Effect of the desiccation tolerance and cryopreservation methods on the viability of Citrus limon L. Burm cv. Eureka seeds

Orjuela-Palacio, Juliana M.; Graiver, Natalia Gisel; Santos, Mauricio; Zaritzky, Noemí Elisabet

doi:10.1016/j.cryobiol.2019.05.006

Cited by 6 publications

(1 citation statement)

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“…"Eureka" lemon (Citrus limon) fruits, which are thought to have originated from Argentina, are the most widely cultivated lemon cultivar in the world (Orjuela-Palacio et al, 2019). Lemon fruits, like other citrus species, contain water, acids (citric and malic), soluble sugars (fructose, glucose, and sucrose), pectin, carotenoids, vitamin C, and flavonoids (Baruah and Kotoky, 2018).…”

Section: Introductionmentioning

confidence: 99%

Exogenous polyamines alleviate chilling injury of Citrus limon fruit

Kowaleguet¹,

Chen²,

Shi³

et al. 2022

IFRJ

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The present work investigated the alleviation of chilling injury in response to exogenous polyamines in “Eureka” lemon (Citrus limon) fruits stored at low temperature. The lemon fruits were immersed either in polyamine solutions [1 mmol/L putrescine (PUT), 1 mmol/L spermidine (SPD), or 0.5 mmol/L PUT + 0.5 mmol/L SPD (combined)] or in distilled water (control). The morphology, cellular structure (using transmission electron microscopy), chilling injury (CI) index, total soluble solids (TSS), titratable acid (TA), malondialdehyde contents, and membrane permeability, as well as the peroxidase (POD) and polyphenol oxidase (PPO) activities of the lemon fruits were measured after 0, 15, 30, and 45 days of storage at -2 ± 0.5°C. Results showed that lemon fruits treated with polyamine had higher amounts of TSS and TA, as well as POD and PPO activities. The PUT, SPD, and combined treatments exhibited significantly reduced electrolyte leakage and less evidence of chilling injury. This indicated that the synergistic effects of PUT and SPD protected the fruit from chilling injury and maintained the postharvest quality of the lemon fruits better than PUT or SPD alone did.

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Section: Introductionmentioning

confidence: 99%