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  6. Preservative Polylysine / Natural microbial fermented amino acids that contribute to food poisoning prevention.

Preservative Polylysine / Natural microbial fermented amino acids that contribute to food poisoning prevention.

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Polylysine

last updated:Jul 16, 2025

JNC
JNC
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Polylysine is a polyamino acid used as a food preservative. It contributes to the prevention of foodborne illnesses, which have become a problem in recent years.

ε-Polylysine (hereinafter referred to as Polylysine) is a homopolymer consisting of 25 to 35 units formed by the amine group at the ε-position and the carboxyl group at the α-position of the amino acid L-lysine, linked by amide bonds. It has over 30 years of manufacturing experience and is widely used as a food preservative derived from amino acids. By adding Polylysine, the growth of microorganisms that cause food poisoning can be prevented. Every year, food poisoning caused by microorganisms is a significant issue and is frequently reported in the news. Even foods that appear to be fresh can experience rapid microbial growth if the conditions are right, so caution is necessary. Even if the appearance is good, contamination by bacteria can progress, posing a risk of food poisoning. In addition to hygiene management during the manufacturing process and proper storage at appropriate temperatures, the effective use of the preservative Polylysine can help ensure food safety more effectively. 【Features】 ■ A safe material produced through fermentation by natural microorganisms (not genetically modified organisms) ■ Provides a positive image as a natural fermentation product ■ Listed in the existing additive registry as a food preservative ■ A safe domestic product

    Shelf life enhancer
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Preservative Polylysine / Natural microbial fermented amino acids that contribute to food poisoning prevention.

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**Characteristics of Polylysine** - Exhibits excellent antibacterial effects against various microorganisms in small amounts. - Shows antibacterial effects over a wide pH range. - Excellent thermal stability. - Demonstrates synergistic effects when used in combination with chelating agents. - Has a rich track record of use as an additive in cosmetics, hygiene materials, and daily necessities. - Possesses excellent properties as a preservative with high safety. - Highly soluble in water, making it easy to use in food. - Exhibits excellent growth inhibition effects against a wide range of microorganisms, including gram-positive bacteria (such as Bacillus cereus), gram-negative bacteria (such as Escherichia coli), and yeasts, particularly against food poisoning bacteria. - Also shows excellent growth inhibition effects against heat-resistant bacteria, including Bacillus subtilis. - Exhibits strong inhibitory effects against lactic acid bacteria, which significantly affect food spoilage. - High safety has been confirmed through acute toxicity, subacute toxicity, chronic toxicity, mutagenicity, and pharmacokinetic tests in accordance with the guidelines of the Ministry of Health, Labour and Welfare. *For more details, please download the PDF or feel free to contact us.*

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Model number overview
25% Aqueous Solution Aqueous solution containing 25% Polylysine
50% Powder Powder consisting of 50% Polylysine and 50% dextrin

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Non-Food Use Polylysine Leaflet

Non-Food Use Polylysine Leaflet

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[Technical Information] Antibacterial Effects of Polylysine Against Various Microorganisms

[Technical Information] Antibacterial Effects of Polylysine Against Various Microorganisms

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Technical Information: Antibacterial Effect of Polylysine in Various pH Ranges

Technical Information: Antibacterial Effect of Polylysine in Various pH Ranges

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Technical Information: Thermal Stability of Polylysine

Technical Information: Thermal Stability of Polylysine

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Technical Information: The Inactivation Effect of Polylysine on Microorganisms

Technical Information: The Inactivation Effect of Polylysine on Microorganisms

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Technical Information: Safety of Polylysine

Technical Information: Safety of Polylysine

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[Technical Information] Effects of Combining Polylysine with Other Preservatives

[Technical Information] Effects of Combining Polylysine with Other Preservatives

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Technical Information: Synergistic Effects of the Combination of Polylysine and Chelating Agents

Technical Information: Synergistic Effects of the Combination of Polylysine and Chelating Agents

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Technical Information: Use of Polylysine in Fiber Products

Technical Information: Use of Polylysine in Fiber Products

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Technical Information: Use of Polylysine in Antibacterial Coatings

Technical Information: Use of Polylysine in Antibacterial Coatings

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Technical Information: Use of Polylysine in Synthetic Resins

Technical Information: Use of Polylysine in Synthetic Resins

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Technical Information: Virus Infection Suppression Effect of Polylysine

Technical Information: Virus Infection Suppression Effect of Polylysine

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[Reagent Catalog] Polylysine/Natural Microbial Fermented Amino Acids

[Reagent Catalog] Polylysine/Natural Microbial Fermented Amino Acids

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[Technical Information] Contributing to Food Poisoning Prevention / Preservative Polylizin

[Technical Information] Contributing to Food Poisoning Prevention / Preservative Polylizin

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[Catalog] Polylysine/Natural Microbial Fermented Amino Acids

[Catalog] Polylysine/Natural Microbial Fermented Amino Acids

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[Technical Information] Effect of Polylysine on Suppressing Freezing Damage in Frozen Bread Dough

[Technical Information] Effect of Polylysine on Suppressing Freezing Damage in Frozen Bread Dough

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Introduction of high-purity polylysine powder

Introduction of high-purity polylysine powder

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Introduction of the preservative polylysine / fermented polyamino acids that contribute to food poisoning prevention.

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We provide easy-to-understand materials explaining the natural preservative polylysine, which prevents food poisoning. ε-Polylysine (hereafter referred to as polylysine) is an amino acid-derived preservative widely used as a food preservative. By adding polylysine, the growth of microorganisms that cause food poisoning can be prevented. Every year, food poisoning caused by microorganisms is a significant issue and is frequently reported in the news. Even foods that do not appear to be spoiled can rapidly proliferate microorganisms if the growth environment is suitable, so caution is necessary. Even if something looks clean, contamination by bacteria can progress, posing a risk of food poisoning. By ensuring hygiene management during the manufacturing process, proper storage at appropriate temperatures, and the appropriate use of the preservative polylysine, food safety can be more effectively protected. 【Features】 ■ A safe material produced through fermentation by natural microorganisms (not genetically modified organisms) ■ Provides a good image as a natural fermented product ■ Listed in the existing additive registry as a food preservative ■ A safe domestic product *Please feel free to contact us.

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Our group was founded in 1906 as Sogi Electric Co., Ltd., and since then, we have been a pioneer in Japan's chemical industry, contributing to the development of society by expanding renewable energy generated by hydropower into the field of electrochemistry and developing domestic nitrogen fertilizers. Our unchanging mission is to engage in manufacturing that harmonizes with the global environment, to solve our customers' challenges in order to realize a rich life, and to cultivate outstanding human resources who can thrive globally, continuously serving society.

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Please note that the English text on this page is automatically translated and may contain inaccuracies.