18. Star anise extract is the flavoring extract prepared from oil of star anise, and contains not less than three (3) percent by volume of oil of star anise.
18a. Oil of star anise is the volatile oil distilled from the fruit of the star anise (Illicium verum Hook).
19. Sweet basil extract is the flavoring extract prepared from oil of sweet basil, or from sweet basil, or both, and contains not less than one-tenth (0.1) percent by volume of oil of sweet basil.
19a. Sweet basil, basil, is the leaves and tops of Ocymum basilicum L.
19b. Oil of sweet basil is the volatile oil obtained from basil.
20. Sweet marjoram extract, marjoram extract, is the flavoring extract prepared from the oil of marjoram, or from marjoram, or both, and contains not less than one (1) percent by volume of oil of marjoram.
20a. Oil of marjoram is the volatile oil obtained from marjoram.
21. Thyme extract is the flavoring extract prepared from oil of thyme, or from thyme, or both, and contains not less than two-tenths (0.2) percent by volume of oil of thyme.
21a. Oil of thyme is the volatile oil obtained from thyme.
22. Tonka extract is the flavoring extract prepared from tonka bean, with or without sugar or glycerine, and contains not less than one-tenth (0.1) percent by weight of coumarin extracted from the tonka bean, together with a corresponding proportion of the other soluble matters thereof.