Results 11 to 20 of about 1,044 (156)
Diversidade taxonômica e padrões de distribuição geográfica em Picramnia (Simaroubaceae) no Brasil Taxonomic diversity and geographic distribution patterns of Picramnia (Simaroubaceae) in Brazil [PDF]
Acta Botânica Brasílica, 1990 O gênero neotropical Picramnio Sw., tem 19 espécies no Brasil, das quais 12 são exclusivamente brasileiras. Os principais padrões de variação e distribuições geográfica e ecológica desses taxa, permitem o reconhecimento de algumas categorias de espécies:
José Rubens Pirani
doaj +5 more sources
Medicinal Plants in the Prevention and Treatment of Colon Cancer. [PDF]
Oxid Med Cell Longev, 2019 The standard treatment for cancer is generally based on using cytotoxic drugs, radiotherapy, chemotherapy, and surgery. However, the use of traditional treatments has received attention in recent years. The aim of the present work was to provide an overview of medicinal plants effective on colon cancer with special emphasis on bioactive components and ...
Aiello P +13 more
europepmc +2 more sources
Activity of Cuban Plants Extracts against Leishmania amazonensis. [PDF]
ISRN Pharmacol, 2012 Natural products have long been providing important drug leads for infectious diseases. Leishmaniasis is a major health problem worldwide that affects millions of people especially in the developing nations. There is no immunoprophylaxis (vaccination) available for Leishmania infections, and conventional treatments are unsatisfactory; therefore ...
García M +3 more
europepmc +2 more sources
Anthrone and oxanthrone C , O -diglycosides from Picramnia teapensis
Phytochemistry, 2000 Two C,O-diglycosylated compounds, the anthrone picramnioside F, and the oxanthrone mayoside C, were isolated from the stem bark of Picramnia teapensis, along with the previously reported anthraquinones, 1-O-beta-D- and 8-O-beta-D-glucopyranosyl emodin. The compounds were separated by recycling-HPLC, and their structures were determined on the basis of ...
M F G F Da Silva +2 more
exaly +6 more sources
Recycle HPLC: A Powerful Tool for the Purification of Natural Products [PDF]
Chromatography Research International, Volume 2013, Issue 1, 2013., 2013 Natural compounds occur as various isomeric or closely related structures in biological matrices. These compounds are difficult to separate from the complex mixtures, and hence, the need for effective and innovative separation techniques arises. Recycle HPLC allows the recycling of sample, in part or full, and increases the separation efficiency of the
Jasmeen Sidana +2 more
wiley +3 more sources
The leaf breakdown of Picramnia sellowii (Picramniales: Picramniaceae) as index of anthropic disturbances in tropical streams [PDF]
Brazilian Journal of Biology, 2015 There are few studies in tropical regions exploring the use of leaf breakdown process as a functional tool to assess anthropic disturbance on aquatic ecosystems.
M. P. Lopes +3 more
doaj +4 more sources
Ueber das Fett von Picramnia Lindeniana [PDF]
Chemische Revue über Die Fett- Und Harz-Industrie, 1912 n ...
exaly +3 more sources
Flora da Usina São José, Igarassu-PE: Rutaceae, Simaroubaceae e Picramniaceae
Rodriguésia, 2003 Este trabalho é parte da série de monografias taxonômicas de famílias ocorrentes em fragmentos de Floresta Atlântica da Usina São José, Igarassu, norte do estado de Pernambuco.
Maria Teresa Buril +2 more
doaj +2 more sources
Ciencia Amazónica (Iquitos), 2014 Este trabajo de investigación se llevó a cabo en 19 comunidades indígenas de la etnia Shipibo-Conibo, en la Región Ucayali, con el objetivo de determinar que especies maderables y no maderables son utilizadas, como materia prima para teñir o dibujar ...
Luisa Riveros, Andrés Castillo
doaj +3 more sources
, 2022 Published as part of Molino, Jean-François, Sabatier, Daniel, Grenand, Pierre, Engel, Julien, Frame, Dawn, Delprete, Piero G., Fleury, Marie, Odonne, Guillaume, Davy, Damien, Lucas, Eve J. & Martin, Claire A., 2022, An annotated checklist of the tree species of French Guiana, including vernacular nomenclature, pp.
Molino, Jean-François +10 more
openaire +2 more sources