Assessment of Fluoride Intake Risk via Infusions of Commercial Leaf Teas Available in Poland Using the Target Hazard Quotient Index Approach.

Regarding titratable acidity, black teas had markedly higher values (median = 1.40 mM/L) compared to oolong (0.56 mM/L), green (0.80 mM/L), and white (0.64 mM/L) teas, with differences highly significant across all comparisons ( p < 0.001; Figure 1 B).

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Although numerical differences were observed—with black teas having slightly higher median Ca levels and fluoride concentrations—these variations did not reach statistical significance.

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