Postbiotics-enriched flaxseed mucilage coating: A solution to improving postharvest quality and shelf life of strawberry.

Autor: Sharafi H; Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, 1177 Urmia, Iran., Alirezalu A; Department of Horticultural Sciences, Faculty of Agriculture, Urmia University, 1177 Urmia, Iran. Electronic address: a.alirezalu@urmia.ac.ir., Liu SQ; Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore., Karami A; Department of Horticultural Sciences, Faculty of Agriculture, Urmia University, 1177 Urmia, Iran., Moradi M; Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, Urmia University, 1177 Urmia, Iran. Electronic address: m.moradi@urmia.ac.ir.
Jazyk: angličtina
Zdroj: International journal of biological macromolecules [Int J Biol Macromol] 2024 Apr; Vol. 265 (Pt 2), pp. 131398. Date of Electronic Publication: 2024 Apr 09.
DOI: 10.1016/j.ijbiomac.2024.131398
Abstrakt: This research aimed to assess the effects of flaxseed mucilage (Mu) coatings supplemented with postbiotics (P) obtained from Lactobacillus acidophilus LA-5 on various physical, biochemical, and microbial characteristics of strawberry fruits. Strawberry fruits were immersed for 2 min in Mu 2.5 (2.5 % mucilage in distilled water), Mu 5 (5 % mucilage in distilled water), P-Mu 2.5 (2.5 % mucilage in undiluted postbiotics) and P-Mu 5 (5 % mucilage in undiluted postbiotics) solutions and were stored at 4 °C and 85 RH for 12 days. All coatings were effective in reducing fungal count compared to the uncoated control fruits. Mu 5 coating exhibited the highest efficacy, reducing fungal count by 2.85 log 10 CFU/g, followed by Mu 2.5 (1.47 log 10 CFU/g reduction) and P-Mu 2.5 groups (0.90 log 10 CFU/g reduction). The fruits coated with edible coatings showed significant delays in the change of weight loss, pH, and total soluble solids as compared to the uncoated fruits. The coating containing postbiotics i.e., P-Mu 5 also showed a significant increase in the total phenolic contents, total flavonoid content, antioxidant capacity, and total anthocyanin content at the end of storage relative to the uncoated fruits. Thus, Mu and P-Mu coatings may be a useful approach to maintaining the postharvest quality of strawberry fruits during cold storage.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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