1, the shape is different.
Citron is smaller than grapefruit, the ripe citron skin is cyan, and the ripe grapefruit skin is yellow or lemon yellow.
2. Different tastes
Citron has little pulp after being cut and tastes very sour and bitter. After grapefruit is cut, the pulp is white or red, with plenty of pulp and water, and it tastes sweet and sour.
3. Different uses
Citron has little pulp and is very bitter, so it is generally used as Chinese medicine. Grapefruit has a lot of nutritional value and pulp, so it is generally eaten directly.
4. The nutritional value is different.
Citron, as a traditional Chinese medicine, can promote gastrointestinal peristalsis and also has expectorant effect. Grapefruit is rich in vitamin C, which can enhance resistance.
The above is to introduce the difference between citron and grapefruit, I hope it will help you.