Changes in fatty acid and essential oil composition of sage (Salvia officinalis L.) leaves under NaCl stress

被引:90
作者
Ben Taarit, Mouna [1 ]
Msaada, Kamel [1 ]
Hosni, Karim [1 ]
Marzouk, Brahim [1 ]
机构
[1] Ctr Biotechnol, Aromat & Med Plants Unit, Hammam Lif 2050, Tunisia
关键词
Salvia officinalis; Salinity; Fatty acids composition; alpha-Linolenic acid; Essential oil composition; alpha-Thujone; CHEMICAL-COMPOSITION; TOLERANCE; GROWTH; SEASON; YIELDS; PARTS;
D O I
10.1016/j.foodchem.2009.07.055
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Fatty acids and essential oils from hydroponically cultivated Salvia officinalis leaves were analyzed by GC and GC-MS. Four different levels of NaCl (25, 50, 75 and 100 mM) were applied. The first results showed that salt treatment reduced significantly the plant growth by 61% and the total fatty acids (TFA) content by 32% at 100 mM NaCl. Alpha-linolenic, gadoleic, palmitic and oleic acids were the major fatty acids. Moreover, the polyunsaturated fatty acids decreased, while the monounsaturated ones increased with respect to increasing salinity. Regarding the essential oil composition, the main compounds were alpha- and beta-thujone, 1,8-cineole, camphor, alpha-humulene, viridiflorol and manool at all salt treatments. The yield had a maximum increase at 75 mM NaCl. Hence, sage can be considered as moderately salt sensitive. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:951 / 956
页数:6
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