... tea leaf with pesticide residue free. The instant tea powder is ideally suitable to tea beverage, milk tea, ... grade grain alcohol method-- Light yellow, yellowish brown fine powder-- HACCP, ISO9001, ISO22000, ISO14001 certified 1.3 Specifications ... CodeSpecificationsGT-1Instant tea powder Polyphenols≥30%GT-2Instant tea powder Polyphenols≥35%GT-3Instant tea powder Polyphenols≥40% caffeine ...