black tea extract

Black tea extract is a concentrated preparation derived from the fermented leaves of the Camellia sinensis plant, commonly used as a dietary supplement or ingredient in functional foods. Its primary constituents include polyphenols (notably theaflavins and thearubigins), caffeine, tannins, catechins, gallic acid, and various other secondary metabolites[2][5][8]. Black tea extract is purported to have antioxidant, anti-inflammatory, and potential cardioprotective effects, with research indicating possible roles in reducing the risk of cardiovascular disease, obesity, hyperlipidemia, diabetes, and certain cancers[2][8]. The mechanism of action is chiefly attributed to the polyphenolic content, which modulates oxidative stress, influences metabolic pathways, and may alter drug-metabolizing enzyme activity[8][10]. The extract is primarily used as a dietary supplement and functional food ingredient rather than a regulated pharmaceutical agent. Quality, ingredient composition, and potency can vary across commercial products, and regulatory oversight is limited compared to pharmaceuticals[1].

Other names

black tea extractCamellia sinensis extractblack tea polyphenol extractblack tea