Research Article

Quality and Trace Element Profile of Tunisian Olive Oils Obtained from Plants Irrigated with Treated Wastewater

Table 4

Concentration of elements (mg/kg) in olive oil samples analysed by ICP-MS.

Sample codeHarvesting modeWater regimeLiBNaMgAlKCaScCrMnFeCoNiCuZnSrMoBaLa
mg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kgmg/kg

K150From the treeTWW (alternate)0,0800,0000,20256,58616,3320,0000,8690,0110,1520,0583,7750,0600,0500,006133,3490,0140,0490,1850,074
K173From the treeTWW (continuous)0,0770,0000,30357,54316,4620,0001,2570,0130,1260,0593,6840,0590,0410,016134,7150,0140,0680,1790,075
K640From the treeCW0,0790,0530,53753,69014,7010,4311,3300,0130,1290,3313,5780,0590,0380,061131,8160,0200,0560,1770,071
K661From the treenot irrigated0,0790,0004,65450,29214,4023,9531,7530,0120,1070,1023,8820,0590,0370,076122,9800,0130,0380,1780,071
K151First fallTWW (alternate)0,0770,0790,42959,41417,7900,0001,4610,0130,1430,0724,2290,0630,0450,008134,2050,0150,0440,1910,063
K174First fallTWW (continuous)0,0780,1550,73855,68217,3670,0001,5820,0140,1390,0844,8040,0620,0290,019135,0660,0370,0410,1850,074
K644First fallCW0,0790,0005,79131,5388,9730,0000,9900,0180,1120,0614,0620,0600,0720,064141,0220,0160,0360,1760,077
K664First fallnot irrigated0,0840,0880,14355,67316,1600,0000,2140,0130,1270,0614,0710,0580,0450,07968,0140,0100,0400,1750,073
K152Second fallTWW (alternate)0,0800,0941,11057,45516,8795,4670,0000,0170,1330,0624,1360,0630,0350,003135,4140,0110,0480,1830,076
K175Second fallTWW (continuous)0,0770,0003,56859,91516,9470,0001,2870,0140,1410,0613,8760,0600,0480,022132,1730,0160,0410,1870,072
K648Second fallCW0,0290,0003,89861,49317,4270,0003,0000,0180,1210,0633,6890,0600,0340,067134,3670,0160,0470,1880,072
K668Second fallnot irrigated0,0730,0224,08959,96817,39751,2884,4610,0090,1600,0723,8830,0600,0650,082134,0620,0190,0450,1880,072
K153Third fallTWW (alternate)0,0220,0833,94360,04017,00324,2733,6740,0160,1280,0684,2280,0610,0620,010126,2570,0190,0420,1840,076
K176Third fallTWW (continuous)0,0530,32716,58661,28921,15915,6233,4090,0150,1140,0674,3490,0860,0590,025142,9770,0750,1570,2040,078
K652Third fallCW0,0210,1673,79357,97916,8590,0004,0750,0090,1670,0663,6300,0610,0340,070162,8940,0190,0420,1840,054
K672Third fallNot irrigated0,0220,1291,55563,34625,6250,0003,3440,0100,1600,0764,4110,0760,0610,085158,8170,0420,0510,2010,076
K154Forth fallTWW (alternate)0,0800,1434,62957,88717,23553,4182,5510,0380,1370,0724,1440,0590,0360,031124,8210,0230,0330,1900,072
K187Forth fallTWW (continuous)0,0220,0987,84661,74917,33798,0751,5360,0210,1460,0734,1040,0620,0440,028127,2820,0450,0480,1940,080
K656Forth fallCW0,0160,0902,64258,43118,0830,0001,8900,0210,1590,0664,1460,0600,0510,07395,3940,0150,0420,1850,070
K677Forth fallNot irrigated0,0750,0880,52361,10618,2440,0004,2680,0500,1600,06617,5960,0680,0460,088129,9390,0180,0430,1870,073