Research Article
Influence of Coating Application Methods on the Postharvest Quality of Cassava
Table 7
Changes in total respiration rate (mg CO2/kg/h) of cassava roots dipped and/or sprayed with different edible coating solution 20 days after harvest.
| | Period of storage (Days) | TREATMENTS | | CONTROL | 1.5 xanthan | 1.5 xanthan | 1.5 xanthan/guar | 1.5 xanthan/guar | 2 xanthan/guar | 2 xanthan/guar | LSD | F | | Dipping | Spraying | Dipping | Spraying | Dipping | Spraying | (5 LEVEL) |
| | FRESH | 1.1 ± 0.1 | 0.7 ± 0.0 | 1.1 ± 0.0 | 1.1 ± 0.0 | 1.0 ± 0.0 | 0.9 ± 0.0 | 1.1 ± 0.1 | 0.1 | <0.001 | | DAY 2 | 5.7 ± 0.0 | 2.5 ± 0.0 | 3.2 ± 0.1 | 2.5 ± 0.1 | 3.5 ± 0.2 | 3.1 ± 0.0 | 2.8 ± 0.1 | 0.2 | <0.001 | | DAY 4 | 2.6 ± 0.0 | 3.9 ± 0.2 | 5.2 ± 1.6 | 3.6 ± 0.1 | 1.1 ± 0.1 | 2.9 ± 0.0 | 2.1 ± 0.0 | 1.8 | 0.006 | | DAY 6 | 3.4 ± 0.1 | 1.3 ± 1.1 | 3.5 ± 0.3 | 2.3 ± 0.1 | 1.9 ± 0.1 | 3.2 ± 0.3 | 2.9 ± 0.0 | 1.4 | <0.001 | | DAY 8 | 6.2 ± 0.1 | 3.09 ± 0.06 | 5.38 ± 0.04 | 4.47 ± 0.08 | 2.57 ± 0.23 | 3.43 ± 0.22 | 4.43 ± 0.03 | 0.40 | <0.001 | | DAY 10 | 3.04 ± 0.10 | 4.6 ± 0.2 | 6.7 ± 0.2 | 5.9 ± 0.0 | 3.6 ± 1.1 | 4.3 ± 1.1 | 4.2 ± 0.1 | 1.4 | <0.001 | | DAY 12 | 3.1 ± 0.1 | 5.1 ± 0.0 | 7.7 ± 0.2 | 6.1 ± 0.1 | 5.7 ± 0.3 | 6.5 ± 0.1 | 12.7 ± 5.3 | 6.1 | 0.1 | | DAY 14 | 3.5 ± 0.1 | 6.6 ± 0.1 | 7.1 ± 0.2 | 7.5 ± 0.1 | 4.0 ± 1.2 | 5.7 ± 0.2 | 6.1 ± 0.2 | 1.5 | <0.001 | | DAY 16 | 3.5 ± 0.1 | 5.5 ± 0.0 | 7.3 ± 0.0 | 8.0 ± 0.1 | 3.1 ± 1.2 | 5.0 ± 0.0 | 5.4 ± 0.2 | 1.4 | <0.001 | | DAY 18 | 4.0 ± 0.3 | 3.8 ± 1.5 | 6.0 ± 0.6 | 6.5 ± 0.1 | 4.9 ± 0.3 | 4.6 ± 0.2 | 4.5 ± 0.9 | 2.1 | 0.002 | | DAY 20 | 3.7 ± 0.1 | 0.5 ± 0.1 | 3.8 ± 0.5 | 3.6 ± 0.4 | 3.2 ± 0.2 | 3.7 ± 0.3 | 3.4 ± 0.2 | 0.9 | <0.001 |
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Values are means ± SE. Means with different superscript letters in a row are significantly (P≤0.05) different, n=3.
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