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Antioxidants
Antioxidants, either
exogenous or endogenous, whether synthetic or natural, can be effective inpreventing
free radical formation by scavenging them or promoting their decomposition andsuppressing
such disorders. Currently, there is a growing interest toward naturalantioxidants
of herbal resources. Epidemiological and in vitro studies on medicinal plantsand
vegetables strongly supported this idea that plant constituents with
antioxidant activity arecapable of exerting protective effects against oxidative
stress in biological systems. Freeradical formation is controlled naturally by
various beneficial compounds known as
antioxidants. In addition to fruits
and vegetables, herbs of no particular nutritional value canalso constitute an
important source of antioxidants. The leaves from black and green tea(Camellia
sinensis), long used amongst western and Asian populations, respectively,
constitutean important source of potentially health-protecting antioxidants and
world-widerepresent the most popular form of daily herb consumption
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