Stevia

When sourcing Stevia, the most critical factor is the Rebaudioside content (Reb A, Reb M, or Reb D). Reb A 97% or 98% is the industry standard for high sweetness with minimal bitter aftertaste. You must also verify the Total Steviol Glycosides (TSG) content, which should typically be ≥95% to meet international food standards. Additionally, check the mesh size (particle size) to ensure it matches your production needs, whether you require fine powder for instant drinks or granular forms for tabletop sweeteners.

To ensure product safety and legal entry into your market, the supplier must provide JECFA (Joint FAO/WHO Expert Committee on Food Additives) compliance documents. For the US market, FDA GRAS (Generally Recognized as Safe) notification is essential. For the EU, ensure the product meets EFSA (European Food Safety Authority) specifications under code E960. Furthermore, global buyers should prioritize suppliers with ISO 22000 or FSSC 22000 food safety management certifications, as well as Halal and Kosher certifications for broader market reach.

Beyond chemical analysis, conduct a sensory evaluation (blind taste test) in a 5% sucrose-equivalent solution to detect any lingering bitterness or metallic aftertaste. Request a Certificate of Analysis (COA) for every batch to check for heavy metals (Lead <1ppm, Arsenic <1ppm) and microbiological limits (Total Plate Count <1000 cfu/g). High-purity Stevia should be white to light yellow in appearance and freely soluble in water.

Stevia is categorized by its application: Enzyme-treated Stevia (Glucosyl Steviol Glycosides) is preferred for masking off-notes and providing a taste profile closer to sugar. Reb M and Reb D are premium grades used in zero-calorie carbonated soft drinks due to their superior flavor profile. For pharmaceutical applications, ensure the product meets USP (United States Pharmacopeia) or EP (European Pharmacopoeia) standards for excipient purity.

The primary risk is adulteration or 'label claim' fraud, where lower-grade Stevia is sold as high-purity Reb A. To mitigate this, use third-party inspection services (like SGS or Intertek) to pull samples directly from the warehouse before shipment. Another risk is moisture damage during transit; ensure the supplier uses double-layer PE bags inside fiber drums with desiccant packs to maintain a moisture level of <5%.

Stevia pricing is volatile based on leaf harvest cycles. Negotiate volume-based pricing tiers, aiming for a 10-15% discount on annual contracts compared to spot purchases. Request FOB (Free On Board) terms to maintain control over your freight costs, and always utilize Secured Trading services on the platform to ensure payment is only released after the shipping documents and COA are verified.

Stevia is a high-value, low-volume powder, making it sensitive to customs scrutiny regarding 'white powder' substances. Ensure the HS Code (typically 2938.90 or 3824.99) is accurately declared. Provide a clear Material Safety Data Sheet (MSDS) and a Non-DG (Non-Dangerous Goods) certificate to avoid shipping delays. For urgent R&D needs, use air freight with temperature-controlled packaging to prevent degradation in extreme heat.