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Orange (English: Mandarin orange;; Scientific name: Citrus reticulata) is a fruit of Rutaceae Citrus. "Ju" (jú) and "Ju" (jié) are both standard characters in modern Chinese. However, when "Ju" is synonymous with orange, it is a vulgar writing of "Ju". In some dialects in Guangdong, the two characters are homonyms, and "orange" has also been the abbreviation of "orange". In Minnan dialect, oranges are called tangerines. It is called "Ganzi" or "Ganer" in the dialects in the southwest Mandarin area.
Vitamin A in oranges can also enhance human vision in dark environment and treat night blindness. Oranges should not be eaten too much. If you eat too much, you will suffer from carotene, and your skin will be dark yellow, just like jaundice. If the palm turns yellow due to eating too many oranges, as long as you stop eating for a while, your skin color will gradually return to normal. In the Ming Dynasty, Zhang Daiji's uncle Zhang Yefang had a special liking for oranges. According to the report, he "liked oranges, and when they were ripe, he piled up his bed. Those who were nothing but oranges did not give it to himself, so he did his best to peel them off." His hands and feet were yellow when he ate them.