Table 2 Organoleptic and physicochemical properties of essential oils of Pistacia lentiscus, Juniperis phoenicea, and Eucalyptus globulus obtained by hydro-distillation extraction.

From: Phytochemical characterization of forest leaves extracts and application to control apple postharvest diseases

Proprieties

Plant leaves origin

P-valueb

Eucalyptus globulus

Pistacia lentiscus

Juniperus phoenicea

Organoleptic

    

 Aspect

Liquid

Liquid and limpid

Liquid

nd

 Color

Yellow, green

dark yellow

Very light yellow

nd

 Smell

Fresh

strong, spicy flavor

strong

nd

Physicochemical

    

 pH

4.26 ± 0.021a

4.29 ± 0.011

4.28 ± 0.010

 ≥ 0.05

 Density (g/cm3)

0.879 ± 0.005

0.877 ± 0.005

0.834 ± 0.002

 ≥ 0.05

 Refractive index

1.468 ± 0.005

1.469 ± 0.002

1.479 ± 0.003

 ≥ 0.05

 Acid index (mgKOH/g)

2.84 ± 0.002

1.87 ± 0.005

1.23 ± 0.010

 < 0.01

 Yield (%)

3.14 ± 0.04

0.1 9 ± 0.08

0.58 ± 0.17

 < 0.01

  1. Means ± standard error; aTukey’s Test; the values followed by the various superscripts differ significantly at P ≤ 0.05; bProbabilities associated with individual F tests; nd: not determined; the data are the average of 3 samples of each essential oil per replicate (with 3 replicates).
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