Home-canned grape juice is delicious and tastes nothing like the store bought. You can sweeten it to taste.
You can home-can grape juice in jar sizes ranging from a pint to 2 quarts (half-litre to 2 litres).
If you go for the larger jar size, make sure to store the jars on very sturdy shelving.
Quantities of grapes needed
Numbers are approximate guidelines.
On average, as a very rough guideline, expect to need about 1.5 kg (3.5 lbs) of grapes per 1 litre (US quart) jar of canned grape juice
11 kg (24.5 lb) of grapes = 7 litres (US quarts) canned grape juice
7 kg (16 lbs ) of grapes = 9 x half-litres (US pints) canned grape juice
1 lug grapes = 12 kg (26 lbs) = 7 to 9 litres (US quarts) canned grape juice
Jar size choices: Either half-litre (1 US pint) OR 1 litre (1 US quart) OR 2 litre (2 US quart)
Processing method: Water bath or steam canning
Headspace: 1 cm (1/4 inch)
Processing time: Half-litres and litres (pints and quarts) 5 minutes; 2 litres (quarts) 10 minutes
How to safely home can grape juice using the tested USDA method.
Wash and stem grapes.
Put grapes in sauce pan.
Crush with potato masher or similar device.
If there's not enough juice to cover the crushed grapes, add just enough boiling water from a kettle to cover the grapes.
Heat pot to a boil, then lower to a simmer and simmer uncovered for 10 minutes, until the grape skins are soft.
Strain through either a double-layer of cheese cloth, or a jelly bag.
Discard skins and sediment.
Put juice in covered containers in the refrigerator and let stand there for 24 to 48 hours.
Carefully pour juice into a pot, being careful not to disturb the sediment at the bottom of the containers.
Taste the juice cold, see if you want to sweeten it.
If so, do so now to taste.
Heat juice, stirring occasionally, until it comes to a boil.
Ladle hot juice into jars. (See note on special jar sterilization.)
Leave 1 cm (1/4 inch) headspace.
Wipe jar rims.
Put lids on.
Process in a water bath or steam canner.
Process half-litres and litres for 5 minutes; 2 litre (quart) jars for 10 minutes. Increase time as needed for your altitude.
How to water bath process.
How to steam can.
When water-bath canning or steam canning, you must adjust the processing time for your altitude.
For stevia, Better Stevia liquid stevia was the stevia used.
If you will be processing the juice for 5 minutes (as you will for the half-litres and litres / pints and quarts), you must sterilize the jars first.
Alternatively, simply increase the processing time to 10 minutes for these two jar sizes. This negates the need for jar sterilization because the rule for home canning is that anything being processed 10 minutes or over (or pressure canned) does not need its jar sterilized: the processing time will look after that.
Special jar size note
Home-canned grape juice is one of only two recommended uses for the 2 litre / quart jars in home canning. The other use is apple juice.
- USDA Complete and Ball / Bernardin Complete have you crush the grapes. So Easy to Preserve omits that step.
- If you don’t have a potato masher, you possibly could chop in a food processor and put into pot, because while an electric blade is damaging to pectin, we don’t care about pectin here.
- When you are pouring the chilled grape juice into a pot, if you wish you may strain it a second time through a coffee filter for a clearer juice but note that this can be an extremely slow process that takes hours.
- Letting the juice stand in the fridge serves a few purposes. It allows sediment to settle, and, it deals with “tartrate crystals” : “During storage white crystals often form in the bottom of the jar. They are tartrate crystals and are harmless. However, you can prevent tartrate crystals by allowing the prepared juice to stand 24 to 48 hours in the refrigerator.” Grapes and Grape Juice. Penn State Extension. 23 August 2012. Accessed Sept 2016.
- When you are reheating the juice for canning, Penn State Extension emphasizes why you want to fully reheat it: “Occasionally grape juice will ferment. This is likely the result of yeasts that were not killed during heating and processing. Grapes are high in yeasts and the peel is not removed as in some fruit. The processing of grape juice is only killing organisms in the headspace and providing a firm seal. Heating the juice adequately before pouring it into the jar is essential for destroying microorganisms.” Ibid.
- Yes, you have to remove the stems before starting, or it will adversely affect the taste of the juice: “Initially, the stem (or stalk) is removed due to the large amount of tannins contained within.” Kyle Dwyer, Farah Hosseinian, & Michel Rod. Market Potential of Grape Waste Alternatives. Journal of Food Research; Vol. 3, No. 2; 2014. Page 92.
- If you want to sweeten the juice and are using liquid stevia to sweeten, try about 1 to 1.5 teaspoons per litre / quart for sweetening.
- United States Department of Agriculture (USDA). Complete guide to home canning. Agriculture information bulletin No. 539. 2015. Page 2-15.
- Andress, Elizabeth L. and Judy A. Harrison. So Easy to Preserve. University of Georgia Cooperative Extension. Bulletin 989. Sixth Edition. 2014. Page 45.
- Kingry, Judi and Lauren Devine. Ball / Bernardin Complete Book of Home Preserving. Toronto: Robert Rose. 2015. Page 190.
Per 1 cup (250 ml / 8 oz), no sugar added
- 251 calories, 8 mg sodium
* Nutrition info provided by https://caloriecount.about.com
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