Comparing E101 - Riboflavin vs E133 - Brilliant blue FCF

Synonyms
E101
Riboflavin
Vitamin B2
Flavaxin
Vitamin B 2
Vitamin G
Riboflavine
Lactoflavine
Lactoflavin
E133
Brilliant blue FCF
FD&C Blue 1
FD and C Blue 1
Blue 1
fd&c blue no. 1
Blue 1 lake
Functions
Products

Found in 555 products

Found in 20,793 products

Search rank & volume
#2391.3K / mo🇺🇸U.S.
#10917.6K / mo🇺🇸U.S.
Awareness score

×23.83
over-aware

×0.12
under-aware

Search volume over time

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

Interest over time for 7 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. What is blue 1 made of?

    A synthetic triarylmethane dye used as a food color; it's the disodium salt of a sulfonated aromatic compound and is water‑soluble. An insoluble 'lake' form is made by depositing the dye onto aluminum hydroxide for use in fats and coatings.

  2. What does blue 1 do to your body?

    At typical dietary levels it has no known physiological effect; most ingested Blue 1 is poorly absorbed and is excreted. Rarely, sensitive individuals may have allergic-type reactions or temporary blue-green stool/urine.

  3. Is blue 1 dye bad for you?

    No—major regulators (FDA, EFSA, JECFA) consider it safe at permitted levels, with an EFSA ADI of 6 mg/kg body weight per day. Adverse reactions are uncommon and usually limited to rare hypersensitivity.

  4. How is blue 1 made?

    It’s synthesized from petroleum‑derived aromatic compounds by constructing a triarylmethane core, then sulfonating and oxidizing it to a water‑soluble disodium salt. The 'lake' form is produced by precipitating the dye onto aluminum hydroxide.

  5. Does blue 1 cause cancer?

    Current evidence does not show that Blue 1 causes cancer at permitted food-use levels. Long-term animal studies and evaluations by EFSA/JECFA have not identified carcinogenic or genotoxic concerns.