Market
Beta-cyclodextrin (β-cyclodextrin) is a starch-derived cyclic oligosaccharide widely traded as a specialty complexing/encapsulation ingredient used to stabilize, solubilize, and mask flavors/odors in formulated products. Global commercial supply is manufactured industrially (not seasonally) and marketed by suppliers with production footprints in Europe and Asia, including Roquette (France), Wacker Chemie (Germany), and large-scale producers in China. Cross-border demand is driven by applications spanning food improvement (where permitted), pharmaceuticals (as an excipient), and other formulated goods, with buyers typically specifying purity and impurity limits. Market accessibility is strongly shaped by jurisdiction-specific regulatory status (e.g., EU E-number listing and conditions of use), making compliance documentation a central trade requirement.
Major Producing Countries- ChinaLarge-scale cyclodextrin manufacturing base; Shandong Binzhou Zhiyuan Biotechnology describes industrial production of cyclodextrin materials with stated 5,000+ tons annual comprehensive capacity across cyclodextrins.
- FranceRoquette (global HQ in Lille, France) markets beta-cyclodextrin (KLEPTOSE®) into multiple end-use sectors, indicating established European manufacturing and export-oriented supply.
- GermanyWacker Chemie AG (corporate HQ in Munich, Germany) markets food-grade beta-cyclodextrin (CAVAMAX® W7 FOOD), indicating established European industrial production and global distribution.
Specification
Physical Attributes- Non-reducing cyclic saccharide consisting of seven α-1,4-linked glucose units (β-cyclodextrin; cycloheptaamylose).
- White or almost white crystalline powder; typically neutral to virtually odourless.
- Host–guest inclusion capability via a hydrophobic cavity and hydrophilic exterior, supporting encapsulation/complexation of compatible molecules.
Compositional Metrics- CAS: 7585-39-9.
- Empirical formula: C42H70O35 (often expressed as (C6H10O5)7).
- Molecular weight: ~1135 g/mol.
- EU additive specification references minimum assay (anhydrous basis) and limits for water content, other cyclodextrins, and selected residual solvents/contaminants.
Grades- EU food additive listing: E459 (beta-cyclodextrin) with defined conditions of use.
- Food-grade beta-cyclodextrin offered by major global suppliers.
- Pharmaceutical excipient grades marketed for oral dosage forms (supplier-specific, often compendial positioning).
ProcessingForms inclusion complexes to stabilize, solubilize, or deliver hydrophobic/volatile actives; used for odor/flavor masking and functional delivery.Manufactured via enzymatic conversion of starch using cyclodextrin glycosyltransferase (CGTase), followed by purification/crystallization and drying.
Risks
Regulatory Compliance HighTrade and use are highly sensitive to jurisdiction-specific authorization and conditions of use. In the EU, beta-cyclodextrin is listed as E459 with defined restrictions (including specific permitted food uses and quantum satis conditions), so misalignment between product grade, intended use, and local law can trigger border holds, relabeling, recalls, or reformulation.Confirm additive status and permitted uses/limits in each destination market before contracting; align specifications, intended-use statements, and labeling with applicable regulations (e.g., EU Annex listings) and maintain robust compliance dossiers (COA, impurity profile, traceability).
Quality And Purity Specification MediumBuyer acceptance commonly depends on meeting purity/impurity limits (e.g., assay, water content/loss on drying, other cyclodextrins, and restricted residual solvents/contaminants referenced in additive specifications). Variability across suppliers or lots can cause qualification failures, especially for high-spec food or pharmaceutical applications.Use supplier qualification with audited QC methods; require lot-level COA against target specification, and implement incoming testing for critical parameters (assay, LOD/water, solvent residues where relevant).
Feedstock And Input Cost Volatility MediumBecause beta-cyclodextrin is produced from starch-derived intermediates and relies on enzymatic processing, shifts in agricultural raw material economics and industrial processing costs can affect availability and pricing, particularly for high-purity grades.Maintain dual sourcing across regions, negotiate index-linked contracts where appropriate, and keep safety stock for regulated formulations with long re-qualification timelines.
Sustainability- Starch-derived, renewable agricultural feedstock input; upstream sustainability is linked to agricultural raw-material sourcing and traceability.
- Formulation-enabled dose reduction of some actives may reduce overall formulation load in certain applications, but benefits are application-specific and buyer-dependent.
FAQ
What is beta-cyclodextrin used for in formulated food and ingredient applications?Beta-cyclodextrin is used as a complexing and encapsulating ingredient to stabilize and solubilize compatible hydrophobic compounds and to mask unpleasant odors or flavors. Suppliers market it for functions such as odor/flavor masking and molecular encapsulation, which can help protect sensitive ingredients and improve handling in formulations.
Is beta-cyclodextrin authorized as a food additive in the EU and UK?In the EU, beta-cyclodextrin is listed as the food additive E459 with defined conditions of use in EU legislation. In the UK, the Food Standards Agency lists E459 (beta-cyclodextrin) among approved additives and E-numbers; actual permitted uses still depend on the applicable rules and the specific food category.
How is beta-cyclodextrin produced industrially?Industrial production typically starts from partially hydrolysed starch and uses the enzyme cyclodextrin glycosyltransferase (CGTase) to form cyclic molecules. The resulting beta-cyclodextrin is then purified (often via crystallization steps) and dried into a powder for downstream use.