What is 100% Whey Isolate Protein Powder?
100% Whey Isolate Protein Powder is a standardised whey protein ingredient that is ideal for manufacturers looking for a concentrated and versatile protein ingredient for food, nutrition and supplement formulations. It is a professional-grade raw material with a primary use as a supply to customers, including food manufacturers, nutrition brands, ingredient distributors, and product developers requiring a consistent protein solution for commercial production. This ingredient comes from dairy whey and is formulated into a fine powder form that can be easily incorporated into a variety of finished products, such as protein blends, powdered beverages, nutritional formulas, bakery uses, and tailored functional food systems. As a product developer, there are several benefits to using it, such as the consistency of its composition, a clean ingredient profile, and that it can be formulated for various processing conditions. It can be specified to match their target market's needs, such as protein percentage, flavor, instantized properties, particle size, and packaging options. Technical documents like specification sheets, certificates of analysis, and allergen statements, along with quality compliance records, are typically provided to assist in the customer's quality assessment and regulatory needs for various regions.
COA
| Items | Specification | Results |
| Appearance | White to Off-White Fine Powder | White Fine Powder |
| Flavor | Neutral Whey Flavor | Conforms |
| Protein Content (Dry Basis) | ≥90.0% | 91.20% |
| Moisture | ≤5.0% | 3.80% |
| Fat | ≤1.0% | 0.60% |
| Lactose | ≤2.0% | 1.10% |
| Ash | ≤3.0% | 2.10% |
| Solubility | ≥95% | 98.00% |
| pH Value (10% Solution) | 6.5-7.2 | 6.8 |
| Particle Size | 90% Pass 80 Mesh | Conforms |
| Bulk Density | 0.35-0.55 g/mL | 0.46 g/mL |
| Total Plate Count | ≤10,000 CFU/g | <1,000 CFU/g |
| Yeast & Mold | ≤100 CFU/g | <50 CFU/g |
| E. coli | Not Detected | Not Detected |
| Staphylococcus aureus | Not Detected | Not Detected |
| Lead (Pb) | ≤0.5 ppm | <0.1 ppm |
| Arsenic (As) | ≤0.5 ppm | <0.1 ppm |
| Cadmium (Cd) | ≤0.1 ppm | <0.05 ppm |
| Mercury (Hg) | ≤0.05 ppm | <0.01 ppm |
| Antibiotic Residues | Meets Food Safety Requirements | Complies |
| Allergen | Contains Milk Protein | Declared |
| Test Method | AOAC / ISO / Internal Method | Complies |
| Shelf Life | 24 Months | Complies |
| Storage Condition | Store in Cool, Dry Place, Avoid Moisture and Direct Sunlight | Complies |
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Main Ingredients
Whey protein is the predominant functional protein fraction in Whey Isolate Protein Powder and is the main component of the protein powder. Whey protein is primarily comprised of a number of high-value protein fractions, such as beta-lactoglobulin, alpha-lactalbumin, immunoglobulins, and serum albumin, the latter often accounting for the bulk of the whey protein. It is a natural protein with a full range of essential amino acids and is a popular protein ingredient in the food and nutrition product industry. The powder can also contain small quantities of minerals (which are naturally occurring) and other dairy residue (from processing) as appropriate to the processing method and specification requirements. It is usually standardized to obtain a high protein concentration without compromising its functional properties, including dispersibility and compatibility with various formulations, by separation and purification processes. Its composition is relevant to the manufacturer when choosing the right specification of the product to use in their application, whether the whey is in a powdered nutrition product, protein drink, functional food, or a customized protein blend.
Manufacturing Pathway
1. Whey Collection and Pretreatment
Whey is a dairy by-product that is collected during the making of cheese or milk protein. The liquid whey is clarified and pretreated by various steps like filtration and temperature control to remove unwanted particles and prepare the raw material for protein separation.
2. Membrane Filtration and Protein Concentration
Advanced membrane filtration basically employs a combination of ultrafiltration and microfiltration technologies to process the pre-treated whey. These processes fractionate the whey protein, separating it from the smaller particles and increasing its content. The goal of this stage is to help manufacturers meet the protein specification that they require for products.
3. Purification and Standardization
The whey protein solution is concentrated and then treated further to remove any remaining minor molecules like lactose, minerals, and other non-protein molecules. The high-protein-concentration solution is then standardized based on commercial specifications, meaning that there are defined protein concentrations, compositions, and processing performance requirements between different protein production batches.
4. Evaporation and Spray Drying
The standardised liquid protein concentrate is fed to a spray drying system in which the concentrate is dried in a controlled manner using hot air to form a fine powder. This process will lower the moisture content and enhance storage stability and also produce the form of powder that is typically employed in food and nutrition ingredient applications.
5. Sieving, Blending, and Quality Control
The dried powder is filtered to get a uniform particle size and can be mixed following certain product specifications, e.g., instantized or customized formulation. All batches are subjected to microbiological, protein, moisture, heavy metal, and other specification tests before they are put into the market.
6. Packaging and Bulk Supply
Each batch of Cheap Whey Isolate Protein Powder is packaged in food-grade packaging materials, as requested by the customers, such as aluminum foil bags, kraft bags, and fiber drums. For international distribution and commercial usage, we usually include supporting documentation such as Certificates of Analysis (COA), product specifications, and quality compliance records.
Safety
Pure Whey Isolate Protein Powder is a dairy protein with a proven safe and commercial track record for use in the food and nutrition industry. It is safe mostly because of its natural properties, standardized manufacturing processes, and quality control in the manufacturing process. It is a processed form of whey that is extracted from milk and is also a refined protein ingredient. The powder product is tested after the drying process to provide confidence in the product's reliability and batch-to-batch consistency, which are important quality indicators such as protein content, moisture content, microbiological parameters, and purity-related specifications. The production is carried out under controlled conditions under well-known food safety management procedures, and therefore it can be used in the production of protein drinks, protein powders, food formulations, and other commercial products. It has proven composition, storage properties, and quality controls, which allow manufacturers to rely on it during formulation for various protein applications and markets. It is a safe (and good) functional food ingredient when provided by qualified suppliers and manufactured under food-grade conditions.
Production Process
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