Comparing E101 - Riboflavin vs E223 - Sodium metabisulphite

Synonyms
E101
Riboflavin
Vitamin B2
Flavaxin
Vitamin B 2
Vitamin G
Riboflavine
Lactoflavine
Lactoflavin
E223
Sodium metabisulphite
Pyrosulphite
Sodium metabisulfite
Pyrosulfite
Products

Found in 555 products

Found in 2,840 products

Search rank & volume
#2391.3K / mo🇺🇸U.S.
#1547.8K / mo🇺🇸U.S.
Awareness score

×23.83
over-aware

×0.40
under-aware

Search volume over time

Interest over time for 9 keywords in U.S. during the last 10 years.

Interest over time for 5 keywords in U.S. during the last 10 years.

Popular questions
  1. What does riboflavin do?

    In the body, riboflavin (vitamin B2) helps enzymes produce energy (as FMN and FAD) and supports normal skin and vision. In foods, E101 is used as a yellow color and to fortify products with B2.

  2. What does vitamin b2 do?

    Vitamin B2 serves as the coenzymes FMN and FAD in energy metabolism and redox reactions. As E101 in foods, it also functions as a yellow colorant and nutrient fortifier.

  3. What is vitamin b2 good for?

    It supports energy release from food and helps maintain healthy skin, mouth, and vision. In foods, E101 is used to add yellow color and to enrich products with vitamin B2.

  4. What is riboflavin good for?

    Riboflavin is good for energy production and cellular respiration, helping keep skin and vision healthy. As an additive (E101), it provides yellow color and enables vitamin B2 fortification.

  5. What foods have riboflavin?

    Dairy (milk, yogurt, cheese), eggs, meats (especially liver), fish, green vegetables (e.g., spinach, broccoli), mushrooms, almonds, and fortified breads and cereals.

  1. Is sodium metabisulfite bad for you?

    For most people it isn’t “bad” at the low levels used in foods, but sulfite‑sensitive individuals (including some asthmatics) can have reactions such as wheezing, hives, or headaches. Regulators set a group ADI for sulfites of 0–0.7 mg SO2 equivalents per kg body weight per day.

  2. Is sodium metabisulfite safe?

    Yes—E223 is an approved preservative/antioxidant when used within regulated limits, though sulfites must be declared on labels and can trigger adverse reactions in sensitive people and some asthmatics.

  3. Is sodium metabisulfite gluten free?

    Yes. It’s a synthetic inorganic salt and contains no gluten; any gluten risk would come from other ingredients or cross-contact, not the additive itself.

  4. What is sodium metabisulfite used for?

    It’s used as an antioxidant and preservative to prevent browning and microbial spoilage in foods and drinks (e.g., wine, cider, dried fruits, seafood, potato products), and as a sanitizing agent for winemaking/brewing equipment.

  5. How much sodium metabisulfite per gallon of wine?

    To add about 50 mg/L (ppm) SO2 to 1 US gallon, use roughly 0.28 g sodium metabisulfite (about half a sodium Campden tablet); winemakers typically target 25–50 ppm free SO2 depending on pH and often use potassium metabisulfite instead.