Triacylglycerols Composition and Volatile Compounds of Virgin Olive Oil from Chemlali Cultivar: Comparison among Different Planting Densities

Table 1

Quality parameters of Chemlali olive oil samples from the four planting densities.

	156 trees ha^−1	100 trees ha^−1	69 trees ha^−1	51 trees ha^−1
Acidity (%C18 : 1)	0.60 ± 0.06b	0.72 ± 0.10c	0.62 ± 0.03b	0.48 ± 0.12a
PV (meq O2/Kg oil)	4.0 ± 2.00a	5.0 ± 1.00a	6.0 ± 1.15a	8.0 ± 0.58b
^K232	2.40 ± 0.18a	2.50 ± 0.09a	2.10 ± 0.07a	2.32 ± 0.08a
^K270	0.21 ± 0.01b	0.23 ± 0.09b	0.13 ± 0.08a	0.13 ± 0.01a

^a–dMean ± SD, significant differences within the same row are shown by different letters (𝑃<0.001).
PV: peroxide value; K₂₃₂ and K₂₇₀: values of specific extinction given as absorbance at 232 and 270 nm, respectively.