Table 2 Change on the free sugar (sucrose, glucose, and fructose) contents in Prunus mume sugar extracts stored at 4 and 25°C during storage periods
| Sugar (mg/mL) | Sample1) | Storage period (mon) |
| 1 | 3 | 5 | 7 | 9 |
| Sucrose | PM-25 | 583.69±34.98aA | 243.07±35.09bB | 234.96±16.83bB | 169.60±38.26bC | 142.71±11.66bC |
| PM-25P | 570.80±79.36aA | 055.63±3.25cC | 204.28±71.53bB | 118.98±3.21bcBC | 093.95±2.46cC |
| PM-4 | 703.84±207.5aA | 449.88±11.18aB | 462.25±21.25aB | 523.95±136.96aAB | 587.86±44.45 aAB |
| PM-4P | 663.96±59.83aA | 426.41±1.97aC | 441.15±13.10aC | 582.87±70.70aB | 550.54±1.55aB |
| Glucose | PM-25 | 052.76±4.74bD | 165.99±6.82bC | 241.58±6.66bB | 330.98±55.96bA | 336.56±46.76bA |
| PM-25P | 069.33±5.40aC | 264.81±15.52aB | 322.15±19.39aB | 467.70±95.40aA | 509.53±18.74aA |
| PM-4 | 033.34±8.64cC | 071.36±3.44dB | 101.98±4.67dA | 113.01±34.32cA | 124.13±1.72cA |
| PM-4P | 014.15±1.31dD | 095.57±0.41cB | 144.10±0.67cA | 083.20±0.74cC | 141.44±3.89cA |
| Fructose | PM-25 | 095.86±4.17aD | 274.20±12.32bC | 443.51±9.75aB | 594.01±107.33aA | 606.37±90.04aA |
| PM-25P | 039.66±5.68bD | 400.14±21.97aC | 478.83±66.98aBC | 628.15±160.97aAB | 669.91±119.37aA |
| PM-4 | 046.21±8.67bC | 122.65±7.81cB | 183.55±10.00bA | 199.47±58.98bA | 223.93±4.57bA |
| PM-4P | 010.37±3.1cD | 089.01±2.96dC | 145.86±3.28bB | 141.94±0.68bB | 201.26±38.40bA |
1) PM-25: Storage at 25°C without pressure plate, PM-25P: Storage at 25°C with pressure plate, PM-4: Storage at 4°C without pressure plate, PM-4P: Storage at 4°C with pressure plate.
A-D Values with different letter within a same row differ significantly by Duncan's multiple range test (p<0.05).
a-d Values with different letter within a same column differ significantly by Duncan's multiple range test (p<0.05).
Values are means±SD (n=3).