Is a colorless to pale yellow or greenish-yellow oily liquid, pure Fu mint aroma, spicy and cool, strong channeling through. A large number of colorless crystals precipitate at lower temperatures. Stored falling deep color gradient, the gradient of mass stick. Soluble in water, alcohol, ether, oxygen, etc., in any mix can. Mainly used in cakes, chewing gum, rum, tobacco, etc.. Also the raw material for the production of menthol.