Mandarins were coated with SemperfreshTM and JonfreshTM edible coatings. the weight gain of mandarins after application of Jonfresh and Semperfresh coatings was 0.8% and 0.6% respectively. Weight loss, respiration rate, ascorbic acid, soluble solids (brix) and acidity changes of coated mandarins were compared with uncoated mandarins during storage at 20C and 40% RH for 4 weeks. SemperfreshTM and JonfreshTM coatings delayed the ripening of mandarins. Both of the coatings were effective to reduce the change of ascorbic acid, soluble solids, titratable acidity and respiration rate. But JonfreshTM was determined to be most efficient coating for reduction of weight loss.
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Bayındırlı et al. (1995) studied this question.
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