View all text of Subpart E [§ 21.91 - § 21.133]
§ 21.129 - Spearmint oil, terpeneless.
(a) Carvone content. Not less than 85 percent by weight.
(b) Refractive index at 20 °C. 1.4930 to 1.4980.
(c) Specific gravity at 25 °/25 °C. 0.949 to 0.956.
(d) Odor. Characteristic odor.