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Phytochemical and morpho-anatomical study of the vegetative organs of Psychotria fractistipula L.B.Sm., R.M. Klein & Delprete (Rubiaceae) BJPS
Oliveira,Camila Freitas de; Oliveira,Vinicius Bednarczuk; Bobek,Vanessa Barbosa; Rech,Katlin Suellen; Betim,Fernando Cesar Martins; Dias,Josiane de Fatima Gaspari; Zanin,Sandra Maria Warumby; Miguel,Obdulio Gomes; Miguel,Marilis Dallarmi.
Psychotria fractistipula L.B.Sm, R.M. Klein & Delprete (Rubiaceae) is found in the existing Atlantic Forest in the South of Brazil, in the Paraná and Santa Catarina States. The members of Rubiaceae are characterized chemically by the presence of alkaloids, some pharmacological properties of which include antifungal, antibacterial, analgesic, antioxidant, antimutagenic, and antiviral activities. In this study, we report the results of anatomical, morphological, and histochemical analyses of the leaves and stems of the Rubiaceae family member, P. fractistipula. The anatomical analysis involved of light microscopy and scanning electron microscopy. Morpho-anatomical and histochemical characterization were made using standard methodology. The isolated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Psychotria; Morpho-anatomical; Phytochemistry.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100565
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Ocotea nutans (Nees) Mez (Lauraceae): chemical composition, antioxidant capacity and biological properties of essential oil BJPS
Betim,Fernando Cesar Martins; Oliveira,Camila Freitas de; Souza,Angela Maria de; Szabo,Ellis Marina; Zanin,Sandra Maria Warumby; Miguel,Obdulio Gomes; Miguel,Marilis Dallarmi; Dias,Josiane de Fátima Gaspari.
The present study was undertaken to assess the potential uses of the essential oil obtained from Ocotea nutans (Nees) Mez. The hydrodistilled essential oil from O. nutans leaves was analyzed by gas chromatography-mass spectrometry. Fifty-eight compounds representing 87,29% of the total leaf essential oil components were identified, of which biciclogermacrene(11.41%), germacrene-D (4.89%), bisabolol-11-ol(3.73%) and spathulenol (3.71%) were the major compounds. The essential oil from O. nutans were tested for antibacterial activity using the minimum inhibitory concentracion (MIC) method, Artemia salina method, larvicidal activity in Aedes aegypti, and antioxidant capacity.The antioxidant activity measured by the phosphomolybdenum complex and Prussian blue...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ocoteanutans/essential oil/evaluation; Antioxidant capacity; Aedesaegypti; Toxic potential.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502019000100513
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