Shakeel-u- Rehman

Indian Institute of Integrative Medicine

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Asif Khurshid Qazi

Indian Institute of Integrative Medicine

Khursheed Ahmad Bhat

Indian Institute of Integrative Medicine

A. S. Shawl

Indian Institute of Integrative Medicine

Ajay Kumar

Indian Institute of Integrative Medicine

Mohammad Akbar Khuroo

University of Kashmir

Abubakar Wani

St. Jude Children's Research Hospital

Suresh Chandra

Directorate of Coldwater Fisheries Research

Ubaid Makhdoomi

Indian Institute of Integrative Medicine

Aabid Manzoor Shah

University of Sargodha

Parvaiz Hassan Qazi

Indian Institute of Integrative Medicine

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Indian Institute of Integrative Medicine

Academy of Scientific and Innovative Research

Council of Scientific and Industrial Research

University of Kashmir

University of Jammu

Guru Jambheshwar University of Science and Technology

National Institute of Technology Srinagar

Institute of Minerals and Materials Technology

University of Nebraska Medical Center

Cluster University Srinagar

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Comparative analysis of the aroma chemicals of Melissa officinalis using hydrodistillation and HS-SPME techniques

Arabian Journal of Chemistry (2013)

Shakeel-u- Rehman Romaisa Latief Khursheed Ahmad Bhat Mohammad Akbar Khuroo A. S. Shawl

Headspace solid-phase micro extraction (HS-SPME) coupled with gas chromatography–mass spectrometry (GC–MS) has been used for the chemical analysis of Melissa officinalis (leaves) cultivated in Institute Germplasm. The HS-SPME analysis led to the identification of 22 components constituting 99.1% of the total volatile constituents present in the leaves whereas its hydrodistillate led to the identification of 24 volatile constituents constituting 98.1% of the volatile material. The chemical composition of the SPME and hydrodistilled extract of M. officinalis leaves comprised mainly of oxygenated monoterpenes (78.5% and 57.8% respectively) and sesquiterpene hydrocarbons (14.9% and 29.7% respectively). The major components identified in the HS-SPME extract were citronellal (31.1%), citronellol (18.3%), β-caryophyllene (12.0%), (E)-citral (11.9%), (Z)-citral (9.6%), geraniol (3.6%), (Z)-β-ocimene (3.1%) and 1-octen-3-ol (2.0%) whereas hydrodistilled essential oil was rich in (Z)-citral (19.6%), β-caryophyllene (13.2%), (E)-citral (11.2%), citronellal (10.2%), germacrene-d (8.3%), δ-3-carene (5.0%), 6-methyl-5-hepten-2-one (3.7%) and citronellyl acetate (3.7%). The comparative analysis of volatile constituents of M. officinalis leaf extract using HS-SPME and hydrodistillation techniques shows both qualitative as well as quantitative differences. The current study is the first report involving rapid analysis of volatile components of M. officinalis by HS-SPME.

Citronellal

Citral

Melissa Officinalis

Citronellol

Nerol

Solid-Phase Microextraction

Geranyl acetate

Caryophyllene

Nonanal

Decanal

10.1016/j.arabjc.2013.09.015

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