Xi'an Sentian Biotechnology Co., Ltd. is one of the leading manufacturers and suppliers of raw materials whey isolate protein powder in China. We are committed to providing high quality customized service and OEM&ODM private label service for global clients. Please feel free to buy bulk raw materials whey isolate protein powder in stock here from our factory. Also, free sample is available.
What is Raw Materials Whey Isolate Protein Powder?
Raw Materials Whey Isolate Protein Powder is a high-purity, concentrated dairy protein ingredient which is manufactured from milk by an advanced filtration process specifically engineered for use in dairy-based industrial, food, and nutritional product manufacturing. It is a raw material of premium quality and high protein content, specifically developed for partners that require high quality and greater consistency in their last preparations. Through this advanced membrane filtration technology (microfiltration or ion exchange), we filter out the majority of lactose, fats, and minerals, which results in a protein content by weight of 90% or more. This intensive processing guarantees a top quality in terms of clean taste and neutral character, and also gives an excellent solubility, which is essential for the high standards in mass production. Our WPI is an adaptable building block for a variety of applications, such as sports nutrition beverages, bakery fortifiers, meal replacement powders, and high-protein snack bars. It absorbs quickly and contains a good amount of amino acids, including branched-chain amino acids (BCAAs), making it a perfect addition to high-quality nutritional supplements. Manufacturers appreciate the product's outstanding dispersibility and heat stability, which helps to avoid clumping or settling in the formulation, assuring smooth production processes in complex production lines without harm to the final product.
COA
| Item | Specification | Result |
| Product Name | Raw Materials Whey Isolate Protein Powder | Conforms |
| Botanical/Source | Whey Protein Isolate (Milk) | Conforms |
| Appearance | White to Light Cream Fine Powder | Conforms |
| Odor & Taste | Characteristic | Conforms |
| Protein (Dry Basis) | ≥ 90.0% | 91.40% |
| Moisture | ≤ 6.0% | 4.20% |
| Ash | ≤ 3.0% | 2.10% |
| Fat | ≤ 1.5% | 0.80% |
| Lactose | ≤ 1.0% | 0.50% |
| pH (10% Solution) | 6.0–7.5 | 6.7 |
| Solubility Index | ≥ 99.0% | 99.40% |
| Bulk Density | 0.30–0.50 g/mL | 0.41 g/mL |
| Particle Size | 95% Pass 80 Mesh | Conforms |
| Lead (Pb) | ≤ 0.20 mg/kg | <0.20 mg/kg |
| Arsenic (As) | ≤ 0.20 mg/kg | <0.20 mg/kg |
| Cadmium (Cd) | ≤ 0.20 mg/kg | <0.20 mg/kg |
| Mercury (Hg) | ≤ 0.10 mg/kg | <0.10 mg/kg |
| Total Plate Count | ≤ 10,000 CFU/g | 1,300 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | <10 CFU/g |
| Coliforms | ≤ 10 CFU/g | <10 CFU/g |
| Escherichia coli | Negative/10g | Negative |
| Salmonella | Negative/25g | Negative |
Sentian Bio provides free samples, OEM/ODM customized products, and professional technical support. Contact us anytime at sales3@sentianbio.com or LEAVE A MESSAGE!
Dosage
The amount of raw material Whey Isolate Protein Powder used in the formulation of industrial food and beverage products is usually based on the desired protein density per serving of the product and will generally range from 5 grams up to 30 grams of WPI per individual serving size of the finished product. In a typical formulation of 300ml-500ml beverage, including 20- 25 g protein isolate per unit, the ratio of WPI is usually selected to ensure desired texture, binding, and protein density in the formulation; in a dry blend application like bars or cereal products, it is typically optimized to 10% to 25% of the total formulation weight. These values are simply technical values for formulation development and should not be used as a general dietary recommendation; therefore, all product development must be carefully cross-referenced with the food standards, ingredient safety limits, and mandatory food labeling requirements of each local authority in the region(s) where the product is intended to be sold. The inclusion rates suggested above are subject to standard shelf-life and sensory analyses by the developer to ensure these rates are suitable for the specific solubility and/or heat-stability needs of their production facility, so the final product meets the technical specifications from their production process and the regulatory requirements of the commercial market.
Store
1. Environmental Temperature Control:
The material should be kept in a cool, climate-controlled warehouse, preferably at or below 25°C, as high temperatures for extended periods of time may reduce protein functionality and compromise the sensory characteristics of the powder.
2. Moisture and Humidity Management:
Keep the relative humidity in the storage space below 65%. By itself, WPI is hygroscopic and can absorb too much moisture, which can cause clumping, caking, and a decrease in flowability, causing problems in automated dispensing systems in your production line.
3. Protection from Direct Light:
Avoid placing the containers in direct sunlight or under intense U.V. sources. Exposing food products to light for extended periods of time can initiate oxidative reactions that could alter the neutral taste and flavor of food, which might affect the final taste and flavor of your food products.
4. Airtight Sealing Post-Opening:
After use, a bulk container or industrial bag must be tightly closed immediately after being opened for manufacturing. Keep the product as far as possible from the air around it if it is to be kept in the open to avoid contamination and uptake of moisture. The integrity of the seal is the first line of defense against changes in the environment.
5. Facility Sanitation and Pest Prevention:
Keep all stock in a clean, dry, sanitary warehouse that follows standard industrial hygiene practices. Pest- and contamination-free storage area: Whey Protein Isolate is a highly nutritive substrate, which should be protected from external biological interference.
6. First-In, First-Out (FIFO) Rotation:
Utilize a firm inventory system, with a first-in, first-out policy. The packaging is optimised for shelf-life; however, the rotation of stock guarantees that all production batches use material that also fulfils the original technical specification of solubility and stability.
Applications and Synergies
Pure Whey protein isolate Powder is an excellent and versatile functional ingredient in diverse food, beverage, and nutrition manufacturing industries. It is used in ready-to-drink (RTD) sports nutrition shakes, protein-fortified powdered drink mixes, high-protein snack bars, and advanced bakery or dairy-based products where certain texture and protein levels are essential. WPI is versatile not only as a protein source but also due to its excellent technical synergies in combination with other raw materials, such as its high solubility and neutral taste; it can be added to any product without changing the base properties of the material. WPI can be formulated with complex carbohydrates or plant-based proteins and acts as a structural enhancer, which can enhance the overall mouthfeel and dispersion of the ingredient matrix. Within the field of food processing, its heat stability allows it to be successfully incorporated into pasteurized beverage lines, and its emulsification properties help to achieve stable, uniform emulsions in creamy/whipped food products. These intrinsic functional properties allow for the development of a wide range of product ranges to match market performance requirements and ensure that these commercial formulations are reliable and flexible for the WPI to serve as a basis.
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