OCR Interpretation

The day book. (Chicago, Ill.) 1911-1917, March 12, 1912, Image 9

Image and text provided by University of Illinois at Urbana-Champaign Library, Urbana, IL

Persistent link: http://chroniclingamerica.loc.gov/lccn/sn83045487/1912-03-12/ed-1/seq-9/

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f 'All the-materials taken'into the
stomach as food are hot dissolved
and assimilated and do not all
take, part in the true functions of
foods. These residues are some
times called was'te materials, but
this Is not, in my opinion, a cor
rect designation. A 'waste v ma
terial is one which has no use adt
which should' be consigned with
out further cpnsideration tb the
dietetic scrap "heap.
The nourishing materials of,
foods are carried in containers
which in themselves-are-more or
less indigestible. These contain
ers are usually thin-walled ves
sels, packed close together, and
arejconfposed chiefly 6i Cellulose,
Inasmuch as the digestive sys
tem, ofman'hs beendevelpped
according to the accepted princi
ples of'scientjfic eyolution it has
61 'course adapted itself to'the ma
terials which have taken, part ,in
fts development, hence the'dis
posal of the so-tailed waste ma
terial is a natural function of the
body and this material in foods is
a necessary and natural ingred
ient hereof.
The principle function' of these
indigestible, materials is to main
tain, a proper distention f the ali
mentary tract' and stimulate a
proper movement thereof which
is necessary to the? health and
well being; of the individual. It
might have been possible to de
velop a race of animals -in which
all of the food indigested would
fyave "been dissolved and 'assimi
lated and the .residue i totally"
buVjned in the body so 'that there
would have'heen iyvneed forex-
cretions of any kind, but - this?
would hayfe implied a fpod.of
peculiar composition and without?
the necessary containing walls to
maintain it in form and'.property.f
S.uch a development of an animal
therefore, has not taken place.
Foods do not all have the same3
quantitynpr kind of filler-or in
digestible matter. Natural foods,
whjch we findjn.fruits and vege
tables contain in addition to the
cellulose, other bodies of a nature
which prevents., their entire solu
tion 'and absorption. For in
stance, the' kernel of seed of vege
tables or fruits is quite" different
in its character from the flesh
itself and 'contains indigestible
matters of a different character
In the case of cereals, the bran
or outside covering, which is- to
some extent indigestible, is quite
different in character from the
cellulose of fruits and vegetables,
being composed largely of nitro
genous matter., sp that there are
some forms of nitrogenous y and
mineral matters which in addi
tion to cellulose form the bulk of.
the filling materials of foods.
Again, the cellulose hodfes, are of
different kinds, some celluloses'
being partially digestible- andt
others being more or less indi
gestible. There are certain mineral-mats

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