Table 4.
Relative levels in all tissues of the most abundant compounds detected in red rice rhizome tissues
| Category | Name |
Leaf |
Stem |
Root |
Rhizome zone |
Rhizome tip |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Relative intensity | ±SE | Relative intensity | ±SE | Relative intensity | ±SE | Relative intensity | ±SE | Relative intensity | ±SE | ||
| Sugar |
D-altrose |
1.00 |
1.00 |
23.75 |
18.10 |
4.98 |
1.31 |
1366.02 |
823.61 |
2372.64 |
1093.74 |
| Sugar |
Erythrose |
4.70 |
0.90 |
3.66 |
1.41 |
1.00 |
0.12 |
134.09 |
82.96 |
20.18 |
10.67 |
| Sugar |
Glucose-1-phosphate |
3.74 |
0.55 |
2.61 |
0.94 |
1.00 |
0.29 |
11.85 |
2.95 |
70.13 |
15.38 |
| Organic acids |
4-hydroxymandelic acid |
2.42 |
1.00 |
1.00 |
0.20 |
1.05 |
0.16 |
43.92 |
3.62 |
30.49 |
7.69 |
| Organic acids |
Allantoic acid |
1.00 |
0.64 |
n.d. |
|
n.d. |
|
7.98 |
5.06 |
34.11 |
15.55 |
| Amino acid |
Asparagine |
12.73 |
7.35 |
1.00 |
0.23 |
n.d. |
|
559.05 |
178.00 |
3652.17 |
523.34 |
| Amino acid |
Glutamic acid |
45.19 |
29.00 |
n.d. |
|
1.00 |
1.00 |
659.09 |
226.01 |
9270.69 |
1185.72 |
| Amino acid |
Glutamine |
5.83 |
2.64 |
n.d. |
|
1.00 |
0.45 |
566.25 |
15.75 |
3178.44 |
273.06 |
| Amino acid |
Histidine |
n.d. |
|
n.d. |
|
n.d. |
|
1.00 |
0.21 |
5.96 |
0.53 |
| Amino acid |
L-allothreonine |
5.57 |
1.63 |
1.00 |
0.65 |
n.d. |
|
17.67 |
3.28 |
568.86 |
158.12 |
| Amino acid |
Methionine |
n.d. |
|
n.d. |
|
n.d. |
|
1.00 |
0.28 |
14.61 |
2.28 |
| Amino acid |
N-acetyltryptophan |
n.d. |
|
1.00 |
0.47 |
n.d. |
|
11.26 |
1.25 |
32.54 |
2.09 |
| Amino acid |
Ornithine |
n.d. |
|
n.d. |
|
n.d. |
|
1.00 |
0.43 |
3.04 |
0.26 |
| Amino acid | Proline | 1.00 | 0.74 | n.d. | n.d. | 4.47 | 2.16 | 99.02 | 23.00 | ||
Note: n.d. = not detected. Relative Intensity = relative compound intensity normalized to the lowest value per compound. SE = standard error.