|
HS Code |
290223 |
| Chemical Name | Ginkgolide B |
| Cas Number | 15291-75-5 |
| Molecular Formula | C20H24O10 |
| Molecular Weight | 424.40 g/mol |
| Appearance | White to off-white powder |
| Solubility | Slightly soluble in water, soluble in ethanol and DMSO |
| Melting Point | 290-295°C |
| Purity | Typically ≥98% (HPLC) |
| Storage Temperature | Store at -20°C |
| Source | Extracted from Ginkgo biloba leaves |
| Iupac Name | 4,10-dihydroxy-5,13-dioxo-5,13-epoxy-11,14-dioxa-tricyclo[7.3.1.0²,⁷]trideca-1(12),2,4,6,8,10-hexaene-3-carboxylic acid |
| Synonyms | BN 52020, Terpenoid lactone |
| Usage | Pharmacological research, platelet-activating factor (PAF) receptor antagonist |
As an accredited Ginkgolide B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ginkgolide B is supplied in a 10 mg amber glass vial with a screw cap, clearly labeled with product information and safety warnings. |
| Shipping | Ginkgolide B is shipped in tightly sealed, chemical-resistant containers under cool, dry conditions to ensure stability and prevent degradation. Packaging complies with international regulations for non-hazardous chemicals. Proper labeling, cushioning, and documentation are included for safe transport and traceability, avoiding exposure to light, moisture, or excessive heat during shipping. |
| Storage | Ginkgolide B should be stored in a tightly sealed container, protected from light and moisture. It should be kept in a cool, dry place, ideally at 2-8°C (refrigerated). For long-term storage, it is recommended to store it at -20°C. Avoid exposure to heat, humidity, and strong oxidizing agents to maintain its stability and purity. |
Competitive Ginkgolide B prices that fit your budget—flexible terms and customized quotes for every order.
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Manufacturing Ginkgolide B has taught our team a few hard-earned lessons about quality, consistency, and responsibility. As a direct producer, we shape this product from raw ginkgo biloba leaves to isolated active compound. We do not dabble in vague promises; instead, we keep our eyes on the details, from every batch’s beginning to its finished form. No other ginkgo extract compound asks for such careful handling at every stage. The demand for Ginkgolide B in pharmaceuticals and research shows no sign of slowing, but meeting that demand with the same exacting standard each time is what sets the manufacturing process apart from those who simply package or rebrand.
From the start, we have produced Ginkgolide B in both powder and crystalline forms. Crystalline purity, often exceeding 98% by HPLC, does more than just pass paperwork. That level of purity reduces by-products, lowers risk of off-target effects in research, and satisfies clients who can tell the difference. Our standard lot sizes run from 100 grams to multi-kilogram scales, but every batch moves through the same processing train, from leaf inspection to solvent extraction, phase-separation, and careful chromatography. Getting Ginkgolide B to this caliber requires an insistence on freshly harvested ginkgo leaves, strict control of extraction temperature, and a disciplined approach to preventing cross-contamination.
We have chosen not to cut corners with excessive storage. Prolonged holding of even root “mother liquor” extracts in tanks leads to breakdown, so we schedule orders by harvest and extraction runs. This is not just a matter of pride; it ensures that our client labs and production partners can rely on active content and avoid surprises. For reference, our Ginkgolide B is supplied either in sealed glass containers under inert gas or for bulk contracts, in double-lined drums, always with new, food-grade linings for each shipment.
Anyone who has worked with general ginkgo biloba extracts has noticed how batch-to-batch variation affects studies and product performance. No two extracts ever contain the same balance of ginkgolides, flavone glycosides, and terpene lactones—not to mention the presence of unwanted ginkgolic acids. This is why, for those seeking true scientific control or reproducibility in pharmaceuticals, isolated Ginkgolide B stands apart.
Our production skips the unreliable step of mixing or blending whole extracts. After leaf sorting and micronization, we run multi-stage solvent extractions targeting optimal yield of Ginkgolide B while screening for common contaminants. Chromatographic isolation then separates Ginkgolide B from its molecular cousins—such as Ginkgolide A, C, and bilobalide—with analytical verification for each lot. This results in a single-active compound, free from other ginkgo actives, allowing precise measurement in R&D, clinical, or finished medicinal products.
The most frequent users of Ginkgolide B are pharmaceutical labs and universities focused on neurology, cardiovascular function, and inflammation research. The molecule’s well-documented role as a platelet-activating factor (PAF) antagonist, for example, creates demand among stroke and ischemia research groups. Decades of literature support its role in improving peripheral blood flow and neuroprotection, which is why so many new experimental drugs turn to Ginkgolide B for preclinical work.
From our end, we see two recurring patterns. First, research teams ask for a single, well-characterized lot to anchor their clinical trials. Variations in purity or chemical profile—seen too often in non-manufactured product—cloud trial results and force costly repeats. Second, formulators in finished dosage form manufacturing need bulk quantities with full traceability and regulatory documentation. Any inconsistency in the purity and residual solvent profiles signals supply chain risk for their finished drugs. Because of this, we invest into in-house analytical support, generating full COAs and keeping reference spectra on file for six years, ready for any audit or regulatory inquiry.
Anecdotally, smaller research groups will sometimes request customized particle sizes, or even specific salt forms. We have taken these cases on when research outcomes depend on optimized dissolution or delivery, such as for injectable formulations or nano-encapsulation work. The direct manufacturing advantage: adjustments can happen batch-by-batch, not years down the road.
Retailers, brokers, and white-label distributors can move products around the globe, but they rarely have input on upstream quality. As manufacturers, we decide on every batch’s beginning—what time of year to harvest, what farm to buy from, how dry the leaves must be at receipt. These choices directly affect yield, purity, and the final product’s hint of residual solvent profile. Traders cannot recreate these conditions.
Having our own extraction and separation facilities allows for direct troubleshooting. Some harvests arrive with slightly higher humidity; this changes the solvent ratio and extraction cycle time. We adjust, re-measure, and re-run columns if needed. Distributors usually adopt a “test-and-pass” approach, which cannot correct for issues beyond their control. By holding manufacturing “ownership” over every processing stage, we prevent problems from ever reaching our customers.
A couple of times per year, we see new suppliers enter the market with promises of “pharmaceutical grade” Ginkgolide B at surprisingly low cost. Closer investigation shows that these products rarely maintain high purity across every shipment, often overload on residual solvent, or—most concerning—contain traces of ginkgolic acids. For regulated markets, such contamination is a risk to product safety and patient health. Manufacturing our own Ginkgolide B with direct quality monitoring, rather than brokerage and resale, avoids these hazards.
Ginkgolide B stands apart within the world of natural extracts. Requests sometimes come in for Ginkgolide A, C, or bilobalide, but B draws the most serious pharmaceutical and scientific attention. As we have seen in production, Ginkgolide B’s unique three lactone ring structure and its ability to block PAF with much higher affinity fundamentally differentiates it from the other related compounds. Pharmaceutical development teams prefer it for trials in vascular, ischemic, and neuroinflammatory indications.
It would be tempting to treat all ginkgo actives as interchangeable. In practice, only Ginkgolide B holds demonstrated pharmacological utility at industry-acceptable purity and in quantities large enough for clinical work. The isolation process is more complicated, and yield lower per ton of leaves, but this is precisely what weeds out lower-quality suppliers. Those batching “whole extract” or incompletely separated material end up with unpredictable pharmacological activity. Direct isolation from early stage, with in-process analytics, is the only way we have found to guarantee batch consistency.
Every season brings a reminder of the basic fact: ginkgo leaves are living tissue, not standardized feedstock. Large swings in terpene lactone content—driven by regional climate, time of harvest, and even sunlight blend—mean that a batch made in early autumn differs in extractability from one made in late season. For pharmaceutical and research customers who rely on data integrity, these slight differences show up sharply in analytics and stability testing.
Over the years, we’ve learned to test leaves at intake using rapid spectroscopic methods, flag any deviation, and decide on blending before ever extracting. Most traders and resellers neither have this capability nor that patience. Sometimes a harvest produces less than 1/3 the expected Ginkgolide B per ton of raw leaf—our process optimization lets us share real-time updates with customers about likely batch size reductions or delivery delays.
One persistent challenge is the removal of ginkgolic acids. These compounds present real allergenic risk in consumer products, so we approach every batch with a double sequence of solvent displacement and then column cleanup. There is no shortcut. Most distributors do not explicitly test for these contaminants. We stake our manufacturing reputation on a zero-tolerance policy for these and document every step to regulatory standard.
Another technical challenge is scale. Producing gram-scale research lots can hide yield loss or minor process variations, but kilo-scale lots expose every flaw in method design. Solvent recovery, batch reproducibility, and column performance need to be reliable every run. In fact, we have rebuilt entire segments of our purification line to preserve Ginkgolide B integrity—upgrading to high-resistance glass contact parts, carefully managing flow rates, and checking for micro-leakage.
It often falls on us to bridge the gap between what research customers expect—perfect consistency, complete documentation, and material ready for formulation—and what nature and processing can actually deliver. Working through these issues, listening to feedback from labs and R&D teams, feeds directly into how we refine our own standards.
Traceability cannot be an afterthought. From seed to shipment, we keep batch records, harvest details, and analytical results. The reason? Each year, authorities tighten traceability rules for active pharmaceutical ingredients. More than once, regulators from major economies have asked for six years’ worth of batch data, origin traceability, and analytical spectra. We have those records, updated and available, because every kilogram of Ginkgolide B leaving our plant carries its own documented trail.
We also test for common solvents (such as ethanol, acetone, and dichloromethane residues) in every lot. Analytical labs routinely screen to below 10 ppm, and we archive samples from each batch to allow later retesting if new regulatory targets emerge. This is not just for paperwork—it is a reflection of our direct accountability for every molecule bearing our name.
Meeting evolving public health expectations not only means working to current standards, but anticipating future requirements. We have been ahead of the curve on eliminating suppliers with questionable pesticide or heavy metal histories and have set minimum standards for incoming raw leaf suppliers. Regular water, soil, and leaf samples are taken for outside testing, rather than relying on supplier declarations.
The last decade has seen a shift from basic plant extractions toward highly characterized, single compound ingredients. Ginkgolide B’s rising use in targeted medicine highlights this trend, and the requests we field now almost always demand more transparency and more science-driven data.
Where research had once asked for just 95% minimum purity, today teams expect full HPLC and NMR profiles, impurity mapping, and evidence of stability under various formulations. This evolution has changed how we manufacture—building an analytics lab matching top research institutions, maintaining stability chambers and degradation libraries, and ensuring that our technical staff can communicate results credibly to professional clients.
Sustainability has become more than a buzzword, because large-scale demand for Ginkgolide B places pressure on ginkgo forests and smallholder farmers in China and beyond. We have responded by running pilot projects for closed-loop leaf supply, issuing written purchase agreements with farmers that guarantee replanting, and supporting certification efforts to move toward sustainable ginkgo agroforestry. The direct connection to farm-level operations is only possible as manufacturers, not as middlemen or marketers.
On the technical front, researchers are developing new ways to deliver Ginkgolide B—ranging from liposomal encapsulation to injectable solutions. Each of these requires poly-phasic stability, finely milled material, or alternative salt forms. As a manufacturer, we’re in the position to collaborate on pilot runs or custom variants, drawing on real production data rather than mere theoretical spec sheets.
With the privileged position of making a pharmaceutical-grade compound comes a heavy sense of duty. Our teams do not simply pass along what the paperwork shows. They look for off-odors, slight changes in crystal form, or hints of off-spec behavior that might suggest trouble. We regularly halt batches that fall short, risking profit in favor of safety. In practice, this means holding and sometimes destroying material that could pass through other hands into the pipeline.
We also see to it that packaged material moves through temperature-controlled transit and storage. Heat and humidity break down Ginkgolide B, reducing its value in both research and finished supplements. Shipments to equatorial and desert regions go with extra insulation or cold packing, even when the customer contract does not demand this. These small process choices are motivated not by legal minimums, but by the real-world consequences for drug makers and researchers on the other end.
Every year, a few dramatic recall stories circulate in the industry—low-grade batches or contaminated lots making their way into consumer products. These events remind us of the direct linkage between true manufacturer discipline and patient safety. Consistent direct engagement with nitrogen or vacuum-sealed packaging, dedicated facility “zones,” and real-time tracking of temperature and humidity adds another layer of assurance for all downstream teams.
“Genuinely made” matters—because every milligram of Ginkgolide B brings with it a hidden story of farm practices, chemical insight, manufacturing discipline, and scientific validation. Years of actual production, dealing with the seasonality of plants, the challenges of purification, and the rigors of analytical documentation, have shaped our understanding and approach.
We do more than simply supply a chemical; we bridge the world of natural products and rigorous pharmaceutical development. The value of Ginkgolide B is not just in its potential to unlock new health insights or treatments, but in the trust our clients place in every delivery—from the first intake of ginkgo leaves to the labeled vial in their hands. Standing as the manufacturer, our name and reputation travel with every package. That underlying responsibility shapes every decision, every technical upgrade, and each new research collaboration. This is how Ginkgolide B, crafted with care and skill, continues to earn its standing in medicine and science.