Table 3. Acid value and peroxide value of carotenoid-enriched soybean oil
| Oil sample1) | Persimmon peel2) | Acid value (mg/g oil) | Peroxide value (meq/kg oil) |
| Control | | 0.06±0.053) | 9.67±2.36 |
| CESO | - | 0.02±0.03 | 10.67±1.25 |
| + | 0.07±0.03 | 9.67±1.70 |
Control, non-treated soybean oil; CESO, carotenoid-enriched soybean oil prepared from persimmon peels by ultrasonic extraction (62°C, 32 min, persimmon peel to oil ratio of 1:3.1).
treated without persimmon peels; +, treated with persimmon peels.
Values represent mean±SD (n=3).