皺紫蘇全草含揮發油約0.5%, 內含紫蘇醛(Perillaldehyde)約55%, 左旋檸檬烯(l-Limo- nene)20%~30%及α-蒎烯(α-Pinene)少量.還含精氨酸、枯酸(Cumic acid)、矢車菊素-3- (6-對香豆醯-β-D-葡萄糖甙)5-β-D-葡萄糖甙[Cyanidin-3- (6-p-Coumaroyl-β-D-gluco- side) 5 -β-D-glucosi- de].葉的揮發油中含異白蘇烯酮(Isoegomaketone)等.尖紫蘇全草含揮發油, 內有異戊基-3-呋喃甲酮(Isoamyl-3-furyl ketone)、紫蘇醛、α-蒎烯(α-Pinene)及β-蒎烯(β-Pinene)、d-檸檬烯、l-芳樟醇(l-Linalool)、莰烯(Camphene)、薄荷醇(Menthol)、薄荷酮(Menthone)、紫蘇醇(Perilla alcohol)、二氫紫蘇醇(Dihydroperilla alcohol)、丁香油酚(Eugenol)