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The Improvement of Tomato Shelf Life using Chitosan and Starfruit Leaf Extract as Edible Coatings

Nafi Ananda Utama

Nafi Ananda Utama

Faculty of Agriculture, Universitas MuhammadiyahYogyakarta, Indonesia
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Utama, Nafi Ananda
, 
Ririn Ernawati

Ririn Ernawati

Faculty of Agriculture, Universitas MuhammadiyahYogyakarta, Indonesia
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Ernawati, Ririn
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Putrika Citta Pramesi

Putrika Citta Pramesi

Center for Food and Nutrition Studies, Universitas Gadjah MadaYogyakarta, Indonesia
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Pramesi, Putrika Citta
  
12 juin 2022
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Publié en ligne: 12 juin 2022
Pages: 77 - 86
Reçu: 01 déc. 2021
Accepté: 01 avr. 2022
DOI: https://doi.org/10.2478/johr-2022-0004
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© 2022 Nafi Ananda Utama et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

Scheme of study design for one-day measurement
Scheme of study design for one-day measurement

Figure 2

Image of the stored samples
Image of the stored samples

Figure 3

Firmness as a function of observation days in tomato coated with different composition of chitosan-based edible coating enriched with SFLE
Firmness as a function of observation days in tomato coated with different composition of chitosan-based edible coating enriched with SFLE

Figure 4

Days needed to reach 1.45 N·mm−1 firmness for tomato treated with different composition of chitosan-based edible coating enriched with SFLE
Days needed to reach 1.45 N·mm−1 firmness for tomato treated with different composition of chitosan-based edible coating enriched with SFLE

Figure 5

Total titratable acidity as a function of observation days in tomato coated different composition of chitosan-based edible coating enriched with SFLE
Total titratable acidity as a function of observation days in tomato coated different composition of chitosan-based edible coating enriched with SFLE

Figure 6

Reducing sugar content as a function of observation days in tomato coated different composition of chitosan-based edible coating enriched with SFLE
Reducing sugar content as a function of observation days in tomato coated different composition of chitosan-based edible coating enriched with SFLE

Total plate count (log CFU per mL ± SD)

Day Chitosan SFLE Chitosan + SFLE Control p-value
5 5.70 ± 0.35a 6.09 ± 0.44a 5.67 ± 0.31a 6.50 ± 0.35a 0.330
10 6.12 ± 0.34ab 5.73 ± 0.40a 5.45 ± 0.45a 7.12 ± 0.56b 0.043
15 6.76 ± 0.41b 5.90 ± 0.09a 5.81 ± 0.26a 7.01 ± 0.3b 0.008
20 6.66 ± 0.70b 6.28 ± 0.27b 6.17 ± 0.38b 7.02 ± 0.81b ≈1.000
25 7.07 ± 0.71b 7.11 ± 0.73b 6.88 ± 0.66b 7.81 ± 0.58b ≈1.000
Langue:
Anglais
Périodicité:
2 fois par an
Sujets de la revue:
Sciences de la vie, Biotechnologie, Sciences végétales, Écologie, Sciences de la vie, autres
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