Lactic Acid
Lactic Acid is a versatile ingredient that is used in the food industry as well as in cosmetics and medicine. Its preservative, moisturizing and antibacterial properties make it indispensable in manufacturing.
Technical aspects
Lactic Acid is in the form of a thick, colorless liquid with a characteristic sour taste. It is obtained as a by-product of a process known as bacterial fermentation of sugar, corn starch or milk whey. In the human body, Lactic Acid occurs in the muscle cells and red blood cells when the body is exercising intensively.
Lactic Acid also plays an important role as a nutrient and central metabolite for many organisms. It is soluble in water, alcohol and propylene glycol. It has preservative and antibacterial properties. Lactic Acid also has properties that are used in the cosmetics industry – at concentrations between 1 and 10% it has moisturizing properties. In the 30-50% range, however, it has an exfoliating effect.
| Physical and chemical properties | Value |
|---|---|
| Description | Transparent syrupy liquid, having an acid taste. |
| Color | Colorless or slightly yellow |
| Smell | Odorless or slightly characteristic odor |
| pH | 1 |
| Boiling Point | 122°C (1.85-2.0 kPa, 100%) |
| Melting Point | 53°C (100%) |
| Flammability | Not flammable |
| Specific Gravity | 1.20 – 1.21 |
| Viscosity | 0.0369 Pa·s (25°C, 86.6% water solution) |
| Solubility | Miscible with water and alcohol |
| Metal Corrosion | Low, 1.14 mm/year |
Download specification
Storage period
The storage period of Lactic Acid is 3 years. The product should be stored in its original packaging or in sealed containers.
Packaging
Foodcom S.A. offers Lactic Acid in an IBC container.
Application
Lactic Acid is frequently used in the food industry. As E270, it is usually a preservative and acidity regulator. Among other things, it is used in baking to make bread sour and in dairy, where it accelerates the fermentation process of dairy products. Lactic Acid gives various products, such as pickles, salad dressings, yogurts and sweets, a distinctive, slightly sour taste.
Lactic Acid is also used in cosmetics – due to its moisturizing properties, it can be used as an ingredient in cosmetics that provide smooth, even skin. In medicine, Lactic Acid is used as a probiotic – a preparation involved in the restoration of the digestive tract.
In the chemical industry, Lactic Acid can be used in the production of other chemical compounds and as an ingredient in cleaning agents.
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