Investigation of chemical composition of aster purple loosestrife (Aster salignus Willd)
In modern medicine is paid much attention for the search of new sources of natural bioactive compounds. The genus aster (Aster L.) aster family (Asteraceae) includes more than 500 species of herbaceous perennials, widespread in Europe, Asia, Africa, Central and North America, Russia and Ukraine. The chemical composition of plants of the genus aster has not been studied. Plants used as an expectorant, anti-inflammatory, hemostatic agents, their prescribed for pulmonary, gastrointestinal diseases.
The aim of the work was to study the content of biologically active substances in aboveground organs asters purple loosestrife (Aster salignus Willd).
The content of volatile and lipophilic compounds in the grass aster purple loosestrife determined chromatography-mass spectrometry. Determination was performed by using Agilent Technologies 6890 chromatograph with mass-spectrometric detector 5973. The amount of lipids extracted from the dried and crushed material with hexane. Qualitative and quantitative composition of the fatty acids examined by gas-liquid chromatography, gas chromatography HP 6980 with flame ionization detector.
As a result of research in the grass asters purple loosestrife established the presence of 44 volatile substances, in which are dominated terpenoids: spatuenol (150,16 mg/kg), aromadendrenoxyde (1) (120,10 mg/kg), aromadendren (113,21 mg/kg) , germakren D-1,10-epoxyde (104,3 mg/kg). The content of total flavonoids in the grass aster purple loosestrife, based on the routines calculation, is 2,16 ± 0,01% in the phase of mass flowering.
According to the analysis it was found that in the lipophilic fraction of seeds of aster purple loosestrife dominated unsaturated fatty acids: linoleic (76,25%), oleic acid (8,85%). Saturated fatty acids are represented in a large amount as palmitic acid (8,22%).
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