Postharvest quality of strawberry (Fragaria × ananassa duch.) coated with calcium and nano-chitosan as affected by different storage temperatures

Nguyen, Van T.B; Nguyen, Ha V.H.

doi:10.22077/jhpr.2021.4106.1194

Document Type : Original Article

Authors

Van T.B Nguyen ¹^{, 2}
Ha V.H. Nguyen ¹^{, 2}

¹ Department of Food Technology, School of Biotechnology, International University, Ho Chi Minh city, Vietnam

² Vietnam National University, Ho Chi Minh City, Vietnam.

https://doi.org/10.22077/jhpr.2021.4106.1194

Abstract

Purpose: The aim of the study was to identify the impacts of storage temperature on strawberries coated with 3% calcium chloride (CaCl₂) and 0.2% nano-chitosan. Research method: Fresh strawberry fruit were immersed in CaCl₂ solution of 3% for 1 min and drained at room temperature before coating with nano chitosan solution of 0.2 %. The treated fruit was then stored at 0 ^oC, 2 ^oC, 4 ^oC and 25 °C. Physico-chemical analysis was performed in each three-day interval. Findings: Of the four examined temperatures tested, storing the fruit at 0 ^oC was the most effective in maintaining the overall quality index of strawberries up to 21 days. The treatment also reduced weight loss, preserved ascorbic acid content, antioxidant capacity, and total anthocyanin content, prevented microbial growth and prolonged storage-life of treated strawberries up to 21 days. Limitations: the industrial packaging that could affect the actual influences of the studied temperatures was not investigated in this work. Originality/Value: storing fresh strawberries coated with CaCl₂3%, nano-chitosan 0.2% at 0 ^oC was the most effective treatment in lengthening the shelf life of the fruit up to 21 days. The combination treatment of coating and storing at 2^oC extents strawberry storage life by 6 days when compared to uncoated fruit.

Keywords

Main Subjects

Postharvest Biology and Technology

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Postharvest quality of strawberry (Fragaria × ananassa duch.) coated with calcium and nano-chitosan as affected by different storage temperatures

References

References

Volume 4, Issue 4 - Serial Number 15December 2021December 2021Pages 413-426

Volume 4, Issue 4 - Serial Number 15
December 2021
December 2021
Pages 413-426