Table 3.
Antioxidant activity of synthesized product with DPPH method.
| Sample | IC50 |
|---|---|
| D. aromatica oil | 4293 ppm |
| D. aromatica crystals | 16,819 ppm |
| Camphor crystals | >20,000 ppm |
| Product 1 | >250 ppm |
| Product 2 | 6.93 ppm |
| Product 3 | 8.8 ppm |
| Vitamin C | 4.72 ppm |
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