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Thujone is a volatile monoterpene ketone of plant origin which is produced by several plants that are frequently used for flavoring foods and beverages. The use of thujone and thujone-containing plant parts for human consumption is currently regulated by the European Parliament and Council and the European Medicines Agency. The best known neurotoxi...
The study compared changes in essential oil content and its thujone ratio in two popular herbs (Artemisia absinthium L. and Salvia offi-cinalis L.), pertaining to plant development and plant organs. Both species were harvested in 2018 at the vegetative, floral budding, flowering and after flowering phases; flowers and leaves were sampled separately...
Two wormwood accessions (originated from Spain and Hungary) were grown in climatic chambers in order to determine the effect of temperature and light intensity on the volatile compounds. Young plants were tested in controlled environment installed as “warm” (increasing temperature from 180C/100C to 270C/190C and 16 klx light intensity with 14h day/...
One hundred and twenty individuals from twelve accessions of Artemisia absinthium grown in experimental plots were harvested during the vegetative period in order to evaluate volatile compositions. The essential oils were obtained by hydrodistillation and analyzed by the GCMS method. Evaluating the components higher than 1% of GC area, a total of s...
The accumulation of essential oil of wormwood is influenced by various biological factors. A study was conducted to determine factors influencing the content and composition of volatiles in Artemisia absinthium L. due to ontogenesis and organic differentiation. Thujone (T) and trans-sabinyl-acetate (SA) chemotypes were harvested in 2017 at the vege...
The aqueous extracts of leaves and flowers of two Artemisia absinthium L. chemotypes in various concentrations: 0 (control); 0.1; 0.2; 0.3; 0.4 mg/ml were installed to carry out a systematic evaluation of phytotoxic activities of wormwood on the germination of Lactuca sativa (lettuce) and Ocimum basilicum (basil). The experiment was carried out in...
The effect of temperature and light intensity on the growth and the production of active ingredients of Artemisia absinthium L. was studied. To this purpose, young plants of two wormwood accessions with different geo- graphical origin were grown for 14 weeks in climatic chambers under two controlled conditions identified as "warm" and "cold", respe...
A trial with nine wormwood accessions was installed to carry out a systematic evaluation of intraspecific chemical diversity. The experiment was carried out in open field in 2016. Essential oil (EO) yield and composition were measured, besides, 11 RAPD and 15 ISSR molecular markers were tested to determine the genetic diversity of the accessions. T...
A trial with nine wormwood accessions was installed to carry out a systematic evaluation of intraspecific diversity. Six morphological features, essential oil (EO) yield and thujone content were measured. Besides, 11 RAPD and 15 ISSR molecular markers were tested to determine the genetic diversity of the accessions. The experiment was carried out i...
Vietnam agriculture has been existing for millennia with long history of diverse ecological systems. Vietnam is well known as one of the countries with high diversity of plant genetic resources. In the terrestrial systems of Vietnam, more than 13,200 floral species, among them 10,000 faunal species have been identified. Recently, the national and i...
