What is Peg Fatty Acid Esters And Mono-, Di-, And Triglycerides Mixture?
Peg Fatty Acid Esters and Mono-, Di-, and Triglycerides Mixture (CAS Number 977188-96-7) is a complex synthetic ingredient created by combining polyethylene glycol (PEG) with various fatty acid esters and glyceride compounds. This mixture belongs to the broader class of emulsifiers and solvent systems used in food manufacturing. The combination of PEG polymers with fatty acid esters and glycerides creates a substance capable of improving the solubility and distribution of otherwise incompatible ingredients in food products.
Common Uses
This additive functions primarily as a solvent or vehicle in food applications. Solvents and vehicles in food manufacturing serve to dissolve flavor compounds, colors, active ingredients, or other food components that would otherwise be difficult to incorporate uniformly into a final product. The specific mixture of PEG derivatives and glycerides makes it particularly useful in applications requiring:
- Flavor oil dispersion in beverages and food products
- Vitamin and nutrient solubilization
- Color distribution in liquid and semi-liquid formulations
- Enhancement of ingredient miscibility in complex food systems
The fatty acid and glyceride components provide amphiphilic properties (both water and fat-loving characteristics), making the overall mixture an effective solubilizing agent for lipophilic (fat-soluble) compounds in aqueous food matrices.
Safety Assessment
According to FDA records, there have been no reported adverse events associated with this additive, and no recalls have been issued. However, it is important to note that this ingredient does not currently hold GRAS (Generally Recognized As Safe) status with the FDA. This designation does not necessarily indicate a safety concern; rather, it means the substance has not undergone the formal GRAS petition process or has not been evaluated through that specific regulatory pathway.
The lack of GRAS status may reflect that this particular mixture formulation is relatively newer or that manufacturers using it have not pursued formal GRAS affirmation. Individual components—PEG compounds and fatty acid glycerides—have extensive histories of safe use in food products. The safety profile of similar PEG-based solvent systems and glyceride mixtures has been well-documented in regulatory literature.
The absence of adverse event reports and recalls suggests that any food products containing this additive have not generated safety concerns significant enough to prompt FDA intervention or consumer complaints substantial enough to warrant regulatory action.
Regulatory Status
This additive is not explicitly listed on the FDA's GRAS list, meaning it does not have official recognition as a Generally Recognized As Safe substance for food use in the United States. However, the absence of GRAS listing does not prohibit its use in food products. Ingredients may be used in food under FDA regulations if they are food additives that have been approved, or if they fall within the scope of acceptable food ingredients through other regulatory pathways.
Manufacturers using this additive may do so under the food additive regulations or as part of flavoring agent provisions, depending on the specific application and concentration. The regulatory approach may vary by country, with different standards in the European Union, Canada, Australia, and other jurisdictions.
Key Studies
Due to the specialized nature of this particular mixture formulation (CAS 977188-96-7), peer-reviewed literature specifically examining this exact combination may be limited. However, the individual components have substantial scientific documentation. PEG compounds have been extensively studied for safety in food applications, with numerous studies published in food science and regulatory toxicology journals. Fatty acid esters and glycerides similarly have long histories of investigation regarding their safety and functional properties in food systems.
Regulatory agencies including the FDA and European Food Safety Authority have previously evaluated similar solvent and vehicle systems. The lack of reported adverse events and absence of recalls suggest continued safe use in commercial food applications.