Effects of Chitosan Coating Concentration on the Postharvest Quality of Tomato (Solanum lycopersicum L.)
DOI:
https://doi.org/10.24843/Keywords:
chitosan, edible coating, fruit quality, postharvest, tomatoAbstract
Tomato fruit is highly perishable because respiration and transpiration continue after harvest. This study evaluated chitosan coatings at six concentrations for maintaining the quality of Mustafi tomatoes (Solanum lycopersicum L.) during eight days of ambient storage. A completely randomized design comprised 0% (uncoated control), 1%, 2%, 3%, 4%, and 5% chitosan, with four biological replications per treatment. Weight loss, firmness, total soluble solids, vitamin C, and carotenoid content were evaluated. Treatment means differed significantly for several quality attributes. The 1% coating produced the lowest weight loss and retained comparatively high firmness and vitamin C. Higher concentrations did not consistently improve preservation. Under the tested conditions, 1% chitosan provided the most balanced overall response; however, coating composition, repeated-measures analysis, and analytical protocols require complete reporting before the formulation can be independently reproduced.
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