Table 2 Saccharide composition of onion epidermal wall pre-extracted with chloroform and met/TFA/Saeman’s hydrolysis
µg/mg dry weight | % | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Trial 1 | Trial 2 | Trial 3 | mean | Total | ||||||
Chl + mTFA | Sae | Chl + mTFA | Sae | Chl + mTFA | Sae | Chl + mTFA | Sae | |||
Glc | 26.15 | 360.28 | 7.57 | 151.44 | 20.2 | 172.6 | 18.0 (4.5) | 228.1 (54.2) | 246.1 | 34 |
GalA | 422.66 | 16.00 | 144.28 | 65.46 | 320.4 | 22.1 | 295.8 (66.4) | 34.5 (12.7) | 330.3 | 45 |
Gal | 101.77 | 5.01 | 4.42 | 4.84 | 114.0 | 4.3 | 73.4 (28.3) | 4.7 (0.2) | 78.1 | 11 |
Xyl/Man* | 44.27 | 17.05 | 4.57 | 11.80 | 38.0 | 8.7 | 29.0 (10.1) | 12.5 (2.0) | 41.5 | 6 |
Rha | 15.49 | 0.67 | 1.98 | 0.76 | 14.4 | 0.7 | 10.6 (3.5) | 0.7 (0.02) | 11.3 | 2 |
Ara | 15.78 | 0.67 | 0.83 | 0.72 | 11.3 | 0.7 | 9.3 (3.6) | 0.7 (0.02) | 10.0 | 1 |
Fuc | 4.97 | 6.72 | 3.81 | 0.00 | 4.4 | 0.0 | 4.4 (0.3) | 2.2 (1.8) | 6.6 | 1 |
GlcA | 1.9 | 0.0 | 0.0 | 0.0 | 5.0 | 0.0 | 2.3 (1.3) | 0.0 (0.0) | 2.3 | 0.3 |
Total | 633.0 | 406.4 | 167.5 | 235.0 | 527.8 | 209.1 | 442.8 | 283.5 | 726.3 | 100 |