Extension of postharvest shelf-life in green bell pepper (Capsicum annuum L.) using exogenous application of polyamines (spermidine and putrescine)

Patel, Niyati; Gantait, Saikat; Panigrahi, Jitendriya

doi:10.1016/j.foodchem.2018.09.154

Cited by 51 publications

(20 citation statements)

References 32 publications

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“…An increase in levels of putrescine has been observed in response to chilling stress in wheat (Nadeau et al 1987). Exogenous application of spermidine and putrescine increase postharvest shelf-life of Capsicum annuum (Patel et al 2019).…”

Section: Polyaminesmentioning

confidence: 99%

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Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms

et al. 2021

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Abiotic stresses have a detrimental impact on plant growth and productivity and are a major threat to sustainable crop production in rapidly changing environments. Proline, an important amino acid, plays an important role in maintaining the metabolism and growth of plants under abiotic stress conditions. Many insights indicate a positive relationship between proline accumulation and tolerance of plants to various abiotic stresses. Because of its metal chelator properties, it acts as a molecular chaperone, an antioxidative defence molecule that scavenges reactive oxygen species (ROS), as well as having signalling behaviour to activate specific gene functions that are crucial for plant recovery from stresses. It also acts as an osmoprotectant, a potential source to acquire nitrogen as well as carbon, and plays a significant role in the flowering and development of plants. Overproduction of proline in plant cells contributes to maintaining cellular homeostasis, water uptake, osmotic adjustment and redox balance to restore the cell structures and mitigate oxidative damage. Many reports reveal that transgenic plants, particularly those overexpressing genes tailored for proline accumulation, exhibit better adaptation to abiotic stresses. Therefore, this review aims to provide a comprehensive update on proline biosynthesis and accumulation in plants and its putative regulatory roles in mediating plant defence against abiotic stresses. Additionally, the current and future directions in research concerning manipulation of proline to induce gene functions that appear promising in genetics and genomics approaches to improve plant adaptive responses under changing climate conditions are also highlighted.

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Section: Polyaminesmentioning

confidence: 99%

“…Exogenous application of spermidine and putrescine increase postharvest shelf‐life of Capsicum annuum (Patel et al . 2019).…”

Section: Proline‐related Metabolic Fluxmentioning

confidence: 99%

Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms

et al. 2021

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“…Chitosan slows down the physiological processes in tomato by reducing ethylene production, respiration and hence abbreviates the consumption of organic acids (Jongsri et al, 2016, Hajji et al, 2018, Aghofack-Nguemezi et al, 2018and Khatri et al, 2020. It has been documented that chitosan creates a semipermeable film over fruit surface which limits fruit respiratory metabolism and thereby slows the decline of ascorbic acid (Patel et al, 2019). Starch degradation during ripening is the cause of glucose production and fruit sweetness.…”

Section: Resultsmentioning

confidence: 99%

A comprehensive study of chitosan application for extending shelf life of tomato

Meena¹,

Pilania²,

Meena³

et al. 2021

JEB

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Aim: The aim of the present study was to study the effect of chitosan treatment on extending the shelf life of tomatoes stored at room temperature (27ºC±2) for 21 days. Methodology: Chitosan working formulation were prepared by dissolving chitosan in 1 % glacial acetic acid to get final concentrations with adjusting pH above 5 with 1N NaOH until suspension appears as colloide. Selected tomatoes were dipped in different concentrations of chitosan (0.01, 0.04, 0.08, 0.12, 0.16 and 0.20 % and water (control) for 6 min and kept in well ventilated paper baskets for storage at room temperature (27°C±2) with 55±2 % relative humidity. Results: Chitosan treated tomatoes were evaluated for different parameters related to post harvest losses. Chitosan at 0.16 % effectively prevented microbial decay, physiological loss in weight, maintained the firmness and reduced the respiration rate. Chitosan treatment further decreased the loss of titratable acidity (TA), retained the total soluble solids (TSS), total sugar, ascorbic acid, reducing sugar during storage period. Chitosan effectively preserved lycopene content, inhibit polyphenol oxidase (PPO) activity, maintained L*, a*, b* value and organoleptic score during storage from day 1 to day 21 as compared to control tomatoes. Interpretation: The study delves that low concentration of chitosan (0.16%) effectively extend the shelf life of tomato.

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“…Exogenous spermidine treatment in both salt-sensitive and salttolerant rice cultivars has been found to result in plasma membrane recovery after injury induced by salinity [108]. In addition, the exogenous application of spermidine and putrescine was found to increase the postharvest shelf-life of Capsicum annuum [142], while improving grain filling and drought tolerance in wheat plants [143]. It has also been reported that putrescine exhibits salinity tolerance in the pigeon pea (Cajanus cajan) by modulating the anabolic and catabolic enzyme activities responsible for putrescine biosynthesis [107].…”

Section: Polyaminesmentioning

confidence: 98%

The Biochemical Mechanisms of Salt Tolerance in Plants

et al. 2022

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Salinity is one of the most severe environmental problems worldwide and affects plant growth, reproduction, and crop yields by inducing physiological and biochemical changes due to osmotic and ionic shifts in plant cells. One of the principal modifications caused by osmotic stress is the accumulation of reactive oxygen species (ROS), which cause membrane damage and alter proteins, DNA structures, and photosynthetic processes. In response, plants increase their arsenal of antioxidant compounds, such as ROS scavenging enzymes and nonenzymatic elements like ascorbate, glutathione, flavonoids, tocopherols, and carotenoids, and their rates of osmolyte synthesis to conserve ion homeostasis and manage salt stress. This chapter describes the principal biochemical mechanisms that are employed by plants to survive under salt-stress conditions, including the most recent research regarding plant tolerance, and suggests strategies to produce valuable crops that are able to deal with soil salinity.

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Extension of postharvest shelf-life in green bell pepper (Capsicum annuum L.) using exogenous application of polyamines (spermidine and putrescine)

Cited by 51 publications

References 32 publications

Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms

Proline, a multifaceted signalling molecule in plant responses to abiotic stress: understanding the physiological mechanisms

A comprehensive study of chitosan application for extending shelf life of tomato

The Biochemical Mechanisms of Salt Tolerance in Plants

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