Abstract :
Enzymes are act as biological catalysts. They participate a very important function in the
utility of cells and activates of an organism. Enzymes are soluble in water and dilute alcohol
concentrated alcohol concentrated alcohol precipitates them. Enzymes activity is reduced by
formaldehyde, free iodine, heavy metals and tannins. Proteins are compound nitrogenous organic
substances of plant and animal derivation. They are of great importance in the functioning of
living cells. They are produced by and associated with living matter. In animals they are present as
structural material in the form of collagen keratin, casein and plasma proteins. Here we described
the enzymes and protein containing crude drugs.
Keyword :
Enzymes, plasma, animal origin, plant, keratin, casein