DETERMINATION OF YIELD, PRODUCTIVITY AND CHEMIAL COMPOSITION OF EUCALYPTUS OIL FROM DIFFERENT SPECIES AND LOCATIONS IN INDONESIA
There are many factors that influence the biosynthesis of eucalyptus oil which primarily contains 1,8-cineole. Exploratory studies to determine the yield and chemical composition of eucalyptus from different species are necessary. The aim of this was to investigate the yield, productivity and chemical composition of essential oil from different species of Eucalyptus in Indonesia. Three different species of Eucalyptus from different locations in Indonesia was studied particularly E. citriodora, E. urophylla, and E. viminalis. The essential oil contained in the leaf was extracted using a steam-distillation technique. The yield of Eucalyptus oil varies from 1.6 % â€“ 3.3% (w/w, dry weight) which depends on the species, plant location, and leaf age. The chemical composition was analyzed using a Gas Chromatography-Mass Spectrophotometry. The major component in Eucalyptus oil was determined as 1,8-cineole and citronellal and varied from 18.2-82.8%. The productivity of the eucalyptus oil was estimated in the range of 47.4-3771.2 kg/ha/year.
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