Trans-Anethole丨CAS 4180-23-8

trans-Anethole丨4180-23-8 is a naturally occurring aromatic compound and one of the primary components of anise and fennel essential oils. It is a type of phenylpropene and is responsible for the characteristic sweet, licorice-like flavor and aroma of these plants. It is widely used in the food, fragrance, and pharmaceutical industries due to its flavoring, aromatic, and potential therapeutic properties.
Sources
trans-Anethole丨4180-23-8 is most commonly found in:
1.Anise (Pimpinella anisum) - The seeds of this plant contain significant amounts of anethole, contributing to its strong, sweet flavor.
2.Fennel (Foeniculum vulgare) - Fennel seeds also contain high levels of anethole.
3.Star anise (Illicium verum) - While chemically similar, it contains a mix of isomers, including anethole, which gives it its licorice-like aroma.
4.Other plants: Some other plants in the Apiaceae family, such as caraway and tarragon, also contain small amounts of anethole.
Synthesis
trans-Anethole丨4180-23-8 is often synthesized through two methods:
1.Extraction from natural sources like anise, fennel, or star anise essential oils.
2.Chemical synthesis via the methylation of p-cresol using methanol or methylating agents like dimethyl sulfate or methyl iodide.
In the laboratory, it can also be synthesized through the condensation of acetaldehyde and phenylpropene, followed by purification.

1. Flavoring and Fragrance
The primary use of trans-Anethole丨4180-23-8 is in the food and beverage industry, where it is used as a flavoring agent. Its sweet, licorice-like aroma makes it a key ingredient in:
● Confectionery (e.g., candies, chewing gum)
● Beverages (e.g., liquors like ouzo, raki, and absinthe)
● Baked goods (e.g., pastries)
● Dairy products (e.g., ice creams)
It is also used in the perfume industry as a fragrance compound due to its pleasant, aromatic properties, contributing to both top and middle notes.
2. Pharmaceutical Uses
Trans-anethole has demonstrated some medicinal properties, and it is used in traditional herbal remedies. Some of its key pharmaceutical applications include:
● Digestive aid: It is believed to have mild carminative properties, meaning it helps relieve gas, bloating, and indigestion. It is used in some herbal teas and digestive tonics.
● Antimicrobial: Trans-anethole has shown some antibacterial and antifungal properties in research, suggesting its potential for use in the treatment of infections.
● Antioxidant: There is evidence that trans-anethole exhibits antioxidant effects, which may help reduce oxidative stress in cells, potentially helping to combat age-related diseases or inflammation.
3. Insect Repellent
trans-Anethole丨4180-23-8 has demonstrated some efficacy as a natural insect repellent. Its antifungal and insecticidal properties make it useful in repelling insects like mosquitoes and other pests. Some studies have shown that trans-anethole is a natural alternative to synthetic insecticides.
4. Cosmetics and Personal Care
In addition to its use in fragrance formulations, trans-anethole is sometimes included in cosmetic products such as:
● Lotions
● Shampoos
● Soaps
Its aromatic qualities add to the sensory experience of using these products, and it can also help to mask unpleasant odors in formulations.
5. Preservative
In some contexts, trans-anethole is used as a natural preservative due to its antimicrobial and antioxidant properties. It can help extend the shelf life of certain food products and cosmetics by inhibiting the growth of bacteria and fungi.

1.Natural Flavoring and Aromatic Agent: trans-Anethole丨4180-23-8 is a natural alternative to artificial flavoring agents and is highly valued in the food and beverage industry for its licorice-like taste and smell. It is also considered a safer option for flavoring compared to synthetic chemicals.
2.Digestive Health: It is known to promote digestion and alleviate stomach discomfort such as bloating, gas, and indigestion. It is used in traditional medicine as a carminative agent.
3.Antioxidant and Antimicrobial: trans-Anethole丨4180-23-8 has shown promise as an antioxidant, helping to neutralize free radicals that contribute to cellular damage. Its antimicrobial properties also make it useful in preventing infection and preserving food products.
4.Insect Repellent: It serves as a natural alternative to synthetic insect repellents and can be found in some bug sprays and mosquito repellents.
5.Fragrance: As a key component in perfumes and cosmetic products, it provides a long-lasting licorice or anise scent that is highly sought after in personal care products.

trans-Anethole丨4180-23-8 is a versatile and valuable compound widely used for its aromatic, flavoring, and medicinal properties. It is primarily known for its sweet, licorice-like flavor and is a key ingredient in a variety of food, beverage, and cosmetic products. Its antioxidant, antimicrobial, and digestive health benefits also contribute to its popularity in both traditional and modern medicine. As a natural alternative to synthetic chemicals, trans-anethole is an important compound in the development of natural products for health, beauty, and culinary applications.