Skip to main content
. 2018 May 16;16(5):e05243. doi: 10.2903/j.efsa.2018.5243

Table 10.

Descriptive statistics of opium alkaloids MB concentrations (mg/kg whole weight) in poppy seed samples

Substance Group N Mean Min P25 P50 P75 P95a Max
Morphine High‐morphine 362 147 0.05 48.3 129 212 383 596
Low‐morphine 1,210 16.4 0.02 4.50 8.37 15.6 52.8 458
Unknown 367 64.8 0.05 5.90 16.7 71.0 309 630
Total 1,939 50.1 0.02 5.20 11.9 41.4 240 630
Codeine High‐morphine 144 22.7 0.02 0.50 4.77 25.3 52.0 827
Low‐morphine 1,097 2.88 0.03 0.50 1.20 2.50 9.30 202
Unknown 278 7.95 0.02 0.60 1.90 3.90 26.8 262
Total 1,519 5.82 0.02 1.00 1.40 3.14 21.0 827
Morphine equivalents High‐morphine 362 152 0.05 49.7 133 218 390 614
Low‐morphine 1,210 16.9 0.02 4.70 8.60 16.2 55.3 479
Unknown 367 67.2 0.05 6.18 17.4 73.1 318 649
Total 1,939 51.7 0.02 5.2 12.3 43.0 247 649
Thebaine High‐morphine 123 92.5 0.03 11.0 52.0 121 334 783
Low‐morphine 940 3.92 0.01 0.50 1.20 3.00 12.3 373
Unknown 162 8.56 0.01 0.29 0.86 4.20 54.9 128
Total 1,225 13.5 0.01 1.00 1.40 4.10 68.4 783
Oripavine High‐morphine 46 20.0 0.05 0.50 3.50 23.0 n.a. 233
Low‐morphine 15 2.14 0.05 0.05 0.05 0.18 n.a. 27.5
Unknown 23 1.19 0.05 0.05 0.05 2.52 n.a. 7.00
Total 84 11.8 0.10 0.10 1.00 5.00 55.0 233
Noscapine High‐morphine 26 0.13 0.03 0.03 0.05 0.05 n.a. 1.80
Low‐morphine 943 2.08 0.02 0.50 0.50 1.00 6.30 86.9
Unknown 143 0.78 0.02 0.05 0.50 0.50 2.68 27.0
Total 1,112 2.15 0.02 1.00 1.00 1.00 5.10 86.9
Papaverine High‐morphine 26 0.09 0.03 0.03 0.05 0.05 n.a. 1.30
Low‐morphine 273 0.27 0.01 0.03 0.09 0.50 1.15 2.60
Unknown 107 0.19 0.01 0.03 0.05 0.07 0.92 3.20
Total 406 0.34 0.01 0.05 0.10 0.50 1.00 3.20

N: number of samples; n.a.: not applicable; Max: maximum; Min: minimum; P: percentile.

a

The 95th percentile with less than 60 observations may not be statistically robust (EFSA, 2011b) and is therefore not calculated.