Table 3.
Colorimetric profile of brown and white rice, fumigated in the form of brown rice and paddy rice, during storage.
| Storage Time (Months) | ||||
|---|---|---|---|---|
| 0 | 1 | 2 | 3 | |
| Value L*—brown rice | ||||
| Paddy rice (Fumigated) | 65.69 ± 2.22 aA * | 65.10 ± 1.79 aA | 65.08 ± 1.23 aA | 64.90 ± 1.28 aA |
| Paddy rice (Not fumigated) | 65.41 ± 1.83 aA | 64.44 ± 1.94 aA | 64.09 ± 1.48 aA | 63.57 ± 1.13 aA |
| Brown rice (Fumigated) | 65.54 ± 2.53 aA | 65.22 ± 2.21 aA | 64.96 ± 1.58 aA | 64.78 ± 1.48 aA |
| Brown rice (Not fumigated) | 65.53 ± 3.21 aA | 64.41 ± 2.76 aA | 63.97 ± 1.76 aA | 63.51 ± 1.47 aA |
| Value a*—brown rice | ||||
| Paddy rice (Fumigated) | 1.14 ± 0.64 aA | 1.78 ± 0.39 aA | 1.78 ± 0.61 aA | 1.48 ± 0.55 aA |
| Paddy rice (Not fumigated) | 1.18 ± 0.60 aA | 1.96 ± 0.24 aA | 1.71 ± 0.30 aA | 1.87 ± 0.28 aA |
| Brown rice (Fumigated) | 1.64 ± 0.54 aA | 1.86 ± 0.44 aA | 1.39 ± 0.66 aA | 1.79 ± 0.61 aA |
| Brown rice (Not fumigated) | 1.43 ± 0.73 aA | 1.62 ± 0.36 aA | 1.47 ± 0.80 aA | 1.52 ± 0.14 aA |
| Value b*—brown rice | ||||
| Paddy rice (Fumigated) | 20.53 ± 1.42 aA | 18.97 ± 0.47 aA | 18.39 ± 1.66 aA | 18.27 ± 1.09 aA |
| Paddy rice (Not fumigated) | 20.67 ± 1.61 aA | 19.46 ± 0.50 aA | 18.95 ± 1.19 aA | 18.80 ± 0.61 aA |
| Brown rice (Fumigated) | 20.42 ± 1.37 aA | 19.74 ± 0.75 aA | 18.54 ± 1.02 aA | 18.30 ± 1.71 aA |
| Brown rice (Not fumigated) | 20.95 ± 1.08 aA | 19.79 ± 1.30 aA | 18.52 ± 1.14 aA | 18.75 ± 1.30 aA |
| Value L*—white rice | ||||
| Paddy rice (Fumigated) | 73.51 ± 1.39 aA | 72.91 ± 0.77 aA | 72.87 ± 0.35 aA | 72.28 ± 0.69 aA |
| Paddy rice (Not fumigated) | 73.09 ± 0.81 aA | 72.22 ± 1.13 aA | 72.43 ± 1.02 aA | 71.06 ± 0.85 aA |
| Brown rice (Fumigated) | 73.75 ± 0.83 aA | 73.17 ± 0.51 aA | 72.01 ± 1.02 aA | 71.98 ± 0.52 aA |
| Brown rice (Not fumigated) | 73.09 ± 1.01 aA | 72.16 ± 0.96 aA | 72.03 ± 0.78 aA | 71.68 ± 0.67 aA |
| Value a*—white rice | ||||
| Paddy rice (Fumigated) | −0.62 ± 0.15 aA | −0.67 ± 0.07 aA | −0.75 ± 0.13 aA | −0.87 ± 0.08 aA |
| Paddy rice (Not fumigated) | −0.68 ± 0.14 aA | −0.84 ± 0.10 aA | −0.89 ±0.11 aA | −0.97 ± 0.18 aA |
| Brown rice (Fumigated) | −0.52 ± 0.17 aA | −0.75 ± 0.15 aA | −0.95 ± 0.19 aA | −1.06 ± 0.11 aA |
| Brown rice (Not fumigated) | −0.65 ± 0.10 aA | −0.91 ± 0.14 aA | −0.95 ± 0.15 aA | −1.07 ± 0.18 aA |
| Value b*—white rice | ||||
| Paddy rice (Fumigated) | 8.38 ± 1.17 aA | 8.28 ± 0.42 abA | 8.15 ± 0.98 aA | 7.52 ± 0.25 bA |
| Paddy rice (Not fumigated) | 9.12 ± 1.07 aA | 8.92 ± 0.52 bA | 8.82 ± 0.55 aA | 8.52 ± 0.32 aA |
| Brown rice (Fumigated) | 8.42 ± 0.88 aA | 8.31 ± 0.80 abA | 8.28 ± 0.49 aA | 7.57 ± 0.42 bA |
| Brown rice (Not fumigated) | 9.72 ± 0.64 aA | 8.64 ± 0.53 aA | 8.56 ± 0.44 aA | 8.45 ± 0.41 aA |
* The p-value for both rows and columns was p < 0.05. Lowercase letters compare between rice, uppercase letters compare between storage times.