Honolulu star-bulletin. [volume] (Honolulu [Oahu, Hawaii]) 1912-2010, 1915-09-20
WATCH YOUR ICE
Literary Digest for September
Contains Interesting
Article

Under the heading Watch You
Ice" The Literary Digest explains
that ice is not necessarily pure
just because ii is cold. 1t may
! contain the germs Of disease Ice is
used with food for two purposes-tr
cool 1t and 10 eat. II 1t Is nsed simply
as a cooling agent. as in a refrigera
tor. without touching the food. it may
be very dirty without doing harm, al
though even then one would prefer To
keep II clear of disease-germs: But j.
1t is to be eaten. or to come into con
tact in any way with food or drink
then II should be absolutely pure. Tho
different methods OF Reproduction
and the ways In which. ice may be,
come dirty or infected, are clearly de,
scrihed in an article published In The
Nurse baltimore, Augnst), SAYS the
writer:
while II is unusual abroad to place
ice In drinks and food, 1t is the uni.
yersal custom in our country to drinS
ice-water, TO use crushed ice i'm our
soft and other drinks, and to apply
It directly to foods which are eaten
cold or uncooked.
1T is used in every household and
has come into contact with many OF
our foods before we secure them,
Sanitarians and Intelligent pehple
generally now know the important
part played by food in conveying the
infection of preyentible diseases, such
as typhoid fever, dysentery, and other
intestinal diseases. Some outbreaks
OF these diseases have been attTib
uted 70 ice, and It seems pertinent.
therefore, to decide whether there be
danger to the individual In the use
OF this important article of diet.
THE various methods or cooling
the brine or other Substances in ice,
machines do not necessarily affect the
sanitary qualities of the Ice, but the
two. methods or applying water to be
frozen are quite important. They are
called the can and the plate meth
DDS. In the former method water Il
placed IN cans submerged in brine
maintained below o. G. and kept there
for time, dependent apen the size
of the can. s.s ~ - -
A. AS has been stated, freezing eXpels
almost all Of the impurities, but az
the can Is full the impurities present
are impelled toward the center and
top of the can as the surfaces nearest
the brine freeze first. Even air causes
cloudiness, and the presence OF iron
salts q red and OF lime and spagHe
sitmi d whitish core. TO obyfate this
and secure pure, clear ice, the water
Is generally distilled. the water nor,
the condensers furnishing over hal:
OF the amount necessary. or course.
distilIation destroys all disease organ.
isms present in the water. h..
Recently, however, in one system
the cans have been made larger ant
an air-pipe passed down the center.
the cakes later being cut into smaller
ones, eliminating the dirty core. 4
Elm another eaneystefp, about six
inches Of water Is kept fluid BY agita.
tation by airpipes, and thus j LIQUID
remains into which impurities are ex'
PEELED. ;... "a
Both Of these systems are held t.
eliminate the necessity for !distillation
OF water, and this Is a fact to be re.
membered :. F.. Z
The Hawaiian Electric Company use
the agitation System in the manu-.
facture Of their Crystal Ice which
they furnish for household purposes;
besides this the water from which the
Ice Is manufactured is first distilled
and then filtered. which in conjunction
with the agitation System" of freez.
ing insures an ice that is absolutely
pure and sanitaly adv - Fl ! 4