27 September 2021 Concord Grapes (Processing)

Discussion in 'Fruit and Vegetable Gardening' started by Durgan, Sep 29, 2021.

  1. Durgan

    Durgan Contributor 10 Years

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    27 September 2021 Concord Grapes (Processing)
    Posted on 09/29/2021 by Durgan
    27 September 2021 Concord Grapes
    Picked 180 pounds of Concord grapes from a commercial grower for 20 d0llrs per bushel. Quantity was 4.5 bushels. A full bushel weighs 40 pounds. These will be procesed into juice about 2 pounds of fruit for a liter for around a total of 90 liters. Process is wash, remove substrate, add water to cover,cook in batches of 20 pounds and make a slurry.Strain through a 2mm mesh screen to remove seeds. Place in liter jars and pressure can at 15 PSI for 15 minutes for storge. Pictures delineate the process.

    SLURRY
    This is making the slurry. It took five hours to process the 180 pounds of Concord grapes.
    29 September 202 Concord Grapes Making slurry 29 September 2021 Concord Grapes Making slurry
    The grapes were very mature and sweet. Weight was about 180 pounds. Process: Wash, place on chicken wire mesh and swipe the grapes across to remove substrates. Add water to make drnkable cover. Cook until soft about 20 minutes. Blent with hand blender to make a slurry. Pour in trnsport buckets. This takes about 5 hours to process the 180 pounds of grapes. The next stage is to strain.
    [​IMG]

    STRAINING
    29 September 2021 Concord Grapes Straining 29 September 2021 Concord Grapes Straining
    The slurry is strained Twenty five pound of residue mostly seeds fed to birds over four days. +
    [​IMG]

    The juice is canned in 7 liter jars at one time for an hour each time, the capacity of the canner.
    29 September 2021 Concord Grapes Pressure Canning 29 September 2021 Concord Grapes Pressure Canning
    [​IMG]

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  2. Durgan

    Durgan Contributor 10 Years

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    I have been processing Concord grapes about mid September in Zone 5. The grapes taste sweet when the skin is broken, but the juice is slightly bitter. This year I left picking until near the end of September, and found the juice to be sweet with no bitterness. Conclusion pick Concord grapes in late September in Zone 5. The juice is perfect. IMO.
    Just an observation.
     
  3. vitog

    vitog Rising Contributor 10 Years

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    Durgan, do you process the the juice for an hour under pressure? The (US) National Center for Home Food Preservation recommends a hot water bath for 5 minutes for a quart jar and doesn't say anything about pressure canning. I do my grape juice in a pressure canner set at 6 psi for 5 minutes, and that works well. You probably could reduce your processing time.
     
  4. Durgan

    Durgan Contributor 10 Years

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    I do all vegetable Pressure Canning at 15 PSI for 15 minutes. SLURRY. Experiment has indicated it works. Safe and convenient. Several thousand times used and I am alive ad healthy. Never had any spoilage and ingest some daily.
     
  5. Durgan

    Durgan Contributor 10 Years

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