The oxidative stress has a very high input in the development of neuritic abnormalities (1]. The powerful action exerted by Ginkgo bilobaL on cerebral vascular activity led to an increasing interest on its medicinal potential, mainly related to antioxidant properties (2]. Tocopherols are known to be powerful antioxidants through free radicals scavenging activity that allows the inhibition of lipid peroxidation....
The medical interest in western Ginkgo bilobaL. has increased since the 1980s, due to its potent action on the cerebral vascular activity and, in particular, for Alzheimer's disease. A variety of mechanisms of neuronal degeneration in Alzheimer's disease has been proposed, which includes formation of free radicals and oxidative stress [1 ,2]. Regarding the described correlation between antioxidants and Alzheime...
Parasitic plants (mistletoes) may alter the growth, reproduction and physiology of their hosts. Mimosa calodendron (Fabaceae) is a legume abundant in rupestrian fields on ironstone outcrops, frequently attacked by the hemiparasite Struthanthus flexicaulis (Loranthaceae). The objective of this study was to evaluate the consequences of parasitism by S. flexicaulis on the fitness of M. calodendron. The intensity o...
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