are
being sterilized, it is necessary to prepare the sirup that is to be
used. For the sweet fruits of Group 1, No. 1 or 2 sirup should be made;
for the sour fruits of this group, No. 2 or 3 sirup; and for the very
sour fruits, No. 4 or 5 sirup. The hard fruits may be canned by this
method with No. 1, 2, or 3 sirup, while the special fruits require No. 4
or 5 sirup. If the fruit is to be canned for pie, it will be advisable
to use thin sirup and then use more sweetening when pies are made.
When the sirup is made by mixing the sugar and water and bringing it to
a boil, the prepared fruit should be dropped into it and cooked. The
fruit should be cooked in the sirup until it may be easily pierced with
a fork or until it is soft. Berries have to be cooked only a few
minutes, while the hard fruits may require from 10 to 15 minutes. The
jars should be placed upright in a pan of hot water while the boiling
fruit from the kettle is poured into them, and as each jar is filled the
rubber should be put in place and the cover adjusted and secured. It is
important to close one jar before filling another, because the longer a
jar remains open the more bacteria will be permitted to enter.
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