Xi'an DN Biology offers high purity botanical Best Rosemary Extract standardized to ≥25% Rosmarinic Acid and ≥80% DPPH scavenging capability. We ensure thermal stability and constant quality for use in food, cosmetics and pharmaceuticals with a sophisticated ethanol extraction process.
We have steady inventory and provide flexible OEM/ODM services, with an annual processing capacity of 3,000 tons and complete certifications including ISO 9001, HACCP, Kosher, Halal and Organic. Our production lead time is only 7-15 days, and we have a full-chain traceability system to guarantee safety and compliance. Our extract is produced to USP, EP and FCC standards for precise levels of natural preservatives for clean label products or useful additives for skin care formulations.
Our product is unique in the world market because of its better active ingredient profile and thorough quality control. This natural ingredient provides a clean-label alternative to synthetic antioxidants like BHA or BHT, without sacrificing efficacy.
Accurate Rosmarinic Acid Content with State-of-the-Art HPLC and GC-MS Testing Each batch is tested for residual solvents, heavy metals (Pb<3ppm, Cd<1ppm) and pesticide residues to comply with international food and pharmaceutical safety requirements.
Our extract is highly thermally stable, thus your compositions will remain functional at temperatures up to 210°C. This makes it perfect for high-temperature processing in baked goods, oils and ready-to-eat meals.
| Parameter | Specification |
|---|---|
| Appearance | Brown to dark brown powder |
| Active Ingredient | Rosmarinic Acid ≥25% |
| DPPH Scavenging Capacity | ≥80% |
| Particle Size | 80–100 mesh |
| Loss on Drying | ≤5% |
| Heavy Metals | ≤10 ppm |
| Extraction Method | Ethanol extraction |
| Certifications | ISO, HACCP, Kosher, Halal, Organic |
High Purity of Active Content
Our extract has 25% rosmarinic acid for dependable antioxidant movement. You have got a reliable safety towards product degradation and lipid oxidation.
Natural Preservative Substitute
Replace synthetic components with clean label answers. Our extract is what consumers want in terms of herbal elements and it additionally extends shelf life instead nicely.
Wide Range of Application
Suitable for use in food, dietary supplements, cosmetics and personal care items. It works well in the water-soluble and oil-soluble systems.
Certified Organic Selections
We also provide certified organic batches for brands that target health-conscious consumers. All certifications are documented and may be verified.
Superior Antioxidant Activity
The ≥80% DPPH scavenging capacity guarantees the freshness, nutritional value and sensory quality of your products throughout their shelf life.
Food & Beverage Industry
Add to oils, fats, baked goods and ready meals to avoid them going rancid. Extract preserves flavour and aroma without changing your product’s sensory profile.
Normal usage ranges are 0.02% to 0.5% depending on fat content and desired shelf life.
Skincare & Cosmetics
use it in creams, lotions, serums and lip balms for antioxidant protection. It also helps to stabilise formulations and protect active chemicals against oxidative stress.
The extract also benefits the skin due to its anti-inflammatory and antibacterial qualities.
Nutritional Supplements
Take in capsule, tablet or powder form to help enhance cognitive function and memory. Rosmarinic Acid is associated with enhanced blood flow and neuroprotective effects.
All our batches of Best Rosemary Extract are carefully tested with sophisticated analytical instruments. We have an in-house laboratory equipped with HPLC, GC-MS, UV-Vis spectrophotometers and moisture analyzers.
Multi-residue screening of pesticides, microbiological tests for E. coli, Salmonella and total plate count are performed. Ensures compliance with USP <467>, EP and FCC standards
Third-party testing is completely supported. We offer free pre-shipment samples for you to check the quality before placing a big order.
Our entire chain traceability system follows each batch from raw material procurement to final packing You are supplied with entire paperwork, including COA and compliance reports.
Excellence in Manufacturing
The plant has 4 extraction tanks (6 m³ every) and three included awareness systems. Uncooked materials are subjected to stratification, decolorization, vacuum drying and spray drying to assure consistency and purity.

Flexible Customization
OEM/ODM services based on your specifications and requirements. If you need precise particle sizes, packaging forms or unique blends we can provide you with the right solutions.
Fast Shipping & Dependable Supply
With a hundred heaps of inventory quite simply available and a manufacturing lead time of approximately 7-15 days, we make sure your supply chain maintains on shifting. In stock products will be shipped within 7 days following buy.
Worldwide Compliance & Certifications
We are ISO 22000, GMP, FSSC 22000, FDA, Kosher and Halal certified. You may be guaranteed your items fit the regulations in North America, Europe and Asia with these certifications.

Q: What are the cognitive benefits of Rosemary Extract?
A. Studies indicate that Rosemary Extract may have positive effects on memory and cognition in young people. It is supposed to enhance blood flow to the brain, but benefits vary from person to person and depend on the dosage.
Q: Is this extract safe for long-term use?
A: Yeah. We have very few chemicals in our extract that could irritate. Like Ginkgolic acid, it is controlled to ≤5ppm and safe for ongoing usage in food, supplements and cosmetics.
Q: What pharmacopoeia standards does your extract comply with?
A: Our product complies with EP (European Pharmacopoeia), USP (United States Pharmacopeia), and CP (Chinese Pharmacopoeia) standards, ensuring global regulatory acceptance.
Q: Can we request for custom specifications or packaging?
A: Yes, of course. We offer versatile OEM/ODM services and may customize active content, particle size and packaging to meet your product specifications.

Ready to enhance your formulations with a premium Best Rosemary Extract? Contact us now to request samples, discuss custom specifications, or place your order.
Email: Info@dnbiology.com