Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 112, Issue -, Pages 353-362Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2017.12.033
Keywords
Antioxidant activity; Antimicrobial property; Essential oil; Gas chromatography-mass spectrometry; Hedychium coronarium
Categories
Funding
- Department of Biotechnology, Ministry of Science and Technology [BT/PR7953/PBD/17/855/2013]
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Hedychium coronariwn Koen. is a perennial herb of family Zingiberaceae that is valued for its high quality essential oil. In the present study, the variability in chemical constituents, antioxidant and antimicrobial property of essential oils of Hedychium coronarium collected from different locations of Eastern India were evaluated. Essential oil hydrodistilled from rhizome parts of H. coronarium varied from 0.05 to 0.47% (v/w). A total of 44 components accounting for 86.18-99.94% of H. coronarium essential oil were identified by gas chromatography flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS). The major components are beta-pinene (11.07-42.74%), eucalyptol (11.48-40.59%), linalool (1.56-45.11%), coronarin-E (1.01-39.57%), alpha-pinene (3.80-16.60%), p-cymene (1.05-8.89%), gamma-terpinene (1.73-5.82%) and 10epi-gamma-eudesmol (1.11-4.86%). According to agglomerative hierarchical clustering (AHC) and principal component analysis (PCA), the essential oils of H. coronariwn populations were grouped into four different chemotypes. They were (I) eucalyptol, (II) linalool, (III) coronarin-E, and (IV) beta-pinene. Furthermore, essential oils exhibited considerable levels of reducing power activity (IC50, 0.39-1.66 mg/ml), 2,2-diphenyl-1-picrylhydrazyl (DPPH) (IC50, 0.57-2.19 mg/ml), 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) (IC50, 0.12-0.67 mg/ml) radical-scavenging activities. Results of antimicrobial activity concluded that essential oil has good inhibitory activity against Candida albicans and Fusarium oxysporwn. The results showed that geographic origin greatly influenced the chemical composition of essential oil of H. coronarium and their associated bioactivities. Four chemotypes identified in the present study could be developed as promising bioresource in perfumery, food and pharmaceutical industry.
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