L-Malic Acid CAS 97-67-6 Best Price Food and Pharmaceutical Additives
Product Description
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 Chemicalbook 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.
COA
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ITEMS |
STANDARD |
TEST RESULT |
| Assay | 99% L-Malic Acid | Conforms |
| Color | White powder | Conforms |
| Odor | No special smell | Conforms |
| Particle size | 100% pass 80mesh | Conforms |
| Loss on drying | ≤5.0% | 2.35% |
| Residue | ≤1.0% | Conforms |
| Heavy metal | ≤10.0ppm | 7ppm |
| As | ≤2.0ppm | Conforms |
| Pb | ≤2.0ppm | Conforms |
| Pesticide residue | Negative | Negative |
| Total plate count | ≤100cfu/g | Conforms |
| Yeast & Mold | ≤100cfu/g | Conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
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Conclusion |
Conform with Specification |
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Storage |
Stored in Cool & Dry Place, Keep Away From Strong Light And Heat |
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Shelf life |
2 years when properly stored |
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Function
L-Malic Acid serves multiple functions in different applications. It acts as an acidulant, flavor enhancer, and preservative in food and beverage products. It provides a sour taste and helps to balance flavors in various culinary formulations. Additionally, L-Malic Acid also functions as a chelating agent, buffering agent, and pH regulator in different industrial processes.
Application
1. Food and Beverage: L-Malic Acid is commonly used in the food and beverage industry as an acidifier and flavor enhancer. It is added to carbonated drinks, fruit juice concentrates, candies, confectioneries, and various other food products to provide a tangy flavor.
2. Pharmaceutical: L-Malic Acid is utilized in the pharmaceutical industry as an excipient in the formulation of medications. It aids in the stabilization and solubilization of drugs and can also enhance the bioavailability of certain pharmaceutical compounds.
3. Cosmetics and Personal Care: L-Malic Acid is employed in cosmetics and personal care products as an exfoliant and skin-conditioning agent. It helps to promote skin cell turnover, improve skin texture, and achieve a smoother complexion. It is commonly found in facial cleansers, masks, and exfoliating creams.
4. Industrial Applications: L-Malic Acid is utilized in various industrial processes as a chelating agent and pH regulator. It is used in metal cleaning, electroplating, and water treatment applications. Additionally, it finds application in the production of polymers, adhesives, and detergents.
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