2008
DOI: 10.1590/s0100-40422008000600038
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químicos das folhas de Qualea grandiflora: atribuição dos dados de RMN de dois flavonóides glicosilados acilados diastereoisoméricos

Abstract: and oleanolic acids. The structures of the compounds were identified by 1D-and 2D-NMR experiments, mass and UV spectrometry and comparison with literature data.Keywords: Qualea grandiflora; Vochysiaceae; acylated kaempferol glycosids. INTRODUÇÃOQualea grandiflora Mart. (Vochysiaceae) é uma planta de ocorrência em mata de galeria, cerrado e cerradão, considerada símbolo dos cerrados.1 É conhecida popularmente como pau-terra, pau-terra-do-campo, pau-terra-do-cerrado, pau-terra-da-folha-larga, ariavá, entre outro… Show more

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Cited by 17 publications
(19 citation statements)
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“…(E)-phytol was evidenced in the 1 H NMR spectrum by signals at δ 4.16 (dd, J = 0.5 and 7.0 Hz) assigned to the hydrogens oximethilenics and allylics, and δ 5.42 (tq, J = 7.0 and 1.5 Hz), referring to the olefinic hydrogen. The presence of (E)-phytol was confirmed by observation in the 13 C NMR spectrum of the signals in δ 59.1 (CH 2 O), 123.4 and 140.5 (olefinic CH and C) and by comparison with literature data (Rahman & Ahmad, 1992;Ayres et al, 2008).…”
Section: Resultsmentioning
confidence: 54%
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“…(E)-phytol was evidenced in the 1 H NMR spectrum by signals at δ 4.16 (dd, J = 0.5 and 7.0 Hz) assigned to the hydrogens oximethilenics and allylics, and δ 5.42 (tq, J = 7.0 and 1.5 Hz), referring to the olefinic hydrogen. The presence of (E)-phytol was confirmed by observation in the 13 C NMR spectrum of the signals in δ 59.1 (CH 2 O), 123.4 and 140.5 (olefinic CH and C) and by comparison with literature data (Rahman & Ahmad, 1992;Ayres et al, 2008).…”
Section: Resultsmentioning
confidence: 54%
“…The structural identification of these compounds was performed by analysis of spectral data of 1 H and 13 C NMR (including DEPT 135° and 90°), as well as by comparison of their spectral data with those reported in the literature (Olea & Roque, 1990;Ayres et al, 2008;Rahman & Ahmad, 1992;Mahato & Kundu, 1994;Junges et al, 2000;Salazar et al, 2000;De-Eknamkul & Potduang, 2003).…”
Section: Resultsmentioning
confidence: 99%
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“…A infusão dos frutos é usada no tratamento de asma e a infusão das cascas, para limpeza externa de úlceras e feridas e, também, contra inflamações 5 . Segundo estudo de Ayres 6 , a Qualea grandifora Mart apresenta atividade antimicrobiana, sendo de grande importância no combate de patógenos relacionado com a ocorrência de endocardites, bacteremias, sepse, bem como outras graves infecções envolvidas com dispositivos médicos. O extrato bruto das folhas possui ação depressora do sistema nervoso central, efeito analgésico e um potencial anticonvulsivo 7 .…”
Section: Introductionunclassified
“…Brazil houses a larger number of plant species (32,086 native Angiosperms and 23 native Gymnosperms) than any other country in the world (MITTERMEIER et al, 2005;, allocated mainly in Cerrado and Atlantic Rainforest .…”
Section: Introductionmentioning
confidence: 99%