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Vitamin D3 Powder

CAS:67-97-0

FOB Price:10 USD/KG

Port:Shanghai

Minimum Order Quantity:1 KG

Supply Ability:20 MT/Quarter

Description

Vitamin D3 (cholecalcidol) is mainly synthesized by the body itself. The body’s skin contains a type of cholesterol that is turned intovitamin D3 by sunlight. Therefore, if the child can fully accept direct sunlight on the skin for more than 4-6 hours, its own synthesis oivitamin D3, it can basically meet. However, the increase in skin cancer caused by ultraviolet radiation, air polution, and local weathelchanges have reduced the time of sun exposure in all countries, and many countries have clear requlations to limit the time of sunexposure, so vitamin D deficiency is widespread around the world.

ITEMS	SPECIFICATIONS
Appearance	A white crystalline powder
Identification	Infrared Absorption	The IR spectrum of sample corresponds to that spectrum of Cholecalciferol Crystalline Reference Standard.
	UV	265nm,Absorptivity NMT3.0%
	Color Test	A bright red color is produced,and it rapidly changes through violet and blue to green.
Impurities	7-Dehydrocholesterol	NMT 0.5%
	Other individual related compound	NMT 0.1%
	Total impurities	NMT 1.0%
Specific rotation[a]_D ²⁵	+105.0°~ +112.0°
Assay(HPLC) (as C₂₇H₄₄O)	97.0% ~103.0%
Remarks: *Tested periodically to ensure the requirements are met.

Application

1, improve the body’s absorption of calcium and phosphorus, so that the level of plasma calcium and plasma phosphorus reaches
saturation.
2, promote growth and bone calcification, promote healthy teeth;
3, increase the absorption of phosphorus through the intestinal wall, and increase the reabsorption of phosphorus through the renaltubules;
4. Maintain the normal level of citrate in the blood
5, prevent amino acid loss through the kidney.