Description

Vitamin B2 (Riboflavine): 1. Introduction:
*  Vitamin B2 (Riboflavine), is yellow or orange-yellow crystalline powder, a little bitter, a little odor, MP **0 degree (decomposition).
*  Vitamin B2 (Riboflavine), is very slightly dissolves in water and practically insoluble in alcohol, easily dissolves in NAOH solution. 2. Specification: Test Items Test Standard Appearance  Orange yellow powder or crystalline powder Identification  Conform Loss on drying  ≤1.5% Residue on ignition  ≤0.3% Specific rotation  ***5~***5 Lumiflavin  **0nm Absorbance ≤ 0.**5 Absorbance       ********-  Organic volatile impurity Meets the requirements   Acidity or alkalinity       ********- Assay(on dried basis)  *8.0~**2.0% 3. Functions:
1). Vitamin B2 (Riboflavine), can help accelerate growth and cell reproduction.
2). Vitamin B2 (Riboflavine), can promote normal skin, nail, and hair growth.
3). Vitamin B2 (Riboflavine), can remove mouth or tongue inflammation.
4). Vitamin B2 (Riboflavine), can also improve vision, and alleviate eyestrain.