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Comparative study of postharvest treatments for extending tomato shelf life: a network meta-analysis
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DOI：10.1007/s00217-026-05242-1.png)
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Abstract
En 中文
To systematically evaluate the efficacy of different edible coatings in postharvest tomato preservation, we conducted a comprehensive search across multiple databases for relevant randomized controlled trials and screened them against predefined eligibility criteria. Seven eligible studies (comprising 32 intervention groups) were included. We then performed a network meta-analysis to quantitatively compare the effects of various coatings on tomato fruit quality, nutritional composition, and physiological parameters during storage, ranking their relative effectiveness using the surface under the cumulative ranking curve (SUCRA). The results indicated that immersion in 0.1% essential oil (EO) coating solution was the most effective in maintaining titratable acidity (TA). Immersion in a hydroxyapatite–gelatin (HAG)-based liposome coating solution most effectively reduced the respiration rate (RR), while immersion in an oleaster gum (OG) + 0.1% cuminaldehyde (CA) coating solution resulted in the lowest weight loss. Immersion in 20 g L⁻¹ arrowroot starch (AS) + 5 g L⁻¹ beeswax (BW) + 2.5 mL L⁻¹ clove essential oil (EO) best delayed changes in total soluble solids (TSS). Immersion in 4% carboxymethyl cellulose (CMC) most effectively preserved fruit lightness (L*), whereas immersion in 20 g L⁻¹ AS + 5 g L⁻¹ BW + 5 mL L⁻¹ clove EO optimally maintained fruit firmness. Immersion in a 2% bitter almond gum (BAG)–fish gelatin (FG) (2:1) conjugate coating solution significantly delayed lycopene (LYC) degradation. Immersion in nano-SiOx/chitosan complex (NSCC) solution was most effective in preserving total phenolic content (TPC) and enhancing catalase (CAT) activity. Immersion in 0.5% EO coating solution significantly maintained ascorbic acid (ASA) levels. Peroxidase (POD) activity was highest in fruit immersed in water, whereas immersion in a chitosan (Ch) solution most effectively suppressed malondialdehyde (MDA) accumulation. Overall, these findings provide evidence-based guidance for optimizing tomato postharvest storage strategies and lay a theoretical and practical foundation for designing efficient and synergistic edible coating treatments.
Keywords:
Tomato
Postharvest treatment
Fruit quality
Meta-analysis
Physiological activity
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