Homoeriodictyol

Homoeriodictyol is a citrus flavanone that modulates glucose transporters in intestinal cells and reduces bitter taste perception. This compound demonstrates potential for metabolic support and flavor enhancement applications through its interaction with cellular glucose uptake mechanisms.

Origin & History

Homoeriodictyol is a flavanone compound (C16H14O6) naturally found in Eriodictyon californicum (Yerba Santa), Eriodictyon glutinosum, and coriander plants. It appears as a light yellow to white powder and is typically isolated using high-performance liquid chromatography methods.

Historical & Cultural Context

While homoeriodictyol is found in Yerba Santa plants, no specific traditional medicinal uses are documented in the research. The compound has been identified in phytochemical databases but without therapeutic contexts.

Health Benefits

• May enhance glucose uptake: In vitro study showed 29% increase in glucose uptake in intestinal cells (preliminary evidence only)
• Potential bitter-masking properties: Reduces perceived bitterness of certain compounds by 10-40% (in vitro evidence)
• Limited evidence: No human clinical trials have been conducted
• Research gaps: Most studies are analytical or in vitro only
• Insufficient data: No confirmed therapeutic benefits in humans

How It Works

Homoeriodictyol enhances glucose uptake by modulating glucose transporter proteins (GLUT) in intestinal epithelial cells, increasing cellular glucose influx by approximately 29%. The compound also interacts with bitter taste receptors (TAS2R family), potentially blocking bitter compound binding sites and reducing perceived bitterness by 10-40%. These mechanisms suggest dual roles in metabolic regulation and sensory modulation.

Scientific Research

No human clinical trials, RCTs, or meta-analyses have been conducted on homoeriodictyol. The only biological activity study was an in vitro investigation using Caco-2 intestinal cells showing increased glucose uptake, and analytical validation studies in rat serum (PMID: 17719196).

Clinical Summary

Current evidence for homoeriodictyol is limited to in vitro laboratory studies with no human clinical trials completed. Cell culture studies demonstrate a 29% increase in glucose uptake in intestinal cell lines, though the clinical relevance remains unestablished. Taste perception studies show 10-40% reduction in bitterness intensity for various compounds in laboratory settings. The absence of human trials means safety profiles, effective dosages, and therapeutic applications remain undetermined.

Nutritional Profile

Homoeriodictyol is a pure flavanone compound (C16H14O6, molecular weight 302.28 g/mol), not a whole food ingredient, therefore it contains no macronutrients (0g protein, 0g fat, 0g carbohydrates), no dietary fiber, and no caloric value in isolated form. It is a naturally occurring flavonoid found in plant sources such as Eriodictyon californicum (yerba santa), citrus peels, and certain herbs, typically present in those plants at trace concentrations (estimated 0.01–0.5% dry weight depending on source). As an isolated compound, it possesses no vitamins or minerals. Its primary bioactive identity is as a flavanone polyphenol with a hydroxylated B-ring structure, structurally similar to eriodictyol but with a methoxy group at the 4'-position. Bioavailability data in humans is largely absent; in vitro intestinal absorption studies suggest moderate passive diffusion potential consistent with other flavanones, with likely hepatic phase II metabolism (glucuronidation and sulfation) analogous to naringenin and hesperetin. Its functional relevance is as a taste modulator (bitter-masking, particularly for compounds such as caffeine and certain amino acids) and as a preliminary glucose metabolism modulator, rather than as a nutritional contributor. No established dietary reference intake or recommended dose exists.

Preparation & Dosage

No clinically studied dosage ranges are available due to absence of human trials. In vitro studies used 100 μM concentrations. Consult a healthcare provider before starting any new supplement.

Synergy & Pairings

Eriodictyol, sterubin, other flavanones, glucose support compounds

Safety & Interactions

No established safety profile exists for homoeriodictyol due to lack of human studies. Potential interactions with diabetes medications may occur given its glucose uptake effects, though this remains theoretical. Pregnancy and breastfeeding safety is unknown, requiring medical consultation before use. As with other flavanones, gastrointestinal sensitivity could occur in some individuals, though specific adverse effects have not been documented.