Hotrienol
[CAS# 20053-88-7]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Alcoholic spice >> Terpene alcohol
• Name: Hotrienol
• Synonyms: (5E)-3,7-Dimethylocta-1,5,7-trien-3-ol
• Molecular Formula: C₁₀H₁₆O
• Molecular Weight: 152.23
• CAS Registry Number: 20053-88-7
• EC Number: 606-431-6
• SMILES: CC(=C)/C=C/CC(C)(C=C)O

Discovory and Applicatios

Hotrienol is a chemical compound known for its distinctive, pleasant odor, which is often described as floral and sweet. It is a type of terpenoid alcohol and belongs to a group of volatile organic compounds known as sesquiterpenes. Hotrienol is found naturally in several plants and flowers, contributing to the aromatic profiles of these sources. It is most commonly associated with the scent of certain orchids, where it plays a role in attracting pollinators, although it can also be found in other floral species.

The compound was first identified and isolated through the study of essential oils and plant extracts. Its structure consists of a long carbon chain with hydroxyl groups attached, which is typical of many naturally occurring terpenoids. Hotrienol is a member of the larger family of compounds known as monoterpenoids and sesquiterpenoids, which are widely distributed in nature, particularly in the essential oils of plants.

Hotrienol is used primarily in the fragrance industry due to its pleasant odor, which makes it an ideal ingredient in perfumes and other scented products. It is particularly valued for its ability to impart a fresh, floral note, making it a common component in floral fragrance compositions. The compound is also used in personal care products such as shampoos, soaps, and lotions, where it enhances the sensory experience with its natural floral scent. In addition, it is found in air fresheners and other household products designed to provide a pleasing atmosphere.

In addition to its use in fragrances, hotrienol has been studied for its potential applications in food and beverage products, although its use in this area is less widespread. It has been explored as a flavoring agent, primarily for its ability to impart sweet, floral flavors to certain foods and beverages. However, its application in the food industry is generally limited due to the specialized nature of its scent and flavor profile.

Hotrienol has also attracted attention in the field of environmental science, particularly in the study of plant-pollinator interactions. Research has shown that the compound plays a role in attracting pollinators to certain species of plants, particularly orchids. The presence of hotrienol in the flowers of these plants is thought to be a key factor in the plant’s ability to attract the appropriate pollinators, such as bees and butterflies, which help ensure the plant's reproduction.

To produce hotrienol, it is typically extracted from natural sources such as essential oils or synthesized through chemical processes. It is often derived from plant species known for their aromatic properties, particularly those in the Orchidaceae family, but can also be obtained through synthetic means in a controlled laboratory setting.

In conclusion, hotrienol is a naturally occurring compound with significant applications in the fragrance industry. Its distinctive floral scent makes it a valuable ingredient in perfumes, personal care products, and air fresheners. While its use in the food industry is less common, it has been explored for its potential as a flavoring agent. Beyond its commercial uses, hotrienol also plays an important ecological role in attracting pollinators to certain plants, highlighting its importance in both industrial and natural contexts.

References

2023. Authentication of Polish Red Wines Produced from Zweigelt and Rondo Grape Varieties Based on Volatile Compounds Analysis in Combination with Machine Learning Algorithms: Hotrienol as a Marker of the Zweigelt Variety. Molecules (Basel, Switzerland), 28(4).
DOI: 10.3390/molecules28041961

2015. Antioxidant Capacity and Chemical Profiles of Satureja montana L. Honey: Hotrienol and Syringyl Derivatives as Biomarkers. Chemistry & Biodiversity, 12(7).
DOI: 10.1002/cbdv.201400183

2025. Comparison of volatile compounds among different types of Tieguanyin oolong tea using DHI-GC-MS. Analytical Methods, 17(2).
DOI: 10.1039/D4AY02042A