Research Article
Microwave-Assisted Extraction Coupled with Mass Spectrometry for Determining Five Volatile Compounds from Soy Sauces
Table 4
Comparison of the method proposed with the method developed earlier in the analysis of volatiles.
| Ref. | Analyte | Sample type | Extraction and determination method | Preparation sample time (min) | Linear range (ng/mL) | LOD (ng/mL) | RSD (%) |
| [29] | Benzene | Pesticide | HS-GC-MS | — | 3.2–16.0 | — | 0.9–1.9 | Toluene | 3.6–16.0 | 4.9–8.1 | [30] | Toluene | Fruit | HS-SPME-GC-MS | 33 | 0.011–2.91 | 0.011 | 12.5–13 | Styrene | 0.074–8.93 | 0.025 | 10.9–11.3 | [31] | Benzene | Water | HS-GC-MS | — | 0–35.0 | 2 | 5.5–5.6 | Toluene | 0–17.0 | 7.3–12 | [32] | Benzene | Olive oil | LLE–HS–GC-MS | 30 | 1.5–200 | 0.43 | 3.3–4.0 | Toluene | | 0.42 | 2.8–3.6 | Styrene | 1–200 | 0.38 | 1.9–2.6 | [33] | Benzene | Ambient air | TD-GS-MS/MS | 31 | 1–100 | 0.004 | 1–14 | Toluene | 0.0004 | 10–12 | Styrene | 0.004 | 10–16 | [34] | Benzene | Water | SPE-GC | 35 | 8770–35080 | 350–372 | 6.2–9.8 | Toluene | 8670–34080 | 167–234 | 14.3–17.4 | [35] | Benzene | Food | Distillation and isotope | | | | Dilution-HS-GC/MS | 72 | 0–21 | 0.75–2.0 | 3.7–8.7 | | | | [36] | Benzene | Soil | QuEChERS-GC-MS | 21615 | 50–500 | 15 | 2.8–6.1 | Toluene | 0.4 | 1.3–2.7 | This study | Cyclohexane | Soy sauce | ME-HS-GC-MS | 30 | 5–400 | 1.00 | 5.0–10.7 | Benzene | 0.50 | 3.7–8.9 | Toluene | 0.50 | 2.4–10.7 | Chlorobenzene | 0.25 | 1.6–10.7 | Styrene | 0.50 | 1.0–12.5 |
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