What is (+/-)-Eriodictyol?
(+/-)-Eriodictyol, identified by CAS Number 4049-38-1, is a flavonoid compound belonging to the class of plant-derived phenolic substances. Flavonoids are polyphenolic molecules widely distributed in nature, particularly in fruits, vegetables, and plant materials. Eriodictyol exists as a racemic mixture (indicated by the +/- designation), meaning it contains equal proportions of both left-handed and right-handed molecular configurations. This compound is structurally related to other flavonoids like hesperetin and naringenin, which are commonly found in citrus fruits.
Common Uses
Eriodictyol functions primarily as a flavoring agent and flavor adjuvant in the food industry. Its applications include use in beverages, confectionery products, and other food formulations where flavor enhancement or modification is desired. The compound contributes to taste profiles and may be used in combination with other flavoring substances to achieve specific sensory characteristics. Due to its natural occurrence in certain plants, it appeals to manufacturers interested in plant-derived or naturally-sourced flavoring components.
Safety Assessment
According to FDA records, there have been zero reported adverse events associated with (+/-)-eriodictyol consumption, and zero recalls linked to this substance. This absence of documented safety issues suggests a benign safety profile in practical food applications. The compound's natural presence in foods and plants provides additional reassurance regarding its use as a food additive.
As a flavonoid, eriodictyol shares chemical characteristics with other naturally occurring compounds that have been extensively studied. Flavonoids in general have been subject to considerable scientific research, with many demonstrating antioxidant properties and generally recognized as safe at dietary exposure levels. However, safety assessment of food additives involves consideration of exposure levels, purity of the ingredient used, and potential interactions with other substances.
Regulatory Status
Eriodictyol does not currently hold FDA GRAS (Generally Recognized As Safe) status in the United States. This designation does not necessarily indicate a safety concern but rather reflects that the specific approval pathway or comprehensive safety dossier submission has not been completed through FDA's GRAS review process. Without GRAS status, its use in the United States is limited and requires appropriate regulatory authorization or may be restricted depending on the specific food application.
The regulatory status varies by jurisdiction. Different countries maintain distinct frameworks for evaluating and approving food additives, and eriodictyol's approval status may differ across regions. Manufacturers intending to use this substance must comply with local regulations governing food additives in their respective markets.
Key Studies
While comprehensive clinical studies specific to (+/-)-eriodictyol as a food additive are limited in the public literature, the broader scientific understanding of flavonoids provides relevant context. Eriodictyol has been examined in research contexts for various biological activities typical of flavonoid compounds, including antioxidant potential. However, such research does not necessarily establish food safety profiles for additive use.
The absence of reported adverse events in FDA databases, combined with zero recalls, indicates that practical food applications have not generated documented safety signals. This empirical safety record, though not a substitute for formal GRAS status or comprehensive toxicological study, contributes to the overall safety assessment.
Future regulatory approval of this substance would likely depend on submission of comprehensive safety data, including toxicological studies, specifications for purity and composition, and detailed use levels in specific food categories.