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Table 1 Chemical composition (%) of LEOs extracted by hydrodistillation (HD) and ultrasound-assisted microextraction (UAME)

From: Rapid determination of S-(+)-linalool in leaf of Cinnamomum osmophloeum ct. linalool using ultrasound-assisted microextraction

AIa rAIb Compound HD-EO UAME-EO Identification methodc
932 932 α-Pinene 0.2 ± 0.0   AI, MS, ST
988 988 β-Myrcene 0.1 ± 0.0 0.2 ± 0.0 AI, MS
1028 1024 Limonene 0.3 ± 0.0   AI, MS
1034 1032 cis-β-Ocimene 0.1 ± 0.0 0.2 ± 0.0 AI, MS
1044 1044 trans-β-Ocimene   0.2 ± 0.0 AI, MS
1085 1084 trans-Linalool oxide (furanoid) 0.1 ± 0.0 0.3 ± 0.0 AI, MS
1100 1095 S-(+)-Linalool 97.8 ± 0.1 70.4 ± 0.6 AI, MS, ST
1194 1186 α-Terpineol 0.1 ± 0.0   AI, MS
1197 1195 4-Allylanisole 0.2 ± 0.0 0.2 ± 0.0 AI, MS
1270 1267 trans-Cinnamaldehyde 0.9 ± 0.2 2.2 ± 0.4 AI, MS, ST
1429 1432 Coumarin   26.1 ± 0.4 AI, MS, ST
   Monoterpenes hydrocarbons (%) 0.7 0.6  
   Oxygenated monoterpenes (%) 98.0 70.7  
   Other (%) 1.1 28.5  
   Total identified (%) 99.8 99.8  
  1. Data were presented as mean ± SD (n = 3)
  2. aArithmetic index
  3. bReference arithmetic index
  4. cCompound identified by arithmetic index (AI), mass spectrum (MS), and standard compound (ST)