After that, many types of citrus such as Chinese oranges and koji (citrus, thin skin mandarin oranges) were imported from China, however, they were mainly used as medicine rather than for food.
その後も中国からキンカンやコウジ(柑橘類)（ウスカワミカン）といった様々な柑橘が伝来したが、当時の柑橘は食用としてよりもむしろ薬用として用いられていた。