Table 4 Principal component analysis of flavonoid constituents of Xanthoceras sorbifolia leaves.
From: Genome-wide association analysis and gene mining of flavonoids in Xanthoceras sorbifolia
Character/Index | Loadings for each principal component | |||
|---|---|---|---|---|
PCA 1 | PCA 2 | PCA 3 | PCA 4 | |
(+)-Gallocatechin | 0.91 | 0.25 | −0.14 | −0.25 |
(−)-Epigallocatechin | 0.91 | 0.25 | −0.12 | −0.27 |
Total flavonoids | 0.73 | −0.18 | 0.23 | 0.45 |
Myricitrin | 0.12 | 0.82 | 0.33 | −0.25 |
Kaempferol | −0.29 | 0.74 | 0.04 | 0.44 |
Quercetin | −0.47 | 0.73 | −0.05 | −0.02 |
L-Epicatechin | 0.46 | 0.25 | −0.71 | 0.36 |
Rutin | 0.56 | 0.03 | 0.61 | 0.24 |
Eigenvalue | 3.02 | 1.96 | 1.08 | 0.78 |
Cumulative contribution rate | 37.73% | 62.21% | 75.69% | 85.47% |
