Abstract
Objective: To test the effect of two dietary antioxidants: butylated hydroxytoluene (BHT) and 3-hydroxytyrosol (3-HT) in experimental food allergy. Methods: BALB/c mice maintained on control diet or diet with BHT or 3-HT were sensitized with ovalbumin (OVA) or saline through transdermal exposure. Plasma OVA-specific IgE (OVA-IgE) and IgG1 (OVA-IgG1) antibody levels were determined using ELISA. Sensitized mice were challenged by oral gavage with OVA. Rectal temperature (RT) was measured before and after challenge. Mast cell degranulation was quantified by measuring the plasma levels of mouse mucosal mast cell protease-1 (mMCP-1). Flow cytometry was carried out to evaluate the percentage Th2 cells from the spleen. Results: Mice on either a 3-HT or BHT diet showed a significantly decreased IgE response to OVA sensitization and less severe anaphylaxis, as evidenced by a diminished drop in body temperature, attenuated clinical signs, a more rapid recovery and decreased mast cell degranulation (as determined by lower plasma mMCP-1 levels). Conclusion: The present study indicates two dietary antioxidants: BHT and 3-HT may be protective against experimental food allergy. These results suggest 3-HT and BHT could potentially be useful for prevention of food allergy.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 426-432 |
| Number of pages | 7 |
| Journal | Immunopharmacology and Immunotoxicology |
| Volume | 45 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2023 |
| Externally published | Yes |
Keywords
- antioxidant
- food additives
- Food allergy
- immunotoxicology
- th2
ASJC Scopus subject areas
- Immunology and Allergy
- Immunology
- Toxicology
- Pharmacology