For manufacturers in food, feed, and nutraceutical industries, achieving >70% protein content while maintaining functional stability is no small feat. At Penguin Group, our proprietary SPC (Soy Protein Concentrate) production technology delivers precisely that — through a carefully engineered process that begins with raw material selection and ends with ultra-fine powder ready for diverse applications.
We start with high-quality low-temperature defatted soy flour — a critical step that preserves native protein structure. Unlike conventional methods using hot solvents, this approach avoids denaturation, ensuring better solubility and emulsification later on. Combined with food-grade ethanol as the extraction solvent, we achieve selective dissolution of non-protein components like carbohydrates and oligosaccharides — effectively reducing anti-nutritional factors such as trypsin inhibitors by up to 95%.
| Process Stage | Key Benefit | Typical Output |
|---|---|---|
| Extraction | Removes ~85% of soluble sugars and phytates | Protein concentration: 55–65% |
| 挤压 & 脱溶 | Improves flowability and reduces moisture to < 10% | Final protein content: 70–75% |
| 超细粉碎 | Particle size < 5 μm for enhanced dispersibility | Improved foaming & binding performance |
The real magic happens during the extrusion and drying phase. By optimizing temperature profiles (typically 80–100°C), we lock in the protein’s tertiary structure without causing aggregation — a key factor in long-term shelf stability. This results in a product that not only meets but exceeds industry standards for functionality in both plant-based foods and animal feed formulations.
Our customers report consistent quality across batches — even under varying ambient conditions — thanks to the robustness of our system. Whether you're producing vegan meat alternatives, infant formula, or premium pet food, the SPC produced via our method offers superior texture, solubility, and nutritional value.
With a standard output capacity of 100–300 kg/hour per unit, our modular systems are scalable for startups or large-scale operations. More importantly, every installation includes comprehensive technical support: from commissioning to troubleshooting, our engineers work closely with your team to ensure smooth adoption of the process.
If you’re looking to elevate your soy protein offerings — whether it’s for food safety compliance, clean-label positioning, or improved yield — we invite you to explore how our SPC technology can transform your production line.
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