Publications by authors named "Silvia Cristina Heredia Vieira"

Although Aristolochia plants remain controversial due to their toxicity, this group of perianth-bearing plants, which includes the medicinal species Aristolochia esperanzae, is among the most relevant from an ethnobotanical perspective. All parts of A. esperanzae are used in popular medicine in the form of infusion for the treatment of rheumatism.

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Ethnopharmacological Relevance: Serjania marginata Casar (Sapindaceae Family) Leaves are popularly used against abdominal pain. Antiulcer properties of S. marginata were scientifically described, however rare studies showed the antinociceptive effects of this plant.

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Ethnopharmacological Relevance: Aristolochia triangularis Cham. has been used in Brazilian traditional medicine for various therapeutic purposes, including as a leaf-based infusion for diabetes management.

Aim Of The Study: This study was designed to chemically characterize an infusion of in natura A.

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Gastric cancer is the fifth most common malignancy worldwide. Serjania marginata Casar. (SM) displays anti-inflammatory properties and has been used to treat gastrointestinal disorders.

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Alibertia edulis leaf extract is commonly used in folk medicine, with rutin caffeic and vanillic acids being its major compounds. The Alibertia edulis leaf extract was investigated for its pharmacological effects via platelet aggregation, calcium mobilization, cyclic nucleotides levels, vasodilator-stimulated phosphoprotein Ser157 and Ser239 and protein kinase Cβ phosphorylation, thromboxane B, cyclooxygenases 1 and 2, docking and molecular dynamics. Alibertia edulis leaf extract significantly inhibited (100-1000 μg mL) platelet aggregation induced by different agonists.

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The aim of this study was to assess the leaf aqueous extract composition of Serjania marginata and the effects of its inclusion on the diet of Nile tilapia (Oreochromis niloticus), with respect to the activity of digestive enzymes and enzymes associated with the metabolism of the liver and intestine and liver histopathology. Fish (initial mean weight, 54.36 ± 17.

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Ethnopharmacological Relevance: Serjania marginata Casar. (Sapindaceae) is a species traditionally known to be used for the treatment of gastric pain and inflammatory symptoms.

Aim Of This Study: Due to the therapeutic importance of this species, this study investigated the toxicological effects of S.

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Ethnopharmacological Relevance: Some species of Campomanesia are used in the folk medicine due to anti-inflammatory, anti-diarrheal, anti-diabetes and hypercholesterolemic. However studies with Campomanesia guazumifolia (Cambess.) O.

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Ethnopharmacological Relevance: Alibertia edulis, popularly known as "marmelo do Cerrado" is a native plant from the brazilian Cerrado. It has high food and ornamental potential and the tea leaves are currently used as hypoglycemic, antihypertensive and diuretic.

Aim Of The Study: In order to evaluate the safety of the aqueous extract of Alibertia edulis leaves (AEAE), the acute and subacute toxicity tests were performed in male and female Wistar albino rats.

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Ethnopharmacological Relevance: Serjania marginata (Sapindaceae), a medicinal plant commonly found in the Brazilian Cerrado, Paraguay, Bolivia and Argentina, is also known as "cipó-uva" or "cipó-timbó". Ethnopharmacological studies indicate that the leaves from this medicinal plant are used in folk medicine to treat gastric pain. The overall objective of this study was to evaluate the gastroprotective and healing effect of the hydroalcoholic extract obtained from S.

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In vitro activity of the essential oil from Piper diospyrifolium leaves was tested using disk diffusion techniques. The antifungal assay showed significant potencial antifungal activity: the oil was effective against several clinical fungal strains. The majority compounds in the essential oil were identified as sesquiterpenoids by GC-MS and GC-FID techniques.

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