It's made by mixing the pericarp of the yuzu citron with green chili when the pericarp is green and with red chili when it's ripened in yellow, and then salt is added and the result is either green or red in color.
これは柚子の皮に、皮が青い時は青唐辛子を、黄色く熟している時は赤唐辛子を、そして塩を混ぜて作るもので、緑色または赤色をしている。