Effect of Opuntia ficus-indica Mucilage Edible Coating in Combination with Ascorbic Acid, on Strawberry Fruit Quality during Cold Storage
Table 1
Chemical and physical parameters of strawberries coated with cactus mucilage + ascorbic acid (MA) or uncoated (C) during storage at 4°C.
Source of variance
Weight loss (g 100 g−1 fw)
Firmness (N)
SSC (°Brix)
TA (meq 100 g−1 fw.)
Ascorbic acid (mg 100 g−1)
L
Chroma
Hue
Coating
C
9.0b
9.2b
7.7
10.6
36.9B
37.5
46.5
37.7
MA
8.1a
9.7a
7.9
11.0
50.2A
38.0
46.6
38.3
Storage
0
—
10.2d
7.4c
10.1b
44.6A
41.5A
48.8A
42.1a
3
3.6d
10.6bc
7.5c
10.5ab
37.7B
37.6B
47.0B
38.4b
6
6.8c
9.9c
7.7c
11.3a
43.9A
36.7B
45.5Bc
37.1bc
9
9.8b
9.2a
8.0bc
11.2a
44.0A
36.1B
46.0Bc
36.9bc
12
13.9a
7.3ab
8.6a
11.0a
47.7A
36.8B
45.2C
35.3c
Coating x Storage
C
0
—
10.2
7.4
10.1
40.1
41.5
48.8
42.1
3
3.9
10.6
7.5
9.9
30.7
37.5
46.9
37.2
6
7.2
9.4
7.8
10.7
38.5
36.2
45.0
36.5
9
10.3
8.7
7.7
11.4
35.6
35.1
46.4
36.0
12
14.5
7.2
8.3
11.0
39.8
37.2
45.1
36.5
MA
0
—
10.2
7.4
10.1
49.0
41.5
48.8
42.1
3
3.3
10.6
7.5
11.0
44.7
37.8
47.2
39.6
6
6.4
10.4
7.7
11.8
49.3
37.2
46.0
37.8
9
9.3
9.7
8.3
11.0
52.5
37.1
45.6
37.9
12
13.2
7.5
8.9
11.1
55.7
36.3
45.4
34.2
Significancex
Coating
ns
ns
ns
ns
ns
Storage
Coating x Storage
ns
ns
ns
ns
ns
ns
ns
ns
Each value is the mean of 4 replicated samples. Values in a column followed by different letters are significantly different according to Tukey’s test at .xSignificance: ns = not significant; significant at ; significant at ; significant at .yTitratable acidity expressed as meq/100 g fresh weight.
