Table 1 Most frequent ingested engineered materials and nanomaterials (iENM) used in foods together with products and their concentrations, as reported in the literature
Nanomaterial | Commercial products | Concentration | References |
|---|---|---|---|
Titanium dioxide | Dickinson’s Coconut Curd Hostess Powdered Donut Kool Aid Blue Raspberry M&Ms. Chocolate Candy | 3.59 μg Ti/mg 2.42 μg Ti/mg 1.69 μg Ti/mg 1.25 μg Ti/mg | [144] |
Silicon dioxide | Multivitamins Instant noodles tandoori Taco seasoning mix | 6.4 μg Si/mg 6.0 μg Si/mg 5.3 μg Si/mg | [145] |
Zinc oxide | Breakfast cereals Nutrition drinks Nutrition bars | Not available | [146] |
Iron oxides | Capsules Fish and crustacean paste Sauces (excluding tomato-based sauces) | Not available | [147] |
Silver | Sovereign Silver MesoSilver Nanoceuticals Silver 22 Advanced Colloidal Silver | 10 μg Ag/mL 20 μg Ag/mL 22 μg Ag/mL 20 μg Ag/mL | Natural Immunogenics Corp. Purest Colloids, Inc. RBC Life Sciences®, Inc. Utopia Silver Supplements |