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Quantificação das substâncias fenólicas totais em órgãos da aroeira Schinus Terebenthifolius (RADDI) BABT
Queires,Luís Carlos Soares; Rodrigues,Luiz Erlon Araujo.
The "aroeira" (Schinus terebenthifolius, RADDI), known as a toxic plant is actually very used in popular medicine, mainly in the treatment of general inflammatory processes. Many of its properties or of its curative effects may be attributed to the different polyphenols that belong to its structural constitution. In this work we have demonstrated that the distribution of total phenols was different in the several organs of the "aroeira", such as leaves, flowers, fruits and stem. The importance of these substances for the plant physiology and defense mechanisms, their ecological relationships and some therapeutic uses were also discussed. The correlation between the polyphenol properties and the metabolism of animal cells, suggest special attention when the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phenolic substances; Aroeira; Schinus terebenthifolius.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000200012
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The lysosomal stability as a biomarker for the determination of pollution in aquatic environments BABT
Nazar,Maria Loreto; Rodrigues,Luiz Erlon Araujo; Nascimento,Iracema.
This work studied the effects caused by five different formulae of gasoline on the stability of the lysosomes isolated from the liver of the tilapia fish (Oreochromis niloticus). The functional integrity of the lysosomal membranes was evaluated via the acid phosphatase activity. The results showed that there were significant changes in the stability of the lysosomes exposed to the presence of the hydrocarbons in the environment. Therefore, considering the method's simplicity, the sensitivity of the responses and its low cost the assessment of the lysosomal activity could be an important tool for the study of the effects of pollution in the aquatic environments.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biomarkers; Acid phosphatase; Lysosomes; Aquatic environments; Pollution.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500025
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