Description

β-Lactoglobulin A is a major whey protein fraction, prized for its unique functional and nutritional properties. This high-purity protein is essential for formulating advanced nutritional products and functional foods due to its excellent emulsifying, gelling, and binding capabilities. It is a critical ingredient for manufacturers in the global food, infant nutrition, and sports nutrition industries seeking to enhance protein content and product texture.

Application

• Infant Formula & Clinical Nutrition: As a high-quality protein source to mimic human milk protein profiles and support growth.
• Sports & Performance Nutrition: Key component in protein powders, bars, and ready-to-drink beverages for muscle recovery.
• Functional Food & Beverage Fortification: Used to boost protein content in dairy products, baked goods, and meal replacements.
• Food Texture Modification: Leverages gelling and water-binding properties to improve mouthfeel and stability in products like yogurts and desserts.
• Emulsion & Foam Stabilization: Acts as a natural emulsifier in dressings, sauces, and whipped toppings.
• Biomedical & Nutraceutical Research: Serves as a model protein for studying allergenicity, protein digestion, and bioactive peptide release.
• Carrier for Bioactive Compounds: Utilized in encapsulation systems for vitamins, minerals, and flavors to enhance stability and bioavailability.

Basic Information

Product Name	β-Lactoglobulin A
CAS No.	50863-92-8
Molecular Formula	C684H1110N186O210S6
Molecular Weight	~18,300 Da
Synonyms	β-Lactoglobulin A; BLG A; Lactoglobulin, β- A variant; β-LG A; Whey Protein Fraction A; BLGA; 3-Lactoglobulin A; β-LG A; Bovine β-Lactoglobulin A
EINECS	Contact for details

Quality Control

Our β-Lactoglobulin A is produced under stringent quality management systems. Each batch is tested to ensure high purity, consistent performance, and compliance with relevant food-grade specifications. A comprehensive Certificate of Analysis (COA), detailing parameters such as protein content, purity, and microbiological safety, is provided with every shipment to guarantee traceability and quality assurance for your production needs.

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 after each use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Protein Content (N x 6.38)	≥ 90.0% (on dry basis)
Purity (β-Lactoglobulin A)	≥ 95.0% (by HPLC)
Loss on Drying	≤ 6.0%
pH (10% solution)	4.5 - 5.5
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 10,000 cfu/g
Salmonella	Negative in 25g
E. coli	Negative in 1g

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