TABLE 1.
Assays | Herbal Teas | BHT | |
---|---|---|---|
Hibiscus | Ginger | ||
Extract yield (g/100 g) | 18.41 ± 0.55b | 10.22 ± 0.51a | ‐‐‐ |
TPC (mg/g of dry plant material, measured as gallic acid equivalent) | 5.82 ± 0.33b | 1.45 ± 0.08a | ‐‐‐ |
TFC (mg/g of dry plant material, measured as catechin equivalent) | 9.17 ± 0.90b | 1.95 ± 0.13a | ‐‐‐ |
DPPH radical scavenging activity (%) exhibited by 10 µg/ml | 59.0 ± 2.0b | 53.4 ± 1.4a | 89.1 ± 2.2c |
Values are mean ± SD of three independent experiments.
Different superscript letters in the same row represent significant (p ≤ .05) difference among hibiscus, ginger teas, and synthetic antioxidant (BHT).