Description

Trypsin Inhibitor is a high-purity, biologically active protein that specifically inhibits the proteolytic enzyme trypsin. This precise inhibition is critical for controlling unwanted proteolysis in a wide range of biochemical and biopharmaceutical processes. It is an essential reagent for researchers and manufacturers in life sciences, diagnostic development, and bioprocessing who require reliable, consistent performance to protect valuable proteins and cells.

Application

• Cell Culture & Bioprocessing: Added to serum-free and low-serum media to inhibit trypsin activity after cell detachment, protecting cell surface proteins and enhancing viability.
• Protein Biochemistry Research: Used to study protease-substrate interactions, enzyme kinetics, and to protect target proteins from degradation during purification and analysis.
• Diagnostic Kit Manufacturing: Incorporated as a stabilizing agent in immunoassay and clinical diagnostic reagents to prevent sample degradation and ensure assay accuracy.
• Pharmaceutical Development: Employed in downstream processing to inactivate residual trypsin used in recombinant protein harvest, ensuring final product purity and safety.
• Food Science & Analysis: Utilized in enzymatic assays and as a research tool to study the role of trypsin in food digestion and nutritional studies.

Basic Information

Product Name	Trypsin Inhibitor
CAS No.	12786-39-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Soybean Trypsin Inhibitor (STI); Kunitz Trypsin Inhibitor; Protease Inhibitor; Trypsin-Kallikrein Inhibitor; TKI; Antipain (non-specific); Serine Protease Inhibitor; Pancreatic Trypsin Inhibitor (PTI)
EINECS	Contact for details

Quality Control

Our Trypsin Inhibitor is produced and tested under a strict quality management system. Each batch undergoes comprehensive analysis to ensure high biological activity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as inhibitory activity, purity (by HPLC), and endotoxin levels are provided to support your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccant or under inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms
Assay (Activity)	≥ 1.0 BAEE units/mg
Purity (HPLC)	≥ 95%
Protein Content (Biuret)	≥ 90%
Moisture Content (KF)	≤ 5.0%
Endotoxin	< 10 EU/mg
Solubility	Soluble in water or buffer

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