The invention discloses a production process of extractum belladonnae liquidum. The production process comprises the following steps: digging belladonna
herb, removing impurities, worm damage parts, mildewing parts and non-medicinal parts, washing away
silt,
softening the processed parts in the sun, stacking the softened parts, arranging the products at a shady, cool and ventilated place and
drying the products after sweating of a covering woven bag,
cutting the dried products into sections, and carrying out pulverizing to obtain coarse
powder; putting the belladonna
herb coarse
powder into anextraction tank, adding
ethanol and an acidic pepsase solution and then carrying out airtight impregnation, collecting a primary percolate from an outlet, recovering the primary percolate into a percolating cylinder, controlling the outlet of the percolating cylinder to percolate slowly, and collecting the percolate after complete percolating out of
alkaloid; carrying out ultrasonic extraction onthe percolate, recovering
ethanol till
alcohol smell removing of a soup, and carrying out separation to remove
chlorophyll; continuously concentrating the soup without
chlorophyll into a thick paste,cooling the thick paste to a
room temperature, and then removing
chlorophyll on the surface; stirring and diluting the thick paste with
ethanol, carrying out ultrasonic extraction, and then standingfor
precipitation; taking supernatant after
alcohol precipitation, recovering ethanol, carrying out concentration into a thick paste, and carrying out filtering; and then adding ethanol and
purified water into the
atropa belladonna thick paste to prepare extractum belladonnae liquidum, carrying out filtering, putting the filtered product into a clean container, and carrying out sealing and inspecting.