Add scented tea such as Siraitia grosvenorii. Fujian Tulou Yanggan Tea is sweet because it contains scented tea such as Siraitia grosvenorii. Siraitia grosvenorii is a valuable Chinese herbal medicine with dual functions of medicine and food. Its mogroside content is 300 times sweeter than sucrose, and it does not produce heat. The sweetness of Fujian Tulou Gan Yang tea comes from the natural sweetener in Siraitia grosvenorii, which provides valuable raw materials for the beverage and candy industries. Therefore, Fujian Tulou Gan Yang tea tastes sweet.