Fderla Biology
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Soy Protein Isolate (SPI) is a highly refined form of protein derived from defatted soybean meal. Through a process involving alkaline extraction and acid precipitation, it achieves a protein content typically exceeding 90% on a dry weight basis, making it one of the purest plant-based protein sources commercially available. SPI possesses a neutral flavor, excellent nutritional value (containing all essential amino acids), and a range of functional properties including water/oil binding, emulsification, gelation, and foaming. These characteristics make it an indispensable and versatile ingredient in the food, nutrition, and industrial sectors.
| Items | Standards |
|---|---|
| Color | Light Yellow |
| Protein(N*6.25) | ≥90% |
| NSI | ≥88% |
| Moisture | ≤7% |
| Crude Fiber | ≤1.0% |
| Fat | ≤0.8% |
| Ash | ≤6 |
| PH | 6.5-7.5 |
| Pb | ≤0.5mg/kg |
| Cd | ≤0.1mg/kg |
| Hg | ≤0.02mg/kg |
| As | ≤0.3mg/kg |
| Zn | ≤40mg/kg |
| Calcium | 0.02 |
| Sodium | 1.2 |
| Phosphorus | 0.7 |
| Potassium | 0.1 |
| Particle Size | ≥90% 100mesh |
| Bulk Density | 350-450g/l |
| Lecithin | ≤2.0 |
| Standard Plate Count | ≤20000/g |
| Yeast & Moulds | ≤100/g |
| E.Coli | Negative/g |
| Salmonella | Negative/25g |
This is the primary application area. SPI is extensively used in processed meat products (e.g., sausages, burgers, deli meats) to improve texture, juiciness, bind water and fat, and enhance nutritional profile. It is the key structural ingredient in plant-based meat alternatives (veggie burgers, nuggets), providing the fibrous, meat-like texture and protein content. It also serves as an emulsifier and stabilizer in soups, sauces, dairy alternatives (like soy milk and yogurt), and baked goods.
Due to its high protein quality and digestibility, SPI is a fundamental component in sports nutrition products (protein powders, bars, and shakes), meal replacement supplements, clinical nutrition formulas, and geriatric nutritional products. It helps in muscle synthesis, satiety, and meeting protein requirements.
Standard packing: 25 kgs bags or jumbo (ton) bags. Custom packing is available if you have a legally registered patent for specific packaging or special needs (subject to relevant document confirmation).
We accept T/T, Western Union, Bitcoin, and Tether (USDT). Please confirm your preferred method with our sales team before placing your order.
For small packages (samples/small-quantity orders), we ship via international couriers like DHL, UPS, FedEx, or EMS. For bulk shipments, sea or air freight is arranged based on your order volume and delivery timeline.
For in-stock products, items are shipped within 1~2 business days after receiving your advance payment. For custom or non-stock products, the timeline varies by product type and order quantity (clear timeline will be provided in the quotation).
Yes, we offer a low MOQ for small-batch purchases (specific details are in our quotation). We also provide free samples of not less than 1 kg for quality testing, though customers cover the shipping costs.
We perform a 100% quality inspection for all products before delivery. If quality issues arise from our production or inspection, we offer free replacements or refunds (subject to issue confirmation via photos/videos).
