Characterization of sterolic and alcoholic fractions of some Algerian olive oils according to the variety and ripening stage | OCL

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Table 3

Alcoholic composition (mg eicosanol/kg oil) of Aghenfas, Buichret, Chemlal and Mekki virgin olive oils during the maturity stage.

	End Sep	Mid-Oct	End Oct	Mid-Nov	End Nov	Mid-Dec	End Dec	Mid-Jan
C22
Chemlal	9.5 ± 1.5^a	15.5 ± 2.5^b	17.8 ± 2.4^b	23.7 ± 0.8^c	17.9 ± 1.5^b	16.5 ± 1.7^b	15.0 ± 2.1^b	15.1 ± 3^b
Aghenfas	6.3 ± 0.4^e	5.5 ± 0.8^d	4.9 ± 0.2^d	2.8 ± 0.6^c	1.8 ± 0.4^b	0.9 ± 0.4^a	1.9 ± 1.1^b	1.11 ± 0.3^a
Buichret	16.3 ± 2.2^a,b	11.9 ± 2.0^a	16.0 ± 1.6^a,b	22.3 ± 1.8^b	21.1 ± 1.2^b	10.6 ± 1.5^a	9.5 ± 1.0^a	13.5 ± 1.2^a,b
Mekki	22.7 ± 1.7^c	28.8 ± 2.1^d	27.1 ± 1.9^d	33.0 ± 3.3^e	15.8 ± 1.2^b	5.5 ± 0.8^a	4.7 ± 1.4^a	3.5 ± 0.9^a
C23
Chemlal	5.1 ± 0.1^e	4.2 ± 0.1^c	1.9 ± 0.0^a	3.7 ± 0.0^b	5.8 ± 0.3^f	2.1 ± 0.1^a	2.1 ± 0.0^a	4.6 ± 0.0^d
Aghenfas	9.4 ± 0.1^d	5.5 ± 0.5^c,d	4.9 ± 0.1^c	5.7 ± 0.4^c,d	5.3 ± 0.6^c	1.9 ± 0.1^b	1.9 ± 0.1^b	1.1 ± 0.0^a
Buichret	5.6 ± 0.2^b	2.1 ± 0.0^a	3.62 ± 0.1^a,b	5.1 ± 0.7^b	5.3 ± 0.4^b	3.5 ± 0.3^a,b	3.1 ± 0.4^a,b	2.5 ± 0.0^a
Mekki	8.2 ± 1.1^d	7.1 ± 0.1^c	6.3 ± 0.2^c	7.1 ± 0.7^c	4.7 ± 0.2^b	2.3 ± 0.1^a	1.7 ± 0.1^a	1.7 ± 0.2^a
C24
Chemlal	29.3 ± 2.7^b	31.5 ± 2.6^b	38.2 ± 2.9^c	42.5 ± 1.7^d	32.8 ± 2.2^b	25.1 ± 2.1^a	23.4 ± 1.9^a	23.1 ± 2.1^a
Aghenfas	94.3 ± 2.9^f	76.4 ± 2.4^e	62.5 ± 3.0^c	69.5 ± 3.3^d	54.1 ± 2.9^b	16.1 ± 0.8^a	17.0 ± 1.0^a	18.8 ± 1.9^a
Buichret	65.1 ± 3.8^d	45.1 ± 4.4^c	31.2 ± 3.4^a,b	30.4 ± 3.0^a,b	34.1 ± 1.5^a,b	29.1 ± 2.9^a	37.0 ± 1.6^b,c	25.1 ± 1.9^a
Mekki	44.8 ± 3.8^c	34.1 ± 2.5^b	26.1 ± 2.5^a	44.3 ± 3.8^c	37.4 ± 1.5^b,c	34.6 ± 1.8^b	32.6 ± 1.6^b	37.2 ± 2.3^b,c
C25
Chemlal	9.6 ± 1.5^b	8.3 ± 1.2^b	3.7 ± 0.2^a	5.0 ± 1.1^a,b	4.7 ± 0.8^a	3.1 ± 1.0^a	3.7 ± 0.6^a	3.6 ± 0.4^a
Aghenfas	31.5 ± 1.4^c	33.0 ± 1.6^c	32.2 ± 1.8^c	48.6 ± 2.5^e	37.6 ± 2.1^d	20.3 ± 1.2^b	15.2 ± 1.0^a	15.4 ± 0.8^a
Buichret	27.2 ± 2.7^c	14.3 ± 1.7^a,b	12.5 ± 1.0^a	14.3 ± 1.3^a,b	11.1 ± 1.6^a	13.8 ± 1.4^a	15.3 ± 1.2^a,b	18.0 ± 1.4^b,c
Mekki	29.3 ± 2.7^c	31.4 ± 2.1^c	17.5 ± 1.8^b,c	15.4 ± 1.9^b	12.4 ± 1.4^b	6.1 ± 1.2^a	4.8 ± 1.4^a	5.5 ± 1.2^a
C26
Chemlal	122.4 ± 5.6^e	94.3 ± 4.3^d	69.4 ± 2.3^c	57.8 ± 3.0^b	31.5 ± 2.8^a,b	31.3 ± 1.9^a,b	26.5 ± 2.2^a	23.7 ± 1.2^a
Aghenfas	113.4 ± 5.0^f	89.1 ± 3.9^e	61.3 ± 2.3^d	63.7 ± 1.5^d	43.3 ± 0.8^c	17.5 ± 1.8^a	16.9 ± 1.5^a	26.5 ± 1.3^b
Buichret	116.5 ± 8.0^d	56.2 ± 2.0^c	34.5 ± 1.7^b	25.1 ± 2.8^a	34.3 ± 1.7^b	38.3 ± 2.6^b	39.8 ± 2.9^b	40.5 ± 3.0^b
Mekki	138.0 ± 6.7^f	121.8 ± 7.6^e	99.4 ± 5.3^d	91.7 ± 5.9^d	66.2 ± 3.8^c	34.5 ± 3.1^b	21.4 ± 2.4^a	20.2 ± 2.3^a
C27
Chemlal	5.3 ± 0.2^d	6.3 ± 0.6^e	3.1 ± 0.1^c	3.4 ± 0.2^c	2.3 ± 0.1^b	2.6 ± 0.3^b	0.5 ± 0.0^a	0.8 ± 0.0^a
Aghenfas	9.4 ± 0.1^f	8.3 ± 0.0^e	7.4 ± 0.1^d	8.6 ± 0.5^e	3.1 ± 0.1^b	1.9 ± 0.1^a	2.8 ± 0.0^b	4.4 ± 0.1^c
Buichret	8.8 ± 0.2^d	7.5 ± 0.5^c	5.2 ± 0.1^b	4.0 ± 0.1^a	3.7 ± 0.1^a	5.2 ± 0.6^b	8.5 ± 0.4^d	9.3 ± 0.2^e
Mekki	9.1 ± 0.1^g	8.0 ± 0.2^f	6.4 ± 0.1^e	4.5 ± 0.1^d	3.3 ± 0.5^c	2.1 ± 0.1^b	1.1 ± 0.1^a	1.4 ± 0.0^a
C28
Chemlal	56.7 ± 1.4^f	52.7 ± 1.7^e	37.5 ± 2.2^d	28.6 ± 1.4^c	15.3 ± 0.7^a	18.3 ± 1.5^b	13.8 ± 0.9^a	11.4 ± 0.9^a
Aghenfas	38.1 ± 1.7^b	48.5 ± 2.1^c	64.1 ± 3.7^e	80.5 ± 4.2^f	54.6 ± 2.6^d	31.1 ± 1.8^a	30.2 ± 2.0^a	29.8 ± 1.7^a
Buichret	44.1 ± 3.7^c	24.5 ± 2.3^b	11.5 ± 1.0^a	11.6 ± 1.9^a	23.2 ± 2.0^b	15.0 ± 1.8^a	13.7 ± 1.5^a	15.6 ± 1.0^a,b
Mekki	47.9 ± 3.6^b,c	83.8 ± 3.6^d	64.7 ± 4.1^c	43.7 ± 3.3^b	42.2 ± 3.0^b	18.2 ± 1.4^a	15.1 ± 1.5^a	15.7 ± 1.5^a
Total alcohol
Chemlal	238.1 ± 13.2^d	212.8 ± 12.8^c	171.7 ± 10.1^b	164.8 ± 8.2^b	110.4 ± 8.5^a,b	99.1 ± 5.5^a	85.1 ± 7.8^a	82.3 ± 9.8^a
Aghenfas	302.6 ± 11.7^e	266.4 ± 11.3^d	237.4 ± 11.0^c	279.4 ± 8.1^d	199.9 ± 7.7^b	89.7 ± 6.3^a	86.0 ± 3.6^a	97.1 ± 6.1^a
Buichret	283.6 ± 4.9^c	161.6 ± 12.8^b	114.6 ± 8.9^a	112.9 ± 8.4^a	132.9 ± 8.5^a,b	115.7 ± 10.5^a	127.0 ± 9.1^a	124.6 ± 8.7^a
Mekki	300.2 ± 11.9^b,d	315.1 ± 18.2^d	247.6 ± 15.5^c	239.9 ± 15.2^c	182.1 ± 11.2^b	103.3 ± 8.3^a	81.4 ± 8.5^a	85.2 ± 8.5^a

^a,b,c,d Values with the same letter in the same line are not significantly different at a 95% confidence level (P ≤ 0.05).

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