Previous research has determined that polyphenols are compounds with potent antioxidant activity, including the ability to eradicate free radicals, and have thus suggested to offer potential protection against a variety of diseases. A team of German scientists enrolled 98 people who reported symptoms of the common cold that started in the previous 24 hours, and participants randomly either received a juice containing of green tea, grape seed and grape skin extract and shiitake mushroom or a placebo beverage, twice a day for 10 days. At the end of the study, the researchers observe that “ there were highly significantly more patients in the [juice] group complaint free than in the placebo group … In addition to these self-reported values, several local findings of the physical examination were also significantly improved in the [juice] group.”
Juice Beverage May Slash Common Cold
German researchers find a juice containing of green tea, grape seed and grape skin extract and shiitake mushroom may reduce the incidence of common cold.
Katrin Schutz, Matthias Sass, Axel de With, Hans-Joachim Graubaum, Jorg Grunwald. “Immune-modulating efficacy of a polyphenol-rich beverage on symptoms associated with the common cold: a double-blind, randomised, placebo-controlled, multi-centric clinical study.” British Journal of Nutrition, 21 May 2010; doi:10.1017/S0007114510002047.
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