Lactic Acid (E270)
| Type of additive | Acidulants, Acidity Regulators, Preservatives |
| E Number | E270 |
| Chemical Formula | C₃H₆O₃ |
| Also Known As | Milk Acid |
Purpose and Function
- Lactic acid is commonly used as an acidulant to lower the pH of foods, contributing to their tart taste.
- It acts as an acidity regulator, ensuring the stability and safety of various foods by inhibiting the growth of harmful bacteria.
- As a preservative, lactic acid extends the shelf life of products like dairy, pickles, and fermented foods.
- Beyond food, lactic acid is used in skincare products for its exfoliating properties.
Potential Risks and Side Effects
It is generally recognized as safe for consumption and is naturally produced in the body during metabolism.
Some individuals with lactic acidosis (a rare metabolic condition) may need to avoid excessive intake.
Most studies show that when used in food, it does not pose significant health risks and is easily metabolized by the body.