Table 5 Fatty acid composition 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

Fatty acid

Chemical formula

Treated wastewater

Normal water

Spring water

Butyric acid

C4:0

0.01 ± 0.001a

0.01 ± 0.001a

0.009 ± 0.001a

Myristic acid

C14:0

0.200 ± 0.002a

0.201 ± 0.002a

0.203 ± 0.002a

Heptadecanoic acid

C17:0

0.03 ± 0.001b

0.03 ± 0.002b

0.40 ± 0.002a

Octadecenoic acid

C18:1

0.12 ± 0.006b

0.16 ± 0.008a

0.05 ± 0.003c

Palmitic acid

C16:0

10.50 ± 0.52a

3.42 ± 0.17b

2.20 ± 0.11c

Stearic acid

C18:0

2.30 ± 0.11b

3.56 ± 0.17a

2.49 ± 0.12b

Palmitoleic acid

C16:1

0.81 ± 0.04c

3.21 ± 0.16b

6.45 ± 0.32a

Vaccenic acid

C18:1

0.10 ± 0.005b

1.83 ± 0.009a

0.14 ± 0.007b

Behenic acid

C22:0

0.10 ± 0.005a

0.1 ± 0.005a

0.11 ± 0.006a

Linolenic acid

C18:3

0.65 ± 0.03b

1.79 ± 0.09a

0.33 ± 0.01c

Arachidic acid

C20:0

0.37 ± 0.01b

2.01 ± 0.10a

0.21 ± 0.01c

Oleic acid

C18:1

62.6 ± 3.13a

50.37 ± 2.51b

60.26 ± 3.01a

Erucic acid

C22:1

0.05 ± 0.003a

0.03 ± 0.002a

0.04 ± 0.002a

Linoleic acid

C18:2

6.8 ± 0.34c

8.42 ± 0.42b

10.83 ± 0.54a

Eicosenoic acid

C20:1

0.04 ± 0.002b

0.26 ± 0.001a

0.05 ± 0.003b

Monounsaturated fatty acids

(MUFA)

73.25 ± 4.73b

70.12 ± 4.21b

75.45 ± 4.50a

Polyunsaturated fatty acids

(PUFA)

12.05 ± 1.21a

11.35 ± 1.13a

10.08 ± 1.01b

Diacylglycerols (%)

 

2.53 ± 0.27a

1.82 ± 0.18b

1.67 ± 0.17b

Monoacylglycerols (%)

 

0.3 ± 0.02a

0.25 ± 0.01b

0.20 ± 0.01b

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