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Abstract ▼ AI-Helper

Internal gas composition of single unit persimmon package was evaluated at $-1^{\circ}C$ as function of package film area and fruit weight in order to find packaging conditions to achieve the optimal modified atmosphere beneficial for keeping the freshness. With large fruit size(${\a...

Internal gas composition of single unit persimmon package was evaluated at $-1^{\circ}C$ as function of package film area and fruit weight in order to find packaging conditions to achieve the optimal modified atmosphere beneficial for keeping the freshness. With large fruit size(${\approx}230\;g$), low permeable films (LLDPE/PP in 35 or $40\;{\mu}m$ thickness and $30\;{\mu}m$ OPP) with an exact fitness to the fruit (surface area of $0.040\;m^2$) resulted in anaerobic atmosphere with occurrence of browning in long term storage. With medium (${\approx}210\;g$) and medium small (${\approx}190g$) sizes, larger surface area of low permeable $35\;{\mu}m$ LLDPE/PP film provided higher $O_2$ and lower $CO_2$ concentrations causing higher occurrence of softening and blackening discoloration. On the other hand, smaller surface area of lower $O_2$ and higher $CO_2$ concentrations had a high risk of browning. Wise combination of fruit size, packaging film and surface area is required for attaining the beneficial modified atmosphere to prevent the physiological injuries.

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