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What Are You Looking For?
Vitamin D3 is a fat-soluble vitamin, commonly referred to as the "sunshine vitamin" due to its synthesis being linked to exposure to sunlight. It has a crucial function in the absorption and storage of calcium and phosphorus.
Item NO.:
CAS NO. 67-97-0Color:
White columnar crystals or crystalline powderPackage:
25Kg/DrumDescription
Vitamin D3, also known as cholecalciferol, is a type of vitamin D that has been shown to be the true active form of vitamin D in the body.
Specification
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Item |
Specification |
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Description |
White to light yellow free-flowing powder,no foreign matter and no odor |
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Identification |
The retention time of the principal peak conforms to which in the reference solution |
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Particle Size |
100%pass through sieve 40 mesh 90%pass through sieve 80 mesh |
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Vitamin D₃Assay |
≥500,000iu/g |
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Loss on Drying |
≤5.0% |
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Arsenic(as As) |
≤2.00ppm |
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Lead (as Pb) |
≤2.00ppm |
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Total aerobic microbial count |
≤1000cfu/g |
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Total moulds and yeasts count |
≤100cfu/g |
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Enterobacterial |
≤10cfu/g |
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Net Content |
Comply with good packing practices |
Application
Vitamin D3 is the most crucial vitamin for promoting the absorption of calcium and phosphorus. It plays a vital role in the formation of bones, teeth, and other tissues by facilitating their incorporation into these structures. Without sufficient vitamin D3, even if there is an adequate amount of calcium and phosphorus present, their utilization efficiency will be significantly reduced. Therefore, long-term supplementation of vitamin D3 in livestock and poultry feed is essential to ensure optimal health. The addition of vitamin D3 to animal feed promotes the absorption of calcium and phosphorus, while its deficiency can hinder the absorption of dietary calcium leading to bone dysplasia and thinning eggshells.
Dosage
The utilization rate of vitamin D2 and D3 is equivalent in pigs, whereas the utilization rate of vitamin D2 in poultry is only 1/40-1/30 compared to that of D3. In cases of vitamin D3 deficiency, eggshells tend to become thinner, resulting in a decrease in egg-laying rate and the occurrence of rickets. The recommended dosage is 1000-1500 IU/kg.
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