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Information Journal Paper

Title

Effect of oxalic acid on the quality and biochemical characteristics of loquat (Eriobotrya japonica Lindl. ) fruit during storage

Pages

  91-102

Abstract

 Oxalic acid (OA), as a natural antioxidant, delays the ripening and senescence of fruits. In this research, the effect of different concentration of OA (0, 2, 4, 6, and 8 mM) investigated on storage life and postharvest quality of loquat fruit at 5° C and 90± 5% relative humidity for 28 days. Traits such as Browning index, biochemical and qualitative characteristics and activity of Polyphenol oxidase (PPO) and Peroxidase (POD) enzymes of fruit at harvest (0), 7, 14, 21 and 28 days after storage were analyzed. With increasing storage time, the level of Browning index, total soluble solids (TSS), ratio of TSS/titratable acidity (TA) and the activity of PPO and POD enzymes increased in all treatments, while firmness, ascorbic acid, Total phenol and flavonoids content and Antioxidant activity decreased (p˂ 0. 05). OA application significantly reduced the level of Browning index and the activity of enzymes responsible for tissue Browning (PPO and POD) compared to control (p˂ 0. 05). At the end of storage, fruits treated with different concentration of OA had a more firmness tissue and higher level of ascorbic acid, Total phenol and flavonoids content and Antioxidant activity in comparison to the control fruits (p˂ 0. 05). Overall, OA application effectively reduced fruit softening and Browning index with diminished the activity of PPO and POD enzymes during cold storage.

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    APA: Copy

    Meighani, h., & HASHEMPOUR, A.. (2021). Effect of oxalic acid on the quality and biochemical characteristics of loquat (Eriobotrya japonica Lindl. ) fruit during storage. IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 17(109 ), 91-102. SID. https://sid.ir/paper/387905/en

    Vancouver: Copy

    Meighani h., HASHEMPOUR A.. Effect of oxalic acid on the quality and biochemical characteristics of loquat (Eriobotrya japonica Lindl. ) fruit during storage. IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY[Internet]. 2021;17(109 ):91-102. Available from: https://sid.ir/paper/387905/en

    IEEE: Copy

    h. Meighani, and A. HASHEMPOUR, “Effect of oxalic acid on the quality and biochemical characteristics of loquat (Eriobotrya japonica Lindl. ) fruit during storage,” IRANIAN JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, vol. 17, no. 109 , pp. 91–102, 2021, [Online]. Available: https://sid.ir/paper/387905/en

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