You can freeze them for about 2-3 months (depending on your freezer) without changing the texture or taste too much. If your grapes get frosty in the freezer they will probably be bad to taste.
To freeze fresh squeezed orange juice, pour the juice into a sturdy freezer container with a lid. Leave some room at the top. Put it into the freezer. To thaw the juice, put it in the refrigerator.
For purposes of baking there is no real difference. The lemon juice from the green bottle if you read the label, you will see that it is from concentrate, and fresh squeezed is exactly that, fresh squeezed.
Fresh squeezed orange juice typically lasts for about 2-3 days when stored in the refrigerator before it starts to spoil.
The substitution for 1 fresh squeezed lemon using lemon juice concentration is 1 TBS.
We freeze fresh squeezed orange juice all the time. I suspect grapefruit juice is the same.
tartaric acid
Freezing fresh squeezed juice in an ice tray is indeed the best way to freeze fresh-squeezed juices, which are essential to quality cocktails. I just wanted to note that a standard size ice cube is approximately 1oz juice, which makes measuring for cocktails especially easy. Zap a cube in the microwave for 30 seconds to thaw.
You can make fresh squeezed orange juice or orange marmalade jelly from oranges.
Yes, you can freeze fresh squeezed orange juice for later use. Just make sure to store it in an airtight container and leave some space at the top for expansion. Thaw it in the refrigerator when you're ready to use it.
Grape Juice
water can help make it less bitter try to water it out
Yes gold grape juice is yellow