Page 100 - The Miraculous Machine that Works for an Entire Lifetime: Enzyme

Harun Yahya

As you shall shortly see in some detail, pancreatic juice and its

special enzymes enter the duodenum by way of the pancreatic duct and
make the pH level more alkaline. In the duodenum, enzymes enable
fats to be broken down. The fat-dissolvers manufactured in the pan-
creas accelerate the digestion of foods by accumulating here. Pancreatic
juice contains trypsin, a particularly powerful enzyme, which enters
the duodenum in an inactive form, trypsinogen. This is activated by an
intestinal enzyme which is triggered solely in the presence of food, and
turns into trypsin, which breaks down the peptide bonds of polypep-
tides into smaller peptide fragments. Trypsin also breaks down large
protein molecules that have not been affected by the pepsin in the

stomach.
Secretory glands in the duodenum walls also release other en-
zymes that separate peptide bonds. The bonds that form molecules are
torn apart and the final products that emerge as the result of protein di-
gestion are amino acids, the fundamental building blocks of all pro-
teins.
Fats ingested with food are also digested in the small intestine.
However, they arrive in the form of small fat droplets. The enzyme li-
pase involved in fat digestion cannot act on fats when they remain in
that state. This is where bile juice enters the equation. Bile is secreted by
the liver and stored in the gall bladder, and contains no digestive en-
zymes. Bile salt present in the bile juice breaks down fats into smaller

globules and prepare them to be digested by the enzyme lipase. Up to
90% of bile salt is absorbed as it passes through the lower region of the
small intestine, and is then routed back to the liver to be used again for
digestion.
Once the bile juice has done its job, fat-digesting enzymes then
have their turn. The enzyme lipase in the pancreatic juice acts on fats
and converts them into fatty acids and glycerol.
Throughout this process, hundreds of precautionary steps are tak-

98