Yam Extract Powder

  - Food & Supplement Grade Chinese Yam Extract Powder | GMP & Organic Certified Manufacturer

Yam Extract Powder, also known as Chinese Yam Extract, is a standardized botanical ingredient derived from the dried tubers of Dioscorea opposita Thunb. Through controlled extraction and purification processes, this ingredient concentrates naturally occurring compounds such as Diosgenin and yam polysaccharides, making it suitable for use in dietary supplements, functional foods, pharmaceuticals, and cosmetic formulations.

Manufactured by Shaanxi Jiuyuan Biotech under GMP-compliant conditions, our Yam Extract Powder is designed for formulation stability, batch-to-batch consistency, and global regulatory compliance, meeting the needs of professional ingredient buyers and brand owners.

Botanical Information

• Botanical Name: Dioscorea opposita Thunb.
• Plant Part Used: Dried tuber (rhizome)
• Common Names: Chinese Yam Extract, Yam Powder, Yam Polysaccharide
• Appearance: Light brownish-yellow to off-white fine powder

1. ✅ Standardized Active Ingredients: Precise Empowerment

Core Component: We offer standardized specifications with high content of Diosgenin (e.g., 1%, 10%, 20%), ensuring stable efficacy and product potency.

Quality Assurance: Diosgenin, a steroidal saponin, serves as a natural endocrine precursor, offering scientific support for maintaining hormone balance and promoting overall health.

2. 🌿 Authentic Sourcing, Exceptional Quality

Raw Material Source: We strictly select authentic and high-quality Dioscorea opposita rhizomes, such as those from the renowned Huai Yam growing regions, guaranteeing their natural bioactivity and nutritional value.

Safety Commitment: Strict testing for pesticide residues and heavy metals ensures the purity and safety of our raw materials, complying with global food and health product regulations.

3. 🧪 Low-Temperature & High-Efficiency Extraction for Enhanced Purity

We employ low-temperature, high-efficiency extraction and precise separation & purification technologies to maximize the preservation of active compounds like Diosgenin.

Features: Our extract powder boasts high purity, minimal impurities, and excellent solubility and dispersibility, making it suitable for high-end health supplement formulations.

Yam extract specifications are typically determined by the extraction process and target compound content. Common specifications include:
Extraction Ratio: 10:1, 20:1, 50:1, etc.
Diosgenin: 6%, 10%, 16%, 20%, 98%, etc.
Chinese Yam Polysaccharide: ≥10.0%.

Storage and Packaging:
Storage Conditions: Store in a cool, dry place, away from light and high temperatures.
Packaging: Generally 25 kg/barrel, with double-layer plastic bags inside and a cardboard barrel outside.
Shelf Life: Two years.

For brands seeking consistent active compound control across different botanicals, standardized extraction plays a critical role in formulation stability.
Learn more about our Standard Plant Extract Powder manufacturing system and how standardized specifications support global supplement and food applications.

Key Bioactive Components

Diosgenin
A naturally occurring steroidal saponin widely studied and used as a botanical precursor in nutritional and pharmaceutical research.

Yam Polysaccharides
Complex carbohydrates commonly incorporated into immune-support and vitality-oriented formulations.

Testing Methods

Diosgenin: HPLC

Polysaccharides: UV-Vis Spectrophotometry

Routine Tests: Moisture, ash, heavy metals, pesticide residues, microbiological limits

Each batch is supplied with a Certificate of Analysis (COA) upon request.

Our Yam Extract Powder is produced through a scientifically controlled, low-temperature extraction process to preserve active compounds while ensuring purity and safety.

Raw Material Selection
Authenticated Dioscorea opposita tubers sourced from stable, traceable supply regions.

Extraction
Water or food-grade ethanol extraction under controlled temperature conditions.

Filtration & Concentration
Removal of insoluble matter followed by vacuum concentration to minimize thermal degradation.

Drying
Spray drying or vacuum drying to obtain a stable, free-flowing powder.

Milling & Sieving
Uniform particle size control for formulation compatibility.

Sterilization & Packaging
Final microbial control and sealed food-grade packaging.

Product Characteristics

• High purity with low impurity profile
• Good solubility and dispersibility
• Suitable for capsule, tablet, powder, and liquid formulations
• Stable under standard storage conditions

Yam Extract Powder is used as a functional botanical ingredient, not as a finished product. Typical application areas include:

1. Women's Health Formulations

Commonly incorporated into female wellness and nutritional balance products, often alongside botanical or nutritional ingredients.

2. Digestive & Nutritional Support

Used in formulations targeting digestive comfort, daily nutrition, and balanced diets, especially in functional food systems.

3. Immunity & Vitality Products

Yam polysaccharides are frequently applied in immune-support and general vitality formulations, including powders and beverages.

4. Cosmetic & Personal Care

Applied in nutricosmetic and topical cosmetic formulations for skin conditioning and product differentiation.

This ingredient is intended for formulation use and is not marketed as a medicinal or therapeutic product.

International Certifications

• cGMP
• ISO 9001 / ISO 22000
• HACCP / FSSC22000
• USDA & EU Organic
• HALAL / KOSHER
• FDA Registered Facility

Quality Assurance

• Full traceability of raw materials
• Batch-level testing for safety and consistency
• Compliance with international food and supplement regulations

Annual Production Capacity: Over 6,000 tons

Standard MOQ: Flexible

Pilot-Scale Customization: Available for orders below 500 kg

Customization Options:

• Active compound content
• Extraction ratio
• Particle size
• Application-specific requirements

1. Stable, large-scale manufacturing with consistent quality
2. Standardized active ingredient control
3. Strong regulatory and documentation support
4. Flexible production for both bulk and customized orders
5. Experienced technical and formulation support team

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

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.

📩 Contact us today to receive:

• Certificate of Analysis (COA)
• Technical data sheet
• Product samples
• Quotation for bulk or customized specifications

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