The principal sources of d-limonene are the oils of orange, grapefruit and lemon (Verghese, 1968). It is the main volatile constituent of citrus peel oil, and the collected volatile portion of oil is usually referred to as d-limonene in the trade (Gerow, 1974).

What is limonene used for?

Limonene is a chemical found in the peels of citrus fruits and in other plants. It is used to make medicine. Limonene is used to promote weight loss, prevent cancer, treat cancer, and treat bronchitis. In foods, beverages, and chewing gum, limonene is used as a flavoring.

Is there limonene in oranges?

Limonene is a chemical found in the rind of citrus fruits, such as lemons, limes, and oranges. It is especially concentrated in orange peels, comprising around 97% of this rind’s essential oils ( 2 ). … Limonene is one of the most common terpenes found in nature and may offer several health benefits.