Table 3.
Chemical Shift (ppm) a | Discriminating Metabolites | Percentage (%) Change in Metabolite Concentration with Respect to Control | |||
---|---|---|---|---|---|
Aleurone (1 h) | Aleurone (2 h) | Bran (1 h) | Bran (2 h) | ||
1.32 | Lactate | 97 | 109 | 94 | 187 |
3.24 | Betaine | −47 | −43 | −27 | −27 |
1.52 | Alanine | 43 | 40 | 52 | 61 |
2.16, 2.20 | NAA/NAAG b | 65 | 59 | 78 | 110 |
2.52, 2.56, 2.64, 2.68 | Citrate | 24 | - | - | - |
7.56, 7.84 | Hippurate | - | 35 | - | - |
3.48, 3.52, 3.60 | Unknown | - | - | 66 | - |
1.28 | 3-hydroxyisovalerate | - | - | 69 | 70 |
1.36 | 2-hydroxyisobutyrate | - | - | - | 27 |
3.68 | Unknown | - | - | 18 | 34 |
3.88 | Unknown | - | - | 25 | 41 |
a Chemical shifts having a variable importance in projection (VIP) value greater than 1 with 95% confidence (Jack-knifing (JK)) were considered as most important; b NAA: N-acetylaspartate; NAAG: N-acetylaspartylglutamate.