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Food Grade Lactic Acid is a high-purity, biodegradable organic acid widely used in food processing and preservation. It offers excellent acidity regulation, microbial inhibition, and flavor enhancement, making it an essential ingredient in beverages, dairy, confectionery, and bakery products.
Product Overview
Food-grade lactic acid (L(S)-2-hydroxypropanoic acid) is a liquid product produced by modern fermentation refinement techniques, using corn starch or corn stover as the raw material. It is a colorless or pale yellow, clear, viscous liquid with a mild acidic taste, and the aqueous solution is acidic. It has good hygroscopicity and can mix with water, ethanol, or ether but is insoluble in chloroform.
Product Features
- Mild Acidity:The product has a gentle acidic taste, making it suitable for a wide range of food applications.
- Easily Absorbed:Rapidly absorbed by the human body, meeting the needs of biochemicals and food industries.
- Good Solubility:Can mix well with various solvents, offering good compatibility.
- Acidic Aqueous Solution:Suitable for industries requiring an acidic environment.
Applications
- Food Industry:Primarily used for acid flavor adjustment, preservation, and other food processing needs.
- Pharmaceutical Industry:Used as a buffer and stabilizer in pharmaceutical processes.
- Electroplating Industry:Acts as a chemical raw material in the electroplating process.
- Other Industries:Widely used in chemical and fine chemical applications.
| Test Item | Specification | Remark |
| Identification | Acidic solution and positive reaction with lactate salt | Qualified |
| Lactic Acid Content (w/%) | 80-90 | Qualified |
| L-Lactic Acid as percentage of total lactic acid (w/%) | ≥98.5 | Qualified |
| Color (APHA) | ≤50 | Qualified |
| 6-month color at 25℃ (APHA) | ≤50 | Qualified |
| Density (20℃) (g/ml) | 1.18-1.21g/ml | Qualified |
| Odor | Slightly acidic | Qualified |
| Heavy Metals (w/%) | ≤0.001 | Qualified |
| Iron Salt (as Fe) (w/%) | ≤0.001 | Qualified |
| Chlorides (as Cl) (w/%) | ≤0.002 | Qualified |
| Arsenic Salts (w/%) | ≤0.0001 | Qualified |
| Sulfates (as SO4) (w/%) | ≤0.005 | Qualified |
| Calcium Salts (w/%) | ≤0.002 | Qualified |
| Ash Residue (w/%) | ≤0.1 | Qualified |
| Reducible Compounds | Passes test | Qualified |
| Solubility in Ether | Passes test | Qualified |
| Reducing Sugars | Passes FCC test | Qualified |
| Oxalates, Phosphates, Tartarates, Citric Acid | Passes USP test | Qualified |
| Methanol (w/%) | ≤0.2 | Qualified |
| Cyanides (w/%) | ≤0.0005 | Qualified |
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