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. 2025 May 19;41(5):455–475. doi: 10.1007/s43188-025-00287-y

Table 4.

Results of the between laboratory validation study

No. Test substance Lab 1 Lab 2 Lab 3 Concordance LLNA result
CDR LDR Result CDR LDR Result CDR LDR Result
Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD
1 p-Benzoquinone 100.0 0.0 90.2 4.0 S 98.2 1.9 96.0 0.0 S 100.0 0.0 81.8 8.7 S Yes S
2 Lauryl gallate – – – – - 12.7 1.5 94.5 0.4 S 48.7 37.6 88.3 2.0 S No S
3 Chloramine T trihydrate 96.3 0.9 97.5 0.1 S 97.1 0.9 94.2 0.1 S 99.2 0.6 96.8 0.5 S Yes S
4 4-(Methylamino)phenol sulfate 97.2 0.2 88.8 2.3 S 99.8 0.3 99.5 0.4 S 96.5 2.4 99.8 0.2 S Yes S
5 2-Mercaptobenzothiazole 35.0 1.5 9.3 4.3 S 33.6 0.8 6.0 6.0 S 36.9 7.7 0.0 0.0 S Yes S
6 Dihydroeugenol 1.1 0.8 3.9 0.8 NS 6.0 0.2 3.5 2.4 NS 0.7 0.4 0.0 0.0 NS Yes S
7 Palmitoyl chloride 7.6 5.1 8.5 1.9 NS 23.2 2.4 40.7 1.3 S 7.0 4.6 0.0 0.0 NS No S
8 Benzyl salicylate 4.4 0.1 3.4 0.4 NS 0.7 0.7 4.2 4.2 NS 0.9 0.9 0.0 0.0 NS Yes S
9 Cinnamaldehyde 62.0 0.3 18.9 5.0 S 51.5 0.9 5.5 1.4 S 49.9 1.2 0.0 0.0 S Yes S
10 Farnesal 56.6 30.8 10.3 3.7 S 97.4 2.7 9.1 2.7 S 92.8 4.6 0.0 0.0 S Yes S
11 Imidazolidinyl urea 0.0 0.0 53.6 2.0 S 2.2 2.2 37.2 0.6 S 0.0 0.0 26.6 17.9 S Yes S
12 Ethyl acrylate 99.7 0.1 16.2 2.9 S 24.3 2.8 0.8 0.8 S 30.0 9.8 0.0 0.0 S Yes S
13 Benzyl cinnamate 1.8 0.3 4.4 1.9 NS 5.0 1.6 2.0 2.0 NS 0.0 0.0 0.0 0.0 NS Yes S
14 Salicylic acid 2.4 1.0 7.1 3.3 NS 6.4 0.1 2.6 2.6 NS 0.2 0.1 0.0 0.0 NS Yes NS
15 Benzyl alcohol 1.6 1.5 3.3 0.8 NS 0.0 0.0 4.5 4.5 NS 2.0 0.8 0.0 0.0 NS Yes NS
16 Glycerol 0.4 0.1 0.6 0.4 NS 2.9 0.7 2.1 2.1 NS 18.2 13.9 0.0 0.0 S No NS
17 Isopropanol 3.8 0.6 1.1 1.1 NS 4.2 0.8 3.5 3.5 NS 0.1 0.1 0.0 0.0 NS Yes NS
18 Dimethyl isophthalate 3.0 1.4 4.0 4.0 NS 2.1 2.1 10.8 2.1 NS 0.1 0.1 0.0 0.0 NS Yes NS
19 Methyl salicylate 6.4 0.6 3.9 1.6 NS 3.0 1.1 7.3 6.3 NS 1.7 1.6 0.9 0.9 NS Yes NS
20 4-Aminobenzoic acid 2.5 0.5 91.1 5.1 S 2.1 2.1 62.0 25.7 S 1.2 0.5 95.4 4.7 S No NS
Reproducibility (%) 85.0

CDR cysteine depletion rate, LDR lysine depletion rate