Table 11.
Rhein content, total phenolic content, antioxidant activity, anti-inflammatory activity and antibacterial activity against S. aureus of rhein-rich extract and its de-chlorophyll extracts.
| Samples | Rhein Content (mg/g Extract) |
Total Phenolic Content (mg GAE/g Extract) |
Scavenging Activity against DPPH, SC50 | FRAP Value (mg AAE/g Extract) |
Albumin Denaturation Activity, IC50 (mg/mL) | MIC (mg/mL) |
|---|---|---|---|---|---|---|
| Rhein-rich extract | 10.36 ± 0.27 e | 105.75 ± 0.97 c | 1.25 ± 0.12 mg/mL c,d | 112.35 ± 1.87 c | 1.81 ± 0.03 b | 0.625 |
| De-chlorophyll extract with various decolorizing agents | ||||||
| Palm oil | 1.50 ± 0.10 b | 107.30 ± 3.46 d | 1.17 ± 0.08 mg/mL c | 124.59 ± 1.96 d | 2.51 ± 0.04 d | 2.5 |
| Coconut oil | 1.42 ± 0.09 a | 120.43 ± 2.01 e | 1.01 ± 0.12 mg/mL b | 156.65 ± 3.57 e | 2.64 ± 0.03 e | 2.5 |
| Aluminum oxide | 7.98 ± 0.02 c | 27.26 ± 0.38 a | 1.43 ± 0.07 mg/mL d | 44.34 ± 1.58 b | 2.01 ± 0.05 c | 1.25 |
| Activated charcoal | 8.52 ± 0.08 d | 34.97 ± 5.91 b | 1.69 ± 0.10 mg/mL e | 38.29 ± 0.18 a | 1.94 ± 0.04 b, c | 1.25 |
| Ascorbic acid | n/a | n/a | 15.06 ± 0.37 µg/mL a | n/a | n/a | n/a |
| Diclofenac diethylamine | n/a | n/a | n/a | n/a | 1.04 ± 0.09 a | n/a |
| Neomycin sulfate | n/a | n/a | n/a | n/a | n/a | 0.0625 |
Values expressed as mean ± SD. Different letters in the same column represent statistically significant differences with a confidence interval of 95% (p < 0.05). n/a: not applicable.