Disclaimer: This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and may change. Always refer to your local regulatory authority for the most current information.
Riboflavin
E101 | INS 101
Names & Identifiers
- E Number
- E101
- INS Number
- 101
- CAS Number
- 83-88-5
- Scientific Name
- 7,8-Dimethyl-10-ribityl-isoalloxazine
- Japanese Name
- リボフラビン
- Also Known As
- Vitamin B2, Lactoflavin
Regulation Status by Country
European Union
Status: approved | Max level: quantum satis mg/kg
Approved for general use
United States
Status: approved | GRAS, Exempt from certification
Also approved as a nutrient supplement
Japan
Status: approved | Category: 既存添加物
Also used as a nutritional fortification agent
Australia / New Zealand
Status: approved | Code: 101
Canada
Status: approved
What is Riboflavin?
Classification
Function: colour
Type: natural
Source: vitamin
Natural Occurrence
An essential vitamin (Vitamin B2) naturally present in many foods, particularly dairy products and green vegetables.
Found in: milk, eggs, almonds, leafy vegetables, meat, yeast
How It's Made
Method: fermentation
Commercially produced by microbial fermentation using Bacillus subtilis or Ashbya gossypii, or by chemical synthesis.
Uses Beyond Food
- Cosmetics: Used in skincare products for its antioxidant properties.
- Pharmaceutical: Used as a vitamin supplement and as a colorant in pharmaceutical formulations.
Commonly Found In
Riboflavin is typically used in:
Note: This list shows typical product categories and may vary by brand and region. Always check product labels for actual ingredients.
Safety Evaluations (Official)
EFSA (EU)
ADI: Not specified (vitamin)
Evaluated: 2013
ADI = Acceptable Daily Intake (mg per kg of body weight per day)
Research & Official Documents
Official evaluations and scientific research:
Search research databases:
Frequently Asked Questions
What is Riboflavin (E101)?
Riboflavin (E101) is a colour used in food products. It is natural and vitamin. An essential vitamin (Vitamin B2) naturally present in many foods, particularly dairy products and green vegetables.
Where is Riboflavin found naturally?
Riboflavin is naturally found in milk, eggs, almonds, leafy vegetables, meat, yeast. An essential vitamin (Vitamin B2) naturally present in many foods, particularly dairy products and green vegetables.
What is the ADI for Riboflavin?
The Acceptable Daily Intake (ADI) for Riboflavin is Not specified (vitamin) as established by JECFA (Joint FAO/WHO Expert Committee on Food Additives). ADI represents the amount that can be consumed daily over a lifetime without appreciable health risk.
What foods contain Riboflavin?
Riboflavin is used in various food categories including Dairy products and analogues. It is used as a colour in these products.
Is Riboflavin the same as Vitamin B2?
Yes, Riboflavin is also known as Vitamin B2, Lactoflavin. These are different names for the same substance.
Related Additives
Other colours in our database: