It is seen that in every case the cerealine and the embryous membrane
act together, and in an analogous manner; we shall shortly examine their
effects on the digestion and in the phenomena of panification.
PHOSPHATE OF CALCIUM.--Mr. Payen was the first to make the observation
that the greatest amount of phosphate of chalk is found in the teguments
adjoining the farinaceous or floury mass. This observation is important
from two points of view; in the first place, it shows us that this mineral
aliment, necessary to the life of animals, is rejected from ordinary bread;
and in the next place, it brings a new proof that phosphate of chalk is
found, and ought to be found, in everyplace where there are membranes
susceptible of exercising vital functions among animals as well as
vegetables.
Phosphate of chalk is not in reality (as I wished to prove in another work)
a plastic matter suitable for forming bones, for the bones of infants are
three times more solid than those of old men, which contain three times
as much of it. The quantity of phosphate of chalk necessary to the
constitution of animals is in proportion to the temperature of those
animals, and often in the inverse ratio of the weight of their bones, for
vegetables, although they have no bones, require phosphate of chalk.
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