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Vitamin K2 2124-57-4

Vitamin K2 2124-57-4

98% up, 1.3% up by HPLC
  • Product Details

Product Information


Product name

Vitamin K2;  Menaquinone-7;  MK7;

Menaquinone-4;  MK4

CAS No.

2124-57-4

Molecular Formula

C46H64O2

Molecular Weight

649.013

Quality Standard

98% up, 1.3% up by HPLC

Appearance

1.3% is yellowish to yellow powder; 98% is yellow powder; 0.2% is light yellow powder; 1.3% is yellow oil; 1.5% is light yellow powder.


COA of Vitamin K2



Item                                       

Specifications                             

Results

Purity (HPLC,Menaquinone-7)

≥1.3%(>13000ug/g)

1.32%

Pharm.excipient(Carbohydrate)

≥90.0%

90.4%

Identification

Light Yellow Powder

Light Yellow Powder

pH

5.5~8.0

7.8

Loss on drying

≤10.0%

8.5%

Residue on ignition

≤0.1%

<0.1%

Reducing sugar

≤0.2%

<0.2%

Starch

Negative

Negative

Fatty acid

Negative

Negative

Heavy metals

≤10ppm

<10ppm

Arsenic

≤2ppm

Complies

Pesticides residue

Negative

Negative

Total aerobic count (CFU/g)

≤1000

Complies

Yeasts & Molds (CFU/g)

≤100

Complies

Salmonella SP.

Negative

Negative

E. Coli

Negative

Negative


Usage


Vitamin K2 has various derivates.The most common forms are synthetic vitamin K2 as menaquinone-4 (MK-4) and natural vitamin K2 as menaquinone-7 (MK-7). It is of great importance to bone and cardiovascular health.

All K vitamins are similar in structure, but differ in the length of the "side chain". The longer the side chain, the better effect and efficiency. Consequently, the long-chain menaquinones (especially MK-7) are the most desirable as they are nearly completely absorbed (body requires smaller doses) and stay in the blood for the longest time.

The European Food Safety Authority (EFSA)published the positive opinion to demonstrate causality between the dietary intake of vitamin K2 and the normal function of the heart and blood vessels. Then Vitamin K2, MK-7 from natto have been authenticated as new resources food. According to the data from WHO,the long-chain menaquinones(especially MK-7)are considered the best vitamin K2. The safety and function of Vitamin K2 (MK-7) has been approved.


Function of Vitamin K2

1. Nutritional supplements

Vitamin K2 is used as a food nutrient fortifier and can be used to formulate milk powder (only for children's milk powder, only for pregnant women's milk powder).


2. Health food

For health food, vitamin K2 has been included in the health food filing catalog, and currently only fermented vitamin K2 is allowed for filing. The functional ingredient of vitamin K2 (fermentation method), the daily upper limit of vitamin K2 (in terms of menadione heptaenone) is 100 g (14-17 years old, adults and pregnant women).

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