Sencha for cold brew tea leaves are plucked in the First Flush (first harvest of the year) in Wazuka, Kyoto.
Sencha Production Process:
After harvesting the specific tea leaves, the leaves are immediately steamed and dried to prevent them from getting fermented/oxidized (which would turn the tea into black tea). The dried tea leaves are rolled into tight twists to reduce moisture in the tea leaves to produce the final loose-leaf tea product.
Caffeine: 12 mg
Catechin/Theanin: 0.042 g
Vitamin C: 3.6 mg