Table 1.
MeanA values for the chemical compositions and pasting viscosity characteristics of yellow-fleshed potato flours.
VarietyB | ProteinC | LipidC | AshC | CarbohydrateD | Pasting viscosity (RVU) |
| |
TotalD | StarchE | NSCF | Peak | Trough | Breakdown | Final | Setback |
YKG | 10.3±0.4ab | 0.7±0.1ab | 4.3±0.1d | 84.7±0.3b | 62.2±0.8b | 22.5±1.0a | 511.8±7.2d | 433.3±8.3b | 78.6±1.1c | 590.8±2.1b | 157.5±6.2b |
GEM | 10.0±0.0ab | 0.6±0.0ab | 5.1±0.0a | 84.3±0.0ab | 62.0±0.4b | 22.3±0.4a | 446.2±0.9e | 445.1±1.8a | 1.2±0.8d | 641.5±0.6a | 196.5±1.1a |
VIC | 7.8±0.4ab | 0.8±0.1a | 4.5±0.1c | 87.0±0.4ab | 63.3±0.4b | 23.7±0.9a | 531.4±3.7c | 321.0±1.0e | 210.4±2.8b | 406.1±2.9e | 85.1±1.8d |
INN | 6.0±0.1c | 0.5±0.1b | 3.9±0.0e | 89.6±0.1a | 67.8±0.5a | 21.9±0.7a | 581.3±4.5a | 233.1±1.5f | 348.3±3.0a | 309.9±2.6f | 76.8±1.1e |
SET | 7.7±3.3ab | 0.8±0.2a | 4.7±0.0b | 86.9±3.5ab | 59.0±0.8b | 27.9±4.2a | 393.0±2.4f | 390.5±0.6c | 2.6±1.8d | 520.9±0.6c | 130.4±0.1c |
SIG | 13.1±0.0a | 0.6±0.1ab | 5.2±0.1a | 81.2±0.1c | 70.3±4.2a | 10.9±4.1b | 558.9±5.7b | 353.6±2.8d | 205.3±2.8b | 442.0±1.6d | 88.4±4.4d |
Mean value of two measurement; values within a column sharing a common letter are not significantly different (p<0.05).
YKG; Yukon Gold, VIC; Victoria, INN; Innovator, SET; Setina, SIG; Sierra Gold.
g/100 g of potato flour (dry weight basis).
Determined as follows: 100 - (protein + lipid+ ash).
Determined according to AACC method 76.13 using a Megazyme Total Starch Analysis kit.
Non-starch carbohydrate; calculated by subtracting starch content from the carbohydrate content.