What is (2,6,6-trimethyl-2-hydroxycyclohexylidene)acetic Acid Gamma-lactone?
(2,6,6-trimethyl-2-hydroxycyclohexylidene)acetic Acid Gamma-lactone, also known by its CAS number 15356-74-8, is a synthetic organic compound belonging to the class of lactone-based flavoring agents. Lactones are naturally occurring compounds found in fruits, dairy products, and other foods, but this particular compound is synthetically manufactured. The molecule contains a gamma-lactone ring structure, which is a five-membered cyclic ester, combined with a cyclohexyl moiety bearing three methyl groups and a hydroxyl group.
Common Uses
This flavoring agent is primarily used in the fragrance and flavor industries to contribute fruity, creamy, woody, and slightly herbaceous taste profiles. Due to its organoleptic properties, it may be utilized in beverages, confectionery products, dairy formulations, and baked goods. The compound's sensory characteristics make it valuable for formulators seeking to create complex flavor blends without relying solely on natural extracts. However, its use in food applications is limited compared to more widely approved flavoring agents due to its regulatory status.
Safety Assessment
According to FDA records, there have been no reported adverse events associated with this additive, and no product recalls have been attributed to its use. The absence of reported safety incidents does not automatically establish safety, but rather reflects limited documented exposure and adverse outcome reporting in the United States market.
As a synthetic flavoring compound, the safety profile would theoretically depend on factors including acute toxicity, chronic toxicity potential, genotoxicity, and metabolic fate in the human body. The specific toxicological data for this compound in peer-reviewed literature appears limited. Manufacturers and importers using this ingredient would typically conduct or reference relevant toxicological studies to support its safety, though such data may not be publicly available unless submitted during regulatory petitions.
Regulatory Status
This compound has not been approved by the FDA as a GRAS (Generally Recognized As Safe) substance. This designation indicates that the FDA has not concluded that this additive is safe for general use in food based on either scientific procedures or common use history in foods before 1958. The lack of GRAS status means that any company wishing to use this ingredient in food products would need to submit a Food Additive Petition to the FDA, providing comprehensive safety data for FDA review and approval.
In contrast, some flavoring compounds in similar chemical classes have achieved GRAS status through the Flavor and Extract Manufacturers' Association (FEMA) GRAS panel process, which provides an alternative pathway to FDA approval. This ingredient's status suggests it may not have undergone such comprehensive industry review or that the evidence was deemed insufficient for GRAS determination.
International regulatory status varies by jurisdiction. The European Food Safety Authority (EFSA) maintains its own approved flavoring lists, and this compound's status in EU regulations should be verified independently if relevant to specific markets.
Key Studies
Publicly available toxicological studies specific to this compound are not readily identified in major scientific databases. Industry proprietary studies may exist but are typically confidential unless filed with regulatory agencies. Researchers and formulators seeking safety information would need to contact manufacturers or review any available FDA petition documents for referenced studies.
Given the compound's non-GRAS status and limited public scientific record, additional safety data generation and regulatory review would be necessary before widespread food use could be authorized in the United States.