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Table 4 Influence of ethephon at fruit set on agronomic indices of olives during ripening

From: Effect of ethephon application on the cellular maturity of Olea europaea L. and on the extractability of phenolic compounds in virgin olive oil

Parameter

Samples ethephon (N)

S1 (09/09)

S2 (21/09)

S3 (03/10)

S4 (14/10)

S5 (25/10)

Weight of 100 olives (g)

386 ± 9.2

391.5 ± 7.7

457.2 ± 5.7

481.8 ± 4.9

492.8 ± 3.7

Diameters (mm)

17 ± 1.2

17.1 ± 1.5

18.4 ± 0.9

19.1 ± 1.2

18.8 ± 1.3

Moisture content (%)

58.9 ± 0.8

56.4 ± 0.1

54.3 ± 0.2

53.2 ± 0.2

48.5 ± 0.2

Oil content of olives (g/100 g O.P)

4.3 ± 0.2

4.9 ± 0.5

8.6 ± 0.3

16.6 ± 0.5

26.6 ± 0.5

T.P content of olives (mg/g O.P)

75.2 ± 1.9

69.6 ± 1

58.8 ± 2.3

53.9 ± 1.5

59.1 ± 6.5

  1. Ethephon (N): treatment at fruit set; T.P total polyphenols, O.P olive pulp