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Just found this discussion googling about lemon and citric acid. I have a couple of lemon trees in the backyard that always produced bumper crops that I don't know what to do with. Just checked the boiling point of citric acid (375F) so just boiling the juice from those lemons will keep the citric acid and whatever is in the juice that won't vaporize at 212F for later use. I understand adding some sodium benzoate will help preserve it. I just wonder if adding back water to the concentrate will still make it taste like lemon juice. Anybody have any experience on this?
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