Standardized Tribulus (Tribulus terrestris) Fruit Extract with Total Saponins 40% or 95% specifications. Sourced through qualified production partners for dietary supplement manufacturers.
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Available Specifications
Per TT-001 (Verified 2026-09-20):
| Specification Level | Active Marker |
| Tribulus Terrestris Extract Total Saponins 40% (Standard) | UV-Vis |
| Tribulus Terrestris Extract Total Saponins 60% (Premium) | UV-Vis |
| Tribulus Terrestris Extract Total Saponins 95% (High-Purity, Protodioscin-Rich) | UV-Vis / HPLC |
Specifications subject to product requirements and destination-market regulations.
Product Overview
| Botanical source | Tribulus terrestris (puncture vine / gokshura) |
| Part used | Fruit / Aerial parts |
| Active marker | Total Saponins (Protodioscin, Dioscin, Diosgenin, etc.) |
| Form | Brown to dark brown fine powder |
| CAS No. | 90131-68-3 (Tribulus terrestris extract) |
Technical Specifications
| Test Item | Specification | Method |
| Appearance | Brown to dark brown fine powder | Visual |
| Odor & Taste | Characteristic, slightly bitter | Organoleptic |
| Total Saponins Assay | ≥ 40.0%, ≥ 60.0%, or ≥ 95.0% | UV-Vis / HPLC |
| Loss on Drying | ≤ 5.0% | USP <731> |
| Heavy Metals (Pb/As/Cd/Hg) | ≤ 3/1/1/0.1 ppm | ICP-MS |
| Total Plate Count | ≤ 1,000 CFU/g | USP <2021> |
| Yeast & Mold | ≤ 100 CFU/g | USP <2021> |
| E. coli / Salmonella | Negative | USP <2022> |
All specifications subject to product specification and destination-market requirements.
Quality & Documentation
- Certificate of Analysis (COA) per batch with UV-Vis / HPLC verification of Total Saponins
- Heavy metals testing panel (Pb, As, Cd, Hg) via ICP-MS
- Microbiology panel per USP
- Material Safety Data Sheet (MSDS) documentation
- Non-GMO statement
- Allergen statement
- Pesticide residue testing (multi-residue screen)
- Third-party SGS testing available upon request
Applications
- Dietary Supplements: Considered for use in men's vitality and athletic support formulations.
- Functional Food & Beverage: Considered for fortification in functional beverages (men's health).
- Sports Nutrition: Considered for use in athletic performance and recovery formulations.
- Traditional Herbal Preparations: Suitable for use in Ayurvedic and TCM formulations.
Why Source from Nourish Ingredients?
- Specification Matching: Three Total Saponins levels (40%, 60%, 95%) for formulation flexibility.
- Supplier Verification: Production partners maintain FSSC 22000, BRCGS, EU Organic, USDA Organic certifications.
- Sample Comparison: 25-100g samples available for specification evaluation.
- Third-Party Testing: SGS verification available for Total Saponins, heavy metals, and microbiology.
- Documentation Support: Comprehensive documentation package including COA, MSDS, allergen, and Non-GMO statements.
Supply & Ordering
- Sample Availability: 25-100g samples available; standard samples ship within 5-7 business days.
- Minimum Order Quantity (MOQ): 25 kg for standard specifications; smaller quantities for evaluation.
- Lead Time: 7-15 business days from order confirmation.
- Packaging: 25 kg fiber drum with double food-grade PE liner; custom packaging available.
- Shipping: Worldwide shipping via air, sea, or courier; documentation prepared for customs clearance.
Frequently Asked Questions
Q1: What's the difference between Total Saponins 40%, 60%, and 95%?
The 40%/60%/95% difference reflects Total Saponins content measured via UV-Vis or HPLC. 95% is positioned for premium and high-efficacy applications; 40-60% are common for standard supplement formulations.
Q2: What is Protodioscin?
Protodioscin is a furostanol saponin considered the main bioactive compound in Tribulus terrestris. It is associated with the athletic and vitality positioning of the ingredient. Content varies by source and specification.
Q3: Can Tribulus Terrestris Extract be combined with other ingredients?
Tribulus Terrestris Extract is commonly combined with Tongkat Ali, Ashwagandha, Maca, and Fenugreek in men's vitality formulations. We recommend consulting with your formulation team.
Q4: What's the regulatory status in the EU?
Tribulus Terrestris Extract is permitted as a food supplement ingredient in the EU. Specific regulatory status depends on intended application and labeling.
Q5: How is Total Saponins content measured?
Total Saponins content is quantified via UV-Vis spectroscopy (vanillin-glacial acetic acid method) or HPLC for specific saponins (protodioscin, dioscin) per industry-standard methods.
Q6: What's the typical MOQ?
Standard MOQ is 25 kg. Smaller quantities (5-10 kg) are available for evaluation.
Q7: Do you offer custom specifications?
Yes. Custom specifications (e.g., specific Total Saponins content, Protodioscin ratio, packaging) can be discussed with our coordination team.
Q8: What documentation is available?
Standard documentation includes COA, MSDS, allergen statement, Non-GMO statement. Additional documentation available upon request from production partners.
Related Resources
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Compliance Note
Data marked as "typical" reflects industry standards; specific values vary by supplier and batch. Documentation including COA, MSDS, allergen, and Non-GMO documentation is available upon request from production partners.
About Nourish Ingredients: We are a China-based sourcing partner for botanical extracts and nutraceutical ingredients. We coordinate supply for international brands — from specification matching to delivery. Production partners maintain FSSC 22000, BRCGS, EU Organic, USDA Organic, FAMI-QS certifications. Documentation available upon request.
For ingredient sourcing inquiries: ashely@nourishingr.com
Reviewed by: Nourish Ingredients Editorial Team Version: 2.3 Last updated: 2026-09-20