L-LimoneneL-p-Mentha-1,8-diene
中国|杭州|桐庐|蜂竞生物fenjinbio.com| 联系：177671557E-mail:hwl5726@163.com
L-Limonene, also known as L-p-Mentha-1,8-diene, is a naturally occurring terpene found in the essential oils of various citrus fruits and other plants. It is one of the two enantiomers of limonene, the other being D-limonene. The “L” prefix indicates that it is the levorotatory form, meaning it rotates plane-polarized light to the left.
Key Characteristics:
- Chemical Structure:
- Molecular Formula: C₁₀H₁₆
- Structure: It is a cyclic monoterpene with a molecular structure that includes a six-membered ring and a double bond.
- Stereochemistry:
- L-Limonene is the (4S)-enantiomer of limonene, which means it has a specific three-dimensional arrangement of atoms that is the mirror image of D-limonene.
- Natural Sources:
- Found in the essential oils of citrus fruits like lemons, limes, and oranges, as well as in some coniferous trees and herbs.
- Aroma and Flavor:
- L-Limonene has a characteristic citrusy, lemon-like aroma and flavor, which makes it a popular ingredient in food, beverages, and fragrances.
- Uses:
- Industrial: Used as a solvent and in the production of resins, adhesives, and cleaning products.
- Food and Beverage: Added to foods and beverages for its citrus flavor.
- Fragrance: Used in perfumes, soaps, and other personal care products for its fresh scent.
- Therapeutic: Sometimes used in aromatherapy for its potential calming and stress-relieving effects.
- Biological Activity:
- L-Limonene has been studied for its potential antioxidant, anti-inflammatory, and anticancer properties. However, more research is needed to fully understand its effects and mechanisms of action.
- Safety:
- Generally recognized as safe (GRAS) by the FDA when used in food and beverages. However, like many essential oils, it should be used with caution, especially in concentrated forms, as it can cause skin irritation or allergic reactions in some individuals.
Comparison with D-Limonene:
- D-Limonene: The dextrorotatory form, which is more common and widely studied. It also has a citrus aroma but is often used in different applications, such as in cleaning products and as a natural pesticide.
- L-Limonene: Less common and less studied compared to D-limonene, but it shares many similar properties and uses.
In summary, L-Limonene is a versatile and naturally occurring compound with a wide range of applications in industry, food, fragrance, and potentially in health and wellness. Its distinct citrus aroma and flavor make it a valuable component in many products.