Table 4 Physicochemical properties of pork patties with addition Cudrania tricuspidata leaf by various extracts
| Variable | Parameters1) |
| pH | L* | a* | b* | TBARS | POV |
| TRT storage | NS | NS | NS | NS | *** | NS |
| Treatment2) | NS | *** | *** | *** | *** | *** |
| Storage | * | NS | * | NS | *** | * |
| Treatment |
| CTL | 5.81 | 60.12a | 8.37b | 9.08d | 1.53a | 7.27a |
| REF | 5.86 | 57.39b | 11.11a | 9.38cd | 0.21b | 1.69c |
| TRT1 | 5.80 | 51.62c | 3.22d | 12.71b | 0.21b | 7.37a |
| TRT2 | 5.81 | 49.92c | 1.56e | 14.21a | 0.25b | 8.38a |
| TRT3 | 5.76 | 52.35c | 5.56c | 10.36c | 0.22b | 3.52b |
| Storage time (days) |
| 0 | 5.74c | 52.97 | 7.10a | 11.47a | 0.31d | 5.04b |
| 3 | 5.83ab | 53.25 | 7.17a | 10.60a | 0.39cd | 5.31b |
| 7 | 5.76b | 54.66 | 6.31a | 11.04a | 0.48bc | 5.03b |
| 10 | 5.82ab | 55.04 | 4.76b | 11.10a | 0.58ab | 6.89a |
| 14 | 5.90a | 55.49 | 4.47b | 11.53a | 0.68a | 5.96ab |
a–d Means with different superscript letters in a same column indicate significant differences at p<0.05.
1) Parameters: L, lightness; a, redness; b, yellowness; TBARS, thiobarbituric acid reactive substances (mg MDA/kg); POV, peroxides value (meq/kg).
2) Treatment: CTL, patties without addition; REF, 0.1 g/100 g of ascorbic acid; TRT1, 1.0 g/ 100 g leaves powder by methanol 80% extraction; TRT2, 1.0 g/ 100 g leaves powder by ethanol 80% extraction; TRT3, 1.0 g/ 100 g leaves powder by dd-water extraction.
* p<0.05,
*** p<0.001.
NS, not significant.