Vitamin K1 is a polycyclic aromatic ketone, also known as Phylloquinone, 2-methyl-3-phytol-1,4-naphthoquinone.
It is widely found in natural green plants and also in breast milk.
As a fat-soluble vitamin, this ingredient will be decomposed in the sun, so it needs to be stored away from light.
Our factory provides Vitamin K1 Phylloquinone in powder and oil form.It is a yellow, clear, viscous, oily liquid.
In addition, customized capsules are also possible.
Items | Standard 0f USP43 | Result of test | |
Appearance | A clear, intense yellow,viscous,oily liquid,practically insoluble in water,sparingly soluble in alcohol,miscible with fatty oils. | conform | |
Identification | Refractive index | 1.523---1.526 | 1.526 |
UV spectrum | Test solution and std solution exhibit maxima at the same wavelength and absorptivity at 248nm is within 3.0% | conform | |
Infrared spectrum | Conformance with standard spectrum. | conform | |
Reaction 1 | A1 in 20solution of it in dehydrated Alcohol is neutral to litmus. | conform | |
Reaction 2 | Test the limit of menadione | conform | |
Assay(Z and E isomers) | 97.0%一103.0% | 98.20% | |
Assay(z isomer) | ≤21.0% | 14.46% | |
Conclusion | The product comply with USP43 |
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