A
second factor to consider in the digestive process is that each cavity contains
its own distinctive secretions to carry on its specific work of digestion. And at each stage of this process, digestion
proceeds more or less efficiently depending upon the conditions present at each
stage. In other words, the efficiency of
digestion in the intestines is dependent upon the work done in the mouth and
stomach. It is a sequential
operation. For example, if pepsin, the
enzyme secreted in the stomach during the first stage of protein digestion, has
not converted these proteins into peptones due to unfavorable conditions
present in the stomach, then erepsin, the enzyme secreted in the intestine,
will not be able to carry on the final stage of protein digestion – that of
converting the peptones into amino acids.
Each stage of digestion must not be interfered with, if we desire
efficient digestion.
A
third factor concerns the emptying time of the stomach into the intestine. Fruits remain in the stomach an hour or less
when eaten alone. Starches require two
to three hours to complete gastric digestion.
And proteins require approximately four hours. Complex foods, such as dried beans, are
difficult to digest, requiring five to six hours to complete gastric
digestion. The important point is this:
If a food remains in the stomach longer than is normally required, due to an
incompatible combination, the food will likely decompose and nutrition is
impaired.
Considering the
factors of digestion, we may appreciate the importance of food combining and
the potential of creating two very distinct situations when eating: one being
digestion and nutrient enhancement; the other being decomposition of the food,
a form of self-poisoning.
If
carbohydrates are not digested, they ferment, producing poisons such as carbon
dioxide, acetic acid, lactic acid, and alcohol.
And the most important thing to remember is that the alcohol produced
has the same potential for destruction of the liver and other organs, as
commercial alcohol. When proteins are not digested, they putrefy, producing
poisons known as ptomaines.
Anytime
two or more foods are eaten at the same meal, each one requiring opposite
conditions for their digestion, the digestive process becomes less than
efficient. Sometimes digestion is totally
suspended.
The
responsibility for harmonious digestion rests with each of us. Failure to observe the limitations of human
digestion results in mild to severe indigestion and is very likely to be a contributing
factor in causing disease.
(Incompatible combinations
of food will be fully discussed next week in Part 4 – J.P.)
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