15 documents found, page 1 of 2
Antibacterial and antimalarial activity of Angolan Cymbopogon citratus essentia...
Pires, P.P. Catarino; Sekhoacha, M.; Matsabisa, M.; Tselanyane, M.; Ferreira da Vinha, Ana; Soares, M.O.Bacterial infections and malaria remain a major public health problem due to the emergence and spread of drug resistant strains. There is an urgent need to investigate new sources of antibacterial and antimalarial drugs, which are more effective. One of the potential sources of antibacterial and antimalarial drugs is traditional medicinal plants. Our ethnopharmacological studies, in several Angolan regions, sho...
Antimicrobial natural products
Soares, M.O.; Ferreira da Vinha, Ana; Coutinho, F.; Pires, P.C.Our ethnopharmacological studies, in several Angolan regions, showed that Cymbopogon citratus (DC) Stapf., it´s applied in folk medicine to treat several diseases In order to validate antibacterial activity several studies were performed using 12 bacterial strains. The essencial oil samples of Cymbopogon citratus, obtained by hydro-distillation, were analysed by GC and GC-MS. Constituents were identified and te...
Antioxidant activity and antimicrobial properties of lemon grass essential oil
Ferreira da Vinha, Ana; Soares, M.O.; Barreira, Sérgio; Castro, A.; Alves, R.C.; Oliveira, M.B.P.P.Essential oils have been explored comprehensively as potential sources of compounds with antioxidant and antimicrobial activities.
Cymbopogon citratus EO antimicrobial activity against multi-drug resistant Gram...
Soares, M.O.; Ferreira da Vinha, Ana; Barreira, Sérgio; Coutinho, F.; Aires-Gonçalves, S.; Oliveira, M.B.P.P.; Pires, P.C.; Castro, A.We studied the antibacterial and antifungal activity of Cymbopogon citratus. These properties were studied on hospital isolated multidrug resistant strains Staphylococcus aureus, Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Klebsiella pneumonia and their respective ATCC control strains. Pathogenic Candida albicans, Candida parapsilosis, and Candida tropicalis were also tested. Results of...
Importance of tomato (Lycopersicon esculentum) consumption on the plasma status...
Ferreira da Vinha, Ana; Pires, P.C.; Soares, M.O.; Iglésias, R.; Pérez, M.J.; Estévez, J.G.Tomato fruit and especially concentrated tomato paste are importante sources of antioxidantes in the mediterranean diet. Tomatoes (Lycopersicon esculentum) are widely consumed either raw or after processing and can provide a significant proportion of the total antioxidants in diet.
Antimicrobial activity of essential oil of Cymbopogon citratus (DC) Stapf. Poac...
Soares, M.O.; Ferreira da Vinha, Ana; Lima, R.P.; Coutinho, F.; Machado, M.; Catarino, P.Cymbopogon citratus (DC) Stapf. Poaceae-Gramineae (C. citratus) is an herb from India, which grows in several countries in tropical and sub-tropical, as the Republic of Angola, where tea is known as caxinde. This tea is consumed, as aromatic drink, as well as in traditional cuisine due to its lemon flavor. Cymbopogon citratus (DC) is widelly used in folk medicine, where infusions and decoctions, feature anti-sp...
Physicochemical characteristics and antioxidant activity of Baobad (adansonia d...
Ferreira da Vinha, Ana; Soares, M.O.; Barros, R.; Faria, C.; Catarino, P.P.A medicinal plant is any plant in which one or more of its organ contains substances that can be used for therapeutic purposes on which are precursors for the synthesis of useful drugs. In the recent years, in the attempt to counteract the oxidative stress damages, the strategy of implementing the diet with antioxidants, especially deriving from natural sources, is becoming more and more convincing. Several stu...
Origanum virens endemic from Portugal: a novel antifungal activity with antioxi...
Soares, M.O.; Ferreira da Vinha, Ana; Coutinho, F.; Lima, R.; Catarino, P.P.Origanum virens is widely used in Portuguese cuisine. Spices are common food adjuncts, which have been used as flavoring, seasoning, and coloring agents and sometimes as preservatives throughout the world for years. Many spices have been recognized to have medicinal properties and possess many beneficial effects on health, such as antioxidant activity, digestive stimulant action, anti-inflammatory, antimicrobia...
Atividade bioterapêutica de plantas medicinais angolanas
Soares, M.O.; Ferreira da Vinha, Ana; Pires, P.; Catarino, P.Os resultados apresentados neste trabalho demonstram que as plantas medicinais Angolanas têm diversas acções terapêuticas, muitas não descritas no seu uso tradicional. O extracto aquoso do Chá de cachinde apresenta um efeito antioxidante elevado e um efeito bactericida. O presente trabalho foi o primeiro a claramente demonstrar que o óleo essencial de Cymbopogon citratus inibe o crescimento do Staphylococcus au...
Antifungal activity of endemic Origanum virens from Portugal
Soares, M.O.; Ferreira da Vinha, Ana; Lima, R.P.; Coutinho, F.; Catarino, P.Origanum virens is widely used in Portuguese, and Mediterranem, cuizin. Althout it is use as food condiment, it is also used in traditional medicin as antiseptic. The antifungal activity of Origanum virens essential oil on Candida albicans ATCC 10231 and physicchemical characterization of several extracts were evaluated.