Preparation of a novel cold storage phase change material and its application in the post-harvest preservation of cabbage
LWT, cilt.253, 2026 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 253
- Basım Tarihi: 2026
- Doi Numarası: 10.1016/j.lwt.2026.119722
- Dergi Adı: LWT
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, BIOSIS, Chemical Abstracts Core, Compendex, Directory of Open Access Journals, Academic Search Ultimate (EBSCO), Engineering Source (EBSCO)
- Anahtar Kelimeler: Cabbage, Formula, Molecular mechanism, Phase change materials, Preservation efficacy
- Ankara Üniversitesi Adresli: Evet
Özet
This study was conducted to develop a phase change material (PCM) and validate its applicability in the preservation of cabbage. The optimal formula was 20 g/L xylitol as primary energy storage agent, 2.5 g/L potassium chloride as temperature regulator, 0.05 g/L silicon dioxide as nucleating agent, 1.0 g/L potassium sorbate as preservative, and 12.0 g/L sodium alginate as thickener. Novel PCM exhibited a phase change latent heat of 344.75 J/g, low super-cooling degree, sound thermal stability, and resistance to phase separation after 20 freeze-thaw cycles. Its cold-storage efficiency was validated in the preservation of cabbage at 4°C. Results demonstrated that the PCM effectively maintained an environment below 6°C for 12 h, significantly reduced the weight loss (1.49 vs. 6.93%), delayed chlorophyll degradation, preserved firmness (92.29 vs. 65.80 N), titratable acidity (8.2 vs. 5.6 g/L), contents of soluble solid (55.3 vs. 49.8 g/L), vitamin C (31.64 vs. 24.51 mg/100 g) and phenols (0.89 vs. 0.77 mg/g), and suppressed the transcriptional abundances of yellowing genes ( BoNYC1 , BoNOL , BoCLH1 , BoPPH , and BoRCCR ), compared to CK group. These indicate that the novel composite PCM could be utilized as a stable and sustainable alternative for long-period preservation and/or transportation of fresh vegetables like cabbage.