Komposisi Kimia dan Aktiviti Anti-agen-pengoksidaan Minyak Pati Hedychium malayanum

Translated title of the contribution: Chemical composition and antioxidant activity of hedychium malayanum essential oils

Mohammed Yahya Abdo, Wan Yaacob Wan Ahmad, Laily Bin Din, Nazlina Ibrahim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The leaves and stems of Hedychium malayanum were hydrodistilled using a Clevenger-type apparatus to give 0.038 and 0.009% oils, respectively. Sixteen and seven compounds which made up 98.4 and 100% of the respective oils were identified using capillary GC and GC-MS with a DB-5 column. These oils contained high amount of monoterpene hydrocarbons with β-pinene being the main compound found in the leaves (39.1%) and the stems (46.7%) followed by α-pinene (22.3%) and β-caryophyllene (13.7%) which was found in the leaf oil and 1,8-cineole (17.7%) and α-pinene (16.9%) in the stem oil. Antioxidant test by 1,1-diphenyl-2-picrylhydrazyl (DPPH) showed that the leaf oil was a stronger antioxidant (31.1%) than Trolox (28.4%), whereas the stem oil was the weakest antioxidant (23.9%). β-Carotene bleaching (BCB) in linoleic acid showed that both oils were weaker antioxidants than butylated hydroxytoulene (96.8% inhibition). However, the stem oil (79.8%) showed a good inhibition whereas the leaf oil possessed a moderate capacity (54.7%) to prevent the oxidation by linoleic acid.

Original languageUndefined/Unknown
Pages (from-to)194-201
Number of pages8
JournalMalaysian Journal of Analytical Sciences
Volume19
Issue number1
Publication statusPublished - 2015

Fingerprint

Volatile Oils
Oils
Antioxidants
Chemical analysis
Linoleic Acid
Monoterpenes
Carotenoids
Bleaching
Hydrocarbons
Oxidation

Keywords

  • Antioxidant activity
  • Chemical composition
  • Essential oil
  • GC-GC/MS
  • Hedychium malayanum

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Komposisi Kimia dan Aktiviti Anti-agen-pengoksidaan Minyak Pati Hedychium malayanum. / Abdo, Mohammed Yahya; Wan Ahmad, Wan Yaacob; Din, Laily Bin; Ibrahim, Nazlina.

In: Malaysian Journal of Analytical Sciences, Vol. 19, No. 1, 2015, p. 194-201.

Research output: Contribution to journalArticle

Abdo, Mohammed Yahya ; Wan Ahmad, Wan Yaacob ; Din, Laily Bin ; Ibrahim, Nazlina. / Komposisi Kimia dan Aktiviti Anti-agen-pengoksidaan Minyak Pati Hedychium malayanum. In: Malaysian Journal of Analytical Sciences. 2015 ; Vol. 19, No. 1. pp. 194-201.
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