dehydrated purple yam powder
Production Process: Plant extraction
Active Ingredient: Anthocyanins
Specification: 10% (HPLC)
Country of Origin: China
Testing Method: High-Performance Liquid Chromatography (HPLC)
Net Weight: 25 kg
Appearance: Purple to dark purple fine powder with a characteristic mild tuber-like odor
Solubility: Soluble in water; slightly soluble in ethanol
Certifications: ISO 9001, Kosher, Halal, FDA, GMP
Packaging: 25 kg/drum
Delivery Terms: FOB, CIF, CFR, EXW, DAP, DDP
Shipping Methods: Courier, Air Freight, Ocean Freight
Payment Terms: Telegraphic Transfer (T/T) Preferred
Availability: Ample stock; fast and secure shipping
Private Label (OEM)/Original Design Manufacturing (ODM): Available
Minimum Order Quantity: 1 kg
For Business Customers Only
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Product Introduction
Dehydrated Purple Yam Powder: 10% Anthocyanins (HPLC) for Food, Beverage and Supplement Brands
Made by plant extraction in China, this standardized ingredient from BioSpark (Xi'an) Biotechnology Co., Ltd. is dehydrated purple yam powder with 10% anthocyanins, verified by HPLC. It is a purple to dark purple fine powder with a mild tuber-like odor, sieved to 100–120 mesh. Moisture is 7% or below, and bulk density is 0.4–0.6 g/ml. The powder dissolves in water and is slightly soluble in ethanol. It is packed in 25 kg drums, with a minimum order of 1 kg for business customers. OEM and ODM services are available.

Product Overview
Fresh purple tubers are seasonal, perishable and labor-intensive to peel. A powder is easier to store and dose, and it gives formulators a natural purple tone for ube-style products.
To make this dehydrated purple yam powder, the tubers are washed, peeled, cut and juiced. The pulp returns to the extraction tank for gentle water extraction, which recovers anthocyanins and polysaccharides left in the pulp. The extract is precision-filtered, combined with the first juice and concentrated under low-temperature vacuum. Depending on the formula, maltodextrin and anti-caking agents are added for flow and stability. The concentrate is then spray-dried, jet-milled, sieved and sterilized at low temperature.
The main anthocyanins are cyanidin-3-glucoside and peonidin-3-glucoside. Dietary fiber, resistant starch, polysaccharides, vitamins and minerals are also associated with purple yam, but their levels in this powder are not stated on this page. Because carriers may be used depending on the formula, please confirm the ingredient declaration for the grade you need.
Product Specifications
| Item | Detail |
|---|---|
| Product | Purple Yam Powder |
| Production Process | Plant extraction |
| Active Ingredient | Anthocyanins |
| Specification | 10% (HPLC) |
| Testing Method | HPLC |
| Country of Origin | China |
| Appearance | Purple to dark purple fine powder |
| Odor | Characteristic mild tuber-like odor |
| Particle Size | 100–120 mesh |
| Moisture | ≤7% |
| Bulk Density | 0.4–0.6 g/ml |
| Solubility | Soluble in water; slightly soluble in ethanol |
| Net Weight / Packaging | 25 kg/drum |
| Shelf Life | 12–18 months (below 25°C, RH below 60%) |
| Minimum Order | 1 kg |
| Delivery Terms | FOB, CIF, CFR, EXW, DAP, DDP |
| Payment | T/T preferred |
| Customers | Business customers only |
Parameters not listed in this table are not specified on this page. Please contact us to confirm any additional requirements for your application.
Supply and Service
- Formula and production support: help from formula design through production, packaging and delivery.
- Trial-friendly minimum order: 1 kg, suitable for trials and small brands (business customers only).
- Customization: private label, product form changes and scalable production can be discussed.
- Batch testing: laboratory testing for purity, consistency and safety, with results confirmed in the COA.

COA
Request a Certificate of Analysis before you order. Your QA team can check the anthocyanin content (HPLC) against your own purchasing standard and compare batches.
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Product Name:
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Dehydrated Purple Sweet Potato Powder
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Batch Quantity :
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500Kg
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BatchNumber :
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GH2026031101 |
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Mfg Date :
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03,11,2026
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Exp Date :
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03,11,2028 |
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item
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standards
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results
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Chemical Physical Control
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Appearance
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Fine powder
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Conforms
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Color
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Purplish
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Conforms
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Odor
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Characteristic
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Conforms
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Sieve Analysis
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100% pass 80 mesh
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Conforms
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Loss on Drying
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≤5%
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3.21%
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Residue On Ignition
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≤4.5%
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2.19%
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Heavy Metals
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≤10ppm
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Conforms
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Arsenic (As)
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≤ 2ppm
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Conforms
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Lead (Pb)
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≤ 2ppm
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Conforms
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Cadmium (Cd)
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≤ 2ppm
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Conforms
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Mercury (Hg)
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≤0.1ppm
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Conforms
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Microbiology Control
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Total Plate Count
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<3000cfu/g
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Conforms
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Yeast & Mold
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<100cfu/g
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Conforms
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E. Coli
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Negative
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Negative
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Salmonella
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Negative
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Negative
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Staphylococci
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Negative
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Negative
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Chemical Physical Control
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Packing
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Packed In Paper-drums and two plastic-bags inside. Net Weight : 25kgs/drum.
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Storage
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Store in cool & dry place. Do not freeze . Keep away from strong light and heat .
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Shelf life
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2 years when properly stored.
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Certifications
The listed certifications are ISO 9001, Kosher, Halal, FDA and GMP. Please contact us to confirm the current documents and their scope for your market, whether for product registration or retailer audits.

Quality Control
Each batch is tested in the laboratory for purity, consistency and safety, and anthocyanin content is verified by HPLC. Other test items and limits are not listed on this page, so please confirm them against the COA of the batch you order.
Functional Properties
Anthocyanins are natural pigments that are widely studied for their antioxidant properties. Fiber and resistant starch are also of interest in nutrition formulas. The powder can serve as a plant-based source of purple color in products that avoid synthetic dyes. This page makes no disease-related claims, and claims on finished products must follow the rules of your target market.
Application Areas
In trial formulations, dehydrated purple yam powder can be evaluated in the following product types:
- Bakery and confectionery: breads, biscuits, cakes, fillings, frozen dough, ice cream and dairy products. Run a stability trial under your own baking or freezing conditions.
- Beverages and instant mixes: ube-style lattes, boba tea, dairy drinks and plant-based milks. The powder is sieved to 100–120 mesh, so test dispersion in your base.
- Nutritional products: meal replacement powders, capsules and tablets.
- Other foods: fruit and vegetable purees.

Customization Options
Beyond the standard 10% grade, dehydrated purple yam powder can be discussed in other forms for different formulas:
- Whole-tuber spray-dried powder for solid drinks and meal replacements
- High-anthocyanin fine powder for colorants and antioxidant products
- Water-soluble instant powder for functional drinks
- Bakery powder for coloring pastry, bread and biscuits
- Blends with blueberry or black goji
Availability, specifications and minimum quantities for these forms are confirmed on inquiry. Color stability depends on pH and processing conditions, so a small pilot trial is recommended.
Packaging, Storage and Shipping
The standard packing is 25 kg per drum. Store the powder in a cool, dry, dark place. The stated shelf life is 12–18 months below 25°C and below 60% relative humidity. Inner packaging details are not specified on this page, so please confirm them when you request a quote.
Shipping options include:
- Express (DHL, FedEx, UPS): for small or urgent orders.
- Air freight: for faster delivery of medium quantities.
- Ocean freight (FCL or LCL): usually the most economical choice for bulk orders.
- Land freight and multimodal transport: for neighboring countries and combined sea-air or sea-land routes.
- Postal service: the lowest-cost option for very small trial orders.
Transit time depends on the destination, route and customs clearance, and we confirm it when quoting. Delivery terms are FOB, CIF, CFR, EXW, DAP and DDP. T/T is the preferred payment method, and goods ship after full payment is received.

After-sales Service
After delivery, you can contact us about documents, storage or formula use. For repeat orders, packaging, labeling or product form can be adjusted, and details are confirmed case by case.

FAQ
1. How does pH affect color stability?
Anthocyanin color depends on pH. It tends to shift toward red or pink in acidic systems and toward blue-green in alkaline ones. Test the powder in your own formula to confirm the result.
2. Does the dehydrated purple yam powder contain carriers?
Depending on the formula, maltodextrin and anti-caking agents may be used. Both pure powder and maltodextrin-stabilized versions are offered, so please state which one you need and request the ingredient declaration before ordering.
3. What is the shelf life?
The shelf life is 12–18 months when stored below 25°C and below 60% relative humidity.
4. Is it GMO-free?
Non-GMO status is not documented on this page. Please ask for supporting documents before ordering.
5. Can it be used in high-heat extrusion?
No extrusion test data are provided here. Anthocyanin color and stability can change with heat, time and pH, so we recommend a pilot trial before scale-up.
6. What are the order terms?
The minimum order is 1 kg, for business customers only. T/T is the preferred payment, and OEM and ODM services are available.
Contact Us
Send your target specification and quantity for dehydrated purple yam powder to sales@biosparkcn.com. Our team will reply with a quotation and next steps.
Send Inquiry
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