Estimation of secondary metabolites in different tea and coffee brands from Indian market

Abstract

In present study, different tea & coffee brands were analyzed and compared for their phenol, tannin & caffeine content. The product having highest phenol contents was Nescafe (5.03%). The products having least tannin contents were: Taj Mahal tea (3.99%), Mili tea (3.99%). Remaining product as: Wagh bakri, Red label, and Nescafe showed almost same percentage of tannins in range 4.50-5.50%. Among various tea & coffee brands, Bru had maximum quantity (9.65%) of tannin. Mili tea was containing highest quantity (1.72%) of caffeine among all the studied products.