Phytochemical Assay
Mostrando 13-24 de 54 artigos, teses e dissertações.
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13. Phytochemicals, antioxidant and antimicrobial potentials and LC-MS analysis of hydroalcoholic extracts of leaves and flowers of Erodium glaucophyllum collected from Tunisian Sahara
Abstract Erodium glaucophyllum collected from Tunisian Sahara was never presented in the relevant literature yet. In this study, the phytochemical profiles, chemical compositions, antioxidant and antimicrobial activities, and Kill-time assay of the hydroalcoholic extract of flowers and leaves were investigated. The highest content in phenols, flavonoids and
Food Sci. Technol. Publicado em: 16/04/2018
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14. Antioxidant activity, antibacterial potential and characterization of active fraction of Dioscorea pentaphylla L. tuber extract collected from Similipal Biosphere Reserve, Odisha, India
ABSTRACT Dioscorea pentaphylla L., a wild tuber is used both as food and medicines among different ethnic groups of Similipal Biosphere Reserve, India. Tubers are used against skin infections. In order to establish and confirm tribal claims, methanol extract was subjected to fractionation. The active fraction (DP1) was subsequently used for further purificat
Braz. J. Pharm. Sci.. Publicado em: 09/04/2018
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15. Zornioside, a dihydrochalcone C-glycoside, and other compounds from Zornia brasiliensis
ABSTRACT The secondary metabolites of the aerial parts of Zornia brasiliensis Vogel, Fabaceae, and the biological activity of one of these secondary metabolites were characterized in this study. A phytochemical investigation was performed using chromatographic techniques including analytical and preparative reverse-phase HPLC column sequences, which resulted
Rev. bras. farmacogn.. Publicado em: 2018-04
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16. Preliminary in vitro assessment of the potential toxicity and antioxidant activity of Ceiba speciosa (A. St.-Hill) Ravenna (Paineira)
ABSTRACT The bark tea of Ceiba speciosa, a tropical tree of the Malvaceae family, is used in the Northwestern Region of Rio Grande do Sul state, Brazil, to reduce blood cholesterol levels. However, there are no scientific data on the efficacy and safety of this plant. The aim of the present study was to evaluate the in vitro antioxidant and toxic potential o
Braz. J. Pharm. Sci.. Publicado em: 22/06/2017
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17. Proximate analysis, mineral composition, phytochemical contents, antioxidant and antimicrobial activities and GC-MS investigation of various solvent extracts of cactus cladode
Abstract Cladodes Powder Extracts (CPE) are known for their medicinal properties such as being an auxiliary treatment for obesity and gastrointestinal or cardiovascular disorders as well as lowering cholesterol levels. The presented results proved that CPE was found to be a rich source of carbohydrate, ash, moisture and minerals namely Magnesium, Calcium and
Food Sci. Technol. Publicado em: 29/05/2017
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18. Investigation of phytochemical contents, in vitro antioxidant and antibacterial behavior and in vivo anti-inflammatory potential of Ecballium elaterium methanol fruits extract
Abstract Ecballium elaterium species are mostly used as therapeutic agents and food ingredient. The current work was designed to investigate phytochemical contents, antioxidant, antibacterial, and anti-inflammatory properties of methanol fruits extract of Ecballium elaterium. Good antioxidant activity was observed with IC50 values of 156 ± 4 and 377 ± 6 μ
Food Sci. Technol. Publicado em: 02/05/2017
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19. Euphorbia umbellata bark extracts – an in vitro cytotoxic study
ABSTRACT Euphorbia umbellata (Pax) Bruyns, Euphorbiaceae, is commonly used in folk medicine of southern Brazil to treat several kinds of cancer. The latex (part of the plant used for this purpose) is mixed with water and taken as treatment; but this matrix contains toxic potential related to the presence of some phorbol type diterpenes. So the aim of this st
Rev. bras. farmacogn.. Publicado em: 2017-04
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20. Identification of Triterpenoids from Schefflera systyla, Odontadenia puncticulosa and Conostegia speciosa and In Depth Investigation of Their in vitro and in vivo Antifungal Activities
As a part of a broad screening of antifungal agents from plant origin, crude extracts from Panamanian plants having related types of constituents displayed significant activities in an agar overlay thin layer chromatography assay against a susceptible strain of Candida albicans. These were the methanolic extract of the leaves of Schefflera systyla and Odonta
J. Braz. Chem. Soc.. Publicado em: 2017-03
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21. Phytochemical screening of the dichloromethane–ethanolic extract of Eriosema campestre var. macrophylum roots and its antiproliferative effect on human peripheral blood lymphocytes
ABSTRACT Eriosema campestre var. macrophylum (Grear) Fortunato, Fabaceae, is a native plant of the Brazilian Cerrado and the decoction of its roots has been used by folk medicine for the therapy of inflammatory diseases. In this study we aimed to investigate the effect of the dichloromethane–ethanolic extract of E. campestre roots on the proliferative resp
Rev. bras. farmacogn.. Publicado em: 2016-08
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22. Sida tuberculata (Malvaceae): a study based on development of extractive system and in silico and in vitro properties
Sida tuberculata (Malvaceae) is a medicinal plant traditionally used in Brazil as an antimicrobial and anti-inflammatory agent. Here, we aimed to investigate the different extractive techniques on phytochemical parameters, as well as to evaluate the toxicity and antioxidant capacity of S. tuberculata extracts using in silico and in vitro models. Therefore, i
Braz J Med Biol Res. Publicado em: 11/07/2016
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23. Phytochemical study and evaluation of cytotoxic and genotoxic properties of extracts from Clusia latipes leaves
Abstract Some species of the Clusia genus have been shown to have important biomedical properties, including the ability to inhibit tumor growth in vitro and the usefulness for skin care. In this study, we examined the cytotoxic effect of hexane, ethyl acetate and methanol extracts from Clusia latipes Planch. & Triana, Clusiaceae, leaves on survival of human
Rev. bras. farmacogn.. Publicado em: 2016-02
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24. The influence of extraction methods on composition and antioxidant properties of rice bran oil
AbstractThe current study was employed to assess the influence of the different extraction methods on total tocols, γ-oryzanol content, and antioxidant properties of Chiang Mai Black rice, Mali Red rice, and Suphanburi-1 Brown rice bran oil. Rice bran oil (RBO) was extracted by Hexane, Hot pressed, Cold pressed, and Supercritical Fluid Extraction (SFe) meth
Food Sci. Technol. Publicado em: 25/08/2015