Under the same condition, the volatile rate of menthol and borneol in granule is four times as fast as that in lozenge, and the volatile rate of borneol is faster than that of menthol.

• 在相同条件下,薄荷脑和冰片在颗粒中的逸散速度较片剂快约4倍,并且冰片的逸散速度较薄荷脑稍快。