Then crude preparations from certain animal tissues such as pancreas and stomach mucosa, or from plant tissues such as malt and papaya fruit, were prepared which found technical applications in the textile, leather, brewing, and other industries.
Thencrude preparations from certain animal tissues such aspancreas and stomach mucosa, or from plant tissuessuch as malt and papaya fruit, were prepared whichfound technical applications in the textile, leather,brewing, and other industries.