Effect of γ-irradiation on the volatile oil constituents of fresh ginger (zingiber officinale) rhizome

Volatile essential oils of fresh ginger rhizomes gamma irradiated (60 Gy) for sprout inhibition and non-irradiated control rhizomes were isolated by simultaneous distillation-extraction technique. Major compounds present in these oils were identified by GLC and GC/MS analysis. Zingiberin, β-sesquiph...

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Bibliographic Details
Published in:Food research international 1997, Vol.30 (1), p.41-43
Main Authors: Variyar, Prasad S., Gholap, A.S., Thomas, P.
Format: Article
Language:English
Subjects:
Aroma and flavouring agent industries
Biological and medical sciences
chromatography
Food industries
food irradiation
Fundamental and applied biological sciences. Psychology
gas liquid
ginger
rhizomes
volatile compounds
volatile oils
γ-irradiation
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Summary:Volatile essential oils of fresh ginger rhizomes gamma irradiated (60 Gy) for sprout inhibition and non-irradiated control rhizomes were isolated by simultaneous distillation-extraction technique. Major compounds present in these oils were identified by GLC and GC/MS analysis. Zingiberin, β-sesquiphellandrene and ar-curcumene were the major compounds identified with zingiberin accounting for 40% of the essential oil. γ-irradiation at a dose of 60 Gy did not bring about any detectable qualitative and quantitative changes in the aroma constituents of the spice immediately after irradiation.
ISSN:0963-9969
1873-7145
DOI:10.1016/S0963-9969(97)00010-0