| Taste threshold†(mg/100 g) | TAV | |
---|---|---|---|
 |  | Welsh onion leaves | Fresh onion leaves |
Sugars# | |||
d-glucose | 1.62 | 0.56 | 0.56 |
Fructose | 0.94 | 1.18 | 1.04 |
Sucrose | 0.82 | 0.43 | 0.28 |
Organic acids | |||
L-tartaric acid | 1.5 | 21.02 | 8.64 |
Formic acid | 200.0 | 0.07 | 0.07 |
L-malic acid | 49.6 | 14.88 | 12.34 |
Lactic acid | 126.0 | 0.12 | 0.12 |
Acetic acid | 10.6 | 2.46 | 2.96 |
Citric acid | 45.0 | 1.00 | 0.78 |
Succinic acid | 10.6 | 0.66 | 0.29 |
Free amino acids | |||
L-aspartate | 100.0 | 0.10 | 0.05 |
L-glutamate | 30.0 | 0.20 | 0.25 |
L-serine | 150.0 | 0.34 | 0.23 |
Glycine | 130.0 | 0.01 | 0.00 |
L-histidine | 20.0 | 0.06 | 0.05 |
L-arginine | 50.0 | 0.05 | 0.02 |
L-threonine | 260.0 | 0.02 | 0.01 |
L-alanine | 60.0 | 0.15 | 0.08 |
L-proline | 300.0 | 0.01 | 0.01 |
L-tyrosine | 884.0 | 0.00 | 0.00 |
L-valine | 40.0 | 0.12 | 0.06 |
L-methionine | 30.0 | 0.17 | 0.14 |
L-isoleucine | 90.0 | 0.12 | 0.10 |
L-leucine | 190.0 | 0.03 | 0.02 |
L-phenylalanine | 90.0 | 0.10 | 0.10 |
L-lysine | 50.0 | 0.07 | 0.06 |
5'-Guanylate | 12.5 | 0.03 | 0.05 |