What is 4-hydroxy-4-methyl-7-cis-decanoic Acid Gamma Lactone?
4-hydroxy-4-methyl-7-cis-decanoic acid gamma lactone (CAS #70851-61-5) is a synthetic organic compound belonging to the lactone family of flavor chemicals. Lactones are cyclic esters formed when hydroxyl and carboxyl groups within the same molecule react. This particular compound is characterized by a ten-carbon chain backbone with specific hydroxyl and methyl functional groups, creating a chemical structure that produces distinctive sensory notes when used in food applications.
Common Uses
This lactone is primarily utilized as a flavoring agent in the food and beverage industry. Its sensory profile is associated with coconut, creamy, and dairy-like notes, making it valuable in formulations for:
- Dairy products and yogurts
- Confectionery and chocolate products
- Beverage flavorings
- Baked goods and pastries
- Non-dairy creamers and coffee additives
Typical usage levels in food products are minimal, generally in the range of parts per million, as is standard for concentrated flavor compounds. The compound functions as a flavoring adjuvant, meaning it works to enhance or modify the overall flavor profile of food products.
Safety Assessment
Currently, 4-hydroxy-4-methyl-7-cis-decanoic acid gamma lactone does not hold FDA GRAS (Generally Recognized as Safe) status in the United States. However, this classification does not indicate an unsafe substance; rather, it reflects that this particular compound has not undergone the formal GRAS notification process or has not been evaluated through that specific regulatory pathway.
The FDA database shows zero recorded adverse events associated with this additive and zero product recalls attributable to its use. This lack of reported safety incidents suggests a favorable safety profile in commercial food applications. The compound's low use levels and limited human exposure data available in published literature means comprehensive toxicological studies may be limited.
Lactones as a chemical class have been studied extensively, and many lactones are approved for use in food flavoring across multiple regulatory jurisdictions. The general metabolic pathway for lactones involves hydrolysis to their corresponding hydroxy acids, which are then further metabolized through normal biochemical routes.
Regulatory Status
In the United States, while not GRAS-listed, this compound may be permitted for use in food flavoring under FDA regulations governing food additives, subject to specific limitations and purity standards. Regulatory agencies in other countries may have different approval statuses.
The European Food Safety Authority (EFSA) maintains records of flavoring substances evaluated for safety. Food business operators in the European Union must comply with Regulation (EC) No 1334/2008 regarding flavorings. Individual lactone compounds may be evaluated on a case-by-case basis within this framework.
Importers and manufacturers should verify current regulatory approval status in their specific jurisdiction before using this additive, as regulations vary by country and may change over time.
Key Studies
Published scientific literature on this specific compound is limited in the public domain. Most safety data comes from general lactone research and industry testing conducted during product development. The absence of significant published adverse findings, combined with zero FDA-recorded adverse events, suggests adequate margins of safety at typical use levels.
For flavor chemicals, safety assessments typically consider acute toxicity, repeated-dose toxicity, genotoxicity, and reproductive/developmental toxicity. The chemical structure of this lactone does not present obvious structural alerts for toxicological concern, though specific testing would be required for definitive conclusions.
Manufacturers producing this compound must meet specifications for purity, residual solvents, and contaminants as outlined in relevant food chemical standards.