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Vitamins, also known as vitamins, are indispensable nutrients for maintaining life, ensuring health, promoting growth, enhancing body resistance and regulating physiological functions. Specifically, vitamins are divided into two categories, fat-soluble and water-soluble, fat-soluble including vitamin A, vitamin D, vitamin E, vitamin K, water-soluble including vitamin B and vitamin C. The main role of vitamin A is to maintain normal vision and prevent night blindness. Vitamin D is mainly to regulate the metabolism of calcium and phosphorus in the body, promote absorption and utilization, and promote the growth of bones. Vitamin E is mainly to maintain normal reproductive capacity and normal muscle metabolism, and to maintain the integrity of the central nervous and vascular systems. Vitamin k is mainly used to stop bleeding, not only is it the main component of prothrombin, but also promotes the manufacture of prothrombin by the liver, and pediatric patients are prone to vitamin k deficiency.

Vitamin K can be divided into two categories, one is fat-soluble vitamins, namely vitamin K1 extracted from green plants (such as alfalfa, spinach and other green leafy plants, etc.) and vitamin K2 extracted from microorganisms, human intestinal bacteria (such as Escherichia coli) can also synthesize vitamin K2. Vitamin K1 is a yellow oily substance and K2 is a light yellow crystal. Both have heat resistance, but are easily damaged by ultraviolet radiation, so they should be stored away from light. The other type is water-soluble vitamins, which are artificially synthesized, namely vitamin K3 and K4. The most important are vitamins K1 and K2.

Vitamin B4 (adenine), also known as 6-aminopurine, is one of the four nucleobases that make up DNA and RNA molecules, with the chemical formula C5H5N5. It exists mainly in the form of adenine nucleotides in vivo. It is involved in the formation of a variety of important intermediate substances, such as ATP and NADP, in metabolic pathways in vivo. Foods that contain more vitamin B4 are: animal offal, meat, soy products, shrimp, sardines, oysters, spinach, black fungus, squid, mushrooms, etc. Because vitamin B4 is heat-resistant, there is less loss during processing and cooking, and the content of vitamin B4 in food is almost unchanged after long-term storage in a dry environment.

Vitamin b6 is a water soluble vitamin and is part of the vitamin B complex group. Several forms of the vitamin are known, but pyridoxal phosphate (PLP) is the active form and is a cofactor in many reactions of amino acid metabolism, including transamination, deamination, and decarboxylation. PLP also is necessary for the enzymatic reaction governing the release of glucose from glycogen.

Vitamin D3 is a fatsoluble vitamin, is used as a precursor for calcium, phosphorus metabolic hormones, it has close relationship with sunshine, so also called the "sunshine vitamin". Vitamin D3 is fat soluble, insoluble in water, can dissolve in fat or fat solvents, high temperature and oxidation in neutral and alkaline solution.

Vitamin B1 (Vitamin B1, VB1), also known as thiamine, is the earliest water-soluble vitamin purified by people. Its chemical name is 3-[(4-amino-2-methyl-5-pyrimidinyl)-methyl chloride. ]-5-(2-hydroxyethyl)-4-methylthiazolium hydrochloride.

Vitamin A oil can be cured after freezing. It has weak light and oxygen resistance and is easily decomposed by lipoxygenase. Vitamin A oil is insoluble in water and glycerol. Vitamin A oil is miscible with ether and fat.

Vitamin A acetate dry powder is a light yellow fine spherical powder with good fluidity, containing 325000 units of vitamin A acetate per gram. The double encapsulation technology adopted and produced in the GMP standard 100000 purification workshop greatly reduces the sensitivity to oxygen, heat, light and humidity. It can be rapidly and completely dispersed in cold water, fruit juice, milk and other liquids, and can remain stable for a relatively long time.

Vitamin AD (vitamin A and D) is an essential substance for human growth and development.

Vitamin K3 liver enzymes necessary for the synthesis of the material, and the synthesis of coagulation factors involved in maintaining the animal's physiological process of blood coagulation. It is a bone hormone (BGP) synthesis process indispensable factor. Vitamin K3 has a diuretic, enhance liver detoxification function, involved in membrane structure, lower blood pressure function

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Vitamin B2, also known as riboflavin, is slightly soluble in water, stable in neutral or acidic solution under heating. It is a composition of cofactor of yellow enzyme responsible for deliverying hydrogen in the biological redox in our body. This product is dry uniform flowable particle made by microbial fermentation in which use glucose syrup and yeast extract as raw materials, and then get refined through membrane filtration, crystallization, and spray-drying process.

Vitamin B5 (calcium pantothenate) has many advantages and applicaitons. In medicine industry: the panthenol partispate in the metabolism. In food industry: it promotes human body protein, fat, carbohydrate metabolism and nutrition supplement and improves immunity. Care hair: Moisturizing function, prevent hair open fork and increase the density of hair and improve hair quality luster. Care nails: To improve the hydration of nails and make nail pliable.

Vitamin C has strong reducibility and is easily oxidized to dehydrovitamin C. However, the reaction is reversible, and ascorbic acid and dehydroascorbic acid have the same physiological function, but if dehydroascorbic acid is further hydrolyzed to produce diketogulonic acid, the reaction is irreversible and completely loses its physiological efficacy.

Vitamin C Coated wraps a layer of medicinal polymer film coating on the surface of VC crystal. Viewed under a high microscope, it can be seen that most of the VC crystals are encapsulated. The product is a white powder with a small amount of particles. Due to the protective effect of the coating, the antioxidant capacity of the product in the air is stronger than that of the uncoated VC, and it is not easy to absorb moisture.

If you want to balance the risk of getting skin cancer than you must take some efficient amount of Vitamin D in your daily life.

It is used to strengthen the nutrition of solid and liquid beverages, water-based foods and common foods. It can also be used for tabletting and hard capsules.

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Potato is one of the common ingredients in western countries and it is rich in vitamin B which also has an important role in denying aging process.Eating potato daily can give you a healthy lifestyle and long life.