Product Name
L-Malic Acid
CAS Number
6915-15-7
Molecular Formula
C4H6O5
Appearance
White crystalline powder
Description
L-Malic acid is a naturally occurring organic acid found in fruits, particularly apples, and plays a key role in the Krebs cycle (energy production) within cells. It is widely used in the food, beverage, and pharmaceutical industries due to its tart taste and its ability to enhance flavor. L-Malic acid is also known for its role as a chelating agent and antioxidant.
Uses
Food and Beverages
Flavoring Agent: Used to impart a tart, refreshing taste to food and drinks, including fruit juices, candies, soft drinks, and jams.
Acidulant: Regulates acidity and improves the taste of various food products. Commonly used in beverages and confectioneries.
01
Pharmaceutical Industry
Acidulant and Buffering Agent: Used in the formulation of effervescent tablets, syrups, and oral solutions to adjust pH and enhance stability.
Dietary Supplement: Incorporated into health supplements for its antioxidant properties and its role in cellular energy production.
02
Cosmetic Industry
Skin Care: L-Malic acid is used in exfoliating products like peels and creams, helping to remove dead skin cells and promote smooth skin.
Hair Care: Added to hair products for its ability to enhance shine and improve the health of the scalp and hair.
03
Agriculture
Soil Conditioner: L-Malic acid is used in agriculture to improve soil structure and fertility by chelating metal ions, thus enhancing nutrient uptake in plants.
04
Industrial Applications
Cleaning Agent: Due to its ability to dissolve calcium deposits, L-malic acid is used in industrial cleaners for descaling and rust removal.
05
Quality Standards
- Standards: Conforms to USP and EP
- Purity: ≥ 99%
- Heavy Metals: Lead ≤ 10 ppm, Arsenic ≤ 3 ppm, Cadmium ≤ 1 ppm
- Microbial Limits: Total Plate Count ≤ 1000 cfu/g, E. coli Negative, Salmonella Negative
- Solubility: Soluble in water, slightly soluble in alcohol.
Storage Conditions
- Store in a cool, dry place, away from direct sunlight and moisture.
- Keep the container tightly closed.
- Ideal storage temperature: 15-25°C.
- Protect from light and humidity to maintain stability.
References：
https://www.ncbi.nlm.nih.gov/search/all/?term=L-Malic+Acid
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