Supplementary Table 2. Properties and grades of Syrups used in the study
Syrup Code / % Light Transmittance / Fluorescence (E360-F460) / Density (g/mL) / pH / % Sugar (°Brix) / Glucose content(g / L) / Fructose content
(g / L) / Glucose : Fructose Ratio / Total Reducing Sugars (g/L) / Proposed IMSI Syrup Classification / Current Canadian Syrup Classification
1 / 65.50 / 880.333 / 1.305 / 7.37 / 67.10 / 0.763 / 0.559 / 1.365 / 1.322 / Out. / Amber / Canada No. 1 Light
2 / 70.70 / 688.667 / 1.307 / 6.98 / 67.10 / 0.460 / 0.359 / 1.281 / 0.819 / Amber / Canada No. 1 Light
3 / 45.20 / 1778.667 / 1.302 / 7.40 / 67.00 / 0.490 / 0.317 / 1.548 / 0.807 / Dark / Canada No. 1 Medium
4 / 17.80 / 2093.000 / 1.309 / 6.82 / 68.50 / 1.493 / Out. / 0.370 / 4.029 / 1.863 / Out. / Very Dark / Canada No. 3 Dark
5 / 40.70 / 1153.000 / 1.312 / 7.49 / 68.30 / 0.356 / 0.279 / 1.276 / 0.635 / Out. / Dark / Canada No. 2 Amber
6 / 64.50 / 652.667 / 1.304 / 7.17 / 66.20 / 0.503 / 0.366 / 1.376 / 0.868 / Amber / Canada No. 1 Light
7 / 43.60 / 1378.667 / 1.304 / 6.82 / 65.90 / 0.874 / -# / - / - / Dark / Canada No. 2 Amber
8 / 34.20 / 1258.000 / 1.311 / 6.74 / 68.20 / 0.892 / -# / - / - / Dark / Canada No. 2 Amber
9 / 39.40 / 1759.667 / 1.312 / 7.00 / 67.20 / 0.867 / 0.018 / 47.272 / 0.886 / Dark / Canada No. 2 Amber
10 / 5.10 / 3571.333 / 1.310 / 6.34 / 67.20 / 0.888 / 0.007 / 119.867 / 0.895 / Very Dark / Canada No. 3 Dark
11 / 35.70 / 1565.667 / 1.317 / 5.82 / Out. / 68.10 / 0.876 / -# / - / - / Dark / Canada No. 2 Amber
12 / 66.70 / 628.667 / 1.300 / 7.50 / 66.60 / 0.493 / 0.372 / 1.327 / 0.865 / Amber / Canada No. 1 Light
13 / 30.70 / 2682.000 / 1.310 / 5.95 / Out. / 67.10 / 0.889 / -# / - / - / Dark / Canada No. 2 Amber
14 / 54.70 / 956.000 / 1.305 / 6.71 / 68.10 / 0.818 / -# / - / - / Amber / Canada No. 1 Medium
15 / 42.30 / 1306.333 / 1.308 / 6.83 / 67.40 / 0.875 / 0.014 / 61.628 / 0.889 / Dark / Canada No. 2 Amber
16 / 25.20 / 1488.500 / 1.301 / 6.64 / 66.20 / 0.897 / 0.000 / -3708.994 / 0.897 / Dark / Canada No. 3 Dark
17 / 12.60 / 2858.000 / 1.310 / 6.73 / 66.70 / 0.894 / 0.000 / 5339.240 / 0.894 / Very Dark / Canada No. 3 Dark
18 / 52.90 / 984.667 / 1.306 / 7.33 / 68.20 / 0.442 / 0.360 / 1.228 / 0.802 / Amber / Canada No. 1 Medium
19 / 24.10 / 1769.333 / 1.315 / 7.36 / 69.15 / 0.493 / 0.368 / 1.341 / 0.861 / Very Dark / Canada No. 3 Dark
20 / 10.00 / 3717.333 / 1.304 / 7.18 / 68.20 / 0.869 / -# / - / - / Very Dark / Canada No. 3 Dark
21 / 0.60 / 6106.500 / Out. / 1.312 / 5.72 / Out. / 67.50 / ‡ / ‡ / ‡ / ‡ / Very Dark / Canada No. 3 Dark
22 / 1.00 / 6718.000 / Out. / 1.297 / 5.30 / Out. / 64.10 / Out. / 0.794 / 0.049 / 16.270 / 0.843 / Very Dark / Canada No. 3 Dark
23 / 65.50 / 1323.667 / 1.300 / 7.10 / 66.50 / 0.788 / 0.097 / 8.149 / 0.884 / Amber / Canada No. 1 Light
24 / 34.60 / 3146.500 / 1.304 / 6.80 / 67.90 / 0.883 / 0.010 / 90.181 / 0.892 / Dark / Canada No. 2 Amber
25 / 8.10 / 4920.000 / 1.300 / 6.02 / 66.70 / 0.840 / 0.019 / 43.689 / 0.859 / Very Dark / Canada No. 3 Dark
26 / 8.00 / 4503.000 / 1.305 / 6.70 / 66.20 / 1.755 / Out. / - # / - / - / Very Dark / Canada No. 3 Dark
27 / 60.20 / 758.000 / 1.305 / 7.01 / 66.20 / 0.683 / 0.213 / 3.203 / 0.896 / Amber / Canada No. 1 Medium
28 / 12.90 / 2422.000 / 1.301 / 6.83 / 66.70 / 0.890 / 0.023 / 38.783 / 0.913 / Very Dark / Canada No. 3 Dark
29 / 37.20 / 1305.000 / 1.310 / 6.79 / 68.20 / 0.841 / 0.013 / 64.491 / 0.854 / Dark / Canada No. 2 Amber
30 / 26.60 / 770.500 / 1.308 / 7.01 / 66.60 / 0.103 / 0.049 / 2.096 / 0.152 / Out. / Dark / Canada No. 3 Dark
31 / 29.80 / 1785.500 / 1.315 / 6.91 / 68.30 / 1.885 / Out. / - # / - / - / Dark / Canada No. 2 Amber
32 / 50.30 / 1127.500 / 1.308 / 6.81 / 67.60 / 0.885 / 0.009 / 99.971 / 0.894 / Amber / Canada No. 1 Medium
33 / 64.90 / 692.500 / 1.306 / 6.81 / 66.30 / 0.869 / 0.042 / 20.730 / 0.911 / Amber / Canada No. 1 Light
34 / 66.40 / 701.500 / 1.309 / 7.24 / 68.20 / 0.590 / 0.294 / 2.009 / 0.884 / Amber / Canada No. 1 Light
35 / 54.50 / 908.500 / 1.310 / 7.17 / 67.30 / 0.746 / 0.135 / 5.524 / 0.881 / Amber / Canada No. 1 Medium
36* / 71.90 / 711.000 / 1.289 / 6.53 / 62.70 / 0.866 / 0.021 / 41.502 / 0.887 / Amber / Canada No. 1 Light
37* / 43.50 / 1449.500 / 1.301 / 5.03 / 65.10 / 0.869 / 0.023 / 37.308 / 0.892 / Dark / Canada No. 2 Amber
Average / 37.206 / 2010.262 / 1.307 / 6.811 / 67.221 / 0.814 / 0.167 / 87.265 / 0.891
Min / 0.600 / 628.667 / 1.297 / 5.300 / 64.100 / 0.103 / 0.000 / -3708.994 / 0.152
Max / 70.700 / 6718.000 / 1.317 / 7.500 / 69.150 / 1.885 / 0.559 / 5339.240 / 1.863
SD / 21.622 / 1562.010 / 0.005 / 0.517 / 0.992 / 0.349 / 0.172 / 1297.892 / 0.266
Variance / 467.497 / 2439875.345 / 0.000 / 0.267 / 0.984 / 0.122 / 0.029 / 1684522.793 / 0.071
* Syrup code 36 and 37 are Norway maple and Walnut syrup respectively. Excluded from the statistical analysis;
# Levels below assay detection limit;
‡ Not evaluated;
Out. Outliers excluded from correlation analysis
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