Flower Essential Oil of Hymnocrater platystegius Rech. f., a Labiate Herb Indigenous in Iran

Abstract

The hydrodistilled essential oil from flowers of Hymenocrater platystegius Rech. f., which is<br />endemic to Iran, was analyzed by GC and GC/MS. Twelve compounds representing 80.4%<br />of the flowers oil of H. platystegius were identified. This oil was particularly rich in α-pinene<br />(25.8%) and limonene (20.9%); another major component of the oil was β-pinene (12.2%).