Pineapple juice is typically frozen for one of two reasons: You need to use it in a frozen state or you just have too much of it and don't want it to go to waste. Fresh and canned pineapple juice are frozen in the same manner. When done properly, taste and quality should not be affected.
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Freezing Juice for Frozen Treats
Ice cube trays are perfect venues for making miniature frozen pops. Simply pour the pineapple juice into the tray, place in the freezer and add a toothpick or a halved popsicle stick when almost solid. Similarly, freeze juice into cubes for use in punch or juice drinks. Add a maraschino cherry or fresh blackberry to each cube of juice before freezing for fun and color. Use uncovered, frozen juice within two weeks to avoid "freezer taste."
Freezing Juice to Save It
Pineapple juice can be frozen in any freezer-safe plastic, glass or metal container with a snug lid. It can also be carefully poured into a freezer bag and frozen while laying flat. This allows you to conserve freezer room as you can slide it into any extra space once solid. If you don't have help, you may want to use a funnel when filling the bag. Add juice until the container you use is 90 percent full to allow for expansion. Label your container "pineapple juice" and the date frozen. Use within 8 to 12 months for best juice quality. Thaw juice overnight in the refrigerator or submerge for 30 minutes in a large container of hot water, in which the hot water is replaced every 10 minutes. Thoroughly stir pineapple juice after thawing to avoid a change in texture.