Melatonin content of pepper and tomato fruits: Effects of cultivar and solar radiation

Riga, Patrick; Medina, Sonia; García-Flores, Libia Alejandra; Gil‐Izquierdo, Ángel

doi:10.1016/j.foodchem.2014.01.117

Cited by 79 publications

(35 citation statements)

References 40 publications

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“…F26) and 14.77 ng/g FW or 249.98 ng/g DW in tomato ( Solanum lycopersicum L. cv. Optima) [49], and 23.87 ± 2.02 ng/g FW in tomato ( Lycopersicon esculentum cv. Bonda) [44].…”

Section: Dietary Sources Of Melatoninmentioning

confidence: 99%

Dietary Sources and Bioactivities of Melatonin

et al. 2017

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Insomnia is a serious worldwide health threat, affecting nearly one third of the general population. Melatonin has been reported to improve sleep efficiency and it was found that eating melatonin-rich foods could assist sleep. During the last decades, melatonin has been widely identified and qualified in various foods from fungi to animals and plants. Eggs and fish are higher melatonin-containing food groups in animal foods, whereas in plant foods, nuts are with the highest content of melatonin. Some kinds of mushrooms, cereals and germinated legumes or seeds are also good dietary sources of melatonin. It has been proved that the melatonin concentration in human serum could significantly increase after the consumption of melatonin containing food. Furthermore, studies show that melatonin exhibits many bioactivities, such as antioxidant activity, anti-inflammatory characteristics, boosting immunity, anticancer activity, cardiovascular protection, anti-diabetic, anti-obese, neuroprotective and anti-aging activity. This review summaries the dietary sources and bioactivities of melatonin, with special attention paid to the mechanisms of action.

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“…F26) and 14.77 ng/g FW or 249.98 ng/g DW in tomato ( Solanum lycopersicum L. cv. Optima) [49], and 23.87 ± 2.02 ng/g FW in tomato ( Lycopersicon esculentum cv. Bonda) [44].…”

Section: Dietary Sources Of Melatoninmentioning

confidence: 99%

Dietary Sources and Bioactivities of Melatonin

et al. 2017

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“…The concentrations of melatonin in field-cultivated tomato were significantly higher than those in the phytotron-cultivated tomato, and higher than those in the vitro-cultivated tomato [21]. Riga et al [22] found that fruit bagging can significantly increase the melatonin concentrations in most tomato varieties but reduce the concentrations of melatonin in pepper (Capsicum annuum L.). The dynamic change of melatonin concentrations in mammals is regulated by photoperiod and circadian rhythm; the change of melatonin concentrations in plants is also following an analogous pattern.…”

Section: The Biosynthetic Pathway Of Melatonin In Plantsmentioning

confidence: 97%

“…This suggests that melatonin levels are influenced by circadian rhythms and regulate the photoperiod of plants, which in turn affects some early steps in flowering. In addition, the application of shading technology in the cultivation of capsicum can significantly reduce the melatonin level of capsicum fruits, which indicates that solar radiation can cause the increase of melatonin concentrations [50]. Studies in wheat also show that the concentrations of melatonin in leaves under light condition are significantly higher than they are under dark condition.…”

Section: Regulation Of Melatonin Resistance To Abiotic Stressmentioning

confidence: 99%

Review of Melatonin in Horticultural Crops

Yan¹,

Shi²,

Gong³

2020

Melatonin - The Hormone of Darkness and Its Therapeutic Potential and Perspectives

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Melatonin is an indoleamine, abundant in animals and plants, which has the functions of regulating circadian rhythm, improving immunity and anti-aging in animals, and is a good health care product beneficial to human health. Recent studies have shown that melatonin has physiological functions including regulating plant growth, promoting seed germination, controlling root development and delaying leaf senescence. The antioxidant properties of melatonin give it the ability to strengthen plants' resistance to stress. The comprehensive researches in recent years, involving five aspects of "the biosynthetic pathway of melatonin in plants, the melatonin in horticultural crops and its influencing factors, the roles of melatonin in the growth and development of horticultural crops, in the response to stress of horticultural crops, the signal transduction network of melatonin in regulating plant growth and the development and stress resistance," are reviewed in the present paper. The application of melatonin in horticulture production is also discussed, which can provide a theoretical reference for the application of melatonin in horticultural production. DOI: http://dx.doi.org/10.5772/intechopen.90935 excess ROS to reduce the oxidation of cells. However, a recent study in rice (Oryza sativa L.) has shown that the key melatonin synthesis gene COMT is located in plant chloroplasts and has demonstrated that melatonin synthesis is increased through the 5-MT pathway [8]. CAND2/PMTR1, a hypothetic plant melatonin receptor, recently has been identified in Arabidopsis thaliana [9]. It is located in the plasma membrane with a receptor-like topology and interacts with the G-protein subunit (GPA1), while expression in different tissues is induced by melatonin. The binding of plant melatonin receptors triggers Gγb and Gα activation of NADPH oxidasedependent H 2 O 2 production (RBOH), increasing Ca 2+ inflow, promoting K + outflow, and ultimately leading to stomatal closure [10]. The cloning of these melatoninmetabolizing genes and the discovery of the receptors can lay a certain foundation for the study of melatonin-related functions in the future. Review of Melatonin in Horticultural Crops Concentrations of melatonin in horticultural crops and its influential factors

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“…Since then, it has been found in more than 140 different plant species and foods [5][6][7][8][9][10][11][12][13]. Furthermore, healthy subjects synthesize melatonin not only in the pineal gland [14], but also in a wide range of other organs.…”

Section: Introductionmentioning

confidence: 99%

Screen-printed electrodes modified with carbon nanotubes or graphene for simultaneous determination of melatonin and serotonin

et al. 2015

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Single-walled carbon nanotubes (SWCNT), multiwalled carbon nanotubes (MWCNT) and graphene have been tested as carbon allotropes for the modification of carbon screen-printed electrodes (CSPEs) to simultaneously determine melatonin (MT) and serotonin (5-HT). Two groups of CSPEs, both 4 mm in diameter, were explored: The first includes commercial SWCNT, MWCNT and graphene, the second includes SWCNT, MWCNT, graphene oxide nanoribbons and reduced nanoribbons that were drop casted on the electrodes. The carbon nanomaterials enhanced the electroactive area in the following order: CSPE

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Melatonin content of pepper and tomato fruits: Effects of cultivar and solar radiation

Cited by 79 publications

References 40 publications

Dietary Sources and Bioactivities of Melatonin

Dietary Sources and Bioactivities of Melatonin

Review of Melatonin in Horticultural Crops

Screen-printed electrodes modified with carbon nanotubes or graphene for simultaneous determination of melatonin and serotonin

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