| Sorb apple berries contain large amounts of malic acid that aid water retention. |
| In some species, there may be oscillations of citric acid in addition to malic acid. |
| Some organic acids, however, are quite strong, such as citric acid in citrus fruit, malic acid in apples, and acetic acid in vinegar. |
| From malic acid, by fermentation, or by digestion with hydriodic acid in sealed tubes. |
| The malic acid contained in them neutralises the chalky matter which causes the gouty patient's sufferings. |
| In mature tomato, glucose and fructose constitute the major sugars, and citric and malic acids are the major organic acids. |
