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Wyszukujesz frazę "essential oil yield" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Impact of Water Stress and Temperature on Metabolites and Essential Oil of Rosmarinus officinalis (Phytochemical Screening, Extraction, and Gas Chromatography)
Autorzy:
Laftouhi, Abdelouahid
Eloutassi, Noureddine
Drioua, Soufiane
Ech-Chihbi, Elhachmia
Rais, Zakia
Abdellaoui, Abdelfattah
Taleb, Abdslam
Beniken, Mustapha
Taleb, Mustapha
Powiązania:
https://bibliotekanauki.pl/articles/24201782.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
climate change
primary metabolites
secondary metabolites
essential oil yield
Rosmarinus officinalis
Opis:
Currently, climate change is disrupting life on Earth by causing imbalances in the biosphere. This work aimed to evaluate the impact of climate change on the content of primary and secondary metabolites and the yield of essential oil of Rosmarinus officinalis. Thus, the results of the conducted experiment show that the content of primary metabolites decreased with increasing temperature and decreasing precipitation along the experiment(proteins from 7.61% to 7.14%, carbohydrates from 6.92% to 5.64%, fats from 1.48% to 1.29% and dietary fiber from 4.96% to 4.22% and mineral composition: Ca from 7.67% to 5.98%, Mg from 8.61% to 7.01%, Fe from 7.53% to 7.21% and Mn from 6.85% to 3.97%), and the content of secondary metabolites increased in the second year when increasing the temperature by 5 °C and water stress by 50% (coumarin from 6.59% to 10.99%, saponins from 7.15% to 8.46%, tannin from 3.92% to 5.95%, alkaloids from 6.69% to 15.62% and flavonoid from 8.02% to 15.75%),but in the fourth year when the temperature continued to increase and water stress was 75% the content of secondary metabolites decreased (coumarin from 10.99% to 8.27%, saponins from 8.46% to 7.87%, tannin from 5.95% to 4.85%, alkaloids from 15.62% to 10.68% and flavonoid from 15.75% to 11.36%)and the same results were obtained for the yield of essential oil which increased in the second year and decreased in the fourth year. This GC analysis of the three essential oil samples shows that the majority of compounds in the three essential oils studied are cineole (S1:45.98%, S2:55.36%, S3:43.08%) followed by camphor (S1:17.44%, S2:21.44%, S3:21.56%) and Alpha-pinene (S1:9.30%, S2:8.34%, S3: 9.17%) and other compounds in low percentage.
Źródło:
Journal of Ecological Engineering; 2023, 24, 5; 237--248
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Impact of Biopreparations and Sowing Dates on the Productivity of Fennel (Foeniculum vulgare Mill.)
Autorzy:
Makukha, Olga
Powiązania:
https://bibliotekanauki.pl/articles/125077.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
fennel
biopreparation
phosphate mobilizing bacteria
presowing seeds inoculation
Albobakteryn
Polimiksobakteryn
sowing date
seed yield
essential oil
seeds
Opis:
Fennel (Foeniculum vulgare Mill.) is a valuable medicinal and aromatic plant. The introduction of such an ecofriendly element as presowing seeds inoculation with phosphate mobilizing microbial biopreparation into the growing technology is especially important in the cultivation of this crop. It is connected with an extensive use of fennel in the production of medicines, including the remedies for children. Under the moisture deficiency conditions of the southern Steppe of Ukraine, the study on the effectiveness of phosphate mobilizing biopreparations depending on the impact of sowing dates is particularly relevant. Our field experiments were carried out in 2017–2019 in the Kherson region on the dark chestnut soils typical for the southern Steppe of Ukraine. Presowing seeds inoculation with biopreparations of phosphate mobilizing bacteria Albobakteryn and Polimiksobakteryn positively affected the indicators of fennel productivity and yield quality. Among the microbial preparations studied, a preference for Polimiksobakteryn was recorded. The research findings indicate a tendency to lower the quantitative and qualitative indicators of fennel seed yield from early to late sowing. The most favourable conditions for the productive processes of fennel plants and accumulation of essential oil were ensured by the interaction of seeds bacterization with the Polimiksobakteryn biopreparation and early spring sowing at the right soil tilth stage in the third ten-day period of March. In this variant, the yielding capacity was 1.41 t/ha, the weight of 1000 seeds reached 5.61 g, the essential oil content in the seeds amounted to 6.13% in dry matter, the relative yield of essential oil being 76.1 kg/ha. The introduction of microbial preparations of phosphate mobilizing bacteria into the technology of fennel cultivation is a promising environmentally friendly approach to improving the crop productivity.
Źródło:
Journal of Ecological Engineering; 2020, 21, 4; 237-244
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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