Characterization of geosmin as source of earthy odor in different aroma type Chinese liquors.

@article{Du2011CharacterizationOG,
  title={Characterization of geosmin as source of earthy odor in different aroma type Chinese liquors.},
  author={Hai Du and Wenlai Fan and Yan Xu},
  journal={Journal of agricultural and food chemistry},
  year={2011},
  volume={59 15},
  pages={8331-7}
}
Earthy odor is one of the most frequent and serious causes for the aroma deterioration in Chinese liquor, which causes a dirty and dusty impression. The odor in Chinese liquor is similar to that of rice husk, one kind of auxiliary material widely used as a filler in the distillation process. So it is experientially hypothesized that such odor may derive from rice husk. In this paper, the gas chromatography-olfactometry (GC-O) technique and gas chromatography-mass spectrometry (GC-MS) were used… CONTINUE READING

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Journal of agricultural and food chemistry • 2012

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