Appearance: Fine orange-yellow needles. or powder.
Source: Yeasts and yeast products, Animal by-products
Vitamin B2, also called riboflavin, is one of the thirteen essential vitamins in the human body. Molecular formula, C17H20N4O6; Molecular weight, 376.37. With solubility 12mg/100mL at 27.5°C, Vitamin B2 is slightly soluble in water. It is also soluble in sodium chloride solution, easily soluble in dilute sodium hydroxide solution and alkaline solution. But it is stable in strong acid solution, and resistant to heat and oxidation. It will be irreversibly broken down under light and ultraviolet radiation.sorders of blood vessels including hemorrhoids, varicose veins, poor circulation in the legs (venous stasis), and bleeding (hemorrhage) in the eye or gums. It is often taken in combination with hesperidin.
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