Effect of Regulated Deficit Irrigation on the Quality of 'Arbequina' Extra Virgin Olive Oil Produced on a Super-High-Intensive Orchard

被引:9
|
作者
Garcia-Garvi, Jose Miguel [1 ]
Sanchez-Bravo, Paola [1 ]
Hernandez, Francisca [2 ]
Sendra, Esther [1 ]
Corell, Mireia [3 ]
Moriana, Alfonso [3 ]
Burgos-Hernandez, Armando [4 ]
Carbonell-Barrachina, Angel A. [1 ]
机构
[1] Miguel Hernandez Univ, Ctr Invest & Innovac Agroalimentaria & Agroambien, Res Grp Food Qual & Safety, Carretera Beniel,Km 3-2, Orihuela 03312, Spain
[2] Miguel Hernandez Univ, Ctr Invest & Innovac Agroalimentaria & Agroambien, Grp Invest Fruticultura & Tecn Prod, Carretera Beniel,Km 3-2, Orihuela 03312, Spain
[3] Univ Seville, Escuela Tecn Super Ingn Agron ETSIA, Dept Agron, Carretera Utrera,Km 1, Seville 41004, Spain
[4] Univ Sonora, Dept Invest & Posgrad Alimentos, Blvd Luis Encinas & Rosales S-N, Hermosillo 1658, Sonora, Mexico
来源
AGRONOMY-BASEL | 2022年 / 12卷 / 08期
关键词
antioxidants; fatty acids; Olea europea; sensory profile; volatile composition; OLEA-EUROPAEA L; VOLATILE COMPOUNDS; ANTIOXIDANT ACTIVITY; STRATEGIES; GROWTH;
D O I
10.3390/agronomy12081892
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The expansion of the super-high-intensive cultivation of olive groves requires irrigation techniques that are compatible with the increasing scarcity of water due to climate change and olive oil demand. For this, the effect of two regulated deficit irrigation treatments (RDI) and a sustained deficit irrigation (SDI) treatment was studied. The treatments consisted of: (i) control treatment, which supplied 100% of the water lost by evapotranspiration (ET0); (ii) the "optimal RDI" treatment, which only reduced irrigation water (similar to 37-54% reduction) during the pit hardening stage; (iii) the "confederation RDI" which limited water restriction to the donation of the Guadalquivir hydrographic confederation (similar to 72% reduction); and, (iv) the "confederation SDI", similar water restriction (similar to 72%) but dying the whole tree cycle. In general, the reduction in the irrigation water caused no negative effects on the studied parameters. However, the total phenolic content (TPC) was increased when the deficit irrigation was applied. Fatty acid profile showed changes with respect to the control, increasing oleic acid and the total content of monounsaturated fatty acids (MUFA). For the volatile compound profile, reducing water intake caused changes in mayor volatile compound (trans-2-hexenal), related with green flavors. The application of deficit irrigation treatments increased the value obtained in the fruity parameter with respect to the control. On the other hand, irrigation deficit treatments did not generate changes in the olive oil yield.
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页数:14
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