Contribuição preliminar aos tipos polínicos da Tribo Mutisieae (Compositae)

Pastana, Grace Irene Imbiríba

doi:10.1590/s0102-33061988000300006

Cited by 2 publications

(2 citation statements)

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“…Two species of the genus Chaptalia were analyzed in which C. integerrima was previously studied by Cancelli et al (2010) who described the pollen grain as prolate-spheroidal, and Pastana (1988), who described it as suboblate. The other characteristics presented by the aforementioned authors were similar to our descriptions.…”

Section: Discussionmentioning

confidence: 99%

“…The pollen grains of Asteraceae (Anthemideae, Eupatorieae, Inuleae, Mutiseae and Senecioneae) here were previously described by Cancelli (2008) and Cancelli et al (2005Cancelli et al ( , 2010 from specimens collected in the state of Rio Grande do Sul (including Chaptalia integerrima, Chromolaena laevigata (Eupatorium laevigatum), Mikania micrantha and Senecio brasiliensis). Chaptalia integerrima was also described by Pastana (1988) in a palynological study with 14 Brazilian species from the Mutiseae tribe, belonging to the National Museum Herbarium -RJ. The pollen grains of Mikania micrantha were also studied by Mendonça & Gonçalves-Esteves (2000) in a study with species from the Eupatorieae occurring at Restinga de Carapebus, Carapebus -RJ.…”

Section: Introductionmentioning

confidence: 99%

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Palynology of Species of Anthemideae, Eupatorieae, Inuleae, Mutiseae and Senecianeae Tribes Occurring in the Region of Campos Gerais, Paraná State, Brazil

Stanski¹,

Moro²,

Nogueira³

et al. 2018

Iheringia Ser Bot

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We analyzed the pollen morphology of ten species belonging to nine genera of the Asteraceae family, with one species belonging to the Anthemideae tribe (Matricaria chamomilla L.), three belonging to the Eupatorieae [Chromolaena laevigata (Lam.) R. M. King & H. Rob., Mikania micrantha Kunth and Vittetia orbiculata (DC.) R.M.King & H.Rob.], two to the Inuleae (Achillea millefolium L. and Gnaphalium purpureum L.), two to the Mutiseae [Chaptalia integerrima (Vell.) Burkart and Chaptalia graminifolia (Dusén ex Malme) Cabrera], and two species belonging to the Senecioneae tribe [Emilia sonchifolia (L.) DC. and Senecio brasiliensis (Spreng.) Less.]. We used acetolysis to carry out the palynological analysis and pollen grains were studied under light and scanning electron microscopy. The tribes were considered eurypalynous, whose morphological detail allowed the subdivision of species in four groups related to pollen types Anthemis, Eupatorium, Centaurea and Senecio, previously defi ned in the literature.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Palynology of Species of Anthemideae, Eupatorieae, Inuleae, Mutiseae and Senecianeae Tribes Occurring in the Region of Campos Gerais, Paraná State, Brazil

Stanski¹,

Moro²,

Nogueira³

et al. 2018

Iheringia Ser Bot

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Chemical annotation of the infusion of Jungia floribunda Less and its inhibitory potential on the elastase enzyme

Ribeiro,

Santos,

Salem

et al. 2023

Natural Product Research

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Jungia floribunda Less. is a shrub belonging to the Asteraceae. The infusion of its leaves has been used, in folk medicine of several South American countries, as anti-inflammatory and hypoglycemic agent. In the present study, the infusion of leaves from J. floribunda was obtained and its chemical composition was determined by UHPLC-MS associated with molecular network allowing the annotation of flavonoids, sesquiterpene lactones, coumarins, and chlorogenic acid derivatives. Besides, in vitro elastase activity assay was carried out with the infusion. As observed, elastase was inhibited at concentrations ranging from 15 to 240 µg/mL, reaching to 71% of inhibition at the maximum of evaluated concentration. Given that species of plants are promising sources for the discovery of new drugs, these results corroborate the infusion of J. floribunda as a potential source of bioactive compounds for the discovery of new inhibitors for elastase, besides its ethnopharmacological aspects.

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Contribuição preliminar aos tipos polínicos da Tribo Mutisieae (Compositae)

Cited by 2 publications

References 4 publications

Palynology of Species of Anthemideae, Eupatorieae, Inuleae, Mutiseae and Senecianeae Tribes Occurring in the Region of Campos Gerais, Paraná State, Brazil

Palynology of Species of Anthemideae, Eupatorieae, Inuleae, Mutiseae and Senecianeae Tribes Occurring in the Region of Campos Gerais, Paraná State, Brazil

Chemical annotation of the infusion of Jungia floribunda Less and its inhibitory potential on the elastase enzyme

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