Table 1.
Changes in sugars (mg/g), scopoletin (mmol/g), polyphenol oxidase (U/mg min), ascorbic acid (µg/g), ascorbate (mM/min mg) and guaiacol peroxidase (μmol/min mg), tocopherol (mg/g), and proteins (mg/mL) during storage of cassava roots of four cultivars (SAN, ORI, IAC, and BRA)
| Sample | Glucose | SD | Fructose | SD2 | Scopoletin | SD3 | PolyPhenol | SD4 | Ascorbic | SD5 | Ascorbate | SD6 | Guaiacol | SD7 | Tocopherol | SD8 | Proteins | SD9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SAN | 35.94c | 1.8 | 26.06c | 1.4 | 25.98d | 2.1 | 4.57d | 0.1 | 0.54d | 0.0 | 1.32d | 0.4 | 0.14d | 0.0 | 5.58a | 0.3 | 60.67a | 0.1 |
| SAN3 | 29.86d | 0.8 | 26.78c | 0.7 | 45.40c | 0.8 | 6.16b | 0.1 | 1.94bc | 1.5 | 25.98b | 0.2 | 1.36b | 0.1 | 0.77d | 0.3 | 66.89a | 0.1 |
| SAN5 | 67.11a | 1.1 | 67.94c | 1.2 | 120.80a | 1.5 | 5.70c | 0.1 | 1.42 cd | 0.1 | 27.90a | 0.3 | 0.52c | 0.0 | 4.04b | 0.5 | 82.82a | 0.1 |
| SAN8 | 55.60d | 2.2 | 62.41b | 2.6 | 125.81a | 0.7 | 3.91e | 0.1 | 3.57a | 0.4 | 28.24a | 0.9 | 1.27b | 0.0 | 2.06c | 0.5 | 65.74a | 0.1 |
| SAN11 | 18.14e | 0.8 | 18.40d | 0.8 | 66.64b | 2.0 | 6.50a | 0.2 | 2.67ab | 0.1 | 7.07c | 0.6 | 3.58a | 0.3 | 0.42d | 0.1 | 36.17a | 0.1 |
| ORI | 15.48c | 0.5 | 13.69c | 0.5 | 18.59d | 2.7 | 4.24b | 0.3 | 0.64b | 0.2 | 12.91d | 1.7 | 0.19e | 0.0 | 0.39b | 0.1 | 39.32b | 0.1 |
| ORI3 | 30.23a | 0.8 | 26.07b | 0.4 | 124.89a | 8.4 | 3.64c | 0.1 | 0.73b | 0.2 | 3.74e | 0.8 | 1.34d | 0.1 | 0.32b | 0.1 | 55.82ab | 0.1 |
| ORI5 | 25.22b | 0.2 | 31.62a | 0.4 | 48.17c | 1.0 | 4.26b | 0.1 | 0.63b | 0.4 | 20.20b | 0.3 | 1.59c | 0.0 | 0.23b | 0.0 | 69.17ab | 0.1 |
| ORI8 | 17.09c | 0.8 | 23.28b | 1.2 | 81.80b | 20.4 | 5.10a | 0.1 | 1.82a | 0.4 | 16.03c | 0.5 | 5.07b | 0.0 | 3.62a | 0.1 | 21.55ab | 0.1 |
| ORI11 | 9.40d | 0.1 | 13.41c | 0.2 | 54.94c | 0.8 | 3.82c | 0.0 | 2.58a | 0.0 | 118.99a | 0.3 | 6.59a | 0.2 | 0.25b | 0.0 | 13.07a | 0.1 |
| IAC | 82.26b | 4.5 | 69.87c | 4.3 | 64.25d | 0.7 | 3.72c | 0.1 | 0.29b | 0.1 | 2.82e | 0.5 | 0.14d | 0.0 | 0.39b | 0.1 | 43.60a | 0.1 |
| IAC3 | 45.74c | 0.8 | 42.72d | 0.9 | 81.81c | 3.7 | 3.40d | 0.1 | 1.25ab | 0.0 | 34.32b | 0.1 | 1.08c | 0.1 | 2.11a | 0.6 | 55.39a | 0.1 |
| IAC5 | 82.08b | 2.8 | 84.25b | 3.1 | 123.90b | 2.2 | 4.54b | 0.0 | 1.05ab | 0.1 | 19.44c | 0.2 | 0.24d | 0.0 | 0.26b | 0.1 | 110.53a | 0.1 |
| IAC8 | 91.77a | 1.7a | 99.80a | 1.7 | 214.00a | 0.3 | 2.98e | 0.1 | 1.04ab | 0.0 | 7.83d | 0.3 | 1.84b | 0.1 | 0.36b | 0.1 | 57.46a | 0.1 |
| IAC11 | 42.23c | 0.9 | 44.65d | 0.7 | 98.10c | 2.0 | 5.04a | 0.1 | 1.33a | 0.4 | 73.73a | 1.8 | 3.45a | 0.1 | 0.35b | 0.1 | 18.24a | 0.1 |
| BRA | 55.91d | 2.1 | 54.19e | 2.1 | 91.46c | 7.6 | 4.19b | 0.4 | 0.63b | 0.5 | 14.01d | 0.3 | 0.22d | 0.0 | 0.21b | 0.0 | 37.39a | 0.1 |
| BRA3 | 87.30c | 1.2 | 81.25d | 1.1 | 92.11c | 3.5 | 3.21d | 0.0 | 2.36a | 0.2 | 31.05b | 0.5 | 0.77c | 0.0 | 0.25b | 0.1 | 56.24a | 0.1 |
| BRA5 | 117.85a | 1.1 | 125.74a | 0.6 | 95.00c | 9.5 | 3.64c | 0.1 | 2.43a | 0.3 | 44.63a | 0.2 | 0.83c | 0.0 | 0.23b | 0.0 | 52.60a | 0.1 |
| BRA8 | 102.35b | 2.0 | 117.27b | 2.3 | 193.96b | 18.2 | 3.70c | 0.0 | 2.64a | 0.2 | 26.46c | 1.1 | 3.11a | 0.1 | 0.25b | 0.0 | 80.04a | 0.1 |
| BRA11 | 88.16c | 5.0 | 111.09c | 6.2 | 223.08a | 5.0 | 6.53a | 0.1 | 3.20a | 0.3 | 9.04e | 0.6 | 1.17b | 0.1 | 2.56a | 0.7 | 27.32a | 0.1 |
Values are represented by means of a minimum of three repetitions (n = 3) followed by standard deviations (SD) of the compounds mentioned above (SD, SD2, SD3, SD4, SD5, SD6, SD7, SD8, and SD9) respectively. Numbers after cultivar name (e.g., SAN3) mean days of storage. Different letters in the columns and for each cultivar mean significant statistical differences during storage period for that cultivar (p < 0.05, Tukey HSD test)