Abstract
Postharvest losses are huge in fruits that can be reduced by exposing themto a biomolecule hexanal, which is known to alter the physiological changesresulting in an extension of shelf-life. Hexanal is a highly volatile compound,it is naturally produced by plants. Its external application extends shelf-life offruits during storage by inhibiting phospholipase –D enzyme in the cell wall.A study was undertaken to examine the kinetics of hexanal release from thepolyvinyl alcohol – β cyclodextrin encapsulated nanofiber composite using amolecular modeling approach. The present study focussed on the analysisof the influence of relative humidity and temperature on the nanofibercomposite to release hexanal. The release and retention behavior of hexanalwas investigated with the relative humidity range of 50%- 95% at 27°C and33°C. The molecular modeling studies have confirmed that the hexanal vaporrelease is altered with humidity and temperature regimes. This can be usedfor the fabrication of a delivery system for hexanal in extending the shelf-lifeof fruits in storage godowns.
Highlights
Despite India’s statistics is very attractive in the production of many of the fruits, the per capita availability is deficit by 40% due to the postharvest loss
Molecular dynamics simulation has been employed to study the release of hexanal from polyvinyl alcohol- β cyclodextrin- hexanal complex
We have investigated the release and retention behavior of hexanal from the complex composite with the relative humidity range of 50%- 95% at 27°C (300 K) and 33°C (303 K) and new, complementary information were presented in this work
Summary
Despite India’s statistics is very attractive in the production of many of the fruits, the per capita availability is deficit by 40% due to the postharvest loss. Molecular modeling methods have found a wide range of applications in diverse fields and are used to investigate the structure and behavior properties of many polymeric and biological systems. It comprises computational methods and simulations which configures and studies how all molecules behave, ranging from small chemical systems to large molecules and material assemblies. PVA-β Cyclodextrin serves as a template to develop nanofiber composite, which effectively entraps hexanal vapor and regulates its release for an extended period of fruits. Such a process enables the extension of shelf-life of mango fruits under storage conditions
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