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.