Table 3. The contents of free sugar and organic acid in ‘Yakju’ made with white rice flour ‘Nuruk’ or ‘Yakju’ made with pigmented rice flour ‘Nuruk’
(mg%)

Component WY1) PY t-value p-value
Free sugar Glucose 119.12±9.232) 190.03±15.90 0.001 0.142
Maltose ND3) 15.98±2.08 - -
Total 119.12 206.01
Organic acid Oxalic acid 79.19±25.77 75.82±2.70 0.226 0.024*4)
Malic acid 143.28±10.67 61.65±4.41 12.241 0.135
Lactic acid 105.76±19.03 148.11±1.37 −3.844 0.053
Acetic acid 252.41±23.93 304.73±12.97 −3.330 0.214
Citric acid 122.32±5.63 91.22±35.65 1.492 0.030*
Succinic acid 318.72±41.71 544.34±2.63 −9.350 0.020*
Total 1,021.69‬ 1,225.87
WY, ‘Yakju’ made with white rice flour ‘Nuruk’; PY, ‘Yakju’ made with pigmented rice flour ‘Nuruk’.
All values are mean±SD (n=3).
Not detected.
p<0.05.