Table 2.
XRD data of starch samples isolated from the HB cultivars
| Varieties | Diffraction peaks at 2θ values (°)/day spacing (Å) | Crystallinity (%) | ||||
|---|---|---|---|---|---|---|
| 15° | 17° | 18° | 20° | 23° | ||
| Dongqing 18 | 15.00 (5.90) | 17.24 (5.14) | 18.02 (4.92) | 20.12 (4.41) | 23.10 (3.85) | 31.06 ± 1.46d |
| Zangqing 2000 | 15.64 (5.66) | 17.20 (5.15) | 18.15 (4.88) | 20.06 (4.42) | 23.30 (3.81) | 17.38 ± 0.65b |
| Zangqing 25 | 15.14 (5.85) | 17.04 (5.20) | 18.09 (4.90) | 20.03 (4.43) | 23.20 (3.83) | 20.37 ± 0.87bc |
| Black HB | 15.20 (5.82) | 17.44 (5.08) | 17.44 (5.08) | 20.42 (4.35) | 23.36 (3.80) | 11.81 ± 1.26a |
| Dongqing 17 | 15.34 (5.77) | 17.54 (5.05) | 18.28 (4.84) | 20.31 (4.37) | 23.34 (3.81) | 12.66 ± 3.57a |
| Dongqing 11 | 15.42 (5.74) | 17.07 (5.19) | 18.30 (4.84) | 20.07 (4.42) | 22.96 (3.87) | 22.99 ± 2.63c |
All values are the means of triplicate determinations ± SD. The means within columns with different letters are significantly different (p < 0.05).