Influence of Coating Application Methods on the Postharvest Quality of Cassava

Table 2

Changes in colour (L values) 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)
DAY 1	92.4 ± 0.3	92.4 ± 0.3	92.4 ± 0.3	92.4 ± 0.3	92.4 ± 0.3	92.4 ± 0.3	92.4 ± 0.3	0.8	1.000
DAY 2	90.4 ± 1.1	90.5 ± 0.7	89.6 ± 1.2	90.5 ± 0.7	87.6 ± 0.1	91.0 ± 0.2	90.9 ± 0.4	2.2	0.054
DAY 4	86.5 ± 0.9	89.8 ± 0.3	89.3 ± 0.7	90.5 ± 0.3	90.6 ± 0.3	89.9 ± 0.4	90.2 ± 0.3	1.5	<0.001
DAY 6	86.6 ± 1.1	89.9 ± 0.2	88.7 ± 0.1	89.9 ± 0.2	89.8 ± 0.5	89.6 ± 0.2	90.1 ± 0.4	1.4	0.002
DAY 8	87.0 ± 1.1	88.9 ± 0.8	88.4 ± 0.6	88.4 ± 0.3	89.7 ± 0.3	89.2 ± 0.8	89.7 ± 0.2	1.9	0.122
DAY 10	82.2 ± 2.2	89.0 ± 0.4	87.9 ± 0.4	86.7 ± 0.4	89.6 ± 0.3	88.0 ± 0.7	88.0 ± 1.1	1.4	0.002
DAY 12	79.3 ± 4.2	88.3 ± 0.4	83.4 ± 4.0	86.8 ± 1.8	89.5 ± 0.3	84.9 ± 3.4	88.0 ± 1.0	8.1	0.187
DAY 14	77.9 ± 1.6	87.1 ± 0.1	80.8 ± 5.7	84.9 ± 0.7	88.7 ± 0.3	81.1 ± 1.6	85.7 ± 0.1	7.1	0.054
DAY 16	77.3 ± 1.6	86.0 ± 1.2	70.5 ± 5.1	83.3 ± 0.3	88.4 ± 0.2	76.2 ± 5.1	85.6 ± 1.7	8.8	0.006
DAY 18	73.6 ± 4.9	84.3 ± 1.0	70.3 ± 4.2	82.4 ± 1.2	77.9 ± 8.0	75.5 ± 2.5	85.8 ± 2.0	12.4	0.131
DAY 20	49.9 ± 7.0	79.5 ± 3.3	65.9 ± 5.8	77.1 ± 0.9	60.2 ± 3.4	67.9 ± 4.5	83.2 ± 3.0	13.3	0.001

Values are means ± SE. Means with different superscript letters in a row are significantly (P≤0.05) different, n=3.