Changes in the Physicochemical and Microbial Properties of Fresh-cut Cucumber during Storage as Affected by Modified Atmosphere Packaging and Films of polypropylene Containing Clay Nanoparticles

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Aziziyan Dehkordi b.; ZAMINDAR N.; GHORBANI Z.; MOSAFFA L.

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Paper Information

Journal: JOURNAL OF NUTRITION SCIENCES & FOOD TECHNOLOGY Year:2020 | Volume:15 | Issue:1 Page(s): 83-92

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Title

Changes in the Physicochemical and Microbial Properties of Fresh-cut Cucumber during Storage as Affected by Modified Atmosphere Packaging and Films of polypropylene Containing Clay Nanoparticles

Author(s)

Aziziyan Dehkordi b. | ZAMINDAR N. | GHORBANI Z. | MOSAFFA L. | Issue Writer Certificate

Keywords

Cucumber slicesQ1

Nano-clayQ1

Modified atmosphere packagingQ1

Abstract

Background and Objectives: Food packaging is one of the main applications of nanotechnology in the food section. Clay nanoparticles are among the nanoparticles used in food packaging. In this study, the effect of packaging film containing Nano-clay particles on the characteristics of Cucumber slices was investigated. Materials & Methods: The effect of Nano-clay particles (0, 1 and 3%) and time (0, 3, 5, 7, 9 and 11 days) were studied in three replications in a completely randomized design. Cucumber slices were packaged in polypropylene (control samples) and polypropylene containing 1 and 3% Nano-clay hydrophilic bentonite under Modified atmosphere packaging. All samples were stored at 4 ± 1 ° C at a relative humidity (RH) of 90 ± 2 %. Microbial population was determined at 3-5 day intervals, and chemical properties, chlorophyll, texture, color were studied at 2-day intervals. Results: Control samples showed more loss of weight (p<0. 05) and higher L*, a* and b* during the storage (p<0. 01). Chlorophyll and firmness of the Cucumber slices in the film containing 3% of Nano-clay showed less decrease (p<0. 01). In addition, the application of modified atmosphere showed positive effect to preserve fruits and vegetables and packages containing clay nanoparticles significantly reduced the microbial population (p<0. 05). Conclusion: The packages containing clay nanoparticles under the modified atmosphere were more appropriate option than the control packaging in preserving the product.

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