Abstract
Different irrigation treatments were applied to a superintensive orchard of 'Arbequina' olives ( Olea europaea L.) during three seasons (2007-2009) to examine the effect of the amount of water and the moment of irrigation in summer on the virgin olive oil (VOO) quality. A control was made (CON) with irrigation to maintain the root zone close to field capacity; two water deficit treatments were employed with irrigation at 30% of CON, either from the end of fruit drop to the end of July (DI-J) or from the end of July until the beginning of oil synthesis (DI-A); and other treatment was tested by irrigating 50% of CON in July and August (DI-JA). DI-J oils exhibited significantly higher oxidative stability, which coincided with significantly higher contents in phenol derivatives. Consequently, the selection of the moment and intensity of summer irrigation played an important role in the nutritional and sensory quality of the VOO.
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Claims 2
Claim · model-written summary
Deficit irrigation at 30% of control from the end of fruit drop to the end of July (DI-J) significantly increased oxidative stability of Arbequina olive oil compared with the control.
- Taxon
- Olea europaea
Olea europaeae0 - Material
- Arbequinae0
- Treatment
- irrigation at 30% of CON, either from the end of fruit drop to the end of July (DI-J)e2
- Outcome
- oxidative stabilitye1
- Direction
- highere1
- Comparator
- A controle3
- Setting
- superintensive orcharde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different irrigation treatments were applied to a superintensive orchard of 'Arbequina' olives ( Olea europaea L.)”
e1“DI-J oils exhibited significantly higher oxidative stability”
e2“two water deficit treatments were employed with irrigation at 30% of CON, either from the end of fruit drop to the end of July (DI-J)”
e3“A control was made (CON)”
Claim · model-written summary
Deficit irrigation at 30% of control from the end of fruit drop to the end of July (DI-J) significantly increased phenol derivative content in Arbequina olive oil compared with the control.
- Taxon
- Olea europaeaOlea europaeae0
- Material
- Arbequinae0
- Treatment
- irrigation at 30% of CON, either from the end of fruit drop to the end of July (DI-J)e2
- Outcome
- contents in phenol derivativese1
- Direction
- highere1
- Comparator
- A controle3
- Setting
- superintensive orcharde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different irrigation treatments were applied to a superintensive orchard of 'Arbequina' olives ( Olea europaea L.)”
e1“DI-J oils exhibited significantly higher oxidative stability, which coincided with significantly higher contents in phenol derivatives”
e2“two water deficit treatments were employed with irrigation at 30% of CON, either from the end of fruit drop to the end of July (DI-J)”
e3“A control was made (CON)”
The same questions in other papers
irrigation · quality: phytochemicals · Olea europaea (common olive)Positive and negative results
11 papers in the same direction as this paper · 6 in the opposite direction
- negative
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14 papers more in this group
See all 18 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.