Summer Deficit-Irrigation Strategies in a Hedgerow Olive cv. Arbequina Orchard: Effect on Oil Quality

被引:33
作者
Gomez del Campo, Maria [1 ]
Garcia, Jose M. [2 ]
机构
[1] Univ Politecn Madrid, Dept Prod Vegetal Fitotecnia, E-28040 Madrid, Spain
[2] CSIC, Inst Grasa, Dept Fisiol & Tecnol Prod Vegetales, Seville 41012, Spain
关键词
stability; phenol; Olea europaea; virgin oil; water management; OLEA-EUROPAEA; PHENOLIC COMPOSITION; SENSORY PROPERTIES; TREES; CULTIVAR; VOLATILE; FRUIT; CORNICABRA; TRENDS; LEVEL;
D O I
10.1021/jf402107t
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
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.
引用
收藏
页码:8899 / 8905
页数:7
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