The Manufacture of Tomato Products: Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulpHier, W. G. (Wayland Gladstone)
Science
The Manufacture of Tomato Products: Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulp
Hier, W. G. (Wayland Gladstone)
Tomato products
Rotary fillers are being used quite commonly for catsup now, and they do
the work rapidly, with little waste, and with a small labor outlay per
gross for bottling. The more simple types of fillers, operated either
with a foot or hand lever, are less expensive, and also do the work
quite well, although not as rapidly as the rotary fillers.
The empty bottles should be washed in hot water on a rotary bottle
washing machine, and filled directly after washing if an
after-sterilization is to be used. If the catsup is not to be processed
after bottling, the empty bottles should be given a hot air
sterilization after they are washed, and the bottles conducted to the
filling machine from the sterilizer.
If an automatic rotary filler is used, the bottle capping machine is
usually regulated to operate at the same speed as the filler, and the
whole line becomes automatic. The type of closure most commonly used now
is the crown style, either plain or of the self-opening type. The cork
is getting to be a thing of the past for catsup. These closures come
either with a composition cork insert or with a solid cork insert, the
former being a little cheaper, and for catsup it is just as good. For
chili sauce, or any bottle having a wide mouth, I do not like the
composition cork insert, as the vacuum produced in a wide-mouthed bottle
on cooling is too great a strain on the composition, and is apt to cause
it to crack. For narrow-mouthed bottles such as catsup, the composition
cork is all right.
Washing the Filled Bottles
Whether or not an after-sterilization is used, the filled bottles should
be run through a warm water bath immediately after sealing to wash off
any catsup which adheres to the outside of the bottle before it has a
chance to bake on. If this water bath has a couple of jets of compressed
air entering it to keep the water vigorously agitated, the bottles will
come out nice and clean. Of course, a continuous flow of clean water
must be allowed to pass into the bath, with an overflow at the opposite
end. If bottles of catsup are put into processing tanks with catsup
adhering to the outside of the bottle, the soluble part of the catsup
will be dissolved in the process water but there will be flakes of
insoluble tomato fiber floating in the process water everywhere, and
these will bake on the bottles so hard that it is very hard to remove.
After a few days this condition in the process tanks becomes very bad,
and the bottles become increasingly hard to clean. If the bottles are
clean when they are put into the tanks, and the tanks are clean, they
will come out of the tanks clean and ready to be labeled.
Processing
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