Standardized Olive (Olea europaea) Leaf / Fruit Extract with Oleuropein 20% / 40% specifications. Sourced through qualified production partners for dietary supplement manufacturers.
✉ Request COA via Email
Request Free Sample
Request Quote
Available Specifications
Per OLO-001 (Verified 2026-09-20):
| Specification Level | Active Marker |
| Olive Leaf Extract Oleuropein 20% (Standard) | HPLC |
| Olive Leaf Extract Oleuropein 40% (Premium) | HPLC |
| Olive Leaf Extract Oleuropein 60% (High-Purity) | HPLC |
Specifications subject to product requirements and destination-market regulations.
Product Overview
| Botanical source | Olea europaea (olive leaf / fruit) |
| Part used | Leaf (primary) / Fruit |
| Active marker | Oleuropein (secoiridoid glycoside) |
| Form | Brown to dark brown fine powder |
| CAS No. | 32619-42-4 (Oleuropein); 8001-25-0 (Olea europaea extract) |
Technical Specifications
| Test Item | Specification | Method |
| Appearance | Brown to dark brown fine powder | Visual |
| Odor & Taste | Characteristic, slightly bitter | Organoleptic |
| Oleuropein Assay | ≥ 20.0%, ≥ 40.0%, or ≥ 60.0% | 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 HPLC verification of Oleuropein
- 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 cardiovascular and immune support formulations.
- Functional Food & Beverage: Considered for fortification in functional beverages and edible oils.
- Cosmeceuticals: Considered for use in topical skincare formulations (anti-aging, soothing, antioxidant).
- Traditional Herbal Preparations: Suitable for use in Mediterranean herbal formulations.
Why Source from Nourish Ingredients?
- Specification Matching: Three Oleuropein levels (20%, 40%, 60%) 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 Oleuropein, 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 Oleuropein 20%, 40%, and 60%?
The 20%/40%/60% difference reflects Oleuropein content measured via HPLC. Higher Oleuropein content is positioned for premium and pharmaceutical applications.
Q2: What's the difference between Oleuropein and Hydroxytyrosol?
Oleuropein and Hydroxytyrosol are both olive polyphenols. Oleuropein is the secoiridoid glycoside form (more abundant in olive leaves); Hydroxytyrosol is its hydrolysis product (more abundant in olive oil). Both are strong antioxidants.
Q3: Can Olive Extract (Oleuropein) be combined with other ingredients?
Olive Extract (Oleuropein) is commonly combined with Hydroxytyrosol, Resveratrol, and Vitamin C in antioxidant formulations. We recommend consulting with your formulation team.
Q4: What's the regulatory status in the EU?
Olive Leaf Extract (Oleuropein) is permitted as a food supplement ingredient in the EU. Specific regulatory status depends on intended application and labeling.
Q5: How is Oleuropein content measured?
Oleuropein content is quantified via HPLC with UV detection at 230 nm or 280 nm 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 Oleuropein content, water-soluble form, 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
Request Sample & Quote
Request Free Sample →
Request Quote →
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