What is Hydrolyzed Soy Protein?
Hydrolyzed soy protein is a plant-based protein produced through a hydrolysis process that breaks down soy protein into smaller peptides and amino acids. Undersun typically uses enzymatic, acid, or microbial hydrolysis. After hydrolysis, the longer protein chains in soybeans are broken down into shorter, more digestible molecules, resulting in better water solubility and flavor.
In the food industry, hydrolyzed soy protein is used in products such as soups, sauces, seasonings, and snack foods. It can enhance flavor, improve texture, and increase protein content. Besides food applications, hydrolyzed soy protein can also be used in cosmetics. Because the small peptides obtained after hydrolysis can more easily penetrate the skin's surface, it is a common ingredient in shampoos, conditioners, and lotions, providing moisturizing and conditioning effects.
Undersun supplies bulk hydrolyzed soy protein powder. It is a light yellow powder, easily soluble in water, specification≥50%, with 5000KG in stock. We provide COA, specification sheets, SDS, flowcharts, and other documents.

Hydrolyzed Soy Protein Manufacturer Specification
| Product Name | Hydrolyzed Soy Protein | Appearance | Light Yellow Powder |
| Source | Soybean | Part Used | Seed |
| Active Ingredient | Protein | Content | 50% Min Protein |
| Moisture | 7.0% maximum | Protein, dry basis, N x 6.25 | 50% minimum |
| pH (1:10 dispersed in water) | 6.5 to 7.5 | Fat | 1.0% maximum |
| Ash | 5.0% maximum | Total Plate Count | 20,000 cfu/g, maximum |
| MOQ | 25Kg | Shelf Life | 24 months under cool and dry storage condition |
| Items | Standards |
| Color | Light Yellow |
| Protein(N*6.25) | ≥50% |
| 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 | ≥95% 100mesh |
| Standard Plate Count | ≤10000/g |
| Yeast & Moulds | ≤100/g |
| E.Coli | Negative |
| Salmonella | Negative |
Hydrolyzed Soy Protein Benefits:
Hydrolyzed soy protein has long commanded considerable respect for its effectiveness as a skin and hair conditioning agent – as capable of reducing flaking as it is of restoring suppleness and significantly enhancing the general appearance and wellbeing of hair and skin alike.
Hydrolyzed soy protein will greatly increase the hair's ability to retain moisture, add volume, and reduce hair's porosity while improving its smoothness. It will improve your hair's elasticity, resiliency, and increase the shine.

Application of Hydrolyzed Soy Protein
1. Soy protein powder is added to the nutrition cereal and coffee mate, mixed soy, peanuts, milk powder,cocoa milk powder, walnut milk powder, yogurt, fruit juice fermentation milk powder and other various kinds of solid beverage and dairy products in order to improve the products of protein content, strengthen nutrition. Soy protein gluten free is used for cold food, such as all kinds of ice cream, ice cream products,reduce product cost.
2. In the cosmetics industry, hydrolyzed soy protein is used as a conditioning and moisturizing ingredient. It helps strengthen hair, improve skin hydration, and enhance product texture.

Where to Buy Hydrolyzed Soy Protein?
Just send an email to herbext@undersun.com.cn, or submit your requirement in bottom form, we are of service at any time!
Wholesale Hydrolyzed Soy Protein Supplier Undersun
Our state-of-the-art facilities are equipped with advanced extraction methods. From raw material traceability to strict quality control measures, we prioritize safety and efficacy at every step of the process.
20 Years of Industry Experience: With 20 years of experience in the plant extract industry, Undersun brings expertise to every aspect of production.
Production Capacity: We operate a factory with an annual production capacity exceeding 3,000 tons, ensuring a consistent and reliable supply of products, no matter the order size.
Independent Laboratory: Our laboratory allows for rigorous quality control, with every batch of hydrolyzed soy protein tested to meet the highest standards of purity and potency.
Warehouse in the United States: We maintain a warehouse in the U.S. to facilitate faster shipping and better serve our customers.
Guaranteed After-Sales Service: Our commitment to customer satisfaction extends beyond delivery. We provide comprehensive after-sales support, ensuring smooth and hassle-free transactions.
Bulk Hydrolyzed Soy Protein Package
Hydrolyzed soy protein packaging plays a crucial role in preserving the product's freshness, quality, and shelf life. Consider the following packaging features:
Packaging And Delivery
| Packaging Details | 25kg/Drum, according to your requirements |
In Stock
| Supply Ability | 5000 Kilogram/Kilograms per Month |
Lead Time
| Quantity (kilograms) | 1-500 | >500 |
| Lead time (days) | 5 | To be negotiated |

Logistics transportation:

Payment term: T/T ,Western union .Escrow ,L/C or open payment terms

FAQ
Q: Do you provide brand customization service?
A: Yes, we specialize in providing customized services for nutritional supplement companies with their own brands. We can provide you with one-stop brand solutions from product formula, packaging design to labeling.
Q: What aspects does your QC include?
A: We utilize a comprehensive quality control system that involves multiple stages of testing. This includes raw material testing, process testing, and factory testing to ensure the purity, potency, and safety of every supplement we manufacture.
Q: What is your after-sales guarantee?
If you are not completely satisfied with your product, please contact our customer service team.
Reference
Ćirin, D., Pavlović, N., Nikolić, I., & Krstonošić, V. (2023). Assessment of Soy Protein Acid Hydrolysate-Xanthan Gum Mixtures on the Stability, Disperse and Rheological Properties of Oil-in-Water Emulsions. Polymers, 15(9), 2195.
Knežević-Jugović, Z., Culetu, A., Mijalković, J., Duta, D., et al. (2022). Impact of Different Enzymatic Processes on Antioxidant, Nutritional and Functional Properties of Soy Protein Hydrolysates Incorporated into Novel Cookies. Foods, 12(1), 24.
Ren, S., Du, Y., Zhang, J., Zhao, K., Guo, Z., & Wang, Z. (2024). Commercial Production of Highly Rehydrated Soy Protein Powder by the Treatment of Soy Lecithin Modification Combined with Alcalase Hydrolysis. Foods, 13(12), 1800.
Zhu, Y., Chen, G., Diao, J., & Wang, C. (2023). Recent advances in exploring and exploiting soybean functional peptides-a review. Frontiers in Nutrition, 10.
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