Journal
JOURNAL OF ESSENTIAL OIL RESEARCH
Volume 19, Issue 2, Pages 105-109Publisher
ALLURED PUBL CORP
DOI: 10.1080/10412905.2007.9699240
Keywords
Zingiber officinale; Zingiberaceae; essential oil composition; zingiberene; geranial; zingerone; drying effect
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The original aroma compounds responsible for the fresh ginger flavor were isolated by Amberlite XAD-2 chromatography. Ginger oil was isolated by hydrodistillation from fresh ginger. Fresh ginger was dried and the oil was isolated by hydrodistillation from dry ginger (sun-dried and drier-dried). The oils were analyzed by GC and GUMS. It was found that geranial (24.2%) and zingerone (14.2%) were the major compounds in the original aroma of fresh ginger and their contents decreased during processing. It was observed that the hydrocarbon content of the oil increased and the oxygenated compounds decreased as ginger was processed into dry ginger and ginger oil.
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