|
HS Code |
491816 |
| Product Name | Rosemary Acid |
| Chemical Name | Rosmarinic Acid |
| Chemical Formula | C18H16O8 |
| Molecular Weight | 360.32 g/mol |
| Appearance | Yellow-brown crystalline powder |
| Solubility | Soluble in water, ethanol, methanol |
| Source | Extracted from rosemary (Rosmarinus officinalis) and other herbs |
| Purity | Typically >98% |
| Melting Point | 171–175°C |
| Cas Number | 20283-92-5 |
As an accredited Rosemary Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 100g amber glass bottle labeled "Rosemary Acid," sealed with a tamper-evident cap, includes chemical safety and handling instructions. |
| Shipping | Rosemary Acid is shipped in tightly sealed, chemical-resistant containers to prevent moisture and contamination. Packaging complies with safety regulations, including proper labeling and documentation. The product is transported under controlled conditions to maintain stability, typically at room temperature, and handled by trained personnel. Suitable for international and domestic shipment by ground or air. |
| Storage | Rosemary acid (rosmarinic acid) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and sources of ignition. Keep the container tightly closed to prevent moisture absorption and degradation. Store at 2-8°C for long-term stability. Properly label the container and avoid contact with incompatible substances such as strong oxidizing agents. |
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Purity 98%: Rosemary Acid with purity 98% is used in pharmaceutical formulations, where it ensures high antioxidant capacity and minimizes impurities for safe therapeutic applications. Molecular weight 360.31 g/mol: Rosemary Acid of molecular weight 360.31 g/mol is used in cosmetic emulsions, where it facilitates effective free radical scavenging and contributes to anti-aging properties. Particle size <10 µm: Rosemary Acid with particle size <10 µm is used in topical creams, where it enables uniform dispersion and enhances skin absorption efficacy. Stability temperature up to 120°C: Rosemary Acid with stability temperature up to 120°C is used in food preservation, where it retains antioxidant functionality during thermal processing. Solubility in ethanol >20 mg/mL: Rosemary Acid solubility in ethanol >20 mg/mL is used in liquid supplements, where it ensures rapid dissolution and homogeneous mixture formation. Melting point 171-175°C: Rosemary Acid with melting point 171-175°C is used in nutraceutical tablets, where it provides processing stability and maintains active compound integrity. Viscosity grade low: Rosemary Acid with low viscosity grade is used in oral suspensions, where it allows easy formulation handling and consistent dosage delivery. UV absorption maximum at 325 nm: Rosemary Acid with UV absorption maximum at 325 nm is used in sunscreen agents, where it boosts photoprotection and reduces oxidative stress from UV exposure. |
Competitive Rosemary Acid prices that fit your budget—flexible terms and customized quotes for every order.
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Turning rosemary leaves into a precise, high-quality acid isn’t just about equipment or recipes. It takes years of sharpening extraction methods, handling raw plant material at every seasonal cycle, and careful observation of every batch’s unique quirks. In our factory, technicians don’t just process rosemary: they know the scent of good leaves by memory, understand which weather patterns bring higher antioxidant content, and can spot subpar powder by sight. The finished product—rosemary acid—carries those hands-on decisions in every fine gram.
The rosemary acid we manufacture follows the model code RA-98, referencing our best-performing extraction protocol with routinely measured results above 98% content. Each lot’s composition comes straight from our floor lab’s HPLC analysis—not lab test reports shaped for marketing, but the actual assay data recorded as powder leaves the separation vessel. We routinely verify for heavy metals, residual solvents, and microbial counts, since plant-based chemicals always reflect their ground and storage. Our quality standard never wavers: no powder ships if tests point to contamination or unusual impurity patterns. We run multiple time-point tests in our in-process control laboratory, which means spot checks at crucial steps mid-batch, not just at the end.
Announcers love calling rosemary acid an antioxidant, and that’s technically true. But daily production and years of client feedback taught us where its value really sits: in stopping fats and volatile oil blends from turning rancid, protecting colors in food emulsions, and lending shelf-life even at low addition rates. Just as important: rosemary acid doesn’t overwhelm products with flavor like crude rosemary extracts can. It slips effectively into edible oils, natural supplements, and even cosmetic formulas without disrupting taste or aroma. This trait matters a lot, since bitter notes get complaints. As direct manufacturers, we’ve seen the exact moment low-purity rosemary extracts ruin a batch’s flavor—crystallized rosemary acid avoids all that trouble.
Sourcing rosemary leaves isn’t only about price per kilogram. Our procurement steps onto the farming fields, working alongside growers who share samples from the exact plots they intend to harvest for us. We review leaf size, essential oil content, and the moisture profile, because all these factors change how much rosemary acid can be carved from a batch. Rainy seasons make leaves swell while hot, dry conditions lift active compound levels. We press growers to avoid pesticides and unfamiliar pre-harvest agents; all raw lots get screened for unexpected residues before ever entering the extraction phase.
Dried leaves arrive compacted into breathable bales. We store them under low humidity with well-circulated ventilation. Even a few days of attic heat can spike peroxide values. Storage slips up, quality drops. By the time rosemary acid enters the distillation unit, leaves have been cleaned, checked, sampled, and sorted. The whole process stays traceable, batch coded, documented for chain of custody—all normal talk for us, who face regulator inspections and customer audits at any time.
Our plant doesn’t just dump leaves into solvents and hope for yield. The extraction tanks run under tightly regulated temperatures. Solvent choices matter—our trials showed ethanol-water blends balance environmental impact, residue, and acid recovery. After extracting, resin columns purify the solution. Operators closely watch color and turbidity; rosemary acid should crystallize clear, off-white, with a characteristic sharp taste that tells experienced tongues it’s right. Any hint of musty or woody notes points to improper refinement; our staff returns such lots for reprocessing or sends them for compost.
Sweating the details becomes the difference. A few degrees of overheat or underheat, and the yield drops or the powder turns sticky. Years of batch records prove how extraction curves change in rainy years or cool autumns. We follow those lessons, adjusting solvents or collecting windows to maintain high-purity output. Final drying steps matter, too—rapid vacuum takes the water out without slumping crystal structure, leaving a free-flowing powder ready for packaging.
Customers who visit our site see rosemary acid delivered as a pale crystalline powder, checked for uniform particle size. No dust clouds, no sticky lumps. Technicians here insist on sealing lots at once after drying because open-air exposure ruins appearance and test results. We use multilayered, food-grade packaging, which proves itself in shipping. Exposed rosemary acid turns yellow if left too long in sun or moist air. Warehouse teams are trained to rotate stock and monitor storage conditions, because fresh product moves quickly—the earlier it ships, the more stable it performs for every client.
Product stability is often misunderstood by buyers. Rosemary acid, kept at room temperature and dry, loses little potency across a year or more. Dosed as a preservative in oil blends, mixed into animal feeds, or blended to stabilize cosmetic emulsions, it keeps active even in complex formulations. Years of working with multinational customers across different industries built our understanding: adjusting for application, dosing by weight, or insulating from recipe acids leads to fewer failures and longer shelf-life in the finished goods.
Ask an operator on our production floor, and they’ll tell you straight: the biggest buyers span food preservation, natural coloring, pharmaceuticals, and the cosmetics industry. Edible oil processors depend on rosemary acid to maintain the rancidity profile of sunflower and seed oils, especially before they bottle and distribute on a global scale. Natural supplement brands buy in bulk as a botanical antioxidant for their health capsules. Cosmetic labs specify rosemary acid by assay content for skin creams and natural deodorant sticks, since it stabilizes oils, prevents oxidation, and offers mild antimicrobial action.
Pet food factories, too, keep returning. They rely on consistency—pets notice odd tastes and can reject food if antioxidants shift profile. We’ve worked with fish meal blenders who need rosemary acid to mask odors and slow spoilage in warm storage, especially in humid climates. Learning buyer concerns first-hand, we share transparent data on each shipment. Our team sends along the actual batch number tied back to lab sheets. No third-party warehousing. No risk of inventory contamination or relabeling. This direct accountability matters to clients who must answer both safety inspections and consumer scrutiny.
Rosemary acid gets compared often with other plant antioxidants—tocopherols, green tea catechins, synthetic TBHQ, and BHA. Our floor experience paints the contrast different from the whiteboard theories. Rosemary acid stands out for tolerating a wider pH range without losing punch, especially in mildly acidic food blends or creams. Synthetic antioxidants may give longer shelf-life but struggle with stricter labeling rules and consumer aversion to E-number declarations. Importers remind us of evolving regulations: rosemary acid, properly extracted and documented, fits the “natural” or “clean label” category most food brands seek.
Green tea extracts sometimes equal our acid in antioxidant power, but deliver astringency and deep color—unwanted in pale emulsions. Tocopherols work best in oil-only systems, less so in complex sauces or pet foods with both water and fats. Rosemary essential oil brings a pleasant scent, but at scale, its flavor and volatility limit use in mass-market production. Directly isolated rosemary acid solves these headaches: it brings neutral taste, low color, and temperature stability at the precise addition rates we publish for each lot. This isn’t only from handbooks: clients report fewer sensory mismatches, easier recipe trial runs, and more predictable analytical results batch to batch.
Clients often ask about off-odors or uneven blends. From what we see, failures come from improper storage of rosemary acid—leaving packs open, letting them sit in humid warehouses, or exposing powder to strong light. We advice integrating rosemary acid into formulations soon after opening, and always reseal in original packaging. During formulation, dispersing the powder into a neutral liquid—say, a portion of base oil—ensures better mixing before loading into production tanks. Skipping this step sometimes creates “hot spots” of acid and possible flavor variation.
Certain clients inquire about mesh size. Over time, we shifted to a consistent 80-mesh sieve, fine enough for fast dissolution, coarse enough to handle without floating dust. Lab analysts at customer sites sometimes send feedback on analytical recovery and trace solvent detections. For each shipment, we clearly publish residual solvent content well beneath international limits, always based on our in-house gas chromatography records. If a batch ever approaches our published limit, we stop it before shipping and rerun solvent stripping. This vigilance grew from hard lessons—early batches without such controls ended up quarantined at customs.
We follow every kilogram of rosemary acid with full traceability, not just internal batch numbers. Supplier farm, arrival date, extraction batch, laboratory analysis, and shipment details all get stamped on certificates. Quality teams conduct mock recalls every quarter, tracing sample lots through discharge notes, packaging lines, and delivery shipments. This isn’t a checklist: it’s a hands-on dry run, simulating an actual recall crisis. Staff from production to packing centers know their role for every protocol, and our IT system—designed in-house, not through a generic vendor—drives this accuracy.
Our laboratory staff run periodic sample retests from retained lots, comparing initial assay to six-month and one-year storage points. This attention protects end buyers from potency or color deviations once the product leaves our site. Clean environments in both extraction and packing lines reduce cross-contamination. We stop production promptly if any incoming raw material fails pre-screening, then notify affected supply chains directly. Our batch recall records match international food safety standards, but more importantly, let clients sleep easier knowing product history is always available.
Seasonal shifts, climate events, and farm input costs pose new trouble in our work. Wild temperature swings can tip rosemary acid content unexpectedly. Fungal outbreaks near harvest periods damage leaves, altering acid concentration and increasing microbial loads. We walk fields with growers, test moisture pre-harvest, and accelerate shipping in high-risk periods. Every dry year or price shift in essential oil markets impacts leaf availability; our sourcing team maintains backup supply lines from multiple regions, but we still prioritize supply partners with an unbroken delivery history and adherence to clean growing practices.
As regulatory scrutiny intensifies, especially across Europe and Asia, we maintain detailed documentation on solvent handling, batch blending, and all cleaning protocols. Inspectors arrive unannounced; our team responds with full batch books and lot samples. Audits validate our in-process controls and support export clients who undergo their own inspections. This open-door track record hasn’t come from luck, but from decades adapting to every surprise and solving failures before they escalate. Modern rosemary acid production has no shortcuts—just tight process control and constant learning from every season’s new surprises.
We don’t just make rosemary acid—we work alongside customers and regulators who investigate every facet of sourcing and process. Open sharing of our protocols, actual test data, and handling advice became standard after seeing too many supply chain headaches caused by vague documentation and missing chain-of-custody. Clients who report problems with formulation or shipping get immediate access to our laboratory team for deeper troubleshooting. Their feedback—what succeeded, what failed—loops back into process tweaks, not just for marketing but to prevent the same issue cropping up for future buyers.
Clients regularly request sampling before committing to major orders; we encourage this. Our sample lots are not altered or presented in “superior” form—they come from the same production vessel, held to the same batch code, tested under the same protocol as shipped product. This transparency cements partnerships, because clients can always check back to the original lab notebook and certificate.
Over the past decade, sustainability calls have grown louder from both regulators and retail buyers. Rosemary, as a crop, fares well under lower water use and fewer chemical inputs compared to intensive botanical crops. Our farming partners use integrated pest management and rotate rosemary on longer cycles, cutting chemical residue risks and lowering environmental load. We have adopted closed-loop solvent recovery, lowering volatile emissions and aligning with both local and export environmental rules.
Improvements in energy efficiency, reduced solvent consumption per kilogram of acid, and use of biodegradable packaging all arise from hands-on process optimization, not stopgap marketing. Feedback from buyers who need carbon footprint documentation feeds directly into our energy and waste reporting. Any supplier missteps on sustainability earn an instant review—we cut off contracts as needed to maintain standards for all downstream users.
Our decades of manufacturing experience show the pitfalls of short-term thinking: rushing batches, ignoring leaf quality, or skipping quality checks all end with inferior product and angry clients. We’ve turned down orders during lean harvest years, preferring reliability over overpromising. Our batch records grew more detailed with each regulatory change and customer audit. Most personnel on our team trained in both plant extraction and analytical chemistry, bringing first-hand knowledge to each process improvement.
Chemical manufacturing never follows autopilot. Rosemary acid, extracted cleanly and handled right, shows why natural antioxidants win market trust. But this trust takes daily attention to leaf source, extraction, purification, packaging, and partnership—not just a premium price or fancy lab words. Clients who rely on clear traceability, rapid answers, and proven quality find lasting value in direct partnership, not third-party reselling. Rosemary acid from our process carries that history, batch by batch, from farmers in the field to finished powder in the package.
Years of hands-on production, raw material sourcing, and practical troubleshooting define our relationship with rosemary acid. Each kilogram reflects adjustment, learning, and a steady focus on what end users really need: purity, predictability, and reliability with every delivery. Industry trends, food safety demands, and evolving sustainability priorities shape us year after year. We stand by rosemary acid as an ingredient forged from both craft and science, ready for tomorrow’s challenges—and today’s standards—without compromise.