Longcom Enterprise LTD.

   Description of Riboflavin (Vitamin B2)：

We can supply riboflavin (vitamin B2) with different type, and the goods widely used as food and feed additive.

1) Molecular formula: C17H20O6N4

2) Characteristics:
Yellow or orange yellow crystalline powder; smells slightly offensive, tastes slightly bitter;
slightly dissolves in water, not dissolve in ether, alcohol and chloroform, with the melting point of
281-290

3) Application:
Riboflavin (vitamin B2) is the essential necessity for organism in normal living as the nutriment for
infant, pregnant woman, nursing mother, patient after illness and the aged. It, involve, participates
in the metabolism of carbonhydrate, protein and fat, and is the major composition of flavor protein,
the transferring enzyme system of hydrogen. In clinical practice, it is applicable to perleche,
glossitis, ophthalmitis, conjunctivitis, seborrhea, scrotum inflammations with proper effect, in food
and feed industry, it is widely used as food and feed additive and have the Kosher Certified.

4) Specifications, packing standard:

-- Riboflavin (vitamin B2) USP26/BP2000
20kg/net fiber drum/carton

-- Riboflavin 95% DC grade
20kg/net fiber drum

-- Riboflavin 96% feed grade
20kg/net fiber drum/carton

--Riboflavin B2 80% SD (spray dried granule)
20kg/ carton