Description

Kunitz Soybean Trypsin Inhibitor is a specific protease inhibitor protein isolated from soybeans. This compound is critical for controlling proteolytic activity in biochemical research and industrial processes, ensuring experimental integrity and product stability. It is an essential reagent for researchers in life sciences, pharmaceutical development, and biotechnology, as well as for applications in diagnostic kit manufacturing.

Application

• Biochemical Research: Used as a standard trypsin inhibitor in enzymatic studies, kinetic assays, and protein interaction research.
• Pharmaceutical Development: Employed in cell culture and fermentation processes to prevent unwanted proteolysis and protect therapeutic proteins.
• Diagnostic Manufacturing: A key component in the formulation of enzyme-linked immunosorbent assay (ELISA) kits and other in-vitro diagnostic reagents.
• Food Science & Proteomics: Utilized in sample preparation to inhibit endogenous proteases during the extraction and analysis of proteins from complex matrices.
• Reference Standard: Serves as a high-purity calibrant and quality control standard in analytical laboratories.

Basic Information

Product Name	Kunitz Soybean Trypsin Inhibitor
CAS No.	9088-41-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Soybean Trypsin Inhibitor (Kunitz); STI; Trypsin Inhibitor from Soybean (Kunitz); SBTI; Kunitz Inhibitor; Bowman-Birk Inhibitor (Note: Distinct from Kunitz type); Protease Inhibitor from Glycine max; EINECS 232-985-0
EINECS	232-985-0

Quality Control

Our Kunitz Soybean Trypsin Inhibitor is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure high purity and consistent inhibitory activity, meeting the stringent requirements for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, activity, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms to standard
Assay (Activity)	≥ 90% (by trypsin inhibition assay)
Purity (HPLC)	≥ 95%
Protein Content (Biuret)	≥ 85%
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 1.0%

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