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<p>For climacteric fruits like kiwifruit, postharvest deterioration presents a serious problem with storage and marketability. In this study, the effectiveness of an edible coating made of peppermint essential oil (Es) and <i>Aloe vera</i> gel (ALVG) in maintaining the quality and prolonging the shelf life of “Hayward” kiwifruit kept in cold storage for three months was examined. Treatments were applied in various concentrations (25% and 50% ALVG with 0, 500, and 1000 ppm Es), and quality parameters were evaluated at monthly intervals. The coating significantly reduced weight loss (by 41%) and fruit spoilage (by 65%), and microbial content particularly at ALVG <sub>50%</sub>-Es<sub>1000 ppm</sub>. Additionally, it enhanced physicochemical characteristics such vitamin C retention, titratable acidity (TA), pH, and total soluble solids (TSS). Moreover, it improved antioxidant-related metrics, including phenolic and flavonoid concentrations, catalase activity, and total protein levels, while diminishing oxidative stress indicators such as malondialdehyde (MDA) and reactive oxygen species (ROS). The findings indicate that an edible coating infused with ALVG and peppermint essential oil provides an effective, natural method to improve postharvest quality and prolong storage life in kiwifruit.</p>

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The effect of the composite of Aloe vera gel and peppermint essential oil as natural coatings on the postharvest characteristics of kiwifruits

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月30日

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  • Azam Seyedi,
  • Fatemeh Shahdadi,
  • Abbas Khajehbahrami,
  • Sediqeh Afsharipour

摘要

For climacteric fruits like kiwifruit, postharvest deterioration presents a serious problem with storage and marketability. In this study, the effectiveness of an edible coating made of peppermint essential oil (Es) and Aloe vera gel (ALVG) in maintaining the quality and prolonging the shelf life of “Hayward” kiwifruit kept in cold storage for three months was examined. Treatments were applied in various concentrations (25% and 50% ALVG with 0, 500, and 1000 ppm Es), and quality parameters were evaluated at monthly intervals. The coating significantly reduced weight loss (by 41%) and fruit spoilage (by 65%), and microbial content particularly at ALVG 50%-Es1000 ppm. Additionally, it enhanced physicochemical characteristics such vitamin C retention, titratable acidity (TA), pH, and total soluble solids (TSS). Moreover, it improved antioxidant-related metrics, including phenolic and flavonoid concentrations, catalase activity, and total protein levels, while diminishing oxidative stress indicators such as malondialdehyde (MDA) and reactive oxygen species (ROS). The findings indicate that an edible coating infused with ALVG and peppermint essential oil provides an effective, natural method to improve postharvest quality and prolong storage life in kiwifruit.