The calculator implements:
[ C = \fracA \times MW \times DF\varepsilon \times l ]
Where:
Imagine you run an HPLC analysis:
The Aspalathos Calculator computes: (450,000 / 500,000) = 0.9 0.9 × 10 mg/L = 9 9 / 0.2 g = 45 45 × (50 / 1000) = 45 × 0.05 = 2.25 mg/g aspalathos calculator
Result: This Rooibos sample contains 2.25 mg of Aspalathin per gram of dry leaf. (Typical range: Green Rooibos: 4–10 mg/g; Fermented Rooibos: <1 mg/g).
Rooibos tea is consumed worldwide, but unfermented (green) Rooibos contains up to 10× more aspalathin than fermented red Rooibos. Current HPLC methods are accurate but slow and expensive. The Aspalathos Calculator offers a first-pass approximation using Beer-Lambert law and pre-determined extinction coefficients (ε = 12,300 L·mol⁻¹·cm⁻¹ for aspalathin at 288 nm, pH 5.5). The calculator implements: [ C = \fracA \times
To understand the calculator, one must understand the name. Aspalathos was the ancient Greek name for the settlement that would eventually become the city of Split.
Historically, the name derived from the plant Aspalathos (often associated with the genus Cistus or similar shrubs), which grew abundantly on the surrounding hills. For a calculator bearing this name, the implication is clear: this is a tool rooted in the specific geography, tides, and logistics of the Split region. The Aspalathos Calculator computes: (450,000 / 500,000) = 0