| HS Code | 156194 |
| Name | Theaflavins |
| Chemical Class | Polyphenol |
| Source | Black tea leaves (Camellia sinensis) |
| Molecular Formula | C29H24O12 |
| Appearance | Reddish-brown powder |
| Solubility | Soluble in water and ethanol |
| Molecular Weight | 564.5 g/mol |
| Taste | Astringent, slightly bitter |
| Primary Components | Theaflavin, Theaflavin-3-gallate, Theaflavin-3'-gallate, Theaflavin-3,3′-digallate |
| Stability | Sensitive to heat and light |
| Storage Conditions | Store in a cool, dry, and dark place |
| Uses | Food additive, dietary supplement, natural colorant |
| Purity | Typically >95% (for supplements) |
| Cas Number | 4670-05-7 |
| Origin Of Name | Derived from 'Thea', the former name for the tea plant |
As an accredited Theaflavins factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Theaflavins, 1g, are supplied in a sealed amber glass vial with tamper-evident cap, labeled for laboratory use only. |
| Shipping | Theaflavins are shipped in tightly sealed containers to protect them from moisture, light, and air. Shipments are typically handled at room temperature under dry conditions. Proper labeling and documentation accompany each package to ensure safe handling and compliance with regulatory guidelines for chemical materials. |
| Storage | Theaflavins should be stored in a tightly sealed container, protected from light, moisture, and air to prevent degradation. Store at a cool temperature, ideally between 2–8°C (refrigerated). Avoid exposure to heat and acidic or basic environments. Ensure the storage area is well-ventilated and free from sources of ignition. Always follow specific manufacturer and laboratory safety guidelines when storing theaflavins. |
Competitive Theaflavins prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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Ask anybody who’s spent decades driving a reactor or minding the analytics in a chemical plant: not every batch of theaflavins is the same, no matter what the certificate claims. Years of trial, refinement, and tasting the raw reality of process optimization have taught us to spot product quality in the first seconds of a quality control assay. Theaflavins demand more than textbook extraction and crystallization. Consistent strength, robust purity, and controlled particle size come from sweat, late-night tank cleaning, and hard-won process insight.
Every theaflavin that leaves our production lines comes with a built-in expectation: end users want predictable antioxidant power, clean solubility, and a well-tracked polyphenol fingerprint. No one in pharmaceuticals or nutraceuticals enjoys running pilot formulations with lots that swing wildly in composition. Our model for Theaflavin 95% delivers a focused total theaflavin content—stripped of unnecessary catechins and with low moisture to ensure shelf stability.
Sourcing the right leaf means spending time in the fields, not just buying to the lowest bid. Standard theaflavin extraction often starts with black tea dust, swept together from containers at auction. Our approach zeroes in on leaves grown for specific polyphenol profiles, tested down to the farm and season. Raw tea drives the flavor, antioxidant profile, and ease of downstream purification in every batch. Years of working side-by-side with growers, sharing lab results, and paying a premium for tight controls mean our final product lands at the top of chromatogram peaks—not diluted with unknown plant matter.
Even small temperature swings in oxidation or incorrect pH at extraction shift theaflavin content, or worse, bring up unwanted thearubigins and degrade the yield. We’ve spent countless cycles tuning the oxygenation and timing windows. Standard industry practice tries to maximize extraction speed for higher throughput, which often sacrifices polyphenol integrity. We keep reactor dwell time and agitation dialed to preserve the four main theaflavins—TF1, TF2A, TF2B, and TF3—at ratios suited for both bioactive and flavor-centric applications. Each batch undergoes full-spectrum HPLC to check not just the headline theaflavin content but the breakdown of sub-fractions requested by food scientists and pharmaceutical formulators.
We run double filtration and dual-stage solvent removal, never cutting corners with one-size-fits-all batch parameters. No two harvests act the same in solvent but careful calibration yields a product with >95% theaflavins and less than 3% moisture year-round. From running on-site Karl Fischer titration to frequent calibration of our HPLC instruments with external standards, each technical step gets our full attention.
Labs can report theaflavin content in several ways. We rely on mass fraction with direct HPLC traceable standards, assigning labels not just by “total polyphenol” (which often counts inert or inactive compounds), but measuring each main polyphenol’s distinct band. Our Theaflavin 95% showcases narrow spectrum activity, confirming lot-to-lot that it contains predictable ratios of the four most relevant theaflavins without bulk polyphenols or high-tannin background.
Visual and sensory checks matter too: genuine theaflavins show a gold to amber tone with distinct astringency in water. Any shift towards brown-red hints at thermal degradation or excessive thearubigin carryover. Particle size runs from 80 to 120 mesh, confirmed by sieve—a detail often skipped by jobbers but crucial for uniform mixing in higher-end supplements and beverage applications.
Nutraceutical developers ask for controlled release and bioavailability. Beverage technologists need fast-dispersing powder with clear dissolution in both hot and cold systems. Food formulators expect minimal impairment of flavor when fortifying with higher polyphenol content. With dozens of test applications run in-house, and feedback from food science labs using our product, we know our theaflavin batches support consistent results—no unpredictable sediment and clean taste integration when dosed at standard levels.
Our batches see frequent use in ready-to-drink teas, specialty candies, functional chocolates, and tablet supplements. Shelf life remains steady due to low water activity and sealed packaging under inert gas. For export markets, we conduct accelerated aging studies to document impacts on theaflavin stability, acknowledging that international logistics cause temperature and humidity shocks.
Recent studies highlight the role of theaflavins in modulating oxidative stress, cholesterol metabolism, and oral health. Partners in the pharmaceutical sector tell us lot-to-lot fluctuations in polyphenol spectrum cause surprises at the development stage. We commit to keeping our HPLC fingerprints on file and share them with major researchers needing lot-matched raw materials for double-blind studies or consumer trials. No blend or filler is ever included in our flagship model.
We consult on formulation with long-term buyers, providing technical support ranging from recommended solubilization procedures to staggered addition during beverage manufacturing. Since no two end applications act the same, we run in-house test batches in water, ethanol, and common food matrices to document clarity, mouthfeel, and stability for major customer projects.
Many of our customers approach us after having tried generic “tea polyphenol” offerings or bulk catechin extracts. Catechins, found in higher concentrations in green tea, show significantly different antioxidant activity and flavor impact compared to theaflavins. Theaflavins emerge from the oxidation of catechins during black tea fermentation, resulting in a polymerized structure that persists better during processing but also generates subtler, longer-lasting antioxidant effects in the body according to peer-reviewed studies.
Other vendors blend extracts indiscriminately, listing “tea extract” on their specs. Our theaflavin concentrate draws a sharp line: every metric and batch code maps back to its oxidation curve, extraction time, and farm-level documentation. Buyers relying on bulk uncharacterized “polyphenol” may discover unpredictable flavor, stability, and bioactivity due to co-extraction of tannins, caffeine, and lower molecular weight compounds. By contrast, our customers report fewer batch-to-batch adjustments in functional ingredient manufacturing.
No chemical producer escapes the grind of scale-up. On paper, theaflavin extraction runs smoothly in bench reactors. Transitioning to full-scale production brings new headaches: solvent recirculation clogs, pH drift, and seasonal variation in leaf water content all conspire to throw off yields. Our factory teams log every step, correlating batch sintering, filtration times, and organoleptic results to refine the process.
Taking on humidity spikes in monsoon and the uneven quality of raw leaf after heavy rains, our operators stick with nitrogen-blanketed storage and rapid chilling of prodcution intermediates. Loss monitoring on theaflavin content during rotary evaporation and lyophilization also gets tracked daily. Consistency doesn’t come from equipment— it arrives through low staff turnover, hands-on training, and empowering every technician to spot and stop a process deviation before it reaches the packaging floor.
Running a chemical plant today means strict scrutiny from regulators and socially conscious buyers. Our solvent recovery setup operates in a closed cycle, bringing down emissions and maximizing input conversion. Resulting tea leaf biomass returns to agricultural partners as organic matter or gets routed to certified composting. Water sources face routine monitoring to avoid trace solvent and polyphenol leakage into adjacent agricultural zones.
Waste reduction drives not just compliance but daily culture here. We sample wastewater for trace organics and have invested in live effluent monitoring sensors. The our team values deeper traceability than any “green” certification label, and end buyers review our full set of environmental audit papers before building sourcing partnerships lasting years rather than a few sale cycles.
Plenty of new players jump into theaflavin extraction, only to walk away after disappointing market response and regulatory headaches. Product recalls often trace back to missing documentation, incomplete contaminant screening, or high residual solvent levels. Our solution has always hinged on transparency built into every production order. Each drum includes a QR-linked data pack with batch HPLC, heavy metal analysis, solvent residual certificates, and farm origin.
We offer split-lot shipments for R&D teams and larger orders with staggered production to match precise delivery schedules. For new brands in functional foods and supplements, we run pilot sample orders and freely share both typical blending ratios and critical limit data for common product matrixes. Technology partners are welcome on-site to watch their actual order running on our lines and inspect QA records in person.
Persistent dialogue with end users, not just quarterly sales reports, shapes everything from our manufacturing parameters to packaging innovations. If a customer catches a consistency issue, we shut down that line for a full root-cause assessment—no “good enough” batches slip into distribution.
Increasing demand for label-friendly, well-documented, single-ingredient extracts puts theaflavins on the map for new product launches in both Asia and Western markets. Our team follows published developments in the fields of metabolic syndrome intervention, oral health, and innovative beverage applications. Researchers are delving deeper into the differential effects between theaflavins and other polyphenols, driving requests for fractionated products and custom specification lots. We work to keep our analytical methods current with emerging standards and collaborate with institutional partners testing theaflavin blends in new clinical endpoints.
Supply chain transparency continues to matter. Real-world events, from late monsoons reducing leaf quality to abrupt export bans and container hotspots, reshape planning on a rolling basis. We buffer risk by building long-term contracts with growers and running staggered production so that no customer faces a surprise shortage or steep price jump.
We see a clear difference between bulk commodity-grade theaflavins—often a byproduct of the tea concentrate industry—and dedicated, fractionated extracts like our own. Rigorous source traceability, coupled with honest, down-to-earth batch documentation, matters to buyers chasing specific product claims or working toward rigorous approvals and certifications.
Certainty in polyphenol composition and absence of residual solvents or heavy metals mean fewer risks both at manufacturing and end-user level. This reduces the downstream headaches for supplement brands or beverage companies who deal with high scrutiny from regulators and picky consumers. Our theaflavins keep lot-to-lot differences to a minimum, making new formulation scale-up easier.
Our plant has spent decades making sure every batch reflects the daily discipline and technical know-how accumulated from years in the industry. Behind every kilogram shipped stands a team tracking details that never show up on a standard product sheet—small adjustments, deeper partnerships with suppliers, and quality checks that catch issues before they make it to our customers. This approach keeps our theaflavins trusted by technical buyers and helps push both nutritional science and good business forward with transparency and consistency.
