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Effect of Chitosan and 1-Methylcyclopropene Treatments on Quality of Mango during Storage

Zhu Mei-yun

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Abstract

Fresh Datainong mango was treated with chitosan and 1-methylcyclopropene (1-MCP) during storage. The weight loss rate, hardness, soluble solid content, respiration rate, titratable acid content and chlorophyll content of mango during shelf-storage period were explored. Results indicated that the combinatorial treatment of chitosan and 1-MCP exhibited the highest respiration peak on the 10th day. Compared with CK, there was a delay for 4 days, and the content of titratable acids exhibited an increase of 4.4 folds. Chitosan and 1-MCP could also significantly reduce the softening degree of mango, decrease weight loss rate and chlorophyll content, attenuate the increase of soluble solids and maturity. Combinatorial treatments of chitosan and 1-MCP exhibited a better effect than chitosan or 1-MCP treatment alone, which will provide a significant improvement of mango quality during shelf-storage period.

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What this paper is about

Fresh Datainong mango was treated with chitosan and 1-methylcyclopropene (1-MCP) during storage. The weight loss rate, hardness, soluble solid content, respiration rate, titratable acid content and chlorophyll content of mango during shelf-storage period were explored. Results indicated that the combinatorial treatment of chitosan and 1-MCP exhibited the highest respiration peak on the 10th day. Compared with CK, there was a delay for 4 days, and the content of titratable acids exhibited an increase of 4.4 folds. Chitosan and 1-MCP could also significantly reduce the softening degree of mango, decrease weight loss rate and chlorophyll content, attenuate the increase of soluble solids and maturity. Combinatorial treatments of chitosan and 1-MCP exhibited a better effect than chitosan or 1-MCP treatment alone, which will provide a significant improvement of mango quality during shelf-storage period.

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Available abstract

Fresh Datainong mango was treated with chitosan and 1-methylcyclopropene (1-MCP) during storage. The weight loss rate, hardness, soluble solid content, respiration rate, titratable acid content and chlorophyll content of mango during shelf-storage period were explored. Results indicated that the combinatorial treatment of chitosan and 1-MCP exhibited the highest respiration peak on the 10th day. Compared with CK, there was a delay for 4 days, and the content of titratable acids exhibited an increase of 4.4 folds. Chitosan and 1-MCP could also significantly reduce the softening degree of mango, decrease weight loss rate and chlorophyll content, attenuate the increase of soluble solids and maturity. Combinatorial treatments of chitosan and 1-MCP exhibited a better effect than chitosan or 1-MCP treatment alone, which will provide a significant improvement of mango quality during shelf-storage period.

Key concepts: Titratable acid, Chitosan, Respiration rate, Chemistry, 1-Methylcyclopropene, Food science, Softening, Respiration

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