicida M?nima, a atividade antimicrobiana, dos ?leos essenciais de L. origanoides resultantes de plantas ap?s tratamentos com os reguladores do metabolismo vegetal: ?cido acetilsalic?lico, ?cido jasm?nico, 6-benzilaminopurina, ?cido giber?lico, Stimulate? e ?gua destilada (controle), dando continuidade a um trabalho anterior de nosso grupo. Os resultados relativos ao potencial antimicrobiano da esp?cie estudada variaram de acordo com o tratamento recebido, per?odo de coleta e o micro-organismo testados. Em geral, os 12 ?leos essenciais testados apresentaram atividade contra os sete micro-organismos teste utilizados. Os ?leos resultantes do tratamento com ?cido acetilsalic?lico, ?cido jasm?nico e ?cido giber?lico apresentaram valores de MIC consideravelmente baixos, evidenciando a alta efic?cia dos mesmos, sendo evidente que a ?poca de coleta das amostras interferiu nestes resultados. Os ?leos resultantes da primeira coleta de plantas foram, em geral, mais eficientes que os da terceira. Houve diferen?a significativa entre os valores de MIC para as cepas de C. albicans CCMB 266 e CCMB 286, sendo a ?ltima mais sens?vel aos ?leos de ambos os per?odos de coleta.
| Identifer | oai:union.ndltd.org:IBICT/oai:tede2.uefs.br:8080:tede/124 |
| Date | 06 May 2014 |
| Creators | Vieira, Lara Raisa Cheles |
| Contributors | Uetanabaro, Ana Paula Trovatti |
| Publisher | UNIVERSIDADE ESTADUAL DE FEIRA DE SANTANA, Mestrado Acad?mico em Biotecnologia, UEFS, Brasil, DEPARTAMENTO DE CI?NCIAS BIOL?GICAS |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UEFS, instname:Universidade Estadual de Feira de Santana, instacron:UEFS |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | 7701973706309601282, 600, 600, 600, 600, -6971480722008537872, -3439178843068202161, 2075167498588264571 |
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