Volatile profiling of aromatic traditional medicinal plant, polygonum minus in different tissues and its biological activities

Rafidah Ahmad, Syarul Nataqain Baharum, Bunawan Hamidun, Minki Lee, Normah Mohd. Noor, Emelda Roseleena Rohani, Norashikin Ilias, Noraziah Mohamad Zin

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The aim of this research was to identify the volatile metabolites produced in different organs (leaves, stem and roots) of Polygonum minus, an important essential oil producing crop in Malaysia. Two methods of extraction have been applied: Solid Phase Microextraction (SPME) and hydrodistillation coupled with Gas Chromatography-Mass Spectrometry (GC-MS). Approximately, 77 metabolites have been identified and aliphatic compounds contribute significantly towards the aroma and flavour of this plant. Two main aliphatic compounds: decanal and dodecanal were found to be the major contributor. Terpenoid metabolites were identified abundantly in leaves but not in the stem and root of this plant. Further studies on antioxidant, total phenolic content, anticholinesterase and antimicrobial activities were determined in the essential oil and five different extracts. The plant showed the highest DPPH radical scavenging activity in polar (ethanol) extract for all the tissues tested. For anti-acetylcholinesterase activity, leaf in aqueous extract and methanol extract showed the best acetylcholinesterase inhibitory activities. However, in microbial activity, the non-polar extracts (n-hexane) showed high antimicrobial activity against Methicillin-resistant Staphylococcus aureus (MRSA) compared to polar extracts. This study could provide the first step in the phytochemical profiles of volatile compounds and explore the additional value of pharmacology properties of this essential oil producing crop Polygonum minus.

Original languageEnglish
Pages (from-to)19220-19242
Number of pages23
JournalMolecules
Volume19
Issue number11
DOIs
Publication statusPublished - 1 Nov 2014

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Polygonum
Volatile Oils
Medicinal Plants
Metabolites
activity (biology)
Bioactivity
Acetylcholinesterase
Tissue
Crops
metabolites
aliphatic compounds
Plant Stems
leaves
Solid Phase Microextraction
Plant Roots
Methicillin
Tissue Extracts
oils
Flavors
Malaysia

ASJC Scopus subject areas

  • Organic Chemistry

Cite this

Volatile profiling of aromatic traditional medicinal plant, polygonum minus in different tissues and its biological activities. / Ahmad, Rafidah; Baharum, Syarul Nataqain; Hamidun, Bunawan; Lee, Minki; Mohd. Noor, Normah; Rohani, Emelda Roseleena; Ilias, Norashikin; Mohamad Zin, Noraziah.

In: Molecules, Vol. 19, No. 11, 01.11.2014, p. 19220-19242.

Research output: Contribution to journalArticle

Ahmad, Rafidah ; Baharum, Syarul Nataqain ; Hamidun, Bunawan ; Lee, Minki ; Mohd. Noor, Normah ; Rohani, Emelda Roseleena ; Ilias, Norashikin ; Mohamad Zin, Noraziah. / Volatile profiling of aromatic traditional medicinal plant, polygonum minus in different tissues and its biological activities. In: Molecules. 2014 ; Vol. 19, No. 11. pp. 19220-19242.
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