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- Stander, Maria A., et al. Show all 3 Authors
- Subtropical plant science 2019 v.76 pp. 39-43
- Aspalathus linearis; Cyclopia genistoides; Cyclopia intermedia; Cyclopia subternata; caffeine; detection limit; herbal tea; ions; liquid chromatography; mass spectrometry; reference standards
- ... Two endemic South African herbal teas, namely rooibos (Aspalathus linearis) and honeybush (Cyclopia spp.), are especially valued for their caffeine-free status. No recent evidence based on state-of-the-art analytical methodology with low limits of detection (e.g. below 1 μg/L) is available. The current study provides such evidence. Randomly selected samples of fermented rooibos (n = 10) and honeyb ...