Table 3 Physicochemical properties of Olive oil.

Acid value (mg KOH/g)

3.94 ± 0.06^b

2.87 ± 0.16^c

5.06 ± 0.15^a

Acidity (%)

1.99 ± 0.04^b

1.45 ± 0.05^c

2.53 ± 0.05^a

Peroxide value (mg O₂/kg)

6.80 ± 1.14^c

9.79 ± 0.92^b

14.60 ± 0.85^a

Saponification value(mg KOH/kg)

181.02 ± 27.14^c

191.28 ± 17.08^b

194.04 ± 4.54^a

Drying index

7.73 ± 0.11^a

7.40 ± 0.34^ab

7.20 ± 0.00^b

Refractive index

1.468 ± 0.002^a

1.462 ± 0.002^a

1.456 ± 0.002^a

Specific extinction K270

0.059 ± 0.008^b

0.076 ± 0.004^c

0.112 ± 0.030^a

Specific extinction K232

1.611 ± 0.08^c

2.078 ± 0.040^b

2.268 ± 0.01^a

Iodine value (g/100 g oil)

93.90 ± 1.11^a

85.90 ± 0.40^b

77.54 ± 0.57^c