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HEBEI HUANWEI BIOTECH CO.,LTD.
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Product description:
1) Specification: BP/USP
2) CAS No.: 83-88-5
3) Appearance:Orange yellow crystalline powder
4)Function: Vitamin B2, also known as riboflavin, is an easily absorbed micronutrient with a key role in maintaining health in humans and animals. It is the central component of the cofactors FAD and FMN, and is required by all flavoproteins . As such, vitamin B2 is required for a wide variety of cellular processes. Like the other B vitamins, it plays a key role in energy metabolism, and for the metabolism of fats, ketone bodies, carbohydrates, and proteins.
Quality standard:
| Test Items |
Specifications |
Results |
| Appearance |
Orange yellow crystalline powder |
Meets |
| Identification |
Positive |
Meets |
| Acidity or Alkalinity |
check the color of the test solution after adding the respective solutions |
Meets |
| Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025(USP);not more intense than BY6(EP/BP |
0.009 Meets |
| Absorbance |
0.31-0.33 A373nm/A267nm 0.36-0.39 A444nm/A267nm |
0.32 ,0.38 |
| Particla Size |
100% passes through 80 mesh sieve |
Meets |
| Specific Rotation |
between-115° and 135° (EP/BP/USP) |
-127° |
| Loss on drying |
≤1.5% |
0.4% |
| Heavy Metals |
<10ppm |
Meets |
| Residue on Ignition |
≤0.3%(USP) ≤0.1%(EP/BP) |
0.1% |
| Residual Solvents |
Method IV <467> (USP) |
Meets |
| Assay(on dried basis) |
98.0%-102.0%(USP) 97.0%-103.0%(EP/BP ) |
100.4% |
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HEBEI HUANWEI BIOTECH CO.,LTD.
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Specifications:
Identification: Positive
Particle Size(0.28MM Sieve): 90% pass through
Loss on dring: 3.0% max
Residue on ignition: 5% max
Volatilizable Impurity of Organic: Conform
Assay (on dry basis) (HPLC): 80% min
Apperrance: Yellow to Orange-yellow free flowing powder.
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ITEM
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STANDARD
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Character
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Yellow to Orange-yellow free flowing particle
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Identification Positive
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Must comply
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Particle Size(0.28MM Sieve)
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Sieve 90% pass through 0.28mm normal sieve
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Loss on dring
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3.0% max
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Residue on ignition
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5% max
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Volatilizable Impurity of Organic
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Msut comply
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Assay(on dry material)
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77.8-84%
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Inspection method
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According to “Feed additive-Riboflavin flowing particle”GB/T 18632-2002.
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Packing: Normally in 25kg paper cartons with PE liners.
Storage: Stable powder, keep container closed in a dark, dry and cool condition when in not use
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Benepure Pharmaceutical Co., Ltd.
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Yellow or orange yellow crystalline powder; smells slightly bitter; Slightly dissolves in water, not dissolve in ether, alcohol and chloroform, with the melting point of 281∽290℃.BENEPURE.Riboflavin 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 metabolishm of carbonhydrate, protein and fat, and is the major composition of flavorprotein, the transferring enzyme system of hydrogen, In clinical practice, it is applicable to perleche, glossitis, ophthalmitis, conjunctivitis, ceborrhea, scrotum inflammations with proper effect ,In food and feed industry, it is widely used as food and feed additives.
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