Objective: To compare the chemical composition of volatile oil in 3 herbs of Citrus, tomentose pummelo fruit, red tangerine peel and pummelo peel.

• 橘红、化橘红、橘红珠是三种不同的中药材[1]。橘红为芸香科植物橘及其栽培变种的成熟果皮的外层红色部分；