K. Mekademi1*, D. Kebour1,2, N.A. Ouchene-Khelifi1,3, N. Ouchene1,3 1Institute of Veterinary Sciences, University of Saad Dahlab Blida 1, BP270, Street of Soumâa, 09000 Blida, Algeria 2 Department of Biotechnology, Faculty of Natural and Life Sciences, University of Saad Dahlab Blida

V. Badzhelova* Institute of Roses, Essential and Medical Cultures, 6100 Kazanlak, Bulgaria Manuscript received 24 July 2020; accepted for publication 20 January 2021 Abstract. The objective of this study is to determine the quantity and parameters of the obtained essential oil of two

Paşa1, E. Esendal2, T. Kiliç3   1Department of Plant and Animal Production, Altinoluk Vocational School, Balikesir University, Medicinal and Aromatical Plants Programme, Altinoluk, Edremit, Balikesir, Turkey 2Department of Field Crops, Faculty of Agriculture, Namik Kemal University, T

A. Dobreva* Institute for Roses and Medicinal Plants, 49 Osvobojdenie, 6100 Kazanlak, Bulgaria Abstract. Applying the method of distillation, the influence of different temperatures at the outlet of the cooler when processing Rosa alba is traced. It has been found that the extraction

T. Zagorcheva, S. Stanev, K. Rusanov, I. Atanassov Abstract. The composition of lavender inflorescence volatiles and distilled essential oils is significantly influenced by a number of factors, which makes it difficult to perform comparative analysis for larger lavender genetic resour

A. Dobreva, M. Gerdzhikova Abstract. In 2010 the content and composition of the essential oil from Rosa alba L. in the different phases of the development of blossom is examined. Quantitative and qualitative changes of the essential oil are traced. Flowers from the population of white

A. Dzhurmanski, G. Zhekova, D. Angelova Abstract. In the vegetation of rue the content of essential oil in fresh leaves herb doesn’t change and it maintains constant value of 0.1%. However, there are significant changes in content of essential oil of the inflorescence in order o

A. Dobreva Abstract. It was raced the influence of acidity rate (pH=4 and pH=6) on the quantity and chemical composition of essential oil of Rosa damascena Mill. It was established that the yield is ranging 80 ÷ 110 % compared with control and the amount of the main terpene alcohols (

Through distillation in a Clevenger apparatus, IRAP has obtained essential oils of Agastache foeniculum leaves and blossoms. The gaschromatography and organoleptic analysis have identified three types of oil: anethole, sweet menthol, and menthol. The anethole oil has the least number

The dynamics of the essential oils of Rosa damascena Mill. and Rosa alba L. within a day period has been measured. It has been found that the two genotypes have the same rhythm in the release of volatile emissions. In the context of meteorological conditions the maximum of oil of the