Lactic Acid 2.8
Molecular Formula: C3H6O3
CAS Number: 50-21-5
HS Code: 2918110000
Appearance: Colorless to light yellow liquid
UN: 1760
LACTIC ACID
Food-grade 80% lactic acid refers to a concentrated solution of lactic acid, with 80% of the mixture consisting of pure lactic acid, while the remaining 20% typically comprises water and trace impurities. This high concentration of lactic acid makes it useful for various food-related applications. In addition to its preservative function, food-grade lactic acid also acts as a flavor enhancer, contributing a mild tartness to certain food products. It is generally recognized as safe (GRAS) by food safety authorities when used within specified limits. The 80% concentration is typically diluted before use in food manufacturing, ensuring that the product meets the necessary quality standards without altering the food's taste or safety profile.
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Item |
RESULTS |
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Assay
|
80.1%
|
|
Fresh color
|
70apha
|
|
Stereo chemical purity
|
95%
|
|
Density
|
1.19 g/cm3
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|
Chloride
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< 20 ppm
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|
Cyanide
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< 5 ppm
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|
Iron
|
< 10 ppm
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The fermentation process begins with the preparation of a nutrient-rich medium, typically containing sugars from sources like corn, sugarcane, or beets. The chosen strain of LAB is then inoculated into the medium, and the fermentation is carried out under controlled conditions of temperature, pH, and oxygen levels. As the microorganisms metabolize the sugars, they produce lactic acid, which accumulates in the fermentation broth.
After fermentation, the lactic acid is separated and purified through processes such as filtration, neutralization, and crystallization. The final product is often concentrated and further processed to meet the required food-grade standards. The fermentation method is favored for producing lactic acid as it is a sustainable, eco-friendly approach that uses renewable resources, and the lactic acid produced is of high purity, suitable for various food applications.
This biotechnological process is preferred over synthetic methods due to its natural origin, low environmental impact, and the ability to produce lactic acid in large quantities.









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