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Α-Lactalbumin

    • Product Name Α-Lactalbumin
    • Alias Alpha-lactalbumin
    • Einecs 232-725-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    836837

    Product Name Alpha-Lactalbumin
    Source Bovine milk (primarily cow's milk)
    Molecular Weight Kda 14.2
    Amino Acid Content 123 amino acids
    Isoelectric Point Pi 4.2-4.5
    Protein Type Whey protein fraction
    Biological Function Regulates lactose synthesis in mammary glands
    Solubility Highly soluble in water
    Major Allergen Yes, for some individuals
    Heat Stability Denatures at elevated temperatures
    Calcium Binding Has calcium ion binding properties
    Nutrition Use Infant formula, supplements, functional foods

    As an accredited Α-Lactalbumin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, sealed, tamper-evident plastic bottle containing 100 g Α-Lactalbumin powder, labeled with product details, storage instructions, and lot number.
    Shipping Α-Lactalbumin is shipped in tightly sealed, food-grade containers to protect it from moisture and contamination. It is transported under cool, dry conditions, ideally at 2-8°C. All packaging complies with international shipping regulations for food-grade proteins, ensuring product integrity and safety during transit and storage.
    Storage α-Lactalbumin should be stored at -20°C in a tightly sealed container, protected from light and moisture. It should be kept in a dry, well-ventilated area away from incompatible substances. For laboratory use, avoid repeated freeze-thaw cycles to preserve protein integrity. Proper storage ensures α-Lactalbumin retains its stability, activity, and purity for research or industrial applications.
    Application of Α-Lactalbumin
    Purity 95%: Α-Lactalbumin with 95% purity is used in infant formula manufacturing, where it enhances amino acid profile for optimal infant nutrition. Molecular Weight 14.2 kDa: Α-Lactalbumin with a molecular weight of 14.2 kDa is used in protein supplements, where it provides rapid digestibility and efficient muscle repair. Isoelectric Point 4.5: Α-Lactalbumin with an isoelectric point of 4.5 is used in dairy emulsion formulations, where it improves emulsion stability and texture consistency. Thermal Stability up to 75°C: Α-Lactalbumin with thermal stability up to 75°C is used in ready-to-drink beverages, where it ensures protein integrity during pasteurization. Particle Size 10-30 µm: Α-Lactalbumin with a particle size of 10-30 µm is used in high-protein bars, where it promotes homogeneous dispersion and smooth mouthfeel. Solubility >99%: Α-Lactalbumin with over 99% solubility is used in clear protein drinks, where it delivers optimal clarity and minimal sedimentation. Ash Content <1%: Α-Lactalbumin with ash content below 1% is used in clinical nutrition solutions, where it minimizes mineral interference and improves patient tolerance. Fat Content <0.2%: Α-Lactalbumin with less than 0.2% fat content is used in low-fat dairy applications, where it supports calorie reduction without compromising protein levels. Endotoxin Level <5 EU/mg: Α-Lactalbumin with endotoxin levels below 5 EU/mg is used in cell culture media, where it maintains cell viability and reduces contamination risk. pH Range 6.0-7.0: Α-Lactalbumin within a pH range of 6.0-7.0 is used in specialized medical foods, where it ensures protein stability and optimal bioavailability.
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    Certification & Compliance
    More Introduction

    Introducing Α-Lactalbumin: Experience from the Manufacturer’s Floor

    Bringing Α-Lactalbumin Into Production

    Every batch of Α-Lactalbumin begins in the same way, with fresh, carefully sourced milk. In our experience, the starting material determines everything down the line—from the protein’s purity to its solubility and taste. We handle each step ourselves, from filtration through gentle purification, taking care to avoid heat or harsh treatments that might denature the protein or damage its structure.

    By overseeing the full process in-house, we’ve learned what works and where problems tend to crop up. For instance, the choice of membrane pore size during filtration has a marked impact on finished yield and bioactivity. Too fine, and you lose valuable fractions; too coarse, and purity falls short. We’ve tuned this stage over countless production cycles, so our current model offers a clean, reproducible source of α-lactalbumin, rich in essential amino acids and structurally intact.

    Understanding Specifications from Day-to-Day Manufacturing

    Purity matters—not in abstract regulatory terms but at the point where our team examines the final powder under the microscope, tests it in a spectrophotometer, and runs batch-to-batch comparisons. Our current batches consistently score above 90% α-lactalbumin content. Low levels of contaminants like β-lactoglobulin and casein mean the finished ingredient integrates smoothly into sensitive applications where both taste and digestibility matter.

    Moisture content affects flowability and storage. Based on our monitoring results, we keep water activity below 5%. That wasn’t always the case; early on, we noticed minor caking in storage. We learned to adjust drying temperatures and rates, protecting peptide bonds while achieving the right low-moisture balance for shelf life. These small adjustments matter to downstream users, from infant formula makers to protein supplement manufacturers.

    Physical specs like mesh size also get attention on our production floor. We process Α-lactalbumin into a fine, consistent powder. Each batch flows easily in pneumatic systems and resuspends quickly in cold liquids, as verified through our in-house solubility tests. By calibrating our mills and sieves, the product remains free of large lumps or tails, eliminating the headaches that come from undissolved clumps or poor mixing.

    We don’t rely on laboratory values alone. Real-world testing—adding the powder to water, high-protein beverages, or ready-to-mix nutritional blends—has shaped our specification targets more than any spreadsheet data. Our technical team runs stress tests for shelf stability and taste stability over time. We adjust our process when solubility or the sensory profile starts to drift.

    What Sets Our Α-Lactalbumin Apart from Whey Proteins and Other Isolates

    Α-Lactalbumin makes up about 20-25% of the protein in bovine whey, yet most commercial whey products never get close to that purity. Many manufacturers focus on broad-spectrum whey concentrate or isolate. These contain a complex blend of proteins, minerals, and lactose. By contrast, our approach isolates α-lactalbumin in its intact, bioactive form.

    Here’s what stands out: the essential amino acid content, especially tryptophan and cysteine, sits at the top of natural dairy proteins. These amino acids support infant growth, metabolic health, and the synthesis of neurotransmitters. Customers often remark on the improved palatability of finished foods, a result of removing the “whey” flavor profile that comes from β-lactoglobulin and other minor proteins.

    Food and supplement developers report fewer issues with allergies or intolerances, since α-lactalbumin’s structure is less likely to trigger dairy reactions. At the same time, finished products reach higher protein scores, often needed where regulators specify nutritional completeness—for infant formula, sports nutrition, or medical foods.

    Compared to plant-derived proteins, α-lactalbumin solubilizes better, and its amino acid ratio more closely matches the requirements for human growth. The powder also stays clear in solution, a feature beverage formulators notice. Our in-house sensory testing, run by panelists who understand both dairy and non-dairy alternatives, consistently favors α-lactalbumin on mouthfeel and aftertaste profiles.

    How Users Apply Α-Lactalbumin—Lessons Learned Together

    We’ve watched our α-lactalbumin end up in a broad range of applications—from premium infant formula to clinical nutrition, beverages, baked goods, confectionery, and protein bars. Our R&D staff partners closely with customers during development, so we see firsthand what challenges users face.

    Infant nutrition brands rely on the close similarity between bovine α-lactalbumin and the main protein in human milk. By matching not only the overall content but even the peptide structure, they achieve formulas that reduce digestive complaints and support cognitive and immune development. We’ve run digestibility trials, mimicking infant gut conditions, to ensure peptide resistance to gastric breakdown aligns with target values from clinical papers.

    Sports and active lifestyle brands look to α-lactalbumin for its rapid absorption, especially because it yields high levels of branched-chain amino acids. We’ve formulated demonstration blends in our own pilot lab—witnessing the powder’s ability to disperse and its impact on taste, texture, and stability in ready-to-mix drinks.

    Bakery and snack makers share feedback about processing conditions: excessive shear or heat can affect functional properties. So, we prepare and test under simulated processing, confirming that the protein remains soluble and that browning or off-flavors don’t develop even under intensive extrusion or baking conditions. We regularly revisit our manufacturing tolerances based on these findings.

    Clinical nutrition firms need detailed verification—batch consistency, micro-nutrient content, microbiological safety, and bioactivity. Each production run undergoes more than just compositional analysis. We test bioactivity, monitor for pathogens, and provide as much traceability as necessary. Conversations with nutritionists and product formulators taught us how critical a single deviation becomes when formulating for people with compromised health.

    Even novel applications pop up: high-protein iced coffees, shelf-stable liquid supplements, specialized diet regimes for digestive disorders. By reviewing user feedback, we’ve adapted our guidance for incorporating α-lactalbumin, sometimes altering grind size, sometimes rethinking how we concentrate bioactive sulfur amino acids, or adjusting packaging to shield from light or moisture.

    Challenges in Sourcing and Sustainability

    As a manufacturer, sustainability goes well beyond certificates or balances. Raw material quality changes with seasons, feed, and local farming practices. We work closely with trusted dairies, often sampling each tanker themselves. We check not only for antibiotic residues and pathogens, but also herd health and animal welfare conditions. Milk origins matter: colder climates produce different protein fractions, so consistency means maintaining long-term supply relationships.

    There’s more to it than upstream sourcing. Our facility works to limit waste, gather water for re-use, and recover proteins from side-streams that once went to waste. By focusing on efficiency at every step, we reduce the carbon and water intensity of every kilogram produced. In recent years, we have invested in new membrane technology and process automation—minimizing manual handling, reducing risk of error, and saving energy.

    Customers ask more about the life cycle of each ingredient. Transparent communication means providing batch-level documentation, from farm through each stage in the plant, right down to the sealed drum. We see this as a necessary part of trust and as the most direct path for feedback; customers rarely want a faceless commodity—they want to know the actual story behind the ingredient.

    From a quality standpoint, traceability supports continuous improvement. If a customer notices a batch with unusual sensory notes or solubility, we review all records from that day—testing data, operator logs, and storage conditions. Every year, we add new layers of environmental monitoring and employee training. Long-term, this underscores both quality and environmental stewardship.

    The Human Side—Commitment and Everyday Reality

    Producing α-lactalbumin to this standard requires a dedicated team that understands the difference between what looks good on paper and what works in real applications. Our staff maintain cross-training, moving between filtration, drying, packaging, and quality roles. They spot subtle differences, drawing on hands-on knowledge that can’t be replaced by sensors or automation.

    We have been through the learning curve of early technical failures—batches that foamed too much, powders that collapsed on storage, failed sensory rounds, or minor contamination scares. Each event drove incremental changes: better airlocks, improved auditor checks, more robust backup power for chillers, and stricter sanitation cycles. This cycle of hands-on learning shapes every part of our process today.

    Partnership with downstream users is another part of our routine. Nutritionists, food chemists, beverage formulators—these are the customers we spend the most time with. Their pilot runs, product launches, and even market recalls feed back into our own practice. Our willingness to test new process tweaks in response to their experience leads to better product and fewer surprises.

    This direct line of communication also means that we help troubleshoot—advising on dispersion in viscous bases, blend stability, or how to mask the faint dairy notes in fully plant-based systems. Often, we end up adapting our process at the edge: running a slightly different particle size, or boosting freshness protection simply because a new customer’s product exposure cycle revealed a vulnerability we hadn’t seen before.

    Looking Forward: The Path Ahead for Α-Lactalbumin

    Protein demand continues to rise, but so do expectations for quality, traceability, and sustainability. Α-Lactalbumin occupies a special place for manufacturers who expect not just nutritional value, but ease of use and confidence in supply. We stay deeply involved in both upstream and downstream aspects—working farms, updating our technologies, staffing continuous QC shifts, and maintaining direct support into customers’ plants.

    Research drives new uses and new process improvements. Recent studies on α-lactalbumin’s influence on infant gut health, cognitive development, and immune resilience all sharpen our sense of purpose—but they also increase the responsibility to maintain uncompromised quality. We invest in third-party validation, working with universities and clinical labs to verify that our product performs as the science predicts.

    Customers shaping tomorrow’s food and nutrition systems expect more than specs—they want a reliable partner whose hands are in the process from start to finish. By controlling every stage, responding directly to feedback, and staying on top of evolving science, we hope to set a benchmark for what transparent, science-backed, and user-focused ingredient manufacturing can look like for years to come.

    Frequently Asked Technical Questions About Our Α-Lactalbumin

    We often get asked about mixing and application specifics. The powder dissolves easily in cold or warm water, but for best results, slow sprinkling into the vortex of a mixer prevents lumping. For spray-dried beverage bases, our fine mesh consistently passes through small nozzles without clogging. For bar and snack makers, our technical team provides guidance on grind and moisture for batch-to-batch consistency.

    Shelf life always comes up—our standard lot holds nutrient integrity and flavor for up to two years under low-moisture, light-resistant storage. We recommend sealed packaging and avoidance of humidity for optimal performance. Those working on higher-acid beverages note improved clarity and minimal sediment, thanks to careful attention in our purification and drying phases.

    Some formulating teams ask about blending α-lactalbumin with other proteins. It works well with both other dairy fractions (like caseinates) and selected plant proteins. Solubility, taste profile, and amino acid completeness can all benefit from these blends, though proportions need testing for each specific finished product.

    Microbial safety and low allergenicity draw scrutiny, especially in infant and clinical areas. Our real-world experience and testing allow us to substantiate that our process meets the highest internal standards. Each lot ships with complete certificates, but we also stand ready to explain results and processes in plain terms, not just in lab summaries.

    Shaping the Future with Our Partners

    Our journey with α-lactalbumin has been shaped by countless small lessons on the production floor, in supplier barns, and through the challenges raised by creative product developers. We believe the best outcomes come not just from hitting spec sheets, but from honest discussions about what’s working, what isn’t, and what the next innovation should solve.

    Each project brings new insights—whether it’s solving dispersibility in a slip-resistant liquid, tuning the profile for a sensitive health population, or tracking down the source of an off-note in a new batch. By staying grounded, learning from each team member’s insight, and keeping the conversation open with all end-users, we intend our α-lactalbumin to do more than fill a spot in a list of ingredients. Instead, it serves as a living example of what careful, connected, and responsive manufacturing produces.

    We’re proud to see our protein in innovative new products. Whether feeding the youngest or aiding recovery for those with high nutritional needs, each drum signals not just routine fulfillment, but the outcome of real experience, shared learning, and responsible science at work. From farm to final formula, our α-lactalbumin stands as the sum of every detail we’ve mastered and every partnership we nurture.