Is riboflavine (Vit B2) vluchtig?

Riboflavine (Vit B2) is een poeder die voldoet aan de eisen van de Europese farmacopee. De Martindale geeft het volgende mee “A yellow or orange-yellow crystalline powder. It exhibits polymorphism. Very slightly soluble in water; practically insoluble in alcohol. Store in airtight containers. Protect
from light. Solutions deteriorate on exposure to light, especially in the presence of alkali”