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How is color controlled in Reb D final product?

Activated carbon treatment (0.5% w/v, 60°C for 30min) achieves APHA color ≤20. Hunter Lab values must show L* ≥85, a* -0.5 to +0.5, b* ≤5.0, measured against 10% aqueous solution with spectrophotometer at 420nm.

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This article was published on March 20, 2026, and last updated on March 20, 2026. The article will be continuously updated.