Bitter orange (Citrus aurantium) is a sour fruit native to Asia. Also called Seville orange, sour orange, or zhi shi, this ...

Seville oranges are sold in the last three weeks of January. Bitter (Seville) oranges are classically used in cooking, not just in marmalade but also in dishes such as Duck à l’orange.

Bitter orange, also known as Seville orange or sour orange, is a citrus fruit native to East Africa, the Arabian Peninsula, Syria, and Southeast Asia. This fruit is so sour that it's hard to eat ...

Oranges are tropical fruits in season during the winter months. So while most other fruit trees fall into hibernation, the ...

Seville oranges are much stronger and more sour than ordinary eating oranges, so they lend a fantastic flavour to this traditional English marmalade recipe. Equipment: You will need eight 300ml ...

from the Chinese mandarin to the Seville orange. The study, published in Nature journal, found that modern citrus trees derive from several natural species found in a region that includes the ...