Food-Grade Nisin (E234) Preservative Effective Antimicrobial Agent

Nisin (E234) is a natural antimicrobial peptide. It is a type of food preservative that belongs to the group of bacteriocins. Unlike synthetic preservatives, Nisin offers a more natural, healthier option for extending shelf life and preventing spoilage.

Nisin (E234) is a small, antimicrobial peptide typically used as a preservative in food applications.

It appears as a pale brown powder, and its solubility in water increases with decreasing pH. Preservative Nisin has gained popularity in modern food processing due to its safety, effectiveness, and natural origin.

Nisin food preservative is often used in dairy products, such as cheese and processed meats. It is considered safe for consumption and is approved by food safety authorities in many countries, including the FDA and EFSA.

 

ITEMS	SPECIFICATION
Appearance	Grey or White Powder
Water Content	Max 3%
pH of 10% Aqueous Solution	3.10-3.60
Pb	Max 10mg/kg
As	Max 3mg/kg
Sodium Chloride	Min 50%
Hydrous Potency	Min 1 × 10 6 IU/g
Microbiological Count	Max 10/g
E.Coli in 25g	Absent
Salmonella in 25g	Absent

 

1. Application in dairy products

Nisin in Cheese: In the dairy industry, Nisin is commonly used in cheese production. Nisin in cheese production can inhibit the growth of spoilage bacteria and prevent the development of Listeria monocytogenes and Clostridium botulinum, which are common in dairy products.

Nisin in Yogurt: In yogurt manufacturing, Nisin can prevent the overgrowth of spoilage microorganisms, maintaining the product's freshness and flavor.

 

2. Application in meat products

In sausages and deli meats, it helps combat the growth of Clostridium botulinum, a dangerous pathogen that can cause food poisoning. By suppressing the growth of this and other spoilage bacteria, Nisin preservative not only safeguards public health but also helps maintain the texture and taste of the meats, preventing rancidity and off-flavors.

 

3. Application in canned food

In canned and bottled foods, Nisin preservative is a valuable asset. It can prevent the growth of thermophilic spore-forming bacteria that might survive the canning process. For example, in canned vegetables and fruits, these spores could germinate and lead to spoilage, but Nisin keeps them in check.

 

4. Use in beer

Nisin does not inhibit yeast, which can also be applied to the brewing of alcoholic beverages such as beer, fruit wine, distilled spirits, etc., to prevent rancidity caused by lactic acid bacteria.

 

5. Application in fruit juice drinks

The rancidity of fruit juices and juice beverages is often caused by acid terrestrial bacillus (alicyclic acid earth). Nisin has an inhibitory effect on most Gram-positive bacteria.

 

Carton box or paper bag of 25kg net each or equivalent.

 

SHELF LIFE:12 months in unopened original packaging under the storage conditions.

 

STORAGE & TRANSPORATION:

Kept in a cool and dry place, in a sealed container; 4-15 ℃ is recommended

Keep the safety of the packaging in transportation. Shippers as non-dangerous goods.

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