Table 1.
The variation of purine alkaloid content of ZC × RY F1 population
| Composition | Season | RY (mg·g−1) |
ZC (mg·g−1) |
F1 offspring | ||||
|---|---|---|---|---|---|---|---|---|
| Range (mg·g−1) |
Mean ± SD (mg·g−1) |
CV (%) |
Skewness | Kurtosis | ||||
| Theacrine | Spring | 21.32 ± 0.19 | 0.00 ± 0.00 | 0.00–32.49 | 13.22 ± 12.68 | 95.95 | −1.93 | −0.03 |
| Autumn | 23.65 ± 0.06 | 0.00 ± 0.00 | 0.00–27.91 | 11.71 ± 11.49 | 98.14 | −1.96 | −0.01 | |
| Caffeine | Spring | 12.41 ± 1.38 | 34.61 ± 0.34 | 2.24–38.89 | 20.03 ± 12.97 | 64.77 | −1.86 | 0.10 |
| Autumn | 8.81 ± 0.82 | 29.71 ± 0.36 | 5.71–37.92 | 20.07 ± 11.85 | 59.08 | −1.90 | 0.08 | |
| Theobromine | Spring | 11.80 ± 1.39 | 6.25 ± 0.06 | 0.87–16.18 | 7.82 ± 3.16 | 40.36 | −0.29 | 0.16 |
| Autumn | 16.30 ± 0.54 | 10.22 ± 0.11 | 2.25–16.65 | 9.36 ± 2.88 | 30.79 | −0.33 | 0.06 | |