3-hepten-2-one

3-Hepten-2-one, with CAS Number 1119-44-4, is a seven-carbon ketone compound classified as a flavoring agent. It belongs to the family of volatile organic compounds known for their aromatic properties. The chemical structure consists of a seven-carbon chain with a double bond between the third and fourth carbons and a ketone functional group at the second carbon position. This compound occurs naturally in various plants and fruits, contributing to their characteristic aromas.

In the food industry, 3-hepten-2-one is primarily used as a flavoring agent or flavor adjuvant in processed foods and beverages. Its fruity, slightly herbaceous, and green note characteristics make it valuable in formulations for:

- Beverages including soft drinks and flavored waters

- Dairy products such as yogurts and flavored milks

- Confectionery and baked goods

- Savory snacks and seasonings

- Functional foods and flavor systems

The compound is typically used in very small quantities, measured in parts per million (ppm), to achieve desired flavor profiles without overwhelming other taste components.

3-Hepten-2-one has no reported adverse events in FDA databases and no associated recalls. The compound has been evaluated for safety in food applications, though it does not currently hold formal FDA GRAS (Generally Recognized As Safe) status in the United States. This distinction does not indicate a safety concern but rather reflects the regulatory pathway and approval status of the ingredient.

The absence of adverse event reports and recalls suggests a favorable safety record in commercial food applications. Like other flavoring agents, 3-hepten-2-one is used at extremely low concentrations where exposure levels are well below any thresholds of concern. The compound is volatile and readily breaks down in normal digestive processes.

Toxicological assessments of similar ketone flavor compounds have generally indicated low systemic toxicity when used at levels typical in food. The rapid metabolism and elimination of such volatile compounds further contributes to a favorable safety profile.

The regulatory status of 3-hepten-2-one varies internationally:

**United States:** The compound does not have FDA GRAS status but may be used in food where permitted under FDA regulations for flavoring agents. Its use is subject to compliance with Code of Federal Regulations (CFR) Title 21.

**European Union:** 3-Hepten-2-one is evaluated under the European Flavourings Regulation (EC) No 1334/2008 as part of the EU Flavouring Substances List, where it is permitted for use in flavoring applications.

**Other Regions:** Regulatory approval varies by country, with many nations accepting it for use in food flavoring applications based on safety data and international flavor standards.

Flavorings are among the most stringently regulated food additives globally, with international expert panels regularly reviewing safety data.

While specific published studies on 3-hepten-2-one are limited in public databases, the safety assessment of this compound is informed by:

1. **General Ketone Flavoring Assessments:** Scientific literature on structurally similar ketone compounds used in flavoring demonstrates low toxicity profiles at food use levels.

2. **International Flavor Safety Databases:** Organizations including the International Organization of the Flavor Industry (IOFI) and the Flavor and Extract Manufacturers Association (FEMA) maintain comprehensive databases on flavor compound safety.

3. **Regulatory Evaluations:** Both FDA and EFSA assessments of similar volatile flavor compounds provide supporting evidence for safe use at typical food application levels.

4. **Absence of Epidemiological Concerns:** The lack of reported adverse events in extensive FDA monitoring systems over decades of use supports the established safety record of approved flavor compounds in this category.

The safety of flavoring agents is continuously monitored through post-market surveillance systems that track adverse event reports and product recalls.