L (-) - Carvone, also known as L (-) - Carvone, is a light yellow clear liquid with the chemical name 2,3-dimethyl-5-isopropenyl-cyclohexanone-1. Its molecular formula is C10H14O, molecular weight is 152.1904, and CAS number is 6485-40-1. It has a lingering orchid fragrance, with an optical rotation range of -57~-61, a density of 0.959~0.963 g/cm ³, a boiling point of 227-230 ° C, and is insoluble in water but soluble in 70% alcohol solution [1-2] [4-5] [7]. This substance is mainly used in the food industry for flavoring chewing gum, peppermint candies, and gummy candies. It is also used in the pharmaceutical industry as a mud compress, oral cooling agent, and toothpaste flavoring ingredient

1) Food industry: As an edible spice, L-carvacrol is commonly used in condiments, candies, baked goods, alcoholic beverages, and other products. It can endow food with special aroma characteristics and enhance product flavor. It is also used in chewing gum and toothpaste to provide a refreshing taste.
 
(2) Daily chemical industry: L-carvone is used as essence ingredient in personal care products such as soap, shampoo and shower gel. It can coordinate with other spice ingredients to create complex aroma combinations.
 
(3) Agricultural applications: Studies have shown that levonorgestrel has a certain inhibitory effect on certain pests and weeds, and can be used as a potential component of biopesticides. It can also be used as an attractant for pest monitoring and control.
 
(4) Other fields: In aromatherapy, the essential oil of levonorgestrel is sometimes used to create specific atmospheres. In the field of scientific research, as an important representative of chiral compounds, it is commonly used in chemistry teaching and research.
 
5. Safety and regulations of levonorgestrel