CoordenaÃÃo de AperfeiÃoamento de NÃvel Superior / Trinta e trÃs substÃncias foram detectadas em diferentes extratos das folhas, frutos, talos e cascas de Caraipa densifolia Mart. Os compostos fenÃlicos foram identificados preliminarmente e quatificados por CLAE-ESI-EM apÃs cromatografia em coluna Sephadex LH-20. Estruturas dos compostos, purificada por CLAE semi-preparativa, foram ainda caracterizados por nano-ESI-EM-EM. A presenÃa de Ãcido gÃlico, Ãcido 3,4-diidroxibenzÃico, Ãcido clorogÃnico, Ãcido neoclorogÃnico, galato de metila, Ãcido p-cumÃroil quinato, epicatequina, procainidina dÃmero B2, procianidina trÃmero C1, Ãcido sirÃgico, 1, 2, 3, 6 -tetragalato glicosÃdeo, 1, 3, 4, 6-tetragalato glicosÃdeo, corilagina, Ãcido elÃgico, Ãcido metil elÃgico raminosÃdeo, quercetina-3-O-raminosÃdeo, dois apigenina-C-glicosÃdeos (vitexina e isovitexina), mais trÃs apigenina, cucumerina A, cucumerina B e cucumerina C) e dois luteolina-C-glicosÃdeos (orientina e isoorientina) sÃo relatados nesta espÃcie, pela primeira vez. JÃ identificados anteriormente nesta espÃcie os seguintes terpenÃides: lupeol, lupenona, Ãcido betulÃnico, betulina, friedelina. Sendo inÃdito na espÃcie Caraipa, friedelinol, -sitosterol, estigmasterol, as vitaminas (-tocoferol e -tocoferol), identificados em extratos das folhas de Caraipa densifolia Mart. foram identificados e quatificados por CG-EM. As informaÃÃes obtidas nesse trabalho trazem contribuiÃÃes relevantes para o conhecimento das vÃrias formulaÃÃes geralmente utilizadas na medicina popular e indÃstrias farmacÃuticas, representando uma etapa importante para um estudo de um fitoterÃpico. O ensaio da capacidade antioxidante dos extratos FST, FSD e FSH revelou uma significativa atividade, obtendo assim, melhor atividade antioxidante o extrato FST com IC502,1mg/mL. Os extratos com melhor inibiÃÃo da enzima Acetilcolinesterase em concentraÃÃo de 2mg/mL, aplicados 2,5 μL. das foram FH, TSH, CSH, FSM e FM. O teste moluscicida com caramujo da Biomphalaria glabrata aplicado aos extratos FH e FM, resultou Ãndice de mortalidade 100% para FH em 24h e 60% e 80% para FM em 48h / Thirty three secondary plant substances were detected in various extracts of the leaves,fruits, stem and bark of Caraipa densifolia Mart. Phenolic compounds were preliminarily identified and quantitated by HPLC-ESI-MS after column chromatography on Sephadex LH-20. Structures of the compounds, purified by semi-preparative HPLC, were further characterized by nano-ESI-MS-MS. The presence of gallic acid, 3,4-dihydroxybenzoic acid, chlorogenic acid (plus an isomer), methyl gallate, p-coumaric acid quinate, epicatechin, procaynidin dimer B2, procyanidin trimer C1, syringic acid, 1, 2, 3, 6-tetragallate glucoside, 1, 3, 4, 6-tetragallate glucoside, corilagin, ellagic acid, methyl ellagic acid rhamnoside, quercetin-3-O-rhamnoside, two apigenin-C-glycosides (vitexin and isovitexin), three further apigenin,cucumerin A cucumerin B e cucumerin C, two luteolin-C-glycosides (orientin and isoorientin) are reported in this species for the first time. In addition, the previously reported following terpenoids, lupeol, lupenone, betulinic acid, betulin, friedelin and a previously non-characterized terpenoid in this species, friedelinol were identified and quantitated by GC-MS. A previously identified sterol was -sitosterol along with stigmasterol in this species for the first time. The vitamins -tocopherol and -tocopherol were also identified in extracts of the leaves of Caraipa species for the first time. Information obtained in this study provide significant contributions to the knowledge of the various formulations commonly used in folk medicine and pharmaceutical industry, representing an important step towards a study of a phytotherapic. The test of antioxidant capacity of extracts FST, FSD and FSH showed a significant activity, thereby obtaining better antioxidant extract FST with IC502, 1mg/mL. The extracts with the best inhibition of Acetylcholinesterase in concentration 2mg/mL applied 2.5 μL. were of FH, TSH, CSH, FSM and FM. The molluscicidal test with the snail Biomphalaria glabrata extracts applied to FH and FM resulted mortality rate 100% for FH in 24 and 60% and 80% for FM in 48 hours
| Identifer | oai:union.ndltd.org:IBICT/oai:www.teses.ufc.br:6533 |
| Date | 21 May 2010 |
| Creators | Cleoni Virginio da Silveira |
| Contributors | Maria Teresa Salles Trevisan, Robert Wyn Owen, NÃgila Maria Pontes Silva Ricardo |
| Publisher | Universidade Federal do CearÃ, Programa de PÃs-GraduaÃÃo em QuÃmica, UFC, BR |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFC, instname:Universidade Federal do Ceará, instacron:UFC |
| Rights | info:eu-repo/semantics/openAccess |
Page generated in 0.0017 seconds