Shelf-Life Prediction of Extra Virgin Olive Oils Using an Empirical Model Based on Standard Quality Tests

Table 1

Summary of the complete list of quality analysis performed at the end of estimated shelf-life (118 samples).

Parameter	Number of samples failing AS 5264-2011	Percentage of samples failing AS 5264-2011	Average	Standard deviation	Median
FFA	1	0.8%	0.4	0.1	0.5
PV	0	0.0%	7.6	1.8	7.4
	0	0.0%	1.747	0.170	1.747
	2	1.7%	0.141	0.028	0.136
	0	0.0%	0.001	0.001	0.001
PPP	12	10.2%	13.9	2.4	13.8
DAGs	6	5.1%	44.6	8.3	41.7
Defects	10	8.5%	0.1	0.3	0.0
Fruitiness	0	0.0%	3.9	0.5	4.0
Bitterness	N/A	N/A	1.9	0.5	2.0
Pungency	N/A	N/A	2.5	0.6	2.5
Failure	22	18.6%

N/A: not applicable.