Influence of vegetation on the composition of essential oil from <i>(Melissa officinalis</i> L.)

Lemon balm ( Melissa officinalis L.) is a perennial plant of the family Lamiaceae, which used in folk medicine and food industry, as well being processed to obtain essential oil. The aim special work monitor influence vegetation on composition chemical oils, obtained by steam distillation from lemon cultivated North-eastern Bulgaria, has been determined. plants were harvested two periods - first at end June second August 2020. main components oil cut are geranial (26.41%), neral (19.55%), (E)- β -caryophyllene (17.46%), germacrene D (7.86%) -citronellal (3.24%). In cut, (37.26%), (28.46%), caryophyllene (6.65%), geraniol (4.72%), (3.04%). harvest high content geranial, lower D. Variations amounts also present other compounds.