Table 6 Bioactive compounds of Olive oil across irrigation methods.

From: Impact of diverse irrigation water sources on olive oil quality and its physicochemical, fatty acids, antioxidant, and antibacterial properties

Bioactive compounds

Treated wastewater

Normal water

Spring water

Total sterol content (mg/kg)

2800.56 ± 200.30a

2200.45 ± 170.12b

1900.32 ± 150.25c

α-Tocopherol (mg/kg)

180.25 ± 15.02a

120.75 ± 10.06b

90.50 ± 8.03c

β-Tocopherol (mg/kg)

1.02 ± 0.10a

0.82 ± 0.08b

0.75 ± 0.07b

γ-Tocopherol (mg/kg)

1.87 ± 0.18a

1.53 ± 0.15b

1.12 ± 0.11c

Squalene (mg/kg)

7500.80 ± 500.60a

5000.45 ± 400.30b

3000.75 ± 300.40c

Pheophytin-a (mg/kg)

0.43 ± 0.03a

0.25 ± 0.02b

0.12 ± 0.01c

Total carotenoids (mg/kg)

25.10 ± 2.45a

15.20 ± 1.50b

10.35 ± 1.02c

β-Carotene (mg/kg)

0.60 ± 0.05a

0.42 ± 0.04b

0.23 ± 0.02c

Lutein (mg/kg)

3.02 ± 0.28a

2.01 ± 0.20b

1.05 ± 0.10c

  1. Values are expressed as mean ± standard deviation (n = 3).
  2. a–cDifferent superscript letters represent significant differences within the row (p < 0.05).