Table 1 Saccharide composition of onion epidermal wall by met/TFA/Saeman’s hydrolysis
µg/mg dry weight | % | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Trial 1 | Trial 2 | Trial 3 | Mean | Total | ||||||
mTFA | Sae | mTFA | Sae | mTFA | Sae | mTFA | Sae | |||
Glc | 6.9 | 21.6 | 13.1 | 144.9 | 17.1 | 186.3 | 12.3 (2.3) | 117.6 (19.8) | 130.0 | 24 |
GalA | 183.5 | 16.5 | 255.5 | 8.5 | 321.3 | 29.0 | 253.4 (23.1) | 18.0 (2.4) | 271.5 | 51 |
Gal | 64.4 | 1.9 | 52.0 | 2.8 | 87.0 | 4.5 | 67.8 (7.2) | 3.0 (0.6) | 70.9 | 13 |
Xyl/Man* | 27.8 | 6.7 | 21.7 | 7.6 | 29.5 | 8.8 | 26.3 (1.8) | 7.7 (0.4) | 34.0 | 6 |
Rha | 14.8 | 0.5 | 5.4 | 1.0 | 12.9 | 1.0 | 11.0 (1.9) | 0.8 (0.1) | 11.9 | 2 |
Ara | 8.0 | 0.2 | 5.1 | 1.0 | 11.1 | 0.8 | 8.1 (1.2) | 0.6 (0.2) | 8.7 | 2 |
Fuc | 3.1 | 0.3 | 2.4 | 1.5 | 4.1 | 1.6 | 3.2 (0.4) | 1.1 (0.4) | 4.4 | 1 |
GlcA | 0.8 | 0.0 | 0.0 | 0.0 | 1.8 | 0.0 | 0.9 (0.3) | 0.0 (0.0) | 0.9 | 0.2 |
Total | 309.3 | 47.7 | 355.1 | 167.3 | 485.0 | 232.0 | 383.1 | 149.0 | 532.1 | 100 |