In 1995 lime oil imports, sourced mainly from Mexico and Peru, grew by 19 and 28 percent in volume and value over 1994 figures. Similarly, the import value of all other citrus oils, including mandarin and tangerine oils, increased 48 percent during the same period, whereas the volume increased by 32 percent. Mixed Results for Other Oils As in the case of citrus oils, the United States is both a producer and an exporter of mint oils. Imports of spearmint oil decreased 17 percent in volume and 3 percent in value in 1995. Cassia oil is derived from the bark of the cassia laurel, a plant related to cinnamon.
Cassia oil has a stronger, less delicate taste than cinnamon but is less expensive.
It is an important ingredient in some soft drinks in the United States. Although the volume was slightly less than in 1994, the value dropped by 16 percent, falling to its lowest point in the last four years. China is the main supplier of cassia oil to the United States, followed by Japan. Citronella oil, valued for its lemony fragrance, experienced a great increase in demand in 1995. China was the leading supplier, followed by Indonesia and India.