Russian Caravan for the greater expense and difficulty of its carriage by this route. Anecdotal evidence had it that during the camel caravan journeys, the teas took on the smoky taste of the campfires. Only the lapsang souchong (if present) in the blend, however, is actually smoke-dried. Some blends use yunnan black tea, together with keemun and lapsang souchong to achieve full bodied, strong copper colored, smokey, and heavy flavored tea with a smooth and mellow aftertaste. Russian Caravan Russian Caravan is a blend of oolong, keemun, and lapsang souchong teas, all produced from "Camellia sinensis" the Chinese tea plant. It is
Camellia sinensis there is no high-quality evidence that tea confers significant benefits. In clinical research over the early 21st century, tea has been studied extensively for its potential to lower the risk of human diseases, but none of this research is conclusive as of 2017. Caffeine is a molecule produced in "Camellia sinensis" and functions as a secondary metabolite. Caffeine is a purine alkaloid and its biosynthesis occurs in young tea leaves and is regulated by several enzymes. The biosynthetic pathway in "C. sinensis" differs from other caffeine producing plants such as coffee or guyausa. Analysis of the pathway was carried out