Effects of salicylic acid on quality and quantity of essential oil components in salvia macrosiphon

Abstract

The essential oil of Salvia macrosiphon Boiss use as a folk medicine. The effect of Exogenous application of salicylic acid (0 , 200 , 4oo mgL-1 ) in early flowering stage on components of essential oils of Salvia was evaluated. Its essential oil was analyzed by GC and GC/MS .The SA application increased Linalool from 20.02% ( 0 mgL-1) to 41.37% (400 mgL-1 ) , Hexyl isobutanat from 3.17%( 0 mgL-1) to 5.6% (400 mgL-1 ) and decrease δ -cadinen from 5.63% ( 0 mgL-1) to 3.86% (400 mgL-1 ) . Some compounds such as Franesol, δ –Amorphene, Caryophyllene oxide, Hexyl octanoate, Beta Eudesmol and α-Bisabolol only detected in control treatment. α – Pinene and 1,8-Cineol only detected in plants treated with SA.The yield of essential oil was 0.23% in ( 0 mgL-1) and 0.48% (400 mgL-1 ). The results suggest that SA application manipulated essential oil.