Table 2: PV of oleic acid oxidation by singlet oxygen in the presence and absence of peppermint, marjoram, rosemary and sage.
|
Antioxidant |
PVa |
Total flavonoid (ppm) |
|
Without antioxidant |
508.37 |
- |
|
peppermint |
130.72 |
250 |
|
rosemary |
134.07 |
147 |
|
marjoram |
144.13 |
105 |
|
sage |
236.87 |
90 |
aOleic acid (4.6×10-3 M), 5cc solvent, antioxidant, photosensitizer (1×10-3 M), air (1atm) and 288 power LED lamps, 1 W, 2.3 V (59660 LUX).