Bitter orange (Citrus aurantium) is a sour fruit native to Asia. Also called Seville orange, sour orange, or zhi shi, this fruit is usually not eaten whole due to its bitter taste. Instead, different ...

A citrus allergy is rare, caused by a reaction to certain proteins found in citrus fruits like oranges, limes, and lemons. In some cases, you might have a true allergy in which citrus triggers a ...