Food preservative "Polylysine" | Fermented amino acid from natural microorganisms
A natural amino acid polycation polymer that can be used in food preservatives, hygiene materials, and daily necessities. It is a safe material as it is a fermentation product produced by natural microorganisms.
E-Polylysine(hereinafter referred to as Polylysine) is a substance officially known as ε-Poly-L-lysine. It is a homopolymer consisting of 25 to 35 units linked by amide bonds, formed from the amino group at the ε position and the carboxyl group at the α position of the essential amino acid L-lysine. Since 1989, it has over 30 years of manufacturing history and is widely used as a food preservative amino acid. As a product of natural microbial fermentation, it can reduce the use of synthetic food preservatives derived from chemical substances. Polylysine is a cationic polymer with a positive charge. It electrically binds to negatively charged microbial cell membranes, inhibiting microbial growth. Polylysine is listed in the existing additive inventory of the Ministry of Health, Labour and Welfare (No. 397). Example of labeling: Preservative (Polylysine). **Features** - Safe natural microbial fermentation product (not derived from genetically modified organisms) - Provides a good image as a natural fermentation product - Listed in the existing additive inventory as a food preservative - Usable in various foods such as bento, side dishes, various processed foods, bakery products, and confectionery - A safe domestic food product *For more details, please download the PDF or feel free to contact us.*
basic information
**Characteristics of Polylysine** - Exhibits excellent antibacterial effects against various microorganisms in small amounts. - Demonstrates antibacterial effects over a wide pH range. - Has excellent thermal stability. - Possesses excellent properties as a preservative due to its high safety. - Highly soluble in water, making it easy to use in food. - Shows 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 those causing foodborne illnesses. - Exhibits excellent growth inhibition effects against heat-resistant bacteria, including Bacillus subtilis. - Shows strong inhibitory effects against lactic acid bacteria, which significantly impact 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.*
Price information
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Model number/Brand name
Polylysine
Applications/Examples of results
For more details, please download the PDF or feel free to contact us.
Line up（2）
| 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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News about this product（3）
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Announcement of Participation in ifia JAPAN 2025: Food Preservative Polylizin and Microbial Testing Medium MC Media Pad
We will be exhibiting at the International Food Ingredients/Additives Exhibition "ifia JAPAN 2025," which will be held at Tokyo Big Sight starting from May 21 (Wednesday). At our booth, we will introduce the MC-Media Pad and Polylysine. [Exhibition Details] - Regarding the MC-Media Pad, we will introduce the newly enhanced MC-Media Pad dedicated colony counter Jcoco, among other features. - As for Polylysine, we will present examples of its application not only for food preservation but also in enzyme purification and DNA recovery, leveraging its cationic properties. [Seminars at the Venue] - Polylysine Seminar: "Delicious Long-Life with Fermentation-Derived Polylysine" May 22 (Thursday) 10:40-10:55, Food Safety and Science Session Room - MC-Media Pad Seminar: "Easy and Convenient! Introduction of New Features of Colony Counter Jcoco" May 23 (Friday) 10:55-11:10, Food Safety and Science Session Room We look forward to your visit.
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Introduction of the preservative polylysine / fermented polyamino acids that contribute to food poisoning prevention.
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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Start of Reagent Sales: We will begin selling Polylysine reagents.
ε-Polylysine (hereinafter referred to as Polylysine) is a substance officially known as ε-poly-L-lysine. It has over 30 years of manufacturing history since 1989 and is widely used as a food preservative, being a polyamino acid preservative. Polylysine is a natural food preservative produced through fermentation. Due to its high safety, we have received numerous requests to use it for various antibacterial applications. In response to customer feedback, we have started selling it as a reagent. Reagents can be purchased from Fujifilm Wako Pure Chemical Corporation. For example, it is expected to reduce synthetic polymers in everyday products closely related to daily life, such as wet wipes, toothpaste, shampoo, and scalp care.
