What Is Potato Starch? Applications, Dosage, Alternatives & Specifications
Last updated: 2026-11-14 · CAS 9005-25-8 · Food Grade
- Quick facts
- Name
- Potato Starch
- CAS number
- 9005-25-8
- Grade
- Food Grade
- Certifications
- ISO 9001 · ISO 22000 · HACCP · FAMI-QS · Kosher · Halal · GMP · SGS
- Application areas
- 4
- Documentation
- COA · TDS · SDS
Overview
Potato starch is a natural plant polysaccharide extracted from potato tubers, representing the most characteristic variety among tuber starches. Its unique molecular structure and physicochemical properties make it irreplaceable in food processing and industrial applications. Basic Information:
English Name: Potato Starch
CAS Number: 9005–25–8
Applications
Comparison of Major Starch Varieties
Comparison Dimension
Detailed Comparison with Corn Starch
Detailed Comparison with Corn Starch
Detailed Comparison with Tapioca Starch
Detailed Comparison with Tapioca Starch
Selection Guidance
High-Transparency Foods (jellies, candies, sauces): Prioritize potato starch for highest transparency
Specification
| Potato Starch | Corn Starch | Wheat Starch | Tapioca Starch | |
|---|---|---|---|---|
| Source | Potato tubers | Corn endosperm | Wheat endosperm | Cassava roots |
| Particle Size | 35–105μm (largest) | 5–25μm | 2–35μm | 5–35μm |
| Amylose Content | Approximately 20% | Approximately 27% | Approximately 25% | Approximately 17–22% |
| Amylopectin Content | Over 79% | Approximately 73% | Approximately 75% | Approximately 80% |
| Gelatinization Temperature | Approximately 64°C (lowest) | Approximately 72°C | Approximately 73°C | Approximately 65°C |
| Peak Viscosity | 2988 BU (highest) | 589 BU | 298 BU | High |
| Hot Paste Stability | Poor | Moderate | Good | Moderate |
| Gel Strength | Weak | Moderate | Moderate | Weak |
| Transparency | Highest | Moderate | Moderate | High |
| Freeze-Thaw Stability | Good | Moderate | Moderate | Good |
| Water Absorption (times) | 400–600 | 200–300 | 200–300 | 300–400 |
| Flavor | Characteristic | Neutral | Neutral | Neutral |
| Allergens | None | None | Contains gluten | None |
| Cost | Medium-High | Low | Low-Medium | Low-Medium |
| Primary Applications | Thickener, gelling agent, high-transparency foods | Starch sugars, industrial | Flour products, feed | Modified starches, beverages |
| 4.2 Detailed Comparison with Corn Starch |
Packaging & Storage
- Packing: 25kg net fiber drum with double PE liner.
- Sample: 100-500g free sample available.
- Storage: Keep in tightly closed packaging, cool, dry, well-ventilated. Protect from light and moisture.
- Shelf Life: 24 months from production date.
Quality & Certifications
Every batch tested by in-house QC lab. COA, TDS, SDS provided with each shipment.
Regulatory & Compliance
EU
Complies with EU regulations and FAMI-QS standards.
USA
Meets FDA and AAFCO requirements.
China
Registered under Chinese MOA regulations.
International
Kosher, Halal, ISO certified. FTA forms available.
Safety & Handling
- Hazard Class: Generally non-hazardous. Refer to SDS for details.
- Storage: Room temperature, dry, sealed. Avoid strong oxidizers.
- Transport: Non-dangerous goods. Standard sea/air freight.
- SDS: Available on request at sales@xadditive.cn.
Frequently asked questions
MOQ?
MOQ is 1kg for trial, 25kg for regular orders. Free samples available.
Shelf life?
24 months from production date when stored properly.
Certifications?
ISO 9001, ISO 22000, HACCP, FAMI-QS, Kosher, Halal, COA, SDS, TDS.
How to get quote?
Email sales@xadditive.cn with your requirement. Reply within 30 minutes.
Request a quote & COA
Ask for the current specification sheet, a COA sample and a bulk quotation — reply within 30 minutes on working days.