What is Blackberry Bark, Extract?
Blackberry bark extract (CAS Number: 977047-53-2) is a flavoring ingredient derived from the bark of blackberry plants belonging to the genus Rubus, specifically species within the Eubatus section. This section of Rubus includes species commonly known for their dark berries and woody stems. The extract is produced through processes that isolate flavor compounds and aromatic constituents from the plant material, creating a concentrated flavoring substance suitable for food applications.
As a natural botanical extract, blackberry bark extract belongs to the category of plant-derived flavorings that have been used traditionally in food preparation and beverage formulation. The extraction process typically involves using solvents or other approved methods to concentrate the flavor compounds present in the plant tissue.
Common Uses
Blackberry bark extract is primarily used as a flavoring agent and flavor enhancer in the food and beverage industry. Its applications include:
- Beverage formulations, including juices, cordials, and flavored drinks
- Confectionery and candy products
- Dairy products such as yogurts and flavored milk
- Baked goods and desserts
- Flavored syrups and toppings
- Herbal and botanical tea products
The extract allows manufacturers to achieve authentic blackberry flavor profiles without using large quantities of whole fruit, thereby improving cost efficiency and shelf stability while maintaining flavor consistency across batches.
Safety Assessment
Blackberry bark extract has demonstrated a favorable safety profile based on available data. The FDA has recorded zero adverse events associated with this additive, and there have been no product recalls involving blackberry bark extract. This absence of reported safety incidents suggests that the ingredient, as currently used in food applications, has not raised consumer health concerns.
The safety of blackberry-derived ingredients is supported by the long history of blackberry consumption as a food. Blackberries and related Rubus species have been consumed by humans for centuries without significant adverse health effects. The extract form concentrates these naturally occurring compounds, but the inherent safety profile of the source material provides a reasonable basis for confidence.
As with all food additives, the safety of blackberry bark extract depends on proper use levels, adequate identification and purity of the source material, and appropriate manufacturing practices. The specific Eubatus section classification in the CAS registration helps ensure consistent identification of the botanical source.
Regulatory Status
Blackberry bark extract is not listed as a Generally Recognized as Safe (GRAS) substance by the FDA, meaning it has not received formal GRAS determination. However, this classification does not indicate a safety concern. Rather, it reflects that the ingredient may not have undergone the formal GRAS petition and review process, or such a petition may not have been submitted.
The absence of GRAS status means that any use of this ingredient in food would typically require FDA approval through the food additive petition process or would need to comply with other regulatory pathways for botanical flavoring ingredients. Different regulatory jurisdictions may have varying requirements for the use and approval of botanical extracts.
Manufacturers using blackberry bark extract should ensure compliance with applicable FDA regulations and maintain appropriate documentation regarding the ingredient's identity, source, and specifications.
Key Studies
While specific published studies on blackberry bark extract itself are limited in the scientific literature, the safety profile of blackberry-derived products is supported by:
- The extensive history of blackberry fruit and plant consumption as food
- General scientific knowledge about Rubus species and their chemical composition
- The absence of adverse event reports in FDA databases
- The non-toxic nature of typical flavor compounds found in blackberry plants
Research on blackberry fruits generally demonstrates the presence of anthocyanins, flavonoids, and other polyphenolic compounds with antioxidant properties. These naturally occurring compounds contribute to both the flavor and potential beneficial properties of blackberry products.