Table 2 Mean concentration of PTEs (mg/kg) in traditional and industrial vegetable oils samples (n = 40)

Olive

Traditional

0.060 ± 0.022

0.005 ± 0.002

8.928 ± 0.913

0.014 ± 0.004

3.756 ± 0.538

Industrial

0.113 ± 0.028

.007 ± 0.002

11.739 ± 2.147

0.016 ± 0.002

3.644 ± 0.458

P-value

< 0.001

0.045

< 0.001

0.119

0.544

Sunflower

Traditional

0.052 ± 0.032

0.011 ± 0.006

2.195 ± 1.226

0.011 ± 0.003

2.102 ± 0.654

Industrial

0.053 ± 0.021

0.010 ± 0.004

0.097 ± 0.028

0.016 ± 0.003

3.551 ± 0.542

P-value

0.946

0.827

< 0.001

< 0.001

< 0.001

Sesame

Traditional

0.064 ± 0.037

0.009 ± 0.004

15.091 ± 1.182

0.009 ± 0.004

3.192 ± 2.143

Industrial

0.091 ± 0.033

0.009 ± 0.003

23.664 ± 2.698

0.013 ± 0.002

6.299 ± 0.974

P-value

0.043

0.603

< 0.001

< 0.001

< 0.001

Peanut

Traditional

0.005 ± .003

0.006 ± .002

5.655 ± 1.477

0.025 ± 0.035

2.863 ± 1.977

Industrial

0.089 ± .038

0.009 ± .002

11.323 ± 1.726

0.027 ± .045

8.835 ± 1.346

P-value

< 0.001

 < 0.001

< 0.001

0.889

< 0.001

Total

Traditional

0.046 ± .035

0.008 ± 0.004

7.967 ± 4.937

0.015 ± 0.018

2.978 ± 1.598

Industrial

0.086 ± .037

0.009 ± 0.003

11.706 ± 8.613

0.018 ± 0.023

5.582 ± 2.366

P-value

< 0.001

0.172

0.004

0.370

< 0.001

P-value

Type

< 0.001

0.124

< 0.001

0.356

< 0.001

Oil

< 0.001

< 0.001

< 0.001

0.019

< 0.001

Type × Source

0.201

0.078

0.389

0.985

0.113