Description

Subtilin is a polypeptide antibiotic belonging to the lantibiotic class, produced by certain strains of *Bacillus subtilis*. This compound is valued for its potent antimicrobial activity against a broad spectrum of Gram-positive bacteria, including foodborne pathogens and spoilage organisms. It is primarily utilized by manufacturers in the food preservation, pharmaceutical research, and agricultural sectors seeking natural or alternative antimicrobial solutions.

Application

• Food Preservation: Acts as a natural biopreservative in dairy products, canned goods, and meats to inhibit spoilage bacteria like *Listeria* and *Clostridium*.
• Pharmaceutical Research: Serves as a reference standard and active ingredient in studies targeting antibiotic-resistant bacteria and novel drug development.
• Agricultural Applications: Explored as a biocontrol agent to protect crops from bacterial diseases, reducing reliance on synthetic chemicals.
• Microbiological Media: Used as a selective agent in culture media for the isolation and identification of specific microbial strains.
• Dermatological Preparations: Incorporated into topical formulations for its activity against skin-associated pathogenic bacteria.
• Veterinary Medicine: Employed in animal health products to prevent and treat bacterial infections.

Basic Information

Product Name	Subtilin
CAS No.	1393-38-0
Molecular Formula	C~143~H~230~N~42~O~37~S~7~
Molecular Weight	~3318.0 g/mol
Synonyms	Subtilin; Antibiotic from B. subtilis; Lantibiotic subtilin; NSC 122044; UNII-9O5L2QJ45Q; Peptide antibiotic from Bacillus subtilis
EINECS	Contact for details

Quality Control

Our Subtilin is produced and tested under strict quality management systems. Each batch is analyzed to ensure high purity and consistent biological activity, with specifications typically aligned with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing assay, purity, and microbiological potency is provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Potency (Microbiological)	≥ 20,000 IU/mg
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 1.0%
Biological Activity	Confirmed against standard strains

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.