The article presents the results of research into component composition of raw calendula's essential oil. The study was conducted by gas chromatography mass spectrophotometry method under the following conditions: column -CPWax58FFAPCB 24,5 mm x 250 mm x 0,20 mm nominal, the mobile-phase-He (helium), speed-column mobile phase -1.0 ml /min, volume sample injection -5 mkl; resolutions (5:1), in the Split, high-boiling chamber -220°C, detector temperature 275°C; Aux-200°C, column temperature 70°C gradually increased from 10°C / min to 250°C, maintained to the end of analysis temperature regime (250°C) for 5 min. muurololnaftalenol-8.522%.In addition, it was ascertained that in different parts of the world calendula's essential oils differ from each other in qualitative composition and quantitative components. UDC CODE & KEYWORDSUDC: 615.074 Calendula officinalis Flower Uzbekistan Gazochromatomass -spectrophotometry Essential oils Tashkent pharmaceutical institute, Tashkent, Uzbekistan
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