The adjustment of the
grinding rolls is regulated by the notched head at the end of the
vertical shaft.
24. ADULTERATION OF COFFEE.--As in the case of numerous other foods,
attempts are often made to adulterate coffee. Since the Pure Food Laws
have been enforced, there is not so much danger of adulteration in a
product of this kind; still, every housewife should be familiar with the
ways in which this beverage may be reduced in strength or quality, so
that she may be able to tell whether she is getting a good or an
inferior product for her money.
Coffee may be adulterated in a number of ways. Ground coffee is
especially easy to adulterate with bread crumbs, bran, and similar
materials that have been thoroughly browned. Many of the cheaper coffees
are adulterated with chicory, a root that has a flavor similar to that
of coffee and gives the beverages with which it is used a reddish-brown
color. Chicory is not harmful; in fact, its flavor is sought by some
people, particularly the French. The objection to it, as well as to
other adulterants, is that it is much cheaper than coffee and the use of
it therefore increases the profits of the dealer.
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