What is Aloe, Extract (aloe Spp.)?
Aloe extract (CAS Number: 84837-08-1) is a concentrated preparation derived from various species of the aloe plant, particularly Aloe barbadensis (also known as Aloe vera). The extract is obtained through various processing methods that concentrate the plant's chemical constituents. When used as a food additive, aloe extract functions as a flavoring agent and flavor enhancer, contributing taste characteristics to food and beverage products.
The aloe plant has been used in traditional medicine and culinary applications for thousands of years across multiple cultures. The extract may contain compounds such as polysaccharides, anthraquinones, and other plant-derived chemicals depending on the extraction method and plant part used.
Common Uses
Aloe extract is used in the food industry primarily as a flavoring agent and flavor enhancer in various products including beverages, confections, and other processed foods. The extract is intended to contribute to the sensory profile of these products rather than serve a preservation or structural function.
Because aloe extract is not GRAS-certified in the United States, its use in food products is limited and requires specific regulatory approval or falls under other regulatory pathways such as food additives petitions.
Safety Assessment
According to FDA records, there have been zero reported adverse events associated with aloe extract use as a food additive, and zero food recalls related to this substance. This absence of reported incidents does not necessarily indicate complete safety data, but rather reflects limited tracked incidents in the FDA's adverse event reporting system.
It is important to note that while whole aloe gel and aloe juice have a long history of use, the safety profile of concentrated aloe extract as a food flavoring differs from internal medicinal use. The aloe plant contains anthraquinone compounds (such as aloin) that have laxative properties when ingested in significant quantities, though the concentration in flavoring extracts is typically minimal.
The European Food Safety Authority (EFSA) has evaluated aloe-derived substances, and determinations vary based on the specific preparation, plant part, and intended use. Whole leaf aloe extract has been subject to restrictions in some jurisdictions due to anthraquinone content concerns.
Regulatory Status
Aloe extract is NOT designated as GRAS by the FDA for food use. This means it has not undergone the standard GRAS notification process or has not been affirmed as safe for the general food supply at this time.
In the United States, any food additive not on the GRAS list or the FDA's approved food additives list requires specific regulatory clearance before use in food products. This places aloe extract in a restricted category for food applications.
In the European Union, aloe species preparations are subject to specific regulations depending on the plant part and processing method. Some aloe preparations have been restricted or removed from the approved additives list due to safety concerns related to anthraquinone content.
Key Studies
Scientific literature on aloe extract as a food additive is limited compared to its medicinal uses. Most safety data comes from studies of aloe as a botanical medicine or supplement rather than as a food flavoring agent.
Research on aloe's chemical composition has identified various bioactive compounds, but toxicological studies specific to low-level dietary exposure from food flavoring applications are sparse. The primary safety concern in regulatory contexts has centered on anthraquinone compounds in whole leaf preparations.
Studies evaluating aloe vera gel (the clear inner material) versus whole leaf extract show significantly different safety profiles, with whole leaf containing higher concentrations of anthraquinone compounds.