Table 4. Correlation coefficient for antioxidant phytochemical and antioxidant capacity in three selected A. tricolor accessions.
β-carotene (mg kg-1) | Ascorbic acid (mg kg-1) | Total polyphenol content (GAE mg kg-1 dw) | Total flavonoid content (RE mg kg-1 dw) | Total antioxidant capacity (DPPH) (TEAC mg kg-1 dw) | Total antioxidant capacity ABTS+) (TEAC mg kg-1 dw) | |
---|---|---|---|---|---|---|
β-carotene | 0.94** | 0.68* | 0.71* | 0.82** | 0.97** | |
AsA | 0.66* | 0.72* | 0.76* | 0.75* | ||
TPC | 0. 77* | 0.95** | 0.85** | |||
TFC | 0.84** | 0.83** | ||||
TAC (DPPH) | 0.96** |
AsA, Ascorbic acid; TPC, Total polyphenol content; TFC, Total flavonoid content; TAC (DPPH), Total antioxidant capacity (DPPH); TAC (ABTS+), Total antioxidant capacity (ABTS+)
*significant at 5% level
** significant at 1% level, (n = 6)