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- Title
Characterization of odour-active compounds of sweet orange essential oils of different regions by gas chromatography-mass spectrometry, gas chromatography-olfactometry and their correlation with sensory attributes.
- Authors
Xiao, Zuobing; Ma, Shengtao; Niu, Yunwei; Chen, Feng; Yu, Dan
- Abstract
Volatiles of six sweet orange essential oils with different origins were characterized by descriptive sensory analysis, gas chromatography-mass spectrometry (GC-MS) and gas chromatography-olfactometry (GC-O). Six attributes ( green, fruity, peely, fatty, floral and wood) were selected to assess sweet orange essential oils, in which 64 volatile compounds were detected by GCMS. Monoterpenes constituted the largest chemical group among the volatiles of the essential oils. Thirty-one aroma compounds having more than a 50% detection frequency and large span were selected as major odour active compounds correlated with sensory evaluation assessed by partial least squares regression (PLSR). The correlation result showed α-pinene, sabinene, limonene, δ-terpinolene, hexanal, octanal, decanal and dodecanal were typical aroma compounds, which co-varied with a characteristic aroma of the sweet orange essential oil.
- Subjects
ESSENTIAL oils; ORANGES; ODORS; GAS chromatography/Mass spectrometry (GC-MS); LIMONENE; SENSES
- Publication
Flavour & Fragrance Journal, 2016, Vol 31, Issue 1, p41
- ISSN
0882-5734
- Publication type
Article
- DOI
10.1002/ffj.3268