Table 2 Changes in the salinity (%) and reducing sugar content (mg/g) of film-packaged cubed radish kimchi during storage under altering temperature conditions
Quality parameter | Treatment | Storage time (day) | Levels of significance7) |
0 | 3 | 6 | 10 | 14 | 21 | 31 | 38 | 46 |
Salinity | Control1) | 1.9±0.25)Aa6) | 1.9±0.2Aa | 1.9±0.2Aa | 1.9±0.2Aa | 1.9±0.2Aa | 1.9±0.2Aa | 1.8±0.2Aa | 1.8±0.2Aa | 1.9±0.2Aa | Film type | * |
HABF2) | 1.9±0.2Aa | 2.0±0.1Aa | 1.9±0.2Aa | 2.0±0.1Aa | 2.0±0.2Aa | 1.9±0.2Aa | 1.9±0.1Aa | 2.0±0.1Aa | 2.0±0.2Aa | Storage time | NS |
PABF3) | 1.9±0.2Aa | 2.0±0.2Aa | 1.9±0.2Aa | 2.0±0.2Aa | 1.8±0.1Aa | 2.0±0.1Aa | 2.0±0.1Aa | 2.0±0.1Aa | 1.9±0.2Aa | Film type × Storage time | NS |
ODVF4) | 1.9±0.2Aa | 1.9±0.2Aa | 1.9±0.1Aa | 1.8±0.1Aa | 1.9±0.1Aa | 2.0±0.2Aa | 1.8±0.2Aa | 1.8±0.2Aa | 1.8±0.1Aa |
|
Reducing sugar content | Control | 50.2±2.2Aa | 47.7±1.8Aab | 45.1±2.6Ab | 39.3±3.2Ac | 29.1±3.6Ad | 32.3±2.3Ad | 29.5±2.6Ad | 28.1±3.6Ad | 29.5±2.7Ad | Film type | NS |
HABF | 50.2±2.2Aa | 47.9±2.6Aa | 46.7±2.4Aa | 37.6±3.4Ab | 31.7±2.8Ac | 31.6±2.7Ac | 30.8±2.8Ac | 30.2±1.1Ac | 30.3±2.8Ac | Storage time | *** |
PABF | 50.2±2.2Aa | 46.8±4.0Aab | 44.2±2.7Abc | 38.9±3.6Ac | 32.9±3.2Ad | 29.8±2.8Ad | 32.0±3.4Ad | 27.2±3.0Ad | 29.7±3.0Ad | Film type × Storage time | NS |
ODVF | 50.2±2.2Aa | 47.8±2.2Aa | 45.6±1.4Aa | 40.0±3.7Ab | 31.4±3.1Ac | 30.1±1.8Ac | 31.6±2.9Ac | 28.8±2.6Ac | 26.8±2.8Ac |
Control, multilayer airtight film.
HABF, half-area breathable film.
PABF, partial area breathable film.
ODVF, one-way degassing valve-mounted film.
Each value is mean SD.
Mean values in the same column (A) or row (a-d) followed by different letters are significantly different according to Duncan’s multiple range test (p<0.05).
Level of significance: NS, not significant (p>0.05); * p<0.05; *** p<0.001.