A field convenient jacketed leaf inactivator for green tea processing, comprising: a) a treatment tank (1) having a removably fixed external jacket (2), charactersied in that, the said jacket(2) being provided with means (3 inlet ,outlet 4) for thermic fluid, b) the said treatment tank being provided with removably fixable means (5, 6) for charging (5) and discharging (6) of the shoot material, c) a shaft (7) having impellers (9) and material collecting bowls/blades (10) and connected at the center of the said treatment tank, and d) a heating device (13) placed below the said external jacket to heat the thermic fluids.
