Guava extract (Psidium guajava) alters the labelling of blood constituents with technetium-99m

查看全文 作　　者：ABREU [1]P.R.C.;ALMEIDA [1]M.C.;BERNARDO [1]R.M.;BERNARDO [1]L.C.;BRITO [1]L.C.;GARCIA [2]E.A.C.;FONSECA [3]A.S.;BERNARDO-FILHO [1]M.

机构地区：[1]Department of Biophysics and Biometry, Institute of Biology Roberto Alcantara Gomes, University of Estate of Rio de Janeiro, Rio de Janeiro 20551030, Brazil;[2]Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, So Cristóvo, Sergipe 49100000, Brazil;[3]Department of Pharmacology and Psychobiology, Institute of Biology Roberto Alcantara Gomes, University of Estate of Rio de Janeiro, Rio de Janeiro 20551030, Brazil

出　　处：《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》索引2006年第7卷第6期,共7页

基　　金：Project supported by CAPES, CNPq and FAPERJ, Brazil 摘　　要：Psidium guajava (guava) leaf is a phytotherapic used in folk medicine to treat gastrointestinal and respiratory dis-turbances and is used as anti-inflammatory medicine. In nuclear medicine, blood constituents (BC) are labelled with techne-tium-99m (99mTc) and used to image procedures. However, data have demonstrated that synthetic or natural drugs could modify the labelling of BC with 99mTc. The aim of this work was to evaluate the effects of aqueous extract of guava leaves on the labelling of BC with 99mTc. Blood samples of Wistar rats were incubated with different concentrations of guava extract and labelled with 99mTc after the percentage of incorporated radioactivity (%ATI) in BC was determined. The results suggest that aqueous guava extract could present antioxidant action and/or alters the membrane structures involved in ion transport into cells, thus decreasing the radiolabelling of BC with 99mTc. The data showed significant (P<0.05) alteration of ATI in BC from blood incubated with guava extract. 关键词：抗氧化剂锝放射性同位素番石榴汁血液要素

相关文献

参考文献（1）
引证文献（3）
耦合文献（13）

参考文献(1)

引证文献(3)

耦合文献(13)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Guava extract (Psidium guajava) alters the labelling of blood constituents with technetium-99m

参考文献(1)

引证文献(3)

耦合文献(13)

用户提示