Product Introduction
Purple potato powder is produced from select purple-fleshed sweet potato cultivars (Ipomoea batatas)using controlled low-temperature drying and fine milling technology, whose tubers accumulate some of the highest anthocyanin concentrations found in any root vegetable. Unlike blueberry or black carrot extracts - which often require solvent-based concentration steps - the whole-root powder retains its native polyphenol matrix intact, including chlorogenic acids, dietary fiber, and resistant starch alongside the headline anthocyanins. Unlike conventional vegetable powders with unpredictable pigmentation, Jiuyuan's Purple Potato Powder is manufactured with a focus on anthocyanin stability and batch-to-batch color consistency.Through controlled processing parameters, the natural purple pigmentation remains stable across common food applications, including beverages, bakery systems, and dry blends.
At Jiuyuan Biotech, we've been processing botanical ingredients since 2012 from our 70,000 m² facility at the foot of the Qinling Mountains. Our purple potato powder is not broker-sourced material relabeled under a private brand - it is manufactured in-house, with full traceability from contracted cultivation bases to the final COA on your desk.
✔ Whole food–based, not extracted color
✔ Naturally rich in anthocyanins
✔ Consistent color, texture, and batch quality
Bulk supply · OEM support · Global compliance
Key Nutritional & Functional Components
The primary active component in purple potato powder is anthocyanin, the natural pigment that gives purple sweet potatoes their distinctive color. Anthocyanin is a potent antioxidant, with its free radical scavenging ability far exceeding that of vitamin C and vitamin E.
| Component Category | Key Constituents | Functional Role |
| Anthocyanins | Acylated anthocyanins | Natural purple pigmentation and antioxidant activity |
| Carbohydrates | Native potato starch | Texture, body, and energy source |
| Dietary Fiber | Insoluble & soluble fractions | Structural support and nutritional value |
| Minerals | Potassium, magnesium | Electrolyte and micronutrient contribution |
| Polyphenols | Phenolic acids | Oxidative stability support |
Certificate of Analysis
|
Item |
Specification |
Result |
Method |
|
Basic Product Information |
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|
Latin Name |
Ipomoea batatas L. |
Conforms |
/ |
|
Part of the Plant |
Whole herb |
Conforms |
/ |
|
Country of Origin |
China |
Conforms |
/ |
|
Marker Compounds |
|||
|
Assay |
>10% |
Conforms |
TLC |
|
Organoleptic Data |
|||
|
Appearance |
Fine Powder |
Conforms |
Sensory |
|
Color |
Purple |
Conforms |
Sensory |
|
Odor |
Characteristic |
Conforms |
Sensory |
|
Process Data |
|||
|
Method of Processing |
Extraction and concentration |
/ |
/ |
|
Physical Characteristics |
|||
|
Particle Size |
≥95% pass 80 mesh |
98% pass |
AOAC973.03 |
|
Moisture |
≤6.0% |
5.6% |
GB/T5009.3 |
|
Ash Content |
≤8.0% |
5.7% |
CP2010 |
|
Heavy Metals |
|||
|
Total Heavy Metals |
<10ppm Max. |
Conforms |
GB 5009.74 |
|
As |
≤0.5 ppm |
0.11 ppm |
GB/T5009. 11 |
|
Pb |
≤1.0 ppm |
0.31 ppm |
GB/T5009. 12 |
|
Cd |
≤0.2 ppm |
0. 12 ppm |
GB/T5009. 15 |
|
Hg |
≤0.05 ppm |
0.012 ppm |
GB/T5009. 17 |
|
Microbiology |
|||
|
Total Plate Count |
≤10000 cfu/g |
1800cfu/g |
GB/T4789.2 |
|
Total Yeast & Mold |
≤200 cfu/g |
40cfu/g |
GB/T4789. 15 |
|
E.Coli |
Negative/ 10g |
Negative/ 10g |
SN0169 |
|
Salmonella |
Negative/ 10g |
Negative/ 10g |
GB/T4789.4 |
|
Shelf Life |
24 months under the conditions above and in its original packaging. |
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|
Storage |
Store in a cool & dry place, keep away from strong light and heat. |
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Advanced Native Starch Processing Technology
Unlike conventional vegetable powders produced by simple dehydration and milling, Jiuyuan's Purple Potato Powder is manufactured using a dedicated native starch processing line, specifically designed to preserve starch structure, color integrity, and functional performance.
This specialized processing capability allows us to control both nutritional composition and physical functionality, making the powder suitable for demanding food formulations.
Controlled Production Process Overview
1. Raw Material Selection & Pre-Treatment
Only selected purple potato varieties with stable anthocyanin profiles and high native starch content are used. Raw materials are carefully washed, peeled, and sliced to minimize enzymatic browning and pigment loss.
2. Native Starch-Oriented Processing
Using proprietary starch-processing equipment, the potatoes undergo controlled mechanical processing that maintains the native starch granule structure, rather than gelatinizing or degrading it.
This step is critical for:
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Preserving natural carbohydrate functionality
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Supporting texture and mouthfeel in final applications
-
Reducing excessive solubility or stickiness common in over-processed powders
3. Low-Temperature Dehydration
A low-temperature drying process is applied to:
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Protect heat-sensitive anthocyanins
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Maintain natural purple coloration
-
Prevent starch gelatinization during dehydration
This ensures that both color stability and functional starch properties are retained.
4. Fine Milling & Particle Size Control
Dried material is finely milled using industrial-grade equipment, followed by precision sieving to achieve uniform particle size distribution.
-
Particle size can be customized (typically 80–200 mesh) to meet specific requirements for:
-
Beverage dispersibility
-
Bakery integration
-
Dry blend uniformity
5. Batch Consistency & Quality Control
Each production batch is evaluated for:
- Color uniformity
- Moisture content
- Microbiological safety
- Heavy metals and contaminants
Batch-to-batch consistency is actively controlled, ensuring stable performance for branded products and large-scale manufacturing.
Why Native Starch Integrity Matters in Formulation
Maintaining native starch structure provides clear formulation advantages:
- Improved mouthfeel and body in beverages
- Structural support in bakery and nutrition bars
- Reduced reliance on refined starches or maltodextrin
- More predictable processing behavior during mixing and baking
For food manufacturers, this translates into better process control and more consistent finished products.
Manufacturing Capabilities at a Glance
- Dedicated native starch processing equipment
- Controlled low-temperature drying systems
- Precision milling and mesh customization
- Scalable production for long-term supply contracts
- Full COA provided for every batch

Key Benefits
1. Antioxidant Support
Naturally occurring anthocyanins and vitamins contribute to antioxidant capacity by helping neutralize free radicals. These compounds are widely studied for their role in supporting cellular protection against oxidative stress in everyday nutrition.
2. Selenium Contribution & Cellular Protection
Purple potato contains trace amounts of selenium, a micronutrient involved in the body's endogenous antioxidant systems, including enzymes related to oxidative balance. Selenium intake is recognized as part of normal nutritional support for immune and cellular health.
3. Glycemic-Friendly Carbohydrate Profile
The dietary fiber content contributes to slower carbohydrate digestion and absorption, helping support balanced post-meal glucose responses. This makes purple potato–based ingredients suitable for formulations targeting balanced energy intake and weight-conscious nutrition.
4. Digestive Function Support
Dietary fiber supports normal intestinal function by contributing to stool bulk and promoting regular bowel movement. Fiber intake is also associated with maintaining a balanced gut environment.
5. Nutritional Density
Purple Potato Powder naturally provides carbohydrates, dietary fiber, vitamins, and essential minerals, contributing to overall nutritional diversity in food formulations. It is suitable as a plant-based nutrient source in clean-label products.
6. Visual Function Support
Anthocyanins are widely studied plant pigments associated with supporting normal visual function by helping protect retinal cells from oxidative stress related to daily visual activity.
Application Areas
Purple Potato Powder offers excellent compatibility across multiple food systems:
Functional Beverages & Drink Mixes
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Natural purple color for smoothies and instant drinks
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Mild flavor impact
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Suitable for plant-based formulations
Bakery & Confectionery
-
Breads, cakes, cookies, fillings
-
Heat-tolerant coloration in standard baking conditions
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Helps reduce artificial color usage
Nutrition & Meal Replacement Products
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Protein powders and meal replacement blends
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Nutrition bars and powdered foods
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Provides color, carbohydrate base, and visual differentiation
Snacks & Specialty Foods
- Extruded snacks and dry mixes
- Clean-label colored food concepts
Why Choose Jiuyuan Biotech?
Founded in 2012, Shaanxi Jiuyuan Biotechnology Co., Ltd. is based at the northern foot of the Qinling Mountains in Huyi District, Xi'an City. We are a dynamic high-tech enterprise that integrates the research and development, production, and sales of plant extracts and fruit and vegetable powders. For many years, our company has been committed to delivering high-quality products and services to customers in the health food, food, and cosmetic industries, with a strong drive to lead China's plant extract industry.
We are equipped with state-of-the-art testing equipment, such as HPLC and UV spectrometers, enabling precise analysis of active ingredient content and purity. Our professional testing team provides detailed product analysis reports, ensuring product quality and safety.

Quality Assurance & Compliance
Manufactured under internationally recognized quality management systems:
- cGMP
- ISO 9001, ISO22000
- HACCP
- FSSC 22000
- HALAL & KOSHER
Each batch is supplied with a Certificate of Analysis (COA), including microbiological and heavy metal testing, ensuring suitability for global food markets.

Comparison: Purple Potato Powder vs. Competing Anthocyanin Sources
One of the most common questions from procurement teams: "Why purple potato powder instead of blueberry extract or black carrot?" The answer depends on your application - here's an honest breakdown.
|
Parameter |
Purple Potato Powder |
Blueberry Extract |
Black Carrot Extract |
Red Cabbage Extract |
|
Anthocyanin type |
Acylated (stable) |
Non-acylated |
Acylated |
Non-acylated |
|
Thermal stability |
★★★★★ |
★★★ |
★★★★ |
★★★ |
|
pH stability (acidic) |
★★★★★ |
★★★ |
★★★★ |
★★★ |
|
Color hue |
Violet-purple |
Red-purple |
Red-orange shift |
Red-purple |
|
Clean label appeal |
✅ Whole food |
✅ |
✅ |
✅ |
|
Cost (bulk, per kg) |
✅ Competitive |
❌ Higher |
Moderate |
Moderate |
|
Whole-food nutrition |
✅ Fiber, starch, vitamins |
❌ Extract only |
❌ Extract only |
❌ Extract only |
|
Regulatory status (EU) |
Natural food ingredient |
Natural food ingredient |
Listed colorant (E163) |
Listed colorant (E163) |
Key takeaway: For heat-processed applications (baked goods, UHT beverages, extruded snacks), purple potato powder's acylated anthocyanin profile gives it a stability edge over most competing sources. For applications where EU colorant regulations are a concern, whole-root purple potato powder used at nutritional dosage levels typically falls outside the colorant regulatory framework - a meaningful compliance advantage.
Delivery Methods, Packages And Storage
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Express Under 100kg, 3-5Days Door-to-door service easy to pick up the goods |
By Sea Over300kg, Around 30 Days Port-to-port service professional clearance broker needed |
By Air 100kg-1000kg, 5-7Days Airport-to-airport service professional clearance broker needed |
Packages and Storage
Storage: Keep in a cool, dry, and clean place. Protect from moisture and direct light.
Bulk Package: 25kg/drum.
Lead Time: 7 days after your order.
Shelf Life: 2 years.
Remark: Customized specifications can also be achieved.

Buyer Guide
Sourcing botanical ingredients for a regulated market is not the same as buying commodity chemicals. Here's what experienced procurement managers check - and what we prepare for you proactively.
What to Verify Before Placing Any Order
1. Anthocyanin Assay Method Not all "anthocyanin %" figures are created equal. The pH differential method (AOAC 2005.02) is the accepted standard for quantifying monomeric anthocyanins. Ask your supplier which method they use - vague answers ("UV method") without specifying the exact protocol are a red flag.
2. Acylation Profile If your application involves heat processing, confirm whether the anthocyanins are acylated or non-acylated. This distinction is rarely disclosed on generic spec sheets but is critical for predicting color performance in your finished product.
3. Pesticide Residue Compliance Specify whether you need EU MRL compliance (Regulation 396/2005), USDA NOP compliance, or both. These are different standards with different residue limits for the same compounds.
4. Carrier Agents Spray-dried powders often contain maltodextrin or acacia gum as carriers. If your product is positioned as "no fillers" or "carrier-free," request a freeze-dried or carrier-free spray-dried grade explicitly.
5. Minimum Order & Lead Time Our standard MOQ is 25 kg for stock grades, with a typical lead time of 7–14 business days. Custom specifications (organic, specific potency, private label) require 4–6 weeks from order confirmation.
Sampling Process
- Submit your inquiry with target specification and intended application
- Receive a complimentary 100–200g sample with full COA within 5–7 business days
- Conduct your internal evaluation / third-party verification
- Request a formal quotation with volume pricing tiers
Pricing Structure
Pricing is tiered by volume, grade (potency), and drying method. Freeze-dried grades carry a 30–50% premium over spray-dried equivalents. Organic-certified grades carry an additional premium. Contact our sales team for a formal quote - we do not publish live pricing online because raw material costs fluctuate with harvest seasons.
FAQ
Q1: What is the difference between purple potato powder and purple sweet potato powder?
In commercial ingredient trade, these terms are frequently used interchangeably and typically refer to the same botanical source: Ipomoea batatas (purple-fleshed cultivar). Strictly speaking, "purple potato" can also refer to Solanum tuberosum varieties (e.g., Purple Majesty, Vitelotte), which are true potatoes with a distinct anthocyanin profile (primarily pelargonidin and petunidin derivatives). At Jiuyuan Biotech, our purple potato powder is derived from Ipomoea batatas purple-fleshed cultivars unless otherwise specified. If your formulation requires a specific botanical source, please clarify at the inquiry stage.
Q2: Is purple potato powder stable in high-temperature processing?
Yes - with an important nuance. The acylated anthocyanins in purple sweet potato are among the most thermally stable natural pigments available, retaining significant color and antioxidant activity at temperatures up to 80°C in acidic matrices. However, prolonged exposure above 100°C (e.g., retort sterilization, extrusion above 140°C) will cause measurable anthocyanin degradation in any source. For ultra-high-temperature applications, we recommend our microencapsulated grade, which provides an additional protective barrier.
Q3: Does your purple potato powder contain any allergens, GMOs, or irradiated materials?
No. Our purple potato powder is non-GMO, allergen-free (not produced in a facility that handles the top 14 EU allergens without segregation controls), and non-irradiated. Full allergen, GMO, and irradiation declarations are provided with every shipment. Certificates are available upon request.
Q4: Can you supply organic-certified purple potato powder?
Yes. We offer NOP (USDA) and EU Organic certified grades for select SKUs. Organic grades are produced from contracted organic cultivation bases with full chain-of-custody documentation. MOQ for organic grades is 50 kg, with a 4–6 week lead time. Please specify organic certification requirements at the inquiry stage.
Q5: What documentation do you provide for FDA/EU regulatory submissions?
We provide a comprehensive regulatory support package including: Certificate of Analysis (per batch), Certificate of Origin, MSDS/SDS, allergen declaration, GMO statement, BSE/TSE statement, Halal/Kosher certificates, and facility registration documentation (FDA). For Novel Food submissions in the EU or NDI notifications in the U.S., we can provide additional technical dossier support - contact our regulatory affairs team.
Q6: How does anthocyanin content vary between harvest seasons?
This is an honest and important question that many suppliers avoid. Anthocyanin content in purple sweet potato is influenced by cultivar, growing region, soil conditions, and harvest maturity - natural variation of ±15–20% between seasons is normal for whole-root powder. For standardized extract grades (≥1%, ≥5%), we blend intermediate batches to maintain specification consistency regardless of seasonal raw material variation. Each lot is released only after HPLC confirmation of anthocyanin content.
Q7: What is the recommended dosage for dietary supplement applications?
Dosage guidance depends on the intended claim and regulatory jurisdiction. In general dietary supplement formulations, whole-root purple potato powder is commonly used at 500 mg–2,000 mg per daily serving. For standardized anthocyanin extracts (≥1%), typical usage levels are 200–500 mg per serving. These figures are provided for formulation reference only and do not constitute medical or regulatory advice. Formulators should consult applicable regulations (FDA 21 CFR, EU Food Supplements Directive) and their own regulatory counsel.
Q8: Can you handle private label or white-label packaging?
Yes. We offer private label services including custom packaging (pouches, drums, labels), custom specification blending, and co-manufacturing for finished supplement formats. Minimum quantities and lead times vary by project scope. Contact our business development team with your project brief for a tailored proposal.
Ready to Source?
Whether you're qualifying a new ingredient for a product launch or looking to consolidate your botanical supply chain, our technical sales team is equipped to support you from sample request through commercial supply.
Request a sample, COA, or bulk quote: Email: info@jiuyuanbio.com 📞 +86 029 88215052 🌐 www.jiuyuanbio.com
Jiuyuan Biotech supplies purple potato powder to dietary supplement manufacturers, functional food brands, and cosmetic formulators across 30+ countries. Our vertically integrated facility, in-house analytical capabilities, and 12 international certifications make us a qualified, auditable source for your most demanding ingredient specifications.
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