The ideal laxative : cascara evacuant / Parke, Davis & Co.

  • Parke-Davis
Date:
[1930?]
Catalogue details

Licence: Public Domain Mark

Credit: The ideal laxative : cascara evacuant / Parke, Davis & Co. Source: Wellcome Collection.

    6/16 page 4
    In the manufacture of satisfactory cascata products certain precau- tions have to be taken. Only the true Rhamnus Purshianus — not Rhamnus Californica—will serve the purpose, and this must be properly gathered, handled and dried. The bark is stored in our drug lofts for two years—the object being to eliminate the griping ferment which renders preparations of the green drug undesirable, and to get tid of useless moisture by evaporation. The manufacturing process de- mands the exercise of great care, if the resulting product is to be distinguished by excellence. The marked preference for our cascara preparations that has always been so evident can only be explained
    No text description is available for this image
    No text description is available for this image
    No text description is available for this image