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Easy way to
protect heart: sip black tea
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Quercetin, a flavonoid abundant in black tea, has shown
promise in protecting blood vessels against oxidative damage and lowering
cardiovascular disease (CVD) risk, said researchers who based their studies on
mice.
Flavonoids are common plant pigment compounds that act as antioxidants, enhance
the effects of vitamin C, and protect connective tissue around capillaries
(blood vessels).
Natalie Ward, research fellow from the University of Western Australia (UWA)
School of Medicine, and pharmacology professorial fellow Kevin Croft said
although their preliminary study is based on cells and isolated mouse vessels,
“our findings have suggested that quercetin is able to protect vessels against
oxidant-induced damage.”
The supervisors say there is evidence to suggest that other dietary flavonoids
may reduce blood pressure as well as bring down the development of
atherosclerosis (plaque build-up in arteries), the journal Biochemical
Pharmacology reports.
“Future studies looking at the effect of flavonoids on CVD should consider using
combinations of flavonoids, as well as dietary sources of flavonoids, rather
than supplementation with pure flavonoids,” said Ward and Croft, according to an
UWA statement. — IANS
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