Comparing E160AI - Beta-carotene vs E172III - Yellow iron oxide
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Found in 5,601 products
Found in 2 products
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Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
Does beta carotene make you tan?
High intakes can give the skin a yellow‑orange tint (carotenodermia), especially on the palms and soles; it’s not a melanin “tan” and fades when intake is reduced.
Is beta carotene bad for you?
At the amounts used as a food color and from normal diets, it’s considered safe; however, high‑dose supplements have been linked to increased lung cancer risk in smokers and asbestos‑exposed people and can cause temporary skin yellowing.
What foods have beta carotene?
Carrots, sweet potatoes, pumpkin, butternut squash, spinach, kale, collards, apricots, mango, cantaloupe, and red/orange peppers are rich sources; it’s also added as color (E160a) to some foods.
Is beta carotene vitamin a?
No—it's a provitamin A carotenoid that your body converts to vitamin A (retinol) as needed.
How much beta carotene per day?
There’s no specific daily requirement for beta‑carotene; most people can meet vitamin A needs via carotenoid‑rich foods, and high‑dose beta‑carotene supplements (around 20 mg/day or more) are not recommended for smokers.
What is iron oxide yellow?
Yellow iron oxide (E172III) is a yellow inorganic pigment made of hydrated iron oxide (mainly goethite, FeO(OH)), used as a colorant in foods, pharmaceuticals, and cosmetics; it is insoluble and stable to heat and light.
How to lighten yellow iron oxide?
Lighten it by reducing its dosage or blending with permitted white/neutral colorants or a light-colored base (e.g., calcium carbonate/E170 where allowed); it cannot be chemically bleached without altering the pigment.
How to make yellow iron oxide?
It is produced industrially by oxidizing and precipitating iron salts under controlled pH and temperature to form goethite (FeO(OH)), then washing, filtering, and milling; food‑grade material must meet strict purity limits (e.g., heavy metals).
How to make yellow iron oxide pigment?
Manufacturers form goethite by controlled precipitation/oxidation (e.g., from ferrous sulfate solutions), then age, wash, and mill to the desired shade; heating (calcination) can convert yellow to red hematite, so temperature control is critical.
Iron oxide minerals which might create red or yellow coloration in sandstones?
Red hues are typically from hematite (Fe2O3), while yellow to yellow‑brown tones come from goethite (FeO(OH)) or limonite (hydrated iron oxides); jarosite can also impart yellow coloration in some settings.