S. No. Odorants LSER solvation parameters Molecular weight (g) Concentrations used in
Fish freshness markers
1 1-Pentanol (1PTL) 0.219 0.42 0.37 0.48 3.106 88.15 1–100 ppb
2 1-Hexanol (1HXL) 0.21 0.42 0.37 0.48 3.61 102.18 1–100 ppb
3 1-Octanol (1 OCL) 0.199 0.42 0.37 0.48 4.619 130.23 1–100 ppb
Fish spoilage markers
4 Trimethylamine (TMA) 0.14 0.2 0 0.67 1.62 59.11 1–500 ppm
5 Methyl mercaptan (MM) 0.40 0.60 0 0.12 1.64 48.11 1–500 ppm
6 Ethanol (ET) 0.246 0.42 0.37 0.48 1.485 46.07 1–500 ppm
7 1-Propanol (1PPL) 0.236 0.42 0.37 0.48 2.031 60.10 1–500 ppm
8 1-Butanol (1BTL) 0.224 0.42 0.37 0.48 2.601 74.12 1–500 ppm
9 2-Butanone (2BTN) 0.166 0.7 0 0.51 2.287 72.11 1–500 ppm
10 Acetone (AC) 0.179 0.7 0.04 0.49 1.696 58.08 91–910 ppb
11 Methy ethyl ketone (MEK) 0.166 0.7 0 0.51 2.287 72.11 44–440 ppb
12 Toluene (TO) 0.601 0.52 0 0.14 3.325 92.14 156–1560 ppb
13 Ethyl benzene (EB) 0.613 0.51 0 0.15 3.778 106.2 1.1–110 ppb
14 m-Xylene (MX) 0.623 0.52 0 0.16 3.839 106.2 1.1–111 ppb
15 p-Xylene (PX) 0.613 0.52 0 0.16 3.839 106.2 1.1–112 ppb
16 o-Xylene (OX) 0.663 0.56 0 0.16 3.939 106.2 0.6–60 ppb
17 Styrene (ST) 0.849 0.65 0 0.16 3.856 104.15 1.2–120 ppb