الفهرس 
REVIEW OF LITERATUREOnly 14 pages are availabe for public view
 |  | from | 233 |  |  |
| | | from | 233 | | |
Abstract
For many decades, researchers – especially microbiologists and biotechnologists - focused their attention on the use of enzymes as active biomolecules catalyzing almost all types of biochemical reactions taking place inside animals, plants and microbial cells. Now, industrial production of processed food, drugs and pharmaceutical compounds is mainly based on enzymatic reactions (Smith, ١٩٨٧). The most important advantages of
using enzymes as drugs are the great affinity and specificity by which enzymes often bind and act on their targets. Enzymes also catalyze and convert multiple target molecules to the desired products. These features make enzymes specific and potent drugs that can accomplish therapeutic biochemistry in the body that small molecules cannot. These characteristics have resulted in the development of many enzyme drugs for a wide range of disorders (Vellard, ٢٠٠٣). Although plants and animals have been considered to be the source of many commercial enzymes, microbes will always be the main source of hundreds of pharmaceutical and commercial produced enzymes mainly because microorganisms grow fast and hence production of the enzymes.