If you're developing a product containing ginkgo biloba extract, you likely face a critical decision: choosing between a 24%/6% standardized extract or one with a different ratio. This choice impacts not only your cost structure but also the final efficacy and market positioning of your product.
As a leading Ginkgo biloba extract manufacturer and supplier, we are often asked: "What does 24/6 standardization really mean, and why is it more significant than a simple ratio?" Today, we'll move beyond the surface numbers and provide a deep dive into this question from a production perspective.
Understanding Standardization: More Than Just Numbers
The standardization of Ginkgo biloba extract typically refers to the specified levels of two key classes of active constituents: flavonol glycosides and terpene lactones (including ginkgolides A, B, C, and bilobalide). The "24%/6%" designation means the extract contains no less than 24% flavonol glycosides and no less than 6% terpene lactones.
A common misconception needs clarification: these figures do not represent the total content of these compounds in the extract but are the minimum guaranteed levels achieved through precise standardization. In actual production, quality control often results in contents slightly above these benchmarks.
The Production Perspective: How 24/6 Standardization is Achieved
Achieving precise 24/6 standardization is a multi-step, complex process:
Raw Material Sourcing: We select premium leaves from certified Ginkgo plantations, ensuring consistency and purity from the very beginning.
Extraction Process: An optimized water-alcohol extraction is employed, with carefully controlled temperature, time, and solvent ratios to maximize the yield of target compounds.
Enrichment and Purification: Technologies like chromatography are used to selectively concentrate the desired actives while removing unwanted compounds, such as ginkgolic acids (which must be controlled below 5 ppm).
The Standardization Step: This is the most critical phase. We use advanced analytical instruments (like HPLC) to monitor intermediate products, adjusting process parameters or blending different batches as needed to ensure every lot meets the 24/6 standard consistently.
Quality Verification: Each batch undergoes rigorous testing to verify active content, heavy metals, microbiological counts, and pesticide residues.
Different standardization ratios (e.g., 24/6, 26/7, or lower ratios) are achieved primarily by adjusting the degree of enrichment and blending various extraction batches. Higher-ratio extracts typically require more complex purification steps, directly impacting production costs.
Active Constituent Profile: 24/6 vs. Other Ratios
Beyond the total percentages, the distribution profile of the active constituents is equally important. In a high-quality 24/6 standardized extract:
Flavonol Glycosides: Primarily include derivatives of quercetin, kaempferol, and isorhamnetin, typically present in a specific, consistent range.
Terpene Lactones: Ginkgolides A, B, C, and bilobalide should be present in a relatively balanced ratio, not skewed heavily toward one component.
A lower-ratio standardization (e.g., 6% total flavonol glycosides) often indicates:
A less enriched extract
A higher proportion of "matrix" components (polysaccharides, proteins, etc.)
A larger quantity of extract is needed per dose to deliver the same amount of active constituents
Key Formulation Considerations
1. Cost-Effectiveness Analysis
While the per-kilogram price of a 24/6 standardized extract may be higher than a lower-ratio product, it is often more economical when calculated based on cost per unit of active ingredient. For example, to deliver the same amount of flavonol glycosides, using a 6% standardized extract requires four times the quantity of a 24% extract. This can lead to:
Higher total formulation cost
Larger capsule or tablet sizes
Potential taste challenges in liquid formulations
2. Supporting Efficacy Claims
Different standardization levels support different health claims:
24/6 Standardization: Backed by the most extensive body of clinical research, commonly used for cognitive health, circulation, and antioxidant products.
Lower Ratios: May be more suitable for general wellness products or formulations where Ginkgo is part of a broader blend.
Clinical studies often use specific standardized extracts (like EGb 761®, standardized to 24/6), so using a matching standardization level better supports "clinically studied" marketing claims.
3. Dosage Form Compatibility
Capsules & Tablets: Highly standardized extracts (24/6) are easier to formulate due to their smaller required mass.
Liquids & Gummies: Lower-ratio extracts, used in larger amounts, can affect texture or stability, requiring more formulation adjustments.
Topical Cosmetics: Typically use lower concentrations but may have specific requirements for certain actives.
Why Choose Beton as Your Ginkgo Biloba Extract Supplier?
At Beton, we are more than just a Ginkgo biloba extract manufacturer-we are a full-chain partner from seed to solution.
Our Unique Advantages:
Vertically Integrated Supply Chain: We directly control every step from cultivation to final extract production, ensuring quality and traceability.
Production Precision: Our manufacturing processes are designed for precise standardization, with minimal batch-to-batch variation, providing a consistent foundation for your products.
Scaled Efficiencies: Advanced facilities and optimized processes increase yield, shorten production times, and maintain the highest quality standards.
Formulation Support: Our technical team provides tailored advice for your specific application, be it capsules, tablets, liquids, or functional foods.
Global Supply Chain Security: Multi-regional production and warehousing capabilities ensure your supply is resilient.
Selecting the right Ginkgo biloba extract standardization is a multi-factorial decision requiring a balance of efficacy goals, cost constraints, and formulation requirements.
Recommended Next Steps:
Define Your Product Goal: Is it a clinically-positioned cognitive support product or a general wellness supplement?
Calculate True Cost: Analyze costs based on price per unit of active ingredient, not per kilogram of extract.
Consider Formulation Limits: What are the mass/volume constraints of your chosen dosage form?
Consult a Professional Manufacturing Partner: Discuss your specific needs with us.
As a global leader in plant-based functional ingredients, we offer a full range of products from 24/6 standardized bulk Ginkgo biloba extract to custom-ratio solutions. Our technical team can help you select the optimal standardization level for your product and provide formulation support to ensure your product's success in the market.
Ready to optimize your Ginkgo biloba product? Contact our technical consulting team today for personalized advice and samples.
References:
World Health Organization. "WHO Monographs on Selected Medicinal Plants - Volume 1: Ginkgo folium." 1999.
European Medicines Agency. "Assessment report on Ginkgo biloba L., folium." 2014.
Upton, R., et al. "American Herbal Pharmacopoeia: Ginkgo Leaf." 2016.
DeFeudis, F.V. "Ginkgo biloba Extract (EGb 761): From Chemistry to the Clinic." Ullstein Medical, 1998.
Note: Specific product information and technical details mentioned are based on Beton's proprietary knowledge and industry-standard practices. Final product specifications may vary based on region and regulatory requirements.
