Vitamin B1, also known as thiamine, enables the body to use carbohydrates as energy. It is essential for glucose metabolism, and it plays a key role in nerve, muscle, and heart function. Vitamin B1 is a water-soluble vitamin, as are all vitamins of the B complex.
|
Test Item |
Specification |
Result |
|
Appearance |
white or almost white crystalline powder or colourless crystals |
White crystalline powder |
|
Identification |
(1) should be positive reaction |
(1) positive reaction |
|
(2) Consistent with the reference IR spectra |
(2) Consistent with the reference IR spectra |
|
|
Appearance of solution |
clear,not more intense than Y7 |
clear, not more intense than Y7 |
|
Heavy metals |
NMT 20ppm |
<20ppm |
|
PH |
2. 7~3. 3 |
2. 9 |
|
Sulphates |
NMT300ppm |
<300ppm |
|
Limit of nitrate |
No brown ring |
No brown ring |
|
Water |
NMT 5.0% |
2. 4% |
|
Residue on ignition |
NMT 0. 1% |
0. 08% |
|
Absorbance of solution |
NMT 0. 025 |
0. 019 |
|
Residual Solvents |
||
|
--Methanol |
NMT 0. 3% |
<0. 3% |
|
- - Ethanol |
NMT 0.5% |
<0. 5% |
|
Related substances (Disregard limit 0. 05%) |
||
|
--Impurity A |
NMT 0. 15% |
0. 03% |
|
--Impurity B |
NMT 0. 3% |
0. 01% |
|
--Impurity C |
NMT 0. 15% |
0. 01% |
|
--Any impurity |
NMT 0.1% |
0. 05% |
|
--Total impurities |
NMT 0.5% |
0. 17% |
|
Assay |
98. 5〜101. 0% |
99. 5% |
Aquatic animals
Because vitamin B1 has a wide range of effects in aquatic animals, the long-term shortage of vitamin B1 not only affects its growth, but also produces a series of deficiencies through the metabolic reaction disorder in the body.
poultry
Vitamin B1 is essential in poultry feed formula. Adding vitamin B1 to the diet can increase the body weight of broilers
Ruminants
Vitamin B1 has a special nutritional effect on ruminants. Vitamin B1 is a specific drug in the treatment of bovine ketone body disease and equine myoglobinuria. It is widely used in organophosphate poisoning, food poisoning and drug poisoning.
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