What is Bulk Ascorbic Acid Powder?
Bulk Ascorbic Acid Powder is a water-soluble vitamin. Widely present in animal liver, fruits, and vegetables, it is a small molecule organic compound. Chemically unstable, it is easily oxidized in air and alkaline environment and loses biological activity. Although vitamin C has no free hydroxyl groups, it still has the properties of organic acids, so it is also called ascorbic acid.
Name | Vitamin C;Ascorbic Acid; L-ascorbic acid; |
Assay | Synthetic-----99% Natural--------17% and 25% |
Appearance | 99% white powder;17% and 25% light yellow powder |
CAS No | 50-81-7 |
Molecular Formula | C6H8O6 |
Solubility | soluble in water |
Structure of Bulk Ascorbic Acid Powder:
ascorbic acid powder is composed of carbon, hydrogen, and oxygen. The molecular formula is C6H8O6, and the molecular weight is 176.1 g/mol. IUPAC name: 2,3,5,6-tetrahydroxy-2-hexene-4-lactone. There is an enediol group in the molecular structure of vitamin C, and the OH at the C3 position is affected by the conjugation effect, and the acidity is strong.
OH at the C2 position can form intramolecular hydrogen bonds. From the chemical composition point of view, vitamin C has strong reducibility, is easy to hydrolyze, and has extremely unstable chemical properties. It has a conjugated structure, and it is found that vitamin c has different absorption wavelengths under different acidity conditions by UV spectrophotometry.
Chemical properties:
①Acid. Vitamin C is a monobasic acid, and its acidity is extremely weak.
Experimental verification:
Dip the vitamin C solution with a glass rod and drop it on the blue litmus paper, and observe that the paper turns red. Then use a glass rod to dip a small amount of vitamin C and drop it on the PH test paper, and the pH is about 3. Finally, 2 drops of methyl orange test solution were added dropwise to the vitamin C solution, and the solution turned red.
Add NaOH solution dropwise to the vitamin C solution with methyl orange, and shake, and it can be observed that the solution changes from red to yellow. Add a small amount of NaHCO3 powder to the test tube, add vitamin C solution to it, and observe that the powder gradually disappears and bubbles are generated.
② reducibility.
Vitamin C can make acidic potassium permanganate solution fade, and can also react with ferric ions and iodine solution, all of which show its reducibility.
③ instability.
Vitamin C is unstable in an aqueous solution and is quickly oxidized to dehydroascorbic acid. Especially in neutral or alkaline solution, it is oxidized faster, and metal ions such as light, heat, iron, and copper will accelerate the oxidation and form stable metal salts. Vitamin C is a relatively strong reducing agent, and the color becomes darker after storage and becomes light yellow to varying degrees.
What is the main source of Bulk Ascorbic Acid Powder?
① source of life.
Vitamin C is a hexosyl acid that has anti-scurvy properties. Also called ascorbic acid. Mainly divided into two types: dehydrogenation and reduction, which are widely present in plant tissues. Food sources are fresh vegetables and fruits. Such as green vegetables, leeks, and other dark vegetables, and cauliflower, as well as citrus, grapefruit, and other fruits, are high in vitamin C content. Wild amaranth, alfalfa, bitter gourd, and sour jujube are especially rich in vitamin C.
②Industrial sources. With the improvement of the medical level and the development of the social economy, the demand for vitamin C is increasing. At present, there are two industrial synthesis methods of vitamin C: the Reidel chemical method and the two-step fermentation method.
How about Bulk Ascorbic Acid Powder?
l ascorbic acid powder is an essential nutrient for higher primates and a few other organisms. In vivo, vitamins as antioxidants and coenzymes play an important role in anti-aging and promoting the absorption of calcium and iron. With the continuous improvement of people's living standards and the unremitting pursuit of quality of life, vitamin C will be more widely used in daily health care and clinical medicine.
Please contact us directly through this page or medical@ysgcn.com to purchase high-quality ascorbic acid powder.
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