A RESEARCH ON DETERMINATION OF ONTOGENETIC AND DIURNAL VARIATION OF ESSENTIAL OIL CONTENT AND COMPOSITION IN Hypericum kazdaghensis GROWING WILD IN IDA

Published in Scientific Papers. Series A. Agronomy, Vol. LX
Written by Cenk PAŞA, Turgut KILIÇ, Enver ESENDAL

The research carries out the determination in Hypericum kazdaghensis types of components essential oil content for growing season in Mount Ida (Turkey-Balikesir-Edremit) in 2012. Moreover the diurnal and ontogenetic variations were investigated. In this paper we determine that change in essential oils of whole plant within a day during the course of ontogenetic did not follow the same trend in H. kazdaghensis. Essential oils in whole plant increased during flower ontogenesis and reached their highest level at full flowering. Then it decreased at the fresh fruiting stage. The highest level at full flowering 0.26% and the lowest level fresh stage is 0.02%. We obtained the six-four components from aerial parts of H. kazdaghensis at the vegetative, full flowering and fresh stage. In addition, we determined that the oils consisted of mainly calamene (29.4%), germacrene-D (20.1%), gurjunene-gama (14.8%), tau-muurool (9.0%); cubenol (6.0%) and δ -cadinol (6.0%). at the vegetative stage. Finally we determined that the oils consisted calamene (16.5%), gurjunenegama (12.8%), germacrene-D (10.9%) and α-cadinene (7.9%) at the fresh fruiting stage

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PAŞA C., KILIÇ T., ESENDAL E. 2017, A RESEARCH ON DETERMINATION OF ONTOGENETIC AND DIURNAL VARIATION OF ESSENTIAL OIL CONTENT AND COMPOSITION IN Hypericum kazdaghensis GROWING WILD IN IDA. Scientific Papers. Series A. Agronomy, Vol. LX, ISSN 2285-5785, 364-369.


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