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Table 1

Composition of Ayvalik olive oils with/without olive leaves at two different harvest times.

Parameter Early harvest Middle harvest Legal
Limits
  AD0 AD2 AD4 AD6 AK0 AK2 AK4 AK6 BD0 BD2 BD4 BD6 BK0 BK2 BK4 BK6  
Free Fatty Acid (% Oleic Acid) 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.54 0.54 0.53 0.54 0.54 0.54 0.53 0.54 ≤0.8
Peroxide Value (meq O2/kg) 5.01 4.97 4.75 5.70 5.01 4.97 4.75 5.70 5.32 5.33 5.44 5.22 5.32 5.33 5.44 5.22 ≤20
K232 1.21 1.55 1.20 1.23 1.21 1.55 1.20 1.23 1.37 1.38 1.38 1.41 1.37 1.38 1.38 1.41 ≤2.50
K270 0.06 0.08 0.07 0.08 0.06 0.08 0.07 0.08 0.06 0.08 0.08 0.09 0.06 0.08 0.08 0.09 ≤0.22
Fatty Acid Composition                                  
Miristic Acid C14:0 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 ≤0.03
Palmitic Acid C16:0 12.78 12.76 12.75 12.77 12.77 12.75 12.78 12.78 11.77 11.70 11.62 11.65 11.88 11.71 11.67 11.75 7.5-20.0
Palmitoleic Acid C16:1 0.57 0.61 0.62 0.60 0.61 0.61 0.61 0.61 0.54 0.52 0.50 0.52 0.55 0.51 0.51 0.53 0.3-3.5
Heptadecanoic Acid C17:0 0.14 0.13 0.14 0.14 0.14 0.14 0.12 0.13 0.12 0.14 0.14 0.15 0.15 0.15 0.14 0.14 ≤0.4
Heptadesenoic Acid C17:1 0.22 0.22 0.21 0.22 0.23 0.22 0.21 0.21 0.19 0.19 0.20 0.21 0.20 0.19 0.20 0.20 ≤0.6
Stearic Acid C18:0 2.34 2.31 2.33 2.33 2.36 2.32 2.31 2.33 3.01 3.00 3.01 3.04 2.99 2.99 3.01 3.02 0.5-5.0
Oleic Acid C18:1 74.18 74.35 74.20 74.14 74.01 74.24 74.26 74.20 72.56 72.46 72.82 72.82 72.40 72.42 72.83 72.78 55.0-83.0
Linoleic Acid C18:2 8.92 8.78 8.85 8.90 8.98 8.83 8.81 8.91 10.90 11.05 10.76 10.68 10.90 11.06 10.73 10.65 2.5-21.0
Linolenic Acid C18:3 0.39 0.41 0.42 0.43 0.42 0.41 0.41 0.41 0.43 0.47 0.47 0.46 0.45 0.46 0.43 0.47 ≤1.0
Arachidic Acid C20:0 0.29 0.28 0.30 0.30 0.30 0.30 0.30 0.28 0.29 0.30 0.30 0.29 0.28 0.30 0.28 0.27 ≤0.6
Behenic Acid C22:0 0.09 0.10 0.11 0.12 0.12 0.12 0.12 0.08 0.13 0.13 0.12 0.12 0.13 0.13 0.13 0.12 ≤0.3
Lignoseric Acid C24:0 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.06 0.05 0.04 0.05 0.06 0.05 0.06 0.05 0.06 ≤0.2

Results are presented as the average of two determinations.

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