Michigan State University Extension
Preserving Food Safely - 01600323
08/03/99

GRAPE JUICE


QUANTITY: An average of 24-l/2 pounds is needed per
canner load of 7 quarts; an average of 16 pounds per canner
load of 9 pints. A lug weighs 26 pounds and yields 7 to 9
quarts of juice--an average of 3-1/2 pounds per quart.

QUALITY: Select sweet, well-colored, firm, mature
fruit of ideal quality for eating fresh or cooking.

PROCEDURE: Wash and stem grapes. Place grapes in a
saucepan and add boiling water to cover grapes. Heat and
simmer slowly until skin is soft. Strain through a damp
jelly bag or double layers of cheesecloth. Refrigerate
juice for 24 to 48 hours. Without mixing, carefully pour
off clear liquid and save; discard sediment. If desired,
strain through a paper coffee filter for a clearer juice.
Add juice to a saucepan and sweeten to taste. Heat and stir
until sugar is dissolved. Continue heating with occasional
stirring until juice begins to boil. Immediately fill
juice into hot sterilized jars, leaving 1/4-inch headspace.
(Use the following directions for sterilizing pint and quart
jars. Sterilization of half gallon jars is not necessary).
Adjust lids and process.

Sterilization of Empty Jars

To sterilize empty jars, put them right side up on the
rack in a boiling-water canner. Fill the canner and
jars with hot (not boiling) water to 1 inch above
the tops of the jars. Boil 10 minutes at altitudes of less
than 1,000 feet. At higher elevations, boil 1 additional
minute for each additional 1,000 feet elevation. Remove and
drain sterilized jars one at a time as filled.

RECOMMENDED PROCESS TIMES FOR GRAPE JUICE
IN A BOILING-WATER CANNER 
           

                     Process Times at Altitudes of           

Style                                                        

of     Jar            0-        1001-      over              

Pack   Size           1000 ft.  6000 ft.   6000 ft.          

Hot    Pints          5 min.    10 min.    15 min.           

Hot    Quarts         5         10         15                

Hot   Half-gallons   10         15         20


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