Biosynthesis of essential oils in aromatic plants

A review

Rafia Rehman, Muhammad Asif Hanif, Zahid Mushtaq, Abdullah Mohammed Al-Sadi

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

In aromatic plants species, biosynthesis of essential oils occurs through two complex natural biochemical pathways involving different enzymatic reactions. Isopentenyl diphosphate (IPP) and its isomer dimethylallyl diphosphate (DMAPP) are the universal precursors of essential oil biosynthesis and are produced by the cytosolic enzymatic MVA (mevalonic acid) pathway or by plastidic and enzymatic 1-deoxy-d-xylolose-5-phosphate (DXP) pathway, also called the 2-C-methylerythritol-4-phosphate (MEP) pathway. In the particular plant cell part, prenyl diphosphate synthases condense isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP) further to form prenyl diphosphates, which are used as substrates for geranyl diphosphate (GPP; C10) or for fernesyl diphosphate (FPP; C15). Essential oils are final terpenoid products and are formed by a huge group of enzymes known as terpene synthases (TPS). Essential oils are important secondary metabolites of plants and have been used not only in different industries but also in ethnobotanical medicines for centuries. Hence, considerable research has been undertaken to understand the essential oil biosynthetic pathways. This review will be a valuable source of information in the field of natural products, as we give detailed insights about biosynthesis of essential oils in plants and thus indicate also new unexplored horizons for further research.

Original languageEnglish
Pages (from-to)117-160
Number of pages44
JournalFood Reviews International
Volume32
Issue number2
DOIs
Publication statusPublished - Apr 2 2016

Fingerprint

Essential oils
oil crops
essential oil crops
Biosynthesis
Volatile Oils
essential oils
biosynthesis
Diphosphates
terpenoids
biochemical pathways
Phosphates
phosphates
Terpenes
mevalonic acid
Mevalonic Acid
Biosynthetic Pathways
Plant Cells
enzymatic reactions
Metabolites
information sources

Keywords

  • Aromatic plants
  • biochemical pathways
  • biosynthesis
  • essential oils
  • natural products

ASJC Scopus subject areas

  • Food Science
  • Chemical Engineering(all)

Cite this

Biosynthesis of essential oils in aromatic plants : A review. / Rehman, Rafia; Hanif, Muhammad Asif; Mushtaq, Zahid; Al-Sadi, Abdullah Mohammed.

In: Food Reviews International, Vol. 32, No. 2, 02.04.2016, p. 117-160.

Research output: Contribution to journalArticle

Rehman, Rafia ; Hanif, Muhammad Asif ; Mushtaq, Zahid ; Al-Sadi, Abdullah Mohammed. / Biosynthesis of essential oils in aromatic plants : A review. In: Food Reviews International. 2016 ; Vol. 32, No. 2. pp. 117-160.
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