Natural Ferulic Acid Powder, 98% HPLC - Rice Bran Derived, Supplied in Bulk

Name: China Natural Ferulic Acid Manufacturers Suppliers Factory - Nature Natural Ferulic Acid - Green Spring Technology
Brand: Green Spring
SKU: 52583821

We extract it, we release it, and we ship it in 25 kg drums. Trans-isomer control, colour stability and a full document pack on every lot - for formulators and buyers who have to defend the spec to their own QA team.

Assay ≥ 98.0% Free Ferulic Acid (HPLC) 100% Non-GMO Rice Bran Origin Trans / Cis Ratio Reported Per Batch ISO 9001 · ISO 22000 · Kosher · Halal

R&D Insights: Differentiating Botanical Trans-Ferulic from Synthetic Petrochemicals & Preventing Serum Discoloration

Technical notes from our cosmetic chemistry & botanical extraction R&D team.

Ferulic Acid (4-hydroxy-3-methoxycinnamic acid) is the gold-standard antioxidant stabilizer in high-performance cosmetic serums, proven to double the photoprotective efficacy of Vitamin C (L-Ascorbic Acid) and Vitamin E (Tocopherol). However, formulation chemists face two critical operational bottlenecks: first, navigating regulatory scrutiny between petroleum-derived synthetic ferulic acid and 100% natural botanical sources; second, managing oxidation-induced color darkening (browning) and recrystallization in aqueous-glycol serum matrices.

Our plant solves these challenges by extracting pure Trans-Ferulic Acid exclusively from non-GMO Rice Bran Oil via green enzymatic hydrolysis and fractional recrystallization. This yields a clean, bright off-white crystalline powder with a sharp melting point (169°C – 172°C), ultra-low residual solvent content (< 100 ppm ethanol), and exceptional chemical stability. The result is zero synthetic chemical off-notes, predictable batch-to-batch solubility in glycol bases, and guaranteed HPLC purity assay ≥ 98.5%.

Technical Specifications (Standard 98% Grade)

Product Name & CAS Number	Natural Ferulic Acid (trans-4-hydroxy-3-methoxycinnamic acid) \| CAS 1135-24-6 \| EC 214-486-9
Botanical Source & Traceability	Non-GMO rice bran / rice bran oil pitch (Oryza sativa L.) \| mill and harvest season recorded per lot
Chemical Formula & MW	C₁₀H₁₀O₄ \| 194.18 g/mol
Assay (Free Ferulic Acid)	≥ 98.0% (typical lots 99.0–99.5% ) \| HPLC, external standard against certified reference material
Isomer Profile	Trans-isomer ≥ 98.5% of chromatographic area; cis-isomer reported separately on the batch HPLC trace
Identification	HPLC retention time concordant with reference standard + FTIR spectrum match
Appearance & Odour	Off-white to pale cream free-flowing crystalline powder; faint characteristic odour, no solvent off-note
Particle Size	100% through 80 mesh; D50 controlled within a fixed band \| laser diffraction. Micronised and dispersion-grade granulations made to order.
Melting Range	169.0 °C – 172.0 °C \| capillary / DSC. A wide or depressed range is our first warning sign of a degraded lot.
Loss on Drying / Ash	≤ 0.5% (105 °C, 3 h) \| Residue on ignition ≤ 0.1%
Solubility Profile	~0.6 g/L in water at 25 °C (sparingly soluble); soluble in warm ethanol, propylene glycol, propanediol and ethoxydiglycol; practically insoluble in cold water
Residual Solvents	Ethanol ≤ 500 ppm (typical under 100 ppm ) \| GC-HS, ICH Q3C Class 3 limits
Heavy Metals	Pb ≤ 2 ppm · As ≤ 1 ppm · Cd ≤ 1 ppm · Hg ≤ 0.1 ppm · total ≤ 10 ppm \| ICP-MS
Pesticide Residues	Complies with Reg. (EC) No 396/2005 \| multi-residue GC-MS/MS and LC-MS/MS screen
Microbiological Standard	Total plate count < 1,000 cfu/g · yeast & mould < 100 cfu/g · E. coli, Salmonella, S. aureus: negative
Natural Origin Documentation	ISO 16128 natural-origin statement + ASTM D6866 biobased carbon result available per lot ; non-GMO, allergen and vegan statements included
Shelf Life & Storage	24 months in unopened original drums below 25 °C, RH < 60%, protected from light. Reseal with the desiccant in place after sampling.
Commercial Terms	MOQ 1 kg · free 100 g evaluation sample · 25 kg fibre drum · 7–15 working days for stocked grades· FOB / CIF / DAP

Need a tighter spec? We routinely work to customer limits on particle size, cis-isomer, iron, residual solvent and microbiological counts. Sodium ferulate and water-dispersible granulations are available where a cold-water process makes the free acid impractical.

Six Reasons Buyers Keep This Grade on Their Approved Vendor List

1. We start at the mill, not at a trading catalogue

Rice bran oil pitch is contracted from a small group of mills, and gamma-oryzanol is recovered in the same stream - so the raw material economics do not swing with the spot market for a single extract. Each lot carries a mill code and harvest season, and we keep a raw-material retain alongside the finished-goods retain. When a customer's auditor asks "where did this drum come from", the answer is a document, not a phone call.

2. The chromatogram is part of the delivery

Every shipment includes the raw HPLC trace with trans and cis peaks marked, the melting-point log and the ICP-MS screen. We sell against an assay number, never a "4:1 extract" ratio - a 4:1 rice bran concentrate says nothing about free ferulic acid content. Buyers switching from a ratio-graded material usually find their real active content was a fraction of what they assumed.

3. Colour stability, because your serum sits in a clear bottle

Trace iron is the usual culprit behind yellowing, so we set an internal iron limit below the general heavy-metal spec, pack under low oxygen and use light-barrier liners. Our 40 °C / 75% RH accelerated programme tracks assay and colour drift over 6 months [VERIFY data], and we share the graph rather than just the word "stable". We also hand over the formulation details that matter: 0.05% EDTA-2Na, nitrogen headspace, addition below 45 °C.

4. It dissolves before your batch gets hot

A controlled crystal size band means a 0.5% premix in propanediol clears at 40–45 °C in about 15–20 minutes [VERIFY with your own trial]. No gritty sediment, no second heating cycle, and less time with vitamin C sitting warm in the vessel. For plants that cannot heat at all, we supply sodium ferulate or a dispersible granulation instead of pretending the free acid will work cold.

5. A document pack that survives an audit

COA, TDS, SDS, process flow chart, HPLC and ICP-MS raw data, residual solvent, pesticide multi-residue, ISO 16128 natural-origin statement, ASTM D6866 report [VERIFY], non-GMO / allergen / vegan declarations, certificate of origin. Standard files go out within 24 hours of a request. If your QA wants pre-shipment retesting at SGS, Eurofins or Intertek, we arrange it against the same retained lot.

6. Stock on the floor, not a promise in a quote

We hold safety stock of the standard 98% grade against rolling forecasts [VERIFY tonnage], so a 1 kg trial, a 25 kg drum and a multi-ton annual contract all come from the same released lots. Typical dispatch is 7–15 working days for stocked grades. Numbered retain samples are kept 36 months - useful when a customer reformulates and wants to compare against the material they bought two years earlier.

Where It Goes, and at What Dose

C + E + Ferulic antioxidant serums

The classic 15% L-ascorbic acid / 1% alpha-tocopherol / 0.5% ferulic acid system, held at pH 3.2–3.8. That 0.5% is the clinical benchmark from Lin et al. (2005); going much above 1% mostly adds colour load, not protection. In aqueous vitamin C serums held at pH 3.5 and 25 °C, the ferulic pairing flattens the decay curve markedly over 12 weeks (indicative data compiled from Pinnell et al., 2003).

Sun care and after-sun products

0.1–0.5% in SPF lotions, day creams and after-sun gels to mop up UV-driven free radicals and support the filter system. It is an antioxidant, not a UV filter - we never write SPF contribution into a specification, and your regulatory team will appreciate that. Watch iron and packaging oxygen here; clear PET plus heat is the harshest combination.

Anti-ageing creams, eye contour and masks

0.1–0.5% alongside retinol, niacinamide or peptides, where the phenolic moiety helps limit oxidative degradation of the formula itself. Emulsion systems are more forgiving than transparent serums, but the addition temperature rule still applies: bring it in below 45 °C during cool-down.

Dietary supplements and capsules

Human intervention work clusters around 100–1,000 mg/day; commercial capsules most often land at 100–250 mg/day. We supply a free-flowing grade with a tight moisture spec for direct capsule filling and tableting. Final dose and claims belong to your regulatory file - we supply the material and the analytical data, not the label copy.

Food and beverage lipid protection

At 0.01–0.05%, ferulic acid slows peroxide and hexanal formation in oil-containing systems - nuts, baked snacks, instant noodles, processed meat (Graf, 1992; Srinivasan et al., 2007). Check permitted categories and maximum levels in your target market before you commit to a formulation; the regulatory position differs between the US, EU and China.

Bio-based vanillin, feed and custom derivatives

A natural precursor for bio-based vanillin production by microbial conversion, and an antioxidant in specialty feed premixes. We also make sodium ferulate for water-rich systems and can adjust crystal size, granulation or carrier to a customer process. Tell us the equipment and the solvent system; that determines the grade far more than the assay number does.

What Formulators and Buyers Actually Wrote Back

Paraphrased from project correspondence, shared with permission and anonymised. No five-star badges - these are working notes, not testimonials.

PROJECT NOTE 01 · CE SERUM, US SKINCARE BRAND

"First pilot we ran with our old supplier's material went amber in week six. Their tech team asked for our water-phase iron number before they talked about price - nobody had asked us that before. We changed the chelator and the headspace, and the same 0.5% dose held colour through the 90-day pull."

- Lead formulation chemist, contract manufacturer, New Jersey

PROJECT NOTE 02 · CLEAN-BEAUTY AUDIT, EU OEM

"Our auditor wanted proof of botanical origin, not a statement on letterhead. We got the radiocarbon result, the ISO 16128 calculation and the HPLC trace tied to the same lot number. One round of questions instead of three. That is the whole reason we switched."

- Regulatory affairs manager, cosmetic OEM, northern Italy

PROJECT NOTE 03 · SCALE-UP, AUSTRALIAN PERSONAL CARE GROUP

"We were dosing straight into water and blamed the powder for the grit. Their application note said pre-dissolve in propanediol at 45 °C - we tried it on the 50 kg batch and the sediment disappeared. I would have preferred to hear that before the first trial, but at least the answer was specific."

- Process development lead, Melbourne

PROJECT NOTE 04 · REPEAT CONTRACT, FINE CHEMICAL DISTRIBUTOR

"Three drums a quarter for two years. We retest every incoming lot ourselves and the assay has stayed inside a 0.4-point band. The double liner matters more than people think - 35 days in a container through a hot summer and the powder still pours."

- Sourcing manager, specialty ingredients distributor, Hamburg

Quality Control & Regulatory Compliance

✓ Audited systems, not just certificates on a wall

Manufactured under ISO 9001 and ISO 22000 with cGMP-style batch records. Kosher and Halal certified; non-GMO, vegan and allergen statements issued per lot. Cosmetic customers receive documentation aligned with Reg. (EC) No 1223/2009 and ISO 16128, including the natural-origin calculation rather than a blanket "100% natural" phrase.

✓ Release testing, raw data and 36-month retains

Assay and isomer ratio by HPLC, identity by FTIR, melting range, LOD and ash, ICP-MS metals, GC-HS solvents, pesticide multi-residue screen and full microbiology. The raw traces ship with the typed COA. Numbered retain samples are held 36 months, so a disputed result can be re-run against the original material.

What we will not promise

Organic or COSMOS certification is not automatic on every lot - those grades are made to order and need to be named at quotation stage. We do not write therapeutic or SPF claims into a spec sheet. And we will not quote a "4:1" ratio as though it were purity, even when a competitor's enquiry form asks for one. If something in your brief is not achievable at 98% natural grade, you will hear it before the sample ships, not after the PO.

Request the official quality documents & test reports (free PDF)

Ask through the enquiry form below and the standard pack goes out within 24 hours, matched to the lot we would actually ship you.

Packaging Specifications & Global Logistics

Commercial bulk packaging

• Evaluation sample: 100 g in a light-proof aluminium foil pouch, free of charge.
• Small volumes: 1 kg and 5 kg heat-sealed foil bags with food-grade desiccant.
• Bulk: 25 kg fibre drum, double food-grade PE liner plus an aluminium barrier bag, nitrogen-flushed where the project calls for it.
• Palletising: 20 drums / 500 kg per pallet, stretch-wrapped and corner-protected [VERIFY].

Shipping and paperwork

• Samples: DHL / FedEx / UPS, dispatched within 24–48 hours with the lot COA in the pouch.
• Bulk: sea freight or air cargo, FOB / CIF / DAP, 7–15 working days for stocked grades [VERIFY].
• Documents on board: commercial invoice, packing list, COA, SDS, certificate of origin, non-GMO statement and any pre-agreed third-party report.
• Storage in transit: keep below 25 °C and out of direct sunlight; the barrier liner is there for a reason - reseal it immediately after sampling.

A practical note from our logistics desk: ferulic acid is not classified as a dangerous good for transport, but it is light- and moisture-sensitive. We have seen more damage from a drum left open on a warm loading bay than from an entire ocean crossing. Tell your warehouse team to keep the desiccant in and the lid on.

Frequently Asked Questions (FAQ)

Q1: How do you prove it is natural rather than synthetic?

A: Three layers. The process record traces the lot back to rice bran oil pitch from a named mill; the impurity and isomer profile on HPLC looks different from a vanillin-derived product; and ASTM D6866 radiocarbon analysis measures biobased carbon directly, which is the number an EU auditor will accept. We supply the ISO 16128 natural-origin statement alongside it. Ask for the D6866 report with the sample, not after the first order.

Q2: Is natural ferulic acid more effective than synthetic?

A: Chemically, no - at the same trans-isomer purity, the molecule behaves the same. You are paying for traceable origin, clean-label eligibility and a defensible claim, not for extra antioxidant activity. If those things do not matter in your market, we would rather tell you that now than win an order you will regret at audit.

Q3: How should we dissolve it in a water-based serum?

A: Free ferulic acid dissolves at only about 0.6 g/L in cold water. Pre-dissolve the 0.5% dose in propanediol, propylene glycol, ethoxydiglycol or ethanol at 40–45 °C, then add to the water phase during cool-down, below 45 °C. Keep the finished pH at 3.2–3.8, add 0.05% EDTA-2Na if your chelator system allows it, and use a nitrogen headspace. If the process cannot be heated, ask for sodium ferulate or our dispersible granulation.

Q4: Why do you report cis-isomer separately?

A: Natural material is overwhelmingly trans, and the trans form is the one used in the published serum work. A growing cis peak usually means light or heat exposure, or a sloppy synthesis. Two powders can both say "98%" on a COA and behave differently in a clear bottle six months later. We mark both peaks on the batch chromatogram so your QC can see the ratio rather than take our word for it.

Q5: What are typical use levels?

A: 0.5% in leave-on antioxidant serums (the clinical benchmark), 0.2–1.0% across serums and creams, 0.1–0.5% in sun care and masks, 0.01–0.05% for lipid protection in foods, and 100–250 mg/day in most commercial supplement formats. Above roughly 1% in a clear serum you add colour load without much extra benefit.

Q6: What is the MOQ, lead time and sample policy?

A: MOQ 1 kg, free 100 g sample with the lot-specific COA and HPLC trace, dispatched in 24–48 hours. Stocked 98% grade ships in 7–15 working days; custom particle size, granulation, sodium ferulate or certified organic lots are scheduled against a production slot and quoted separately [VERIFY lead times].

Q7: Can we retest at our own or a third-party laboratory?

A: Yes, and we would rather you did. We can ship a pre-shipment sample to SGS, Eurofins, Intertek or your nominated lab, and we hold a numbered retain from every lot for 36 months. If a result disagrees, we compare methods first - external-standard HPLC versus a different column or detection wavelength is the most common source of a 1–2 point discrepancy.

Q8: Which documents come with the shipment?

A: COA, TDS, SDS, process flow chart, raw HPLC / ICP-MS / GC-HS data, pesticide multi-residue report, ISO 16128 statement, ASTM D6866 report where contracted [VERIFY], non-GMO / allergen / vegan declarations, Kosher and Halal certificates, and certificate of origin. Tell us your target market at enquiry stage and we will assemble the pack your customs and QA teams actually need.

Where the numbers come from

Lin FH, Lin JY, Gupta RD, et al. Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. J Invest Dermatol. 2005;125(4):826–832 · Pinnell SR, Yang H, Omar M, et al. Topical L-ascorbic acid: percutaneous absorption studies and stability work, 2003 · Zhao Z, Moghadasian MH. Chemistry, natural sources, dietary intake and pharmacokinetic properties of ferulic acid. Food Chem. 2008;109(4):691–702 · Ou S, Kwok KC. Ferulic acid: pharmaceutical functions, preparation and applications in foods. J Sci Food Agric. 2004;84(11):1261–1269 · Graf E. Antioxidant potential of ferulic acid. Free Radic Biol Med. 1992;13(4):435–448 · Srinivasan M, Sudheer AR, Menon VP. Ferulic acid: therapeutic potential through its antioxidant property. J Clin Biochem Nutr. 2007;40(2):92–100 · ISO 16128 (natural origin index), ASTM D6866 (biobased carbon), Reg. (EC) No 1223/2009, Reg. (EC) No 396/2005, ICH Q3C.
Published literature values and formulation benchmarks are indicative and are cited for specification discussion only. Product claims on finished goods remain the responsibility of the brand owner and must follow local regulation. [VERIFY] items are internal figures to be confirmed against current batch records before publication.

Tell Us the Formula, and We Will Send the Right Grade

Send three things - your target market, the dosage form and your monthly volume. Within 24 hours you get a per-kilo price at that volume, the full spec sheet, a sample COA with its HPLC trace, and a free 100 g sample from the lot we would actually ship. No catalogue PDF first, no "sales representative will contact you" loop.

Request Bulk Quote & Free 100 g Sample

Xi'an Green Spring Technology Co., Ltd. · Natural ferulic acid powder, sodium ferulate and custom granulations · Samples, COAs and technical questions answered by the plant team.

Hot Tags: natural ferulic acid, China natural ferulic acid suppliers, manufacturers, factory