Sencha is a popular green tea in Japan. The leaf is steamed, dried and rolled. The resulting infusion is relatively a pale, jade greenish yellow with a high Vitamin C content. It has a shiny and a flat long glossy leaf appearance. Jade Green Sencha tea is high in polyphenols, but low in caffeine. The taste is delicately dry with a mixture of subtle sweetness, mild astringency, and fresh green scent. 25 Count Tea Bags. Contains Caffeine.