Description

Vitelline Protein B1 CAS NO 148591-67-7 is a specific, high-purity protein isolate derived from egg yolk, serving as a critical biochemical reagent and functional ingredient. Its value lies in its defined biological activity and consistent quality, which are essential for reproducible research and specialized manufacturing processes. This product is primarily needed by the life sciences sector for biochemical research, diagnostic assay development, and by advanced industries for high-value applications in biotechnology and specialty nutrition.

Application

• Biochemical & Biomedical Research: Used as a standard or substrate in enzymatic studies, protein interaction assays, and cellular biology research.
• Diagnostic Reagent Manufacturing: Serves as a key component or blocking agent in the development of immunoassays, ELISA kits, and other diagnostic platforms.
• Cell Culture & Microbiology: Employed as a nutrient-rich supplement or growth factor in specialized cell culture media formulations.
• Biotechnology Processing: Acts as a functional protein in downstream purification processes or as a ligand in affinity chromatography.
• Specialty Nutritional Studies: Investigated for its functional properties in advanced nutritional supplements and bioactive ingredient formulations.
• Pharmaceutical Excipient Development: Explored for its potential as a stabilizer, carrier, or delivery agent in novel drug formulation research.

Basic Information

Product Name	Vitelline Protein B1
CAS No.	148591-67-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Egg Yolk Vitelline Protein B1; Vitelline B1 Protein; VTG B1 (Vitellogenin B1); Phosvitin-rich Protein; Egg Yolk-derived Protein B1; Lipovitellin B1; Major Yolk Protein B1; Apovitellenin B1
EINECS	Contact for details

Quality Control

Our Vitelline Protein B1 is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including purity assay, identity confirmation, and impurity profiling. A Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is kept sealed in a cool, dry environment to prevent degradation. For extended storage, consider desiccant use or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms to reference standard
Assay (Protein Content)	≥ 90.0% (by dry weight)
Purity (HPLC)	≥ 95.0%
Moisture Content (KF)	≤ 5.0%
Solubility	Clear, slightly opalescent solution in specified buffer
Biological Activity	Contact for details
Endotoxin Level	< 10.0 EU/mg (for applicable grades)

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