Michigan State University Extension
Preserving Food Safely - 01600280
10/13/97

### Canning Whole Kernel Corn

    GUIDE
    4:12

    CORN--WHOLE
    KERNEL

    QUANTITY:
     An average of 31-1/2 pounds (in husks) of

    sweet
    corn is needed per canner load of 7 quarts; an

    average
    of 20 pounds is needed per canner load of 9

    pints.
    A bushel weighs 35 pounds and yields 6 to 11

    quarts
    -- an average of 4-1/2 pounds per quart.

    QUALITY:
     Select ears containing slightly immature

    kernels
    or of ideal quality for eating fresh. Canning of

    some
    sweeter varieties or too immature kernels may cause

    browning.
    Can a small amount, check color and flavor

    before
    canning large quantities.

    PROCEDURE:
     Husk corn, remove silk, and wash. Blanch 3

    minutes
    in boiling water. Cut corn from cob at about

    three-fourths
    the depth of kernel.

    Caution:
     Do not scrape cob.

    Hot
    pack -- To each clean quart of kernels in a saucepan,

    add
    1 cup of hot water, heat to boiling and simmer 5

    minutes.
    Add 1 teaspoon of salt per quart to the jar, if

    desired.
    Fill jars with corn and cooking liquid, leaving

    1-inch
    headspace.

    Raw
    pack -- Fill jars with raw kernels, leaving 1-inch

    headspace.
    Do not shake or press down. Add 1 teaspoon

    of
    salt per quart to the jar, if desired.

    Add
    fresh boiling water, leaving 1-inch headspace.

    Adjust
    lids and process.

    Recommended
    process time for CORN-WHOLE KERNEL in a dial-

    gauge
    pressure canner.

                      Canner Gauge Pressure (PSI)

                          at Altitudes of

    Style
       Jar    Process  0-      2,001-   4,001-  6,001-

    of
    Pack  Size   Time    2,000ft  4,000ft  6,000ft 8,000ft

    Hot
        Pints   55 min   11 lb   12 lb    13 lb   14 lb

    and

    Raw
       Quarts   85       11      12       13      14

    Recommended
    process time for CORN-WHOLE KERNEL in a

    weighted-gauge
    pressure canner.

                       Canner Gauge Pressure (PSI)

                           at Altitudes of

    Style
        Jar      Process       0-          Above

    of
    Pack   Size      Time         1,000 ft    1,000 ft

    Hot
         Pints     55 min         10 lb        15 lb

    and

    Raw
         Quarts    85             10           15

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