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Food fraud is a concern for the producers of high‐quality food products as it causes brand damage and loss of profit. Tea (Camellia sinensis L.) is one of the major agricultural products of Sri Lanka and accounts for more than 300 million of kilograms per year, roughly 2% of the national GDP. Trace metals and stable isotope ratios in tea samples originating from various regions in Sri Lanka were determined...
Effects of dhool (particles resulting from rolling of green leaf) fermented for varying durations, black tea and the rejected fraction in black tea manufacture which is known as ‘broken mixed fannings’ (BMF) as raw materials on the physicochemical and organoleptic properties of instant black tea were studied. Total polyphenols and theaflavins contents of instant black teas prepared by using fermented...
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