Hangzhou Xiasha Biochemical Tech.Co.,Ltd.

Vitamin D₃ Powder Food Grade

1.Technical Process

     Vitamin D₃ Oil Food Grade is obtained from the downstream processing of Vitamin D₃ Crystal.

     Active ingredient:Vitamin D₃(Cholecalciferol).

   Enwrapped with Beta-Cyclodextrin.

2.Main specifications

Items		Specifications
Description		White Powder without odor
Identification	（1）	The chromatogram of the sample shows the same color of fluorescence spot at corresponding position,compared to the reference sample.
	（2）	Under chromatographic analysis of the assay,the holding time of the sample should confirm to that of the reference sample sieve
Size		95.0% min through #3
Loss on Drying		13.0% max
As		0.0001% max
Heavy Metal		0.002% max
Assay(C₂₈H₄₄O)		90.0%-110.0%
Microbiological
Bacteria number		1000/g max
Fungi number		100/g max
pathogene number		None

3.Analysis method of Assay
HPLC.Mobile phase,n-hexane:n-pentanol=996:4,Velocity,2.0ml/min.Wavelenght,254nm.

4.Usage
Used as additives in milk powder,rice flour,soft drink and calcium preparation.

5.Packing
Aluminum bags lined with food grade PE bags,then packaged into paper cartons.The package size can be made as per customers' requirement.

6.Stability and storage
Cold water dispersible.High Heat,Air,and Light Stability.The shelf life is 12 months.