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Riboflavin (Vitamin B2)

VitaminsE101CAS 83-88-5

Vitamin B2, used for nutrient fortification and, at higher concentrations, as a natural yellow-orange colourant (also listed as a colour additive under E101).

Physical state
Powder
Solubility
Slightly soluble in water
Odour
Odourless
Typical usage level
Set by target nutrient content, typically well under 0.1% of finished product weight
Regulatory overview

EU and US regulatory context

EU Context
Regulation
Regulation (EC) No 1925/2006 (fortification); purity under Commission Regulation (EU) No 231/2012
E-number
E101
Status
Authorised nutrient source
Key standard
Confirm current Ph. Eur. / FCC monograph specification with the supplier.
US Context
FDA status
GRAS (Generally Recognized as Safe)
CFR reference
Pending. Confirm exact citation before publishing to a client-facing document.
Common declaration
Riboflavin
Notes
Pending
Functions & applications

Nutrient fortificant / natural colourant

Technical functionWhat it does
vitamin B2 fortificationSupplies vitamin B2 to meet a nutrient content claim.
yellow-orange colouring at higher concentrationFunctions as a natural colourant above fortification-level dosing.

Recommended applications

Dairy & nutrition
Nutrient fortificant / natural colourant
Fortified cereals
Nutrient fortificant / natural colourant
Infant nutrition
Nutrient fortificant / natural colourant
Specifications

Technical specification

AppearanceYellow to orange-yellow crystalline powder
ColourYellow to orange-yellow crystalline powder
OdourOdourless
SolubilitySlightly soluble in water
MoisturePending. Confirm against the current supplier CoA.
AssayPending. Confirm against the current supplier CoA.
pHPending
Lead (heavy metals)Pending. Confirm against the current supplier CoA.
Arsenic (heavy metals)Pending. Confirm against the current supplier CoA.
Cadmium (heavy metals)Pending. Confirm against the current supplier CoA.
Mercury (heavy metals)Pending. Confirm against the current supplier CoA.
Total plate countPending. Confirm against the current supplier CoA.
SalmonellaPending. Confirm against the current supplier CoA.
E. coliPending. Confirm against the current supplier CoA.
Yeast & mouldPending. Confirm against the current supplier CoA.
Packaging25kg multiwall paper bags with PE liner, on ISPM-15 treated pallets
Shelf life24 months from production date, unopened
StorageStore in a cool, dry place, away from direct sunlight.

Values marked "Pending" require confirmation against the current supplier CoA before being issued to a client.

Compliance

Legal & compliance notes

Allergen status
Does not contain any of the 14 major EU allergens.
GMO status
Typically produced by fermentation; confirm the fermentation substrate with the supplier for a non-GMO claim.
Irradiation
Not irradiated.
Halal / Kosher
Typically available. Confirm certification with the specific supplier.
  • Critical QC checkpoints: Assay, Heavy metals, Loss on drying.
Customs reference

Import classification data

CN code (8-digit)Pending
TARIC (10-digit)Pending
EU import dutyPending
Anti-dumping measureNone on file
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