Weight loss and green tea: myth and legend

Green tea: a fat burning food for weight loss? In the phase of weight loss, as during weight maintenance, it is important to maintain as constant as possible the daily energy expenditure. Indeed, daily caloric consumption usually decreases during weight loss. Since the 90s of last century, it has been proposed that green tea, thanks […]

Black tea: definition, processing and polyphenols

What is black tea? Black tea, like the other types of tea, is an infusion of processed leaves of Camellia sinensis, the tea plant, a shrub that belongs to the Theaceae family. Black tea, a type of fully fermented tea, is the most consumed tea worldwide, accounting for about 78% of the consumed tea. It […]

Green tea: definition, processing, properties, polyphenols

What is green tea? Green tea is an infusion of processed leaves of tea plant, Camellia sinensis, a member of the Theaceae family. It is the most consumed beverages in Asia, particularly in China and Japan. Western populations consume black tea more frequently than green tea. However, in recent years, thanks to its health benefits, it […]

Tea polyphenols: bioactive compounds from leaves of tea plant

Tea polyphenols: from the leaf to the cup The leaves of the tea plant, Camellia sinensis, and tea are rich in bioactive compounds. More than 4000 molecules have been found in the beverage. Approximately one third of these compounds are polyphenols, the most important molecules in determining nutritional value and health benefits of the beverage. Tea polyphenols […]

Green tea benefits for health

Benefits of green tea: science and myths Tea drinking, particularly green tea, has always been associated, at least in East Asia cultures (mainly in China and Japan) with health benefits. Only recently, the scientific community has begun to study the health benefits of tea consumption, recognizing its preventive value in many diseases. Green tea benefits […]

Catechins: definition, structure, green tea, black tea, cocoa

CONTENTS What are catechins? Chemical structure of catechins Catechins in foods Catechins in green and black tea Catechins in cocoa and cocoa products Catechins in fruits, vegetables, and legumes References What are catechins? Catechins or flavanols, with flavonols such as quercetin, and flavones such as luteolin, are a subgroup of flavonoids among the most widespread […]

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