2006
DOI: 10.1590/s0102-695x2006000400017
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Abstract: RESUMO: "Estudo morfoanatômico das folhas de Ocotea duckei Vattimo (LauraceaeLauroideae)". Ocotea duckei Vattimo é uma espécie nativa do nordeste brasileiro, conhecida popularmente como "Louro-de-cheiro". É rica em alcalóides, lignanas e óleos essenciais. Um dos constituintes mais importantes obtidos de Ocotea duckei é iangambina, uma lignana furorânica, que têm demonstrado várias atividades farmacológicas como: antagonista do receptor do fator de agregação plaquetária (PAF), efeito protetor contra colapso car… Show more

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Cited by 12 publications
(8 citation statements)
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“…Therefore, the research on petiole anatomical structure has allowed us to reveal species differences. A similar tissue arrangement; cortex with fundamental parenchyma cells, discontinuous layers of sclerenchymatic cells surround the vascular bundle, open arch vascular bundle, collateral type xylem tissues have been observed in O. duckei (Coutinho et al 2006). Supporting tissues such as fibers and sclerotic cells are present in the petioles.…”
Section: Vascular Tissuessupporting
confidence: 56%
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“…Therefore, the research on petiole anatomical structure has allowed us to reveal species differences. A similar tissue arrangement; cortex with fundamental parenchyma cells, discontinuous layers of sclerenchymatic cells surround the vascular bundle, open arch vascular bundle, collateral type xylem tissues have been observed in O. duckei (Coutinho et al 2006). Supporting tissues such as fibers and sclerotic cells are present in the petioles.…”
Section: Vascular Tissuessupporting
confidence: 56%
“…C. litseaefolium, C. rivulorum and C. sinharajaense have highly concave upper surface and in C. verum has slight concave upper surface. The upper surface of C. capparu-corindo and Ocotea duckei, a member of family Lauraceae has a very much similar structure with winged extensions (Coutinho et al 2006). Similar dorsiventral structure has been observed in Cinnamomum pauciflorum leaf anatomy (Baruah and Nath, 2006).…”
Section: Petiole Shapementioning
confidence: 63%
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“…Secretory cells with spherical to oblong shape (Figure 2 B) and with light yellow lipophilic contents reacted with Sudan III in the histochemical test (Figure 3 A) are found in the lamina, especially in the adaxial side as well as in the midrib regions. Secretory cells are widely reported in the species of Ocotea [34][35][36][37][38][39]. In transverse section, the midrib is biconvex in outline (Figure 2 C).…”
Section: Microscopical Analysismentioning
confidence: 99%
“…The essential oils are located in special secretory structures, such as cavities, schizogenous or lysigenous channels (pockets), oily channels, glandular hairs, differentiated parenchymatous cells. They can be stored in fl owers, leaves, trunk bark, wood, roots, rootlets, fruits and seeds, and can vary in their composition according to the location in a single species (Queiroga et al, 1990;Janssen et al, 1987;Coutinho et al, 2006).…”
Section: Introductionmentioning
confidence: 99%