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Shelf-Life Prediction of Citrus Lemon Using a Multivariate Accelerated Shelf-Life Testing (MASLT) Approach

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Jun 28, 2022

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Figure 1

Changes in weight loss of lemons during storage (A) and changes in moisture content (B)
Changes in weight loss of lemons during storage (A) and changes in moisture content (B)

Figure 2

Change in the firmness (A), changes in the total dissolved solid (B), changes in the hue angle (h*) (C), and total change in color difference (∆E*) of lemon samples during storage at temperatures of 25, 35, and 45 °C (D)
Change in the firmness (A), changes in the total dissolved solid (B), changes in the hue angle (h*) (C), and total change in color difference (∆E*) of lemon samples during storage at temperatures of 25, 35, and 45 °C (D)

Figure 3

Multivariate kinetics of the PC1 score of lemon samples during storage at temperatures of 25, 35, and 45 °C
Multivariate kinetics of the PC1 score of lemon samples during storage at temperatures of 25, 35, and 45 °C

Figure 4

The relationship between storage temperature and shelf life of lemons (y = 129.99e−0.077x)
The relationship between storage temperature and shelf life of lemons (y = 129.99e−0.077x)

Parameters of zero-order reaction kinetics of PC1 score as a function of storage of lemons at temperatures of 25, 35, and 45 °C

Temperature kma Linear regression ko Ea
(°C) (PC1 per score day) Equationb (PC1 per score day) (kJ·mol−1)
25 0.3710 ln km = 24.379 − 7576.9 (1/T) 2.17 62.99
35 0.7142
45 1.8428

Average ± standard deviation hedonic score of lemon fruit at storage temperature of 45 °C

Time (days) Average score

Color Firmness Texture Appearance
0 5.0 ± 0.0 5.0 ± 0.0 5.0 ± 0.0 5.0 ± 0.0
1 4.3 ± 0.6 4.0 ± 0.9 4.2 ± 0.8 4.2 ± 0.6
2 3.9 ± 1.1 3.3 ± 0.7 3.3 ± 1.0 3.9 ± 0.9
3 2.9 ± 0.8 2.6 ± 0.7 2.7 ± 1.0 2.8 ± 0.9
4 2.5 ± 1.0 1.7 ± 0.4 2.4 ± 1.0 2.4 ± 1.0
5 1.8 ± 0.4 1.0 ± 0.0 1.1 ± 0.3 1.1 ± 0.3
Language:
English
Publication timeframe:
2 times per year
Journal Subjects:
Life Sciences, Biotechnology, Plant Science, Ecology, Life Sciences, other