Description

Purothionin CAS NO 9009-72-7 is a naturally occurring, low-molecular-weight antimicrobial peptide derived from wheat endosperm. This compound is valued for its potent, broad-spectrum activity against bacteria, fungi, and certain viruses, making it a critical agent in research and development. It is primarily utilized by biotechnological, pharmaceutical, and agricultural research sectors for studying plant defense mechanisms and developing novel biocontrol agents.

Application

• Biomedical Research: Used as a model antimicrobial peptide (AMP) in studies of host-pathogen interactions, membrane permeabilization, and innate immunity.
• Pharmaceutical Development: Investigated for its potential as a lead compound in the development of new antibiotic and antifungal agents.
• Agricultural Biotechnology: Employed in research to enhance crop resistance against fungal and bacterial pathogens through genetic engineering or direct application studies.
• Food Preservation Research: Explored for its natural preservative properties to inhibit spoilage microorganisms in food systems.
• Biochemical Reagent: Serves as a standard or reagent in enzymatic assays and studies of protein-protein interactions.
• Plant Defense Studies: A key tool for understanding the molecular basis of plant innate immunity and systemic acquired resistance.

Basic Information

Product Name	Purothionin
CAS No.	9009-72-7
Molecular Formula	Contact for details
Molecular Weight	~5 kDa (Approximate)
Synonyms	Purothionin; Wheat Purothionin; Thionin from Triticum aestivum; α-Purothionin; β-Purothionin; Toxin T; Plant Defensin; Antimicrobial Peptide from Wheat; Endosperm Thionin
EINECS	Contact for details

Quality Control

Our Purothionin is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and biological activity. A comprehensive Certificate of Analysis (COA) is provided, detailing results for key parameters such as assay (HPLC), purity profile, and microbiological activity. We adhere to relevant guidelines for research-grade biochemicals to ensure consistent performance and reliability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry environment. The product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Protein Content (Biuret)	≥ 90.0%
Water Content (Karl Fischer)	≤ 5.0%
Biological Activity (Microbial Assay)	Conforms to reference standard

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