Table 4.
Correlation analysis of rice grain components with enzymatic in vitro starch digestibility in meal
| TGW | Starch | Amylose | Protein | TDF | Fat | Ash | TPC | FPC | Acid SPC | Alkali SPC | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RDSM | − 0.60 | − 0.76** | 0.61 | 0.68 | 0.83** | 0.85** | 0.86** | 0.81** | 0.9** | 0.9** | − 0.54 |
| SDSM | 0.75** | 0.83** | − 0.70 | − 0.84** | − 0.72** | − 0.83** | − 0.66 | − 0.87** | − 0.75** | − 0.77** | − 0.47 |
| RSM | 0.15 | 0.28 | − 0.20 | − 0.19 | − 0.44 | − 0.38 | − 0.51 | − 0.31 | − 0.49 | − 0.48 | 0.92** |
| HIM | − 0.20 | − 0.42 | 0.23 | 0.33 | 0.56 | 0.50 | 0.63 | 0.42 | 0.4 | 0.58 | − 0.88** |
**Significant at P < 0.01
TGW thousand grain weight, TDF total dietary fibre, TPC total phenolic content, FPC free phenolic content, Acid SPC acid soluble phenolic content, Alkali SPC alkali soluble phenolic content, RDSM readily digestible starch in meal, SDSM slowly digestible starch in meal, RSM resistant starch in meal, HIM hydrolytic index in meal