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Insights on the formulation of herbal beverages with medicinal claims according...
Barreira, João C.M.; Morais, Ana L.; Ferreira, Isabel C.F.R.; Oliveira, M.B.P.P.Several herbal beverages claim medicinal benefits due to their antioxidant properties. However, operational factors such as the extracted herbal component, preparation method or concentration levels, might influence their biological activity. To assess this effect, the antioxidant activity of beverages prepared with Camellia sinensis, Aspalathus linearis or Cochlospermum angolensis, used solely or mixed with di...
Herbal beverages formulations and bioactive properties: a comparative study.
Barreira, João C.M.; Morais, Ana L.; Oliveira, M.B.P.P.; Ferreira, Isabel C.F.R.Herbal beverages are among the main products which claim medicinal benefits, specially related with antioxidant properties [1,2]. The definition of herbal beverages (“teas”) as functional drinks might be related with the plant species from which is prepared, formulation or preparation method. In this study the beverages were prepared from Camellia sinensis (black and green tea), Aspalathus linearis (red tea) an...
Comparative study of antioxidant properties of different green tea formulations.
Morais, Ana L.; Barreira, João C.M.; Oliveira, M.B.P.P.; Ferreira, Isabel C.F.R.Tea, a product made up from leaf and bud of the plant Camellia sinensis, is, after water, the most consumed drink in the world. Particularly, green tea, a “non-fermented” tea (produced by drying and steaming the fresh leaves to inactivate the polyphenol oxidase and thus, non oxidation occurs) has been related to different health benefits such as reduction in the risk of cardiovascular disease and some forms of ...
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