# Alpha-phellandrene

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> Markdown URL: https://additivefacts.com/additives/alpha-phellandrene.md

**Safety rating:** SAFE
**CAS number:** 99-83-2
**Category:** flavoring
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-02

## Summary

Alpha-phellandrene (CAS 99-83-2) is a naturally occurring monoterpene compound used as a flavoring agent in food and beverages. It contributes to the characteristic spicy, minty, and herbal aroma profiles found in various culinary applications and commercial food products.

## Regulatory status

| Country | Status |
| --- | --- |
| United States | approved |
| European Union | not_evaluated |
| United Kingdom | not_evaluated |
| Canada | not_evaluated |
| Australia | not_evaluated |
| Japan | not_evaluated |
| South Korea | not_evaluated |
| Brazil | not_evaluated |
| China | not_evaluated |
| India | not_evaluated |

## Detailed analysis

## What is Alpha-phellandrene?

Alpha-phellandrene is a naturally occurring monoterpene, a class of volatile organic compounds commonly found in essential oils and plant extracts. With the CAS number 99-83-2, this compound is characterized by a bicyclic structure that contributes to its distinctive sensory properties. It is one of several phellandrene isomers that occur in nature, primarily found in the essential oils of plants such as watermelon, dill, and various spices.

## Common Uses

Alpha-phellandrene is primarily used as a flavoring agent and flavor adjuvant in the food and beverage industry. Its applications include:

- Beverages: Added to flavored drinks, alcoholic beverages, and non-alcoholic beverages to enhance taste profiles
- Confectionery: Used in candies, chewing gums, and other sweets to provide minty or herbal notes
- Dairy products: Incorporated into flavored milk products and yogurts
- Seasonings and condiments: Found in spice blends and condiment formulations
- Baked goods: Added to improve flavor complexity in breads, cookies, and other baked products

The compound is valued in the flavor industry for its ability to add depth and complexity to food products while maintaining relatively low concentrations.

## Safety Assessment

Alpha-phellandrene has not been formally reviewed and approved by the FDA as a Generally Recognized as Safe (GRAS) substance for food use in the United States. However, this designation does not indicate the substance is unsafe; rather, it reflects the specific regulatory pathway and review status.

Key safety observations include:

- No adverse events have been reported to the FDA related to alpha-phellandrene consumption through food products
- No FDA recalls have been associated with this additive
- The compound is structurally similar to other approved flavoring monoterpenes
- As a naturally occurring compound found in edible plants, it has a history of consumption through culinary use

Alpha-phellandrene exhibits typical monoterpene characteristics, including volatility and potential for metabolism in the human body. Standard toxicological data for monoterpenes suggests low systemic toxicity at typical food flavoring concentrations.

## Regulatory Status

In the United States, alpha-phellandrene may be used as a flavoring agent under FDA regulations for flavoring substances. While not GRAS-listed, it can be legitimately used in food products when formulated appropriately and in accordance with FDA food additive regulations.

The regulatory status varies by country:

- European Union: May be evaluated under the EU's flavoring substance regulations
- Other jurisdictions: Regulatory acceptance varies based on local food safety frameworks

Manufacturers using this compound must ensure compliance with applicable food additive regulations in their target markets and maintain proper documentation of safety and usage parameters.

## Key Studies

While alpha-phellandrene has not been the subject of extensive recent clinical research, the broader monoterpene class has been studied for safety. Relevant considerations include:

- Monoterpenes as a class have been evaluated for general toxicity profiles
- The compound's volatility and chemical structure suggest rapid metabolism similar to other dietary monoterpenes
- Plant sources containing alpha-phellandrene have a long history of use in food and traditional applications
- Flavor industry databases document typical usage levels in food applications, which remain well below concentrations associated with any observed adverse effects

The absence of reported adverse events and regulatory recalls, combined with the compound's natural occurrence and structural similarities to approved flavoring compounds, suggests a favorable safety profile at typical food use levels. However, the lack of formal GRAS status means comprehensive toxicological review by regulatory agencies has not been completed in all jurisdictions.

## Sources

- FDA Substances Added to Food (CFSAN)
- OpenFDA Adverse Event Reporting System (AERS)
- OpenFDA Food Recalls
- EFSA OpenFoodTox
- EU Food Additive Portal

## Citation

Additive Facts. "Alpha-phellandrene — Safety, regulation, and evidence." https://additivefacts.com/additives/alpha-phellandrene. Accessed 2026-05-19.