21 documents found, page 1 of 3
Essential oils of cordiaspecies, compounds and applications : a systematic review
Andrade, Kellen Cruvinel Rodrigues; Martins, Diegue Henrique Nascimento; Barros, Diogo de Amorim; Souza, Paula Monteiro de; Silveira, DâmarisThe purpose of this systematic review was to identify the available literature on the essential oil from species of genus Cordia. This study followed the Preferred Reporting Items for Systematic Reviews. The search was conducted on four databases: LILACS, PubMed, Science Direct, and Scopus until June 5th, 2020, with no time or language restrictions. Sixty out of the 1,333 initially gathered studies fit the incl...
Seasonal chemical evaluation of Miconia chamissois Naudin from Brazilian Savanna
Ferreira, Juliana de Freitas; Mera López, Manuel Humberto; Gomes, João Victor Dutra; Martins, Diegue Henrique Nascimento; Fagg, Christopher WilliamMiconia chamissois Naudin is a species from the Cerrado, which is being increasingly researched for its therapeutic potential. The aim of this study was to obtain a standardized extract and to evaluate seasonal chemical variations. Seven batches of aqueous extracts from leaves were produced for the standardization. These extracts were evaluated for total solids, polyphenol (TPC) and flavonoid content (TFC), vit...
Lycorine alkaloid and Crinum americanum L. (Amaryllidaceae) extracts display an...
Silva, Lorene Coelho; Correia, Amabel Fernandes; Gomes, João Victor Dutra; Romão, Wanderson; Motta, Larissa Campos; Fagg, Christopher WilliamCandida species are the main fungal agents causing infectious conditions in hospital patients. The development of new drugs with antifungal potential, increased efficacy, and reduced toxicity is essential to face the challenge of fungal resistance to standard treatments. The aim of this study is to evaluate the in vitro antifungal effects of two crude extracts of Crinum americanum L., a rich alkaloid fraction a...
Influence of in vitro micropropagation on lycorine biosynthesis and anticholine...
Costa, Gabriella Gusmão Pereira da; Silva, Cristian Aldemar Gasca; Gomes, João Victor Dutra; Torres, Amanda Gomes; Santos, Izulmé Rita ImaculadaHippeastrum goianum (Ravenna) Meerow, Amaryllidaceae, is an endemic species from the Cerrado, Brazil; there are only few studies about its chemistry or biological activity. This study aimed to investigate the occurrence of lycorine in extracts from in vitro H. goianum plantlets, as well as evaluate a possible inhibition of acetylcholinesterase. The ethanol extract of plantlets produced by in vitro seed germinat...
Determination of harpagoside in Harpagophytum procumbens DC tablet’s using anal...
Ribeiro, Gislane dos Santos; Carneiro, Amanda de Assis; Martins, Diegue Henrique Nascimento; Simeoni, Luiz Alberto; Silveira, DâmarisThe species Harpagophytum procumbens DC. is popularly known as devil’s claw and is widely used because of its anti-inflammatory properties that are attributed to an iridoid glycoside, the harpagoside. This medicinal plant is part of the Brazilian List of Essential Medicines, that is, it was selected and standardized for the resolution of diseases in the Brazilian public health system, SUS, and can be found in s...
Quality of medicines : deficiencies found by Brazilian Health Regulatory Agency...
Geyer, Andrea Renata Cornelio; Sousa, Varley Dias; Silveira, DâmarisThe circulation of poor quality medicines, especially in the developing countries, is a public health concern. Compliance with good manufacturing practices (GMP) is essential to ensure the quality, efficacy, and safety of medicines. This study evaluated the outcomes of the Brazilian Health Regulatory Agency's (ANVISA) international inspections of two years (2015 and 2016) and compared these to those of other re...
COVID-19 : is there evidence for the use of herbal medicines as adjuvant sympto...
Silveira, Dâmaris; Prieto-Garcia, Jose Maria; Boylan, Fabio; Estrada, Omar; Bazzo, Yris Maria Fonseca; Jamal, Claudia MasrouahBackground: Current recommendations for the self-management of SARS-Cov-2 disease (COVID-19) include self-isolation, rest, hydration, and the use of NSAID in case of high fever only. It is expected that many patients will add other symptomatic/adjuvant treatments, such as herbal medicines. Aims: To provide a benefits/risks assessment of selected herbal medicines traditionally indicated for “respiratory diseases...
Cytotoxic effect of Erythroxylum suberosum combined with radiotherapy in head a...
Macedo, Taysa B. C.; Elias, Silvia Taveira; Torres, Hianne M.; Silva, Fernanda Paula Yamamoto; Silveira, Dâmaris; Magalhães, Pérola de OliveiraO câncer de boca e de orofaringe emerge como o 6º tipo de câncer mais comum no mundo. O tratamento pode envolver cirurgia, quimioterapia e radioterapia. Mais de 50% das drogas com atividade de combate ao câncer foram isoladas de fontes naturais, tais como a Catharanthus roseus e a epipodofilotoxina, isolada de Podophyllum. O maior desafio é maximizar o controle da doença, enquanto minimiza a morbidade e toxicid...
Systematic organization of medicinal plant information : a monograph template p...
Carvalho, Ana Cecília Bezerra; Santos, Ligia A.; Silveira, DâmarisThe use of medicinal plants in Brazil is widespread and is supported by public policies; it has the objective of providing the population with safe and effective herbal medicines of adequate quality. An action in these policies is to develop medicinal plant monographs to gather published information and decide which medicinal plants should be financed by the Brazilian government and distributed by the public he...
Aerobic and facultative microorganisms isolated from corroded metallic structur...
Correia, Amabel Fernandes; Segoviae, Jorge Federico Orellana; Bezerra, Roberto Messias; Gonçalves, Magda Celeste Alvares; Ornelas, Sócrates SouzaAerobic and facultative bacteria belonging to the Enterobacteriaceae, Pseudomonadaceae, Bacillaceae, Corynebacteriaceae and Streptococcaceae families have been isolated from corroded metallic structures of a hydroelectric power unit in the Amazon region of Brazil. In addition to anamorphic dematiaceous and moniliaceous fungi, members of the archeobacteria kingdom were also detected in the same samples. Scanning...