Table 5. Apparent densities (ρ) of porous foods determined using density equation (7) obtained on a CT and dimension or pycnometer technique.
| No | Food item | Apparent density calculated using the density equation (7) (g/cm3) | Apparent density using dimension or pycnometer techniques (g/cm3) | ||
|---|---|---|---|---|---|
|
| |||||
| ρ | SD | ρ | SD | ||
| 1 | French bread | 0.159a | 0.036 | 0.124a | 0.010 |
| 2 | Rye bread | 0.258a | 0.028 | 0.224a | 0.039 |
| 3 | Multigrain bread | 0.241a | 0.061 | 0.243a | 0.013 |
| 4 | Sponge cake | 0.277a | 0.043 | 0.343a | 0.063 |
| 5 | Cornbread | 0.457a | 0.064 | 0.439a | 0.057 |
| 6 | Sugar cookie | 0.559a | 0.024 | 0.566a | 0.020 |
| 7 | Granola bar | 0.546a | 0.049 | 0.624a | 0.026 |
| 8 | Shortbread cookie | 0.643a | 0.073 | 0.662a | 0.011 |
| 9 | Pop tart | 0.823a | 0.035 | 0.853a | 0.015 |
| 10 | Soybean oil | 0.959a | 0.020 | 0.925a | 0.001 |
| 11 | Mayonnaise | 0.937a | 0.048 | 0.916a | 0.006 |
| 12 | Tomato paste | 1.085a | 0.012 | 1.095a | 0.007 |
Values are means, n=3; Means with different letter in a row differ significantly, p<0.05