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Morpho-anatomical characters of the leaf and stem of Mandevilla coccinea (Hook. et Arn.) Woodson, Apocynaceae BJPS
Duarte,Márcia do Rocio; Larrosa,Carina Rau Rivas.
Mandevilla coccinea (Hook. et Arn.) Woodson, Apocynaceae is a herb native to South America employed in folk medicine as an analgesic, anti-inflammatory and to inhibit snake venom effects. This work was carried out to study the morpho-anatomical characters of the leaf and stem in order to advance knowledge on this medicinal plant and on pharmacognostic quality control. The plant material was fixed and prepared according to light and scanning electron microtechniques. Its leaves are simple, alternate and ovate-obovate. The epidermis is uniseriate and coated with a thick and striate cuticle. The stomata are paracytic and occur on both foliar surfaces. The dorsiventral-like mesophyll has a sub-epidermal parenchymatic layer containing phenolic substances and is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mandevilla coccinea (Hook. et Arn.) Woodson/pharmacognosy; Mandevilla coccinea (Hook. et Arn.) Woodson/morpho-anatomical characters; Apocynaceae/pharmacognosy; Medicinal plants/pharmacognostic quality control; Phenolic compounds.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502011000100017
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Pharmacobotanic characterization of young stems and stem barks of Rauvolfia sellowii Müll. Arg., Apocynaceae BJPS
Baratto,Leopoldo Clemente; Duarte,Márcia do Rocio; Santos,Cid Aimbiré de Moraes.
Rauvolfia sellowii Müll. Arg. (Apocynaceae), a Brazilian native tree rich in indole alkaloids, is known as "pau-pra-tudo" and popularly used as hypocholesterolemic, hypoglycemic and antihypertensive. The aim of this work was to study the anatomy of the young stems and stem barks of this medicinal plant, in order to contribute to the identification of the species as a drug. The plant material was fixed and prepared according to standard microtechniques. The young stems have remaining epidermis, but a suberified peridermis is evident. The phellogen is located in the cortical region, forming suber externally. Underneath the phellogen, lies the phelloderm and collenchymatic region. In the cortex, there are numerous laticifers and some fibers. There is an...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rauvolfia sellowii/pharmacognosy; Apocynaceae/pharmacognosy; Medicinal plants; Vegetal anatomy; Internal phloem; Laticiferous ducts; Calcium oxalate crystals.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502010000300020
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