| Walnuts, chestnuts, apples, Chinese grapefruits and oranges each added their stamp of approval to that celebration. |
| Other fruits like limes, pomelos, and seville oranges 6 often used to make marmalade 6 also interact with the enzyme in the way that grapefruits do. |
| Citric acid is an organic acid found in nearly all citrus fruits, particularly lemons, limes, and grapefruits. |
| The anti-oxidant can also be found in other fruits and vegetables including watermelons, apricots and pink grapefruits. |
| The tiny humans, who had skulls about the size of grapefruits, lived with pygmy elephants and Komodo dragons on a remote island in Indonesia 18,000 years ago. |
| This category included lemons, oranges, mandarins, tangelos, and grapefruits, with lemons being the most common type. |
