Stevia technical specifications generally require a minimum of 95% total steviol glycosides, a sweetness intensity of 200 to 300 times that of sucrose, and a maximum loss on drying of 4.0% to 6.0%.
Physical and Chemical Properties
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- Appearance: White to off-white fine powder or granular form.
- Assay / Purity: Total steviol glycosides ≥ 95% (often Reb A 97% or higher on a dry basis).
- pH Value: 4.5 to 7.0 (for a 0.1% or 1% solution in water).
- Loss on Drying: ≤ 4.0% – 6.0% max.
- Ash Content: ≤ 1.0% max. [
Heavy Metals and Contaminants
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- Lead (Pb): < 1.0 ppm.
- Arsenic (As): < 1.0 ppm.
- Cadmium (Cd): < 1.0 ppm.
- Mercury (Hg): < 1.0 ppm.
Handling and Storage
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- Shelf Life: 3 years from the date of manufacture when kept unopened.
- Storage Conditions: Store in a cool, dry place away from direct light, intense heat, and high humidity.
Recenzije
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