Which type of acid do lemons contain?

If you've ever cut yourself and then accidentally exposed the wound to lemon or lime juice, you know how acidic these fruits are. In fact, of all citrus fruits, lemons and limes have the highest citric acid content -- about 1.4 grams per ounce, or about 8 percent of their dry weight. read more

The citric acid found in lemons and limes is much more plentiful than that of grapefruits and oranges. According to the National Institutes of Health, fresh-squeezed juice from lemons contains 1.44 g of citric acid per ounce, and lemon juice concentrate contains 1.10 g per ounce. read more

In fact, of all citrus fruits, lemons and limes have the highest citric acid content -- about 1.4 grams per ounce, or about 8 percent of their dry weight. Lemons and limes also contain ascorbic acid, or vitamin C, an essential nutrient you need in your diet, and malic acid. read more

Lemons and limes have particularly high concentrations of the acid; it can constitute as much as 8% of the dry weight of these fruits (about 47 g/L in the juices). read more