Thaumatin

Thaumatin (CAS 53850-34-3), approved as E957, is a natural protein sweetener extracted from the West African katemfe fruit. FEMA 3732.

Where is Thaumatin used?

• Food and beverage: high-intensity sweetener at roughly 2,000 to 3,000 times the sweetness of sucrose by weight
• Flavor modification at very low use levels
• Bitter and astringent off-note masking from ingredients such as caffeine and steviol glycosides
• Confectionery, chewing gum and tabletop sweeteners: rounds out sweetness profiles without adding calories
• Pharmaceutical oral dosage forms such as tablets, syrups and lozenges: suppresses bitterness of active ingredients
• Oral hygiene products such as toothpaste and mouthwash improve flavor perception and mask functional additives.

Good to know: Pharmaceutical-grade material meeting additional purity requirements is available for oral healthcare and drug formulation use.

Commercial specifications

• Standardized to minimum 16% or higher protein content
• Food-grade specifications compliant with FEMA 3732
• Pharmaceutical grade meets additional purity requirements