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Introduction and role of Propionic acid feed grade

Views: 0     Author: Yuki     Publish Time: 2024-05-15      Origin: Site


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Propionic acid feed grade is a specific formulation of propionic acid that is intended for use in the animal feed industry. It serves as a preservative to prevent mold growth, which is particularly important for the storage of fodder and feed that is prone to rapid spoilage due to microbial activity.

Propionic acid is a short-chain fatty acid with a variety of uses and effects:


1. Preservative in Food and Feed Industry: Propionic acid and its salts are used as preservatives in the food industry, particularly in bread and pastries, to prevent spoilage caused by microbial activity. It is also used in animal feed as a mold inhibitor to maintain freshness and nutritional value.

2. Health Benefits: Studies suggest that propionate (the salt form of propionic acid) may play an important role in regulating appetite. Additionally, propionate intake is negatively correlated with vascular calcification scores, indicating it may have an inhibitory effect on vascular calcification.

3. Intestinal Health: Propionic acid is one of the short-chain fatty acids produced by beneficial bacteria in the gut through the fermentation of dietary fiber, which is crucial for gut health. It can help improve gut barrier function and alleviate inflammation.

4. Antimicrobial Action: Propionic acid has selective antimicrobial properties, capable of inhibiting bacterial growth by lowering the intracellular pH of bacteria, particularly neutrophilic bacteria like E. coli. However, for acidophilic bacteria such as Lactobacillus, the inhibitory effect of propionic acid is weaker due to their acid tolerance mechanisms.

5. Chemical and Industrial Applications: Propionic acid is also widely used in the chemical industry as an organic reagent, esterification agent, plasticizer, and in the synthesis of intermediates.

6. Medical Uses: Derivatives of propionic acid find applications in the medical field, for instance, propionic anhydride is used as an acylating agent in the synthesis of certain antibiotics.

7. Physical Properties: Propionic acid is a colorless, oily liquid with a pungent odor and is miscible with water, ethanol, chloroform, and ether.

8. Chemical Properties: Propionic acid is a weak acid with a pKa value of 4.87 at 25°C and can participate in various chemical reactions such as neutralization, double decomposition, and substitution reactions on the hydroxyl group of the carboxyl group.

9. Safety and Hazards: Propionic acid has certain environmental and health hazards and needs to be handled and stored properly to prevent harm to aquatic life and human health.

10. Storage and Transportation: Propionic acid should be stored in a cool, well-ventilated warehouse, away from fire and heat sources.

These functions and uses highlight the versatility of propionic acid across different industries, but also emphasize the importance of safe handling and awareness of its potential hazards.



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