Changes in Oil Composition of two Sunflower Varieties Induced by Salt-Stress

2003 ◽  
pp. 211-214
Author(s):  
H. Jabri ◽  
A. Smaoui ◽  
M. Zarrouk ◽  
A. Cherif
Keyword(s):  
Salt Stress ◽  
Oil Composition

scholarly journals Physiological, morphological and phytochemical responses of ajowan (Trachyspermum ammi L.) populations to salt stress

2021 ◽  
Author(s):  
Gita Mirniyam ◽  
Mehdi Rahimmalek ◽  
Ahmad Arzani ◽  
Parisa Yavari ◽  
Mohammad Hossein Ehtemam
Keyword(s):  
Salt Stress ◽  
Essential Oil ◽  
Reducing Power ◽  
Essential Oil Composition ◽  
Oil Yield ◽  
Gas Chromatography Mass Spectrometry ◽  
Total Phenolic ◽  
Oil Composition ◽  
Trachyspermum Ammi ◽  
Phenolic And Flavonoid

Abstract Twenty-eight populations of ajowan (Trachyspermum ammi L.) were evaluated for morphological traits and oil yield in two consecutive years. Then, selected ajowan populations that revealed medium and high oil yield and higher seed weight in two years were selected for further studies. These were assessed for physiological traits, total phenolic and flavonoid contents and antioxidant capacity under four salt treatments control, 60, 90, and 120 mM NaCl. The essential oil composition was analyzed by gas chromatography-mass spectrometry (GC-MS) Thymol (32.7-54.29%), γ -terpinene (21.71–32.81%), and p-cymene (18.74–26.16%) were major components. The highest and lowest thymol were recorded for Qazvin (control) and Qazvin (Low salt concentration), respectively. Salt stress caused an increase in essential oil content of Esfahfo and Qazvin populations. The highest phenolic and flavonoid contents were found in Arak population grown in 60 mM NaCl (183.83 mg TAE g− 1 DW) and Yazd population grown in 90 mM NaCl (5.94 mg QE g− 1 DW). Moreover, Yazd population exhibited the strongest antioxidant activity based on DPPH (IC50 = 1566µg/mL) under 60 mM NaCl and the highest reducing power (0.69 nm) under 120 mM NaCl. Overall, the results revealed that low and moderate salt stress improves the phytochemicals of ajowan, being especially useful for pharmaceutical and food applications.

scholarly journals Salt Stress Affects Plastid Ultrastructure and Photosynthetic Activity but Not the Essential Oil Composition in Spearmint (Mentha spicata L. var. crispa “Moroccan”)

2021 ◽  
Vol 12 ◽  
Author(s):  
Roumaissa Ounoki ◽  
Ferenc Ágh ◽  
Richard Hembrom ◽  
Renáta Ünnep ◽  
Bernadett Szögi-Tatár ◽  
...  
Keyword(s):  
Salt Stress ◽  
Essential Oil ◽  
Root Formation ◽  
Photosynthetic Activity ◽  
Adventitious Root Formation ◽  
Essential Oil Composition ◽  
Oil Composition ◽  
Mentha Spicata ◽  
Nacl Concentration ◽  
Ionic Components

High levels of soil salinity affect plant growth, reproduction, water and ion uptake, and plant metabolism in a complex manner. In this work, the effect of salt stress on vegetative growth, photosynthetic activity, and chloroplast ultrastructure of spearmint (Mentha spicata L. var. crispa “Moroccan”) was investigated. After 2 weeks of low concentration treatments (5, 25, and 50 mM NaCl) of freshly cut shoots, we observed that the stem-derived adventitious root formation, which is a major mean for vegetative reproduction among mints, was completely inhibited at 50 mM NaCl concentration. One-week-long, high concentration (150 mM NaCl) salt stress, and isosmotic polyethylene glycol (PEG) 6000 treatments were compared in intact (rooted) plants and freshly cut, i.e., rootless shoots. Our data showed that roots have an important role in mitigating the deleterious effects of both the osmotic (PEG treatment) and specific ionic components of high salinity stress. At 50 mM NaCl or above, the ionic component of salt stress caused strong and irreversible physiological alterations. The effects include a decrease in relative water content, the maximal and actual quantum efficiency of photosystem II, relative chlorophyll content, as well as disorganization of the native chlorophyll-protein complexes as revealed by 77 K fluorescence spectroscopy. In addition, important ultrastructural damage was observed by transmission electron microscopy such as the swelling of the thylakoid lumen at 50 mM NaCl treatment. Interestingly, in almost fully dry leaf regions and leaves, granum structure was relatively well retained, however, their disorganization occurred in leaf chloroplasts of rooted spearmint treated with 150 mM NaCl. This loss of granum regularity was also confirmed in the leaves of these plants using small-angle neutron scattering measurements of intact leaves of 150 mM NaCl-stressed rooted plants. At the same time, solid-phase microextraction of spearmint leaves followed by gas chromatography and mass spectrometry (GC/MS) analyses revealed that the essential oil composition of spearmint was unaffected by the treatments applied in this work. Taken together, the used spearmint cultivar tolerates low salinity levels. However, at 50 mM NaCl concentration and above, the ionic components of the stress strongly inhibit adventitious root formation and thus their clonal propagation, and severely damage the photosynthetic apparatus.

Essential oil composition of Hyssop (Hyssopus officinalis L.) under salt stress at flowering stage

2016 ◽  
Vol 28 (5) ◽  
pp. 458-464 ◽  
Author(s):  
Omolbanin Jahantigh ◽  
Farzaneh Najafi ◽  
Hassanali Naghdi Badi ◽  
Ramazan Ali Khavari-Nejad ◽  
Forough Sanjarian
Keyword(s):  
Salt Stress ◽  
Essential Oil ◽  
Essential Oil Composition ◽  
Oil Composition ◽  
Flowering Stage ◽  
Hyssopus Officinalis

Plant growth, mineral nutrition and volatile oil composition of Mentha suaveolens subsp. timija (Briq.) Harley cultivated under salt stress conditions

2014 ◽  
Vol 59 ◽  
pp. 80-84 ◽  
Author(s):  
Ayoub Kasrati ◽  
Chaima Alaoui Jamali ◽  
Khalid Bekkouche ◽  
Hans Wohlmuth ◽  
David Leach ◽  
...  
Keyword(s):  
Salt Stress ◽  
Plant Growth ◽  
Mineral Nutrition ◽  
Volatile Oil ◽  
Stress Conditions ◽  
Oil Composition

scholarly journals Changes in growth, oxidative metabolism and essential oil composition of lemon balm (Melissa officinalis L.) subjected to salt stress

2017 ◽  
Vol 11 (12) ◽  
pp. 1665-1674 ◽  
Author(s):  
Cristine Bonacina ◽  
◽  
Cláudia Borsari Trevizan ◽  
Juliana Stracieri ◽  
Tiago Benedito dos Santos ◽  
...  
Keyword(s):  
Salt Stress ◽  
Essential Oil ◽  
Oxidative Metabolism ◽  
Essential Oil Composition ◽  
Oil Composition ◽  
Melissa Officinalis ◽  
Lemon Balm

Alleviation of salt stress by arbuscular-mycorrhizal Glomus species in Lactuca sativa plants

1996 ◽  
Vol 98 (4) ◽  
pp. 767-772 ◽  
Author(s):  
J. M. Ruiz-Lozano ◽  
R. Azcon ◽  
M. Gomez
Keyword(s):  
Salt Stress ◽  
Lactuca Sativa ◽  
Arbuscular Mycorrhizal ◽  
Glomus Species

Evaluation of the essential oil composition of fruits of three endemic species of Tornabenea from Cape Verde Islands

Planta Medica ◽  
2009 ◽  
Vol 75 (09) ◽  
Author(s):  
C Grosso ◽  
G Teixeira ◽  
I Gomes ◽  
ES Martins ◽  
JG Barroso ◽  
...  
Keyword(s):  
Essential Oil ◽  
Endemic Species ◽  
Essential Oil Composition ◽  
Cape Verde ◽  
Oil Composition ◽  
Cape Verde Islands

Comparative essential oil composition of fennel (Foeniculum vulgare Mill.) fruits collected during different three years

Planta Medica ◽  
2009 ◽  
Vol 75 (09) ◽  
Author(s):  
AC Aprotosoaie ◽  
V Floria ◽  
A Spac ◽  
A Miron ◽  
M Hancianu ◽  
...  
Keyword(s):  
Essential Oil ◽  
Essential Oil Composition ◽  
Oil Composition ◽  
Foeniculum Vulgare
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