Table 7. Distance difference of PCA 3D map (Fig. 1) in the grouping of wines with rose petals after 100 days of fermentation and aging, by fermenting agent and petal condition
| Samples1) | Relative comparison samples1) | Distances difference | Pattern discrimination index (%) | p-value |
| A | B | 180,375.31 | 0.76 | 0.00 |
| A | C | 453,378.25 | 3.47 | 0.00 |
| A | D | 848,536.13 | 18.19 | 0.00 |
| B | C | 308,886.91 | 2.01 | 0.00 |
| B | D | 714,427.19 | 18.99 | 0.00 |
| C | D | 773,753.81 | 14.16 | 0.00 |
A & C, EC1118 yeast imported from Canada; B & D, YA07 yeast isolated from traditional makgeolli in domestic; A & B, fresh rose petals; C & D, dried rose petals.