| Customization: | Available |
|---|---|
| Type: | L(-)-Malic Acid |
| Chemical Character: | Acidity |
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| Name | L(-)-Malic acid |
| Synonyms | L-Hydroxysuccinic acid; Apple acid |
| Molecular Structure | |
| Molecular Formula | C4H6O5 |
| Molecular Weight | 134.08 |
| CAS Registry Number | 97-67-6 |
| EINECS | 202-601-5 |
| Melting point | 101-103 ºC |
|---|---|
| alpha | -2 º (c=8.5, H2O) |
| Water solubility | soluble |
Malic acids are D-malic acid, DL-malic acid and L-malic acid. L-malic acid, also known as 2-hydroxysuccinic acid, is a circulating intermediate of biological tricarboxylic acid, which is easily absorbed by the human body, so it is widely used in food, cosmetics, medical and health products and other fields as a food additive and functional food with excellent performance. Malic acid, also known as 2-hydroxysuccinic acid, has two stereoisomers due to the presence of an asymmetric carbon atom in the molecule. It occurs in nature in three forms, D-malic acid, L-malic acid, and its mixture DL-malic acid. Malic acid is white crystal or crystalline powder, with strong hygroscopicity, easily soluble in water and ethanol. Has a particularly pleasant sour taste. L-malic acid is mainly used in the food and pharmaceutical industries.
L-malic acid contains natural moisturizing ingredients, can clear the skin surface wrinkles, make the skin become white, smooth and elastic, so it is favored in cosmetic formulations; L-malic acid can be prepared a variety of flavors, spices, used in a variety of daily chemical products, such as toothpaste, shampoo and so on; It is used abroad to replace citric acid as a new washing agent for the synthesis of high-grade special detergents. L-malic acid can be used in pharmaceutical preparations, tablets, syrupy, and can also be added to amino acid solution, which can significantly improve the absorption rate of amino acids. L-malic acid can be used to treat liver disease, anemia, low immunity, uremia, hypertension, liver failure and other diseases, and can reduce the toxic effect of anticancer drugs on normal cells. It can also be used for the preparation and synthesis of insect repellent and anti-tartar agent. In addition, L-malic acid can also be used as industrial cleaning agent, resin curing agent, synthetic material plasticizer, feed additive and so on.
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