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Pinon A, Trentesaux C, Chaffaut C, Lemaire M, Parere X, Lecerf JM, Schnebelen-Berthier C. Infant growth and tolerance with a formula based on novel native demineralized whey: A randomized double-blind pilot study. J Pediatr Gastroenterol Nutr 2024. [PMID: 38988234 DOI: 10.1002/jpn3.12305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/22/2024] [Accepted: 06/21/2024] [Indexed: 07/12/2024]
Abstract
OBJECTIVES The aim of the study was to evaluate the effects on infant growth and tolerance of a Test infant formula based on a novel whey extraction and demineralization process, compared to a Standard formula and a breastfed reference arm. METHODS Healthy term infants (n = 61) aged up to 21 days were randomized to Test or Control formula. A breastfed group (n = 39) served as a reference. Growth, tolerance, adverse events, and sleep were evaluated every month until 6 months of age. Plasma amino-acid concentrations at 3 months of age were measured in a subgroup population. RESULTS Growth curves of all infants globally agreed with World Health Organization standards across the 6-months period study. Regarding tolerance, no difference between the formula-fed groups was observed on daily number of crying episodes, intensity or time to onset of regurgitations, and stool frequency or consistency, except at 5 months with infants in the Control group having more watery stools. Plasma concentration of some amino acids differed between the groups, especially tryptophan concentration which was higher in infants fed with the Test formula. In parallel, total sleep duration was longer in these infants at 2, 3, and 5 months of age, corresponding to an increase in daytime sleep. CONCLUSIONS Test formula supported an adequate infant growth from birth to 6 months of age and was well-tolerated by all infants. An increase in total sleep at several months was also observed with the Test formula.
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Affiliation(s)
- Anthony Pinon
- Clinical Research Department, Centre Prévention Santé Longévité - Institut Pasteur de Lille, Lille, France
| | - Claire Trentesaux
- Clinical Research Department, Centre Prévention Santé Longévité - Institut Pasteur de Lille, Lille, France
| | | | - Marion Lemaire
- Research & Innovation Center, Sodiaal Group, Rennes, France
| | - Xavier Parere
- Research & Innovation Center, Sodiaal Group, Rennes, France
| | - Jean-Michel Lecerf
- Clinical Research Department, Centre Prévention Santé Longévité - Institut Pasteur de Lille, Lille, France
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2
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Liu J, Ji X, Pitt S, Wang G, Rovit E, Lipman T, Jiang F. Childhood sleep: physical, cognitive, and behavioral consequences and implications. World J Pediatr 2024; 20:122-132. [PMID: 36418660 PMCID: PMC9685105 DOI: 10.1007/s12519-022-00647-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 10/18/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Sleep problems in children have been increasingly recognized as a major public health issue. Previous research has extensively studied and presented many risk factors and potential mechanisms for children's sleep problems. In this paper, we aimed to identify and summarize the consequences and implications of child sleep problems. DATA SOURCES A comprehensive search for relevant English language full-text, peer-reviewed publications was performed focusing on pediatric sleep studies from prenatal to childhood and adolescence in a variety of indexes in PubMed, SCOPUS, and Psych Info published in the past two decades. Both relevant data-based articles and systematic reviews are included. RESULTS Many adverse consequences are associated with child sleep deficiency and other sleep problems, including physical outcomes (e.g., obesity), neurocognitive outcomes (e.g., memory and attention, intelligence, academic performance), and emotional and behavioral outcomes (e.g., internalizing/externalizing behaviors, behavioral disorders). Current prevention and intervention approaches to address childhood sleep problems include nutrition, exercise, cognitive-behavioral therapy for insomnia, aromatherapy, acupressure, and mindfulness. These interventions may be particularly important in the context of coronavirus disease 2019. Specific research and policy strategies can target the risk factors of child sleep as well as the efficacy and accessibility of treatments. CONCLUSIONS Given the increasing prevalence of child sleep problems, which have been shown to affect children's physical and neurobehavioral wellbeing, understanding the multi-aspect consequences and intervention programs for childhood sleep is important to inform future research direction as well as a public health practice for sleep screening and intervention, thus improving sleep-related child development and health.
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Affiliation(s)
- Jianghong Liu
- School of Nursing, University of Pennsylvania, 418 Curie Blvd., Room 424, Claire M. Fagin Hall, Philadelphia, PA, 19104, USA.
| | - Xiaopeng Ji
- College of Health Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Susannah Pitt
- Geisinger Commonwealth School of Medicine, Scranton, PA, 18510, USA
| | - Guanghai Wang
- Pediatric Translational Medicine Institute, Department of Developmental and Behavioral Pediatrics, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Elizabeth Rovit
- School of Nursing, University of Pennsylvania, 418 Curie Blvd., Room 424, Claire M. Fagin Hall, Philadelphia, PA, 19104, USA
| | - Terri Lipman
- School of Nursing, University of Pennsylvania, 418 Curie Blvd., Room 424, Claire M. Fagin Hall, Philadelphia, PA, 19104, USA
| | - Fan Jiang
- Pediatric Translational Medicine Institute, Department of Developmental and Behavioral Pediatrics, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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3
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Innocenti A, Lentini G, Rapacchietta S, Cinnirella P, Elia M, Ferri R, Bruni O. The Role of Supplements and Over-the-Counter Products to Improve Sleep in Children: A Systematic Review. Int J Mol Sci 2023; 24:ijms24097821. [PMID: 37175525 PMCID: PMC10178725 DOI: 10.3390/ijms24097821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 04/18/2023] [Accepted: 04/23/2023] [Indexed: 05/15/2023] Open
Abstract
The sleep-wake cycle is a complex multifactorial process involving several neurotransmitters, including acetylcholine, norepinephrine, serotonin, histamine, dopamine, orexin and GABA, that can be, in turn, regulated by different nutrients involved in their metabolic pathways. Although good sleep quality in children has been proven to be a key factor for optimal cognitive, physical and psychological development, a significant and ever-increasing percentage of the pediatric population suffers from sleep disorders. In children, behavioral interventions along with supplements are recommended as the first line treatment. This systematic review was conducted, according to the PRISMA guidelines, with the purpose of assessing the principal nutrients involved in the pathways of sleep-regulating neurotransmitters in children and adolescents. Our focus was the utilization of over the counter (OTC) products, specifically iron, hydroxytryptophan, theanine and antihistamines in the management of different pediatric sleep disorders with the intention of providing a practical guide for the clinician.
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Affiliation(s)
- Alice Innocenti
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University, 00185 Rome, Italy
| | - Giuliana Lentini
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University, 00185 Rome, Italy
| | - Serena Rapacchietta
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University, 00185 Rome, Italy
| | - Paola Cinnirella
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University, 00185 Rome, Italy
| | | | | | - Oliviero Bruni
- Department of Developmental and Social Psychology, Sapienza University, 00185 Rome, Italy
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4
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Caba-Flores MD, Ramos-Ligonio A, Camacho-Morales A, Martínez-Valenzuela C, Viveros-Contreras R, Caba M. Breast Milk and the Importance of Chrononutrition. Front Nutr 2022; 9:867507. [PMID: 35634367 PMCID: PMC9133889 DOI: 10.3389/fnut.2022.867507] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/11/2022] [Indexed: 12/12/2022] Open
Abstract
During pregnancy the human fetus receives timed cues from the circadian rhythms of temperature, metabolites, and hormones from the mother. This influence is interrupted after parturition, the infant does not secrete melatonin and their circadian rhythms are still immature. However, evolution provided the solution to this problem. The newborn can continue receiving the mother's timed cues through breastmilk. Colostrum, transitional, and mature human milk are extraordinary complex biofluids that besides nutrients, contain an array of other non-nutritive components. Upon birth the first milk, colostrum, is rich in bioactive, immunological factors, and in complex oligosaccharides which help the proper establishment of the microbiome in the gut, which is crucial for the infants' health. Hormones, such as glucocorticoids and melatonin, transfer from the mother's plasma to milk, and then the infant is exposed to circadian cues from their mother. Also, milk components of fat, proteins, amino acids, and endogenous cannabinoids, among others, have a markedly different concentration between day and night. In the present review, we give an overview of nutritive and non-nutritive components and their daily rhythms in human milk and explore their physiological importance for the infant. Finally, we highlight some interventions with a circadian approach that emphasize the importance of circadian rhythms in the newborn for their survival, proper growth, and development. It is estimated that ~600,000 deaths/year are due to suboptimal breastfeeding. It is advisable to increase the rate of exclusive breastfeeding, during the day and night, as was established by the evolution of our species.
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Affiliation(s)
| | - Angel Ramos-Ligonio
- LADISER Inmunología y Biología Molecular, Facultad de Ciencias Químicas, Universidad Veracruzana, Orizaba, Mexico
| | - Alberto Camacho-Morales
- Unidad de Neurometabolismo, Centro de Investigación y Desarrollo en Ciencias de la Salud, Universidad Autónoma de Nuevo León, San Nicolás de los Garza, Mexico
| | | | | | - Mario Caba
- Centro de Investigaciones Biomédicas, Universidad Veracruzana, Xalapa, Mexico
- *Correspondence: Mario Caba
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5
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Optimisation and Validation of a Nutritional Intervention to Enhance Sleep Quality and Quantity. Nutrients 2020; 12:nu12092579. [PMID: 32854375 PMCID: PMC7551573 DOI: 10.3390/nu12092579] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 01/18/2023] Open
Abstract
Background: Disturbed sleep may negatively influence physical health, cognitive performance, metabolism, and general wellbeing. Nutritional interventions represent a potential non-pharmacological means to increase sleep quality and quantity. Objective: (1) Identify an optimal suite of nutritional ingredients and (2) validate the effects of this suite utilising polysomnography, and cognitive and balance tests. Methods: The optimal and least optimal combinations of six ingredients were identified utilising 55 male participants and a Box–Behnken predictive model. To validate the model, 18 healthy, male, normal sleepers underwent three trials in a randomised, counterbalanced design: (1) optimal drink, (2) least optimal drink, or (3) placebo were provided before bed in a double-blinded manner. Polysomnography was utilised to measure sleep architecture. Cognitive performance, postural sway, and subjective sleep quality, were assessed 30 min after waking. Results: The optimal drink resulted in a significantly shorter sleep onset latency (9.9 ± 12.3 min) when compared to both the least optimal drink (26.1 ± 37.4 min) and the placebo drink (19.6 ± 32.0 min). No other measures of sleep, cognitive performance, postural sway, and subjective sleep quality were different between trials. Conclusion: A combination of ingredients, optimised to enhance sleep, significantly reduced sleep onset latency. No detrimental effects on sleep architecture, subjective sleep quality or next day performance were observed.
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6
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Jena A, Montoya CA, Mullaney JA, Dilger RN, Young W, McNabb WC, Roy NC. Gut-Brain Axis in the Early Postnatal Years of Life: A Developmental Perspective. Front Integr Neurosci 2020; 14:44. [PMID: 32848651 PMCID: PMC7419604 DOI: 10.3389/fnint.2020.00044] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 07/20/2020] [Indexed: 12/11/2022] Open
Abstract
Emerging evidence suggests that alterations in the development of the gastrointestinal (GI) tract during the early postnatal period can influence brain development and vice-versa. It is increasingly recognized that communication between the GI tract and brain is mainly driven by neural, endocrine, immune, and metabolic mediators, collectively called the gut-brain axis (GBA). Changes in the GBA mediators occur in response to the developmental changes in the body during this period. This review provides an overview of major developmental events in the GI tract and brain in the early postnatal period and their parallel developmental trajectories under physiological conditions. Current knowledge of GBA mediators in context to brain function and behavioral outcomes and their synthesis and metabolism (site, timing, etc.) is discussed. This review also presents hypotheses on the role of the GBA mediators in response to the parallel development of the GI tract and brain in infants.
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Affiliation(s)
- Ankita Jena
- School of Food & Advanced Technology, College of Sciences, Massey University, Palmerston North, New Zealand.,The Riddet Institute, Massey University, Palmerston North, New Zealand.,Food Nutrition & Health, Grasslands Research Centre, AgResearch, Palmerston North, New Zealand
| | - Carlos A Montoya
- The Riddet Institute, Massey University, Palmerston North, New Zealand.,Food Nutrition & Health, Grasslands Research Centre, AgResearch, Palmerston North, New Zealand
| | - Jane A Mullaney
- The Riddet Institute, Massey University, Palmerston North, New Zealand.,Food Nutrition & Health, Grasslands Research Centre, AgResearch, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Ryan N Dilger
- Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United States
| | - Wayne Young
- The Riddet Institute, Massey University, Palmerston North, New Zealand.,Food Nutrition & Health, Grasslands Research Centre, AgResearch, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Warren C McNabb
- The Riddet Institute, Massey University, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, Auckland, New Zealand
| | - Nicole C Roy
- The Riddet Institute, Massey University, Palmerston North, New Zealand.,High-Value Nutrition National Science Challenge, Auckland, New Zealand.,Liggins Institute, The University of Auckland, Auckland, New Zealand.,Department of Human Nutrition, University of Otago, Dunedin, New Zealand
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7
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Esposito D, Belli A, Ferri R, Bruni O. Sleeping without Prescription: Management of Sleep Disorders in Children with Autism with Non-Pharmacological Interventions and Over-the-Counter Treatments. Brain Sci 2020; 10:brainsci10070441. [PMID: 32664572 PMCID: PMC7407189 DOI: 10.3390/brainsci10070441] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 12/18/2022] Open
Abstract
Autism Spectrum Disorders (ASD) are lifelong neurodevelopmental conditions characterized by abnormal social interaction, communication, and behavior. Sleep disturbances represent a common comorbidity in children and adolescents with ASD, with prevalence ranging from 50 to 80%. It has been proved that sleep disruption worsens the symptoms of autism and results in challenging behaviors. Improving sleep should therefore be a primary therapeutic goal. Treatment options range from lifestyle modifications to pharmacological therapy. Several reviews have been written on pharmacological treatments, but very few on the beneficial effects of non-pharmacological interventions, over-the-counter drugs, and nutritional supplements. This study consists of a narrative review of the literature, presenting the available evidence on the following treatments: sleep education, behavioral interventions, complementary and alternative medicine (special mattresses and blankets, massage, aromatherapy, yoga, physical activity), and commonly used over-the-counter medications and supplements (antihistamines, melatonin, tryptophan, carnosine, iron, vitamins, and herbal remedies). For some treatments—such as melatonin and behavioral interventions—effectiveness in ASD is well established in the literature, while other interventions appear of benefit in clinical practice, even if specific studies in children and adolescents with ASD are lacking. Conversely, other treatments only seem to show anecdotal evidence supporting their use.
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Affiliation(s)
- Dario Esposito
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy; (D.E.); (A.B.)
| | - Arianna Belli
- Child Neurology and Psychiatry Unit, Department of Human Neurosciences, Sapienza University of Rome, 00185 Rome, Italy; (D.E.); (A.B.)
| | - Raffaele Ferri
- Sleep Research Centre, Oasi Research Institute–IRCCS, 94018 Troina, Italy;
| | - Oliviero Bruni
- Department of Developmental and Social Psychology, Sapienza University of Rome, 00185 Rome, Italy
- Correspondence:
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8
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9
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Arola-Arnal A, Cruz-Carrión Á, Torres-Fuentes C, Ávila-Román J, Aragonès G, Mulero M, Bravo FI, Muguerza B, Arola L, Suárez M. Chrononutrition and Polyphenols: Roles and Diseases. Nutrients 2019; 11:E2602. [PMID: 31671606 PMCID: PMC6893786 DOI: 10.3390/nu11112602] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/13/2022] Open
Abstract
Biological rhythms can influence the activity of bioactive compounds, and at the same time, the intake of these compounds can modulate biological rhythms. In this context, chrononutrition has appeared as a research field centered on the study of the interactions among biological rhythms, nutrition, and metabolism. This review summarizes the role of phenolic compounds in the modulation of biological rhythms, focusing on their effects in the treatment or prevention of chronic diseases. Heterotrophs are able to sense chemical cues mediated by phytochemicals such as phenolic compounds, promoting their adaptation to environmental conditions. This is called xenohormesis. Hence, the consumption of fruits and vegetables rich in phenolic compounds exerts several health benefits, mainly attributed to the product of their metabolism. However, the profile of phenolic compounds present in plants differs among species and is highly variable depending on agricultural and technological factors. In this sense, the seasonal consumption of polyphenol-rich fruits could induce important changes in the regulation of physiology and metabolism due to the particular phenolic profile that the fruits contain. This fact highlights the need for studies that evaluate the impact of these specific phenolic profiles on health to establish more accurate dietary recommendations.
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Affiliation(s)
- Anna Arola-Arnal
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Álvaro Cruz-Carrión
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Cristina Torres-Fuentes
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Javier Ávila-Román
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Gerard Aragonès
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Miquel Mulero
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Francisca Isabel Bravo
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Begoña Muguerza
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
| | - Lluís Arola
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
- Technological Unit of Nutrition and Health, EURECAT-Technology Centre of Catalonia, 43204 Reus, Spain.
| | - Manuel Suárez
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnología, Universitat Rovira i Virgili, 43007 Tarragona, Spain.
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10
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Garwolińska D, Namieśnik J, Kot-Wasik A, Hewelt-Belka W. Chemistry of Human Breast Milk-A Comprehensive Review of the Composition and Role of Milk Metabolites in Child Development. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:11881-11896. [PMID: 30247884 DOI: 10.1021/acs.jafc.8b04031] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Early nutrition has an enormous influence on a child's physiological function, immune system maturation, and cognitive development. Human breast milk (HBM) is recognized as the gold standard for human infant nutrition. According to a WHO report, breastfeeding is considered as an unequaled way of providing ideal food to the infant, which is required for his healthy growth and development. HBM contains various macronutrients (carbohydrates, proteins, lipids, and vitamins) as well as numerous bioactive compounds and interactive elements (growth factors, hormones, cytokines, chemokines, and antimicrobial compounds. The aim of this review is to summarize and discuss the current knowledge about metabolites, which are the least understood components of HBM, and their potential role in infant development. We focus on small metabolites (<1500 Da) and characterize the chemical structure and biological function of polar metabolites such as human milk oligosaccharides, nonprotein molecules containing nitrogen (creatine, amino acids, nucleotides, polyamines), and nonpolar lipids. We believe that this manuscript will provide a comprehensive insight into a HBM metabolite composition, chemical structure, and their role in a child's early life nutrition.
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Affiliation(s)
- Dorota Garwolińska
- Department of Analytical Chemistry, Faculty of Chemistry , Gdańsk University of Technology , Gabriela Narutowicza 11/12 , 80-233 Gdańsk , Poland
| | - Jacek Namieśnik
- Department of Analytical Chemistry, Faculty of Chemistry , Gdańsk University of Technology , Gabriela Narutowicza 11/12 , 80-233 Gdańsk , Poland
| | - Agata Kot-Wasik
- Department of Analytical Chemistry, Faculty of Chemistry , Gdańsk University of Technology , Gabriela Narutowicza 11/12 , 80-233 Gdańsk , Poland
| | - Weronika Hewelt-Belka
- Department of Analytical Chemistry, Faculty of Chemistry , Gdańsk University of Technology , Gabriela Narutowicza 11/12 , 80-233 Gdańsk , Poland
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11
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Friedman M. Analysis, Nutrition, and Health Benefits of Tryptophan. Int J Tryptophan Res 2018; 11:1178646918802282. [PMID: 30275700 PMCID: PMC6158605 DOI: 10.1177/1178646918802282] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 08/29/2018] [Indexed: 12/15/2022] Open
Abstract
Tryptophan is an essential plant-derived amino acid that is needed for the in vivo biosynthesis of proteins. After consumption, it is metabolically transformed to bioactive metabolites, including serotonin, melatonin, kynurenine, and the vitamin niacin (nicotinamide). This brief integrated overview surveys and interprets our current knowledge of the reported multiple analytical methods for free and protein-bound tryptophan in pure proteins, protein-containing foods, and in human fluids and tissues, the nutritional significance of l-tryptophan and its isomer d-tryptophan in fortified infant foods and corn tortillas as well the possible function of tryptophan in the diagnosis and mitigation of multiple human diseases. Analytical methods include the use of acid ninhydrin, near-infrared reflectance spectroscopy, colorimetry, basic hydrolysis; acid hydrolysis of S-pyridylethylated proteins, and high-performance liquid and gas chromatography-mass spectrometry. Also covered are the nutritional values of tryptophan-fortified infant formulas and corn-based tortillas, safety of tryptophan for human consumption and the analysis of maize (corn), rice, and soybean plants that have been successfully genetically engineered to produce increasing tryptophan. Dietary tryptophan and its metabolites seem to have the potential to contribute to the therapy of autism, cardiovascular disease, cognitive function, chronic kidney disease, depression, inflammatory bowel disease, multiple sclerosis, sleep, social function, and microbial infections. Tryptophan can also facilitate the diagnosis of certain conditions such as human cataracts, colon neoplasms, renal cell carcinoma, and the prognosis of diabetic nephropathy. The described findings are not only of fundamental scientific interest but also have practical implications for agriculture, food processing, food safety, nutrition, and animal and human health. The collated information and suggested research need will hopefully facilitate and guide further studies needed to optimize the use of free and protein-bound tryptophan and metabolites to help improve animal and human nutrition and health.
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Affiliation(s)
- Mendel Friedman
- Healthy Processed Foods Research and Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture, Albany, CA, USA
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12
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Empirical research evaluating the effects of non-traditional approaches to enhancing sleep in typical and clinical children and young people. Sleep Med Rev 2018; 39:69-81. [DOI: 10.1016/j.smrv.2017.07.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 07/12/2017] [Accepted: 07/18/2017] [Indexed: 12/20/2022]
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13
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Kałużna-Czaplińska J, Gątarek P, Chirumbolo S, Chartrand MS, Bjørklund G. How important is tryptophan in human health? Crit Rev Food Sci Nutr 2017; 59:72-88. [PMID: 28799778 DOI: 10.1080/10408398.2017.1357534] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Tryptophan (Trp) is an amino acid and an essential component of the human diet. It plays a crucial role in many metabolic functions. Clinicians can use Trp levels in the course of diagnosing various metabolic disorders and the symptoms associated with those diseases. Furthermore, supplementation with this amino acid is considered in the treatment of depression and sleep disorders, mainly due to the Trp relationship with the synthesis of serotonin (5-HT) and melatonin. It is also used in helping to resolve cognitive disorders, anxiety, or neurodegenerative diseases. Reduced secretion of serotonin is associated with autism spectrum disorder, obesity, anorexia and bulimia nervosa, and other diseases presenting peripherals symptoms. The literature strongly suggests that Trp has a significant role in the correct functionality of the brain-gut axis and immunology. This information leads to the consideration of Trp as an essential dietary component due to its role in the serotonin pathway. A reduced availability of Trp in diet and nutraceutical supplementation should be considered with greater concern than one might expect. This paper constitutes a review of the more salient aspects gleaned from the current knowledge base about the role of Trp in diseases, associated nutritional disorders, and food science, in general.
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Affiliation(s)
- Joanna Kałużna-Czaplińska
- a Department of Chemistry, Institute of General and Ecological Chemistry , Lodz University of Technology , Lodz , Poland
| | - Paulina Gątarek
- a Department of Chemistry, Institute of General and Ecological Chemistry , Lodz University of Technology , Lodz , Poland
| | - Salvatore Chirumbolo
- b Department of Neurological and Movement Sciences , University of Verona , Italy
| | | | - Geir Bjørklund
- d Council for Nutritional and Environmental Medicine , Mo i Rana , Norway
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14
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Abstract
Several components of breast milk show circadian variability. It is likely that at least some of these macronutrients, hormones, and micronutrients produce circadian stimuli that enhance the well-being of breast-fed infants. Future research should determine whether high-risk infants benefit if breast milk is given during the same circadian phase as it was expressed.
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Affiliation(s)
- Robert D White
- Pediatrix Medical Group, Regional Newborn Program, Beacon Children's Hospital , South Bend, Indiana
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15
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Schneider N, Mutungi G, Cubero J. Diet and nutrients in the modulation of infant sleep: A review of the literature. Nutr Neurosci 2016; 21:151-161. [PMID: 27868947 DOI: 10.1080/1028415x.2016.1258446] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The establishment of organized sleep patterns is an important developmental process during infancy. Little is known about the role of nutrition in sleep maturation. This review focuses on exploring the link between infant sleep and nutrition with the aim to provide an overview of existing literature on the impact of diet and specific nutrients on sleep modulation in infants. METHODS An exploratory literature search was performed on the topic in Medline, Scopus and Cochrane Library databases, with a focus on publications in English. RESULTS Both the type of nutrients consumed and the timing at which they were consumed, relative to sleeping time, have been reported to influence infant sleep. Some nutrients have been shown to naturally fluctuate in maternal breast milk with circadian rhythm, and nutrients such as tryptophan, nucleotides, essential fatty acids and Omega-3 long-chain fatty acids have been suggested to impact infant sleep. DISCUSSION In summary, little is known about the nutritional impact on infant sleep and sleep maturation, particularly with regard to specific nutrients. While nutrients like tryptophan and nucleotides seem to impact sleep at the level of brain activity, some fatty acids may affect sleep as a result of their role in supporting the maturity of the central nervous system. In our view, the existing literature indicates that the link between nutrition and infant sleep may be a promising concept to support this crucial phase of early development.
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Affiliation(s)
- Nora Schneider
- a Nestec Ltd, Nestlé Research Center , Vers-Chez-les-Blanc, 1000 Lausanne 26, Switzerland
| | | | - Javier Cubero
- c Health Education Lab, Experimental Science Education Area , University of Extremadura , Badajoz , Spain
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Abstract
Sleep has numerous important physiological and cognitive functions that may be particularly important to elite athletes. Recent evidence, as well as anecdotal information, suggests that athletes may experience a reduced quality and/or quantity of sleep. Sleep deprivation can have significant effects on athletic performance, especially submaximal, prolonged exercise. Compromised sleep may also influence learning, memory, cognition, pain perception, immunity and inflammation. Furthermore, changes in glucose metabolism and neuroendocrine function as a result of chronic, partial sleep deprivation may result in alterations in carbohydrate metabolism, appetite, food intake and protein synthesis. These factors can ultimately have a negative influence on an athlete’s nutritional, metabolic and endocrine status and hence potentially reduce athletic performance. Research has identified a number of neurotransmitters associated with the sleep–wake cycle. These include serotonin, gamma-aminobutyric acid, orexin, melanin-concentrating hormone, cholinergic, galanin, noradrenaline, and histamine. Therefore, nutritional interventions that may act on these neurotransmitters in the brain may also influence sleep. Carbohydrate, tryptophan, valerian, melatonin and other nutritional interventions have been investigated as possible sleep inducers and represent promising potential interventions. In this review, the factors influencing sleep quality and quantity in athletic populations are examined and the potential impact of nutritional interventions is considered. While there is some research investigating the effects of nutritional interventions on sleep, future research may highlight the importance of nutritional and dietary interventions to enhance sleep.
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Bravo R, Matito S, Cubero J, Paredes SD, Franco L, Rivero M, Rodríguez AB, Barriga C. Tryptophan-enriched cereal intake improves nocturnal sleep, melatonin, serotonin, and total antioxidant capacity levels and mood in elderly humans. AGE (DORDRECHT, NETHERLANDS) 2013; 35:1277-85. [PMID: 22622709 PMCID: PMC3705114 DOI: 10.1007/s11357-012-9419-5] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Accepted: 04/20/2012] [Indexed: 05/23/2023]
Abstract
Melatonin and serotonin rhythms, which exhibit a close association with the endogenous circadian component of sleep, are attenuated with increasing age. This decrease seems to be linked to sleep alterations in the elderly. Chrononutrition is a field of chronobiology that establishes the principle of consuming foodstuffs at times of the day when they are more useful for health, improving, therefore, biorhythms and physical performance. Our aim was to analyze whether the consumption of cereals enriched with tryptophan, the precursor of both serotonin and melatonin, may help in the reconsolidation of the sleep/wake cycle and counteract depression and anxiety in 35 middle-aged/elderly (aged 55-75 year) volunteers in a simple blind assay. Data were collected for 3 weeks according to the following schedule: The control week participants consumed standard cereals (22.5 mg tryptophan in 30 g cereals per dose) at breakfast and dinner; for the treatment week, cereals enriched with a higher dose of tryptophan (60 mg tryptophan in 30 g cereals per dose) were eaten at both breakfast and dinner; the posttreatment week volunteers consumed their usual diet. Each participant wore a wrist actimeter that logged activity during the whole experiment. Urine was collected to analyze melatonin and serotonin urinary metabolites and to measure total antioxidant capacity. The consumption of cereals containing the higher dose in tryptophan increased sleep efficiency, actual sleep time, immobile time, and decreased total nocturnal activity, sleep fragmentation index, and sleep latency. Urinary 6-sulfatoxymelatonin, 5-hydroxyindoleacetic acid levels, and urinary total antioxidant capacity also increased respectively after tryptophan-enriched cereal ingestion as well as improving anxiety and depression symptoms. Cereals enriched with tryptophan may be useful as a chrononutrition tool for alterations in the sleep/wake cycle due to age.
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Affiliation(s)
- R Bravo
- Department of Physiology Neuroimmunophysiology and Chrononutrition Research Group, Faculty of Science, University of Extremadura (UEx), Badajoz, Spain.
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Meltzer LJ, Montgomery-Downs HE, Insana SP, Walsh CM. Use of actigraphy for assessment in pediatric sleep research. Sleep Med Rev 2012; 16:463-75. [PMID: 22424706 PMCID: PMC3445439 DOI: 10.1016/j.smrv.2011.10.002] [Citation(s) in RCA: 424] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 10/03/2011] [Accepted: 10/14/2011] [Indexed: 02/02/2023]
Abstract
The use of actigraphs, or ambulatory devices that estimate sleep-wake patterns from activity levels, has become common in pediatric research. Actigraphy provides a more objective measure than parent-report, and has gained popularity due to its ability to measure sleep-wake patterns for extended periods of time in the child's natural environment. The purpose of this review is: 1) to provide comprehensive information on the historic and current uses of actigraphy in pediatric sleep research; 2) to review how actigraphy has been validated among pediatric populations; and 3) offer recommendations for methodological areas that should be included in all studies that utilize actigraphy, including the definition and scoring of variables commonly reported. The poor specificity to detect wake after sleep onset was consistently noted across devices and age groups, thus raising concerns about what is an "acceptable" level of specificity for actigraphy. Other notable findings from this review include the lack of standard scoring rules or variable definitions. Suggestions for the use and reporting of actigraphy in pediatric research are provided.
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Affiliation(s)
- Lisa J. Meltzer
- National Jewish Health, 1400 Jackson Street, G311, Denver, CO
80206, 303-398-1837 (P), 303-270-2141 (F)
| | | | - Salvatore P. Insana
- University of Pittsburgh Medical Center, 3811 O’Hara
Street, E-1107, Pittsburgh, PA 15213, 412-246-6943 (P)
| | - Colleen M. Walsh
- Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104,
215-662-3189 (P)
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Franco L, Sánchez C, Bravo R, Rodríguez AB, Barriga C, Romero E, Cubero J. The sedative effect of non-alcoholic beer in healthy female nurses. PLoS One 2012; 7:e37290. [PMID: 22815680 PMCID: PMC3399866 DOI: 10.1371/journal.pone.0037290] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Accepted: 04/17/2012] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION The hop (Humulus lupulus L.), a component of beer, is a sedative plant whose pharmacological activity is principally due to its bitter resins, in particular to the α-acid degradation product 2-methyl-3-buten-2-ol. The mechanism of action of hop resin consists of raising the levels of the neurotransmitter γ-aminobutyric acid (GABA), an inhibitory neurotransmitter acting in the central nervous system (CNS). OBJECTIVES To analyze the sedative effect of hops as a component of non-alcoholic beer on the sleep/wake rhythm in a work-stressed population. METHODS The experiment was conducted with healthy female nurses (n = 17) working rotating and/or night shifts. Overnight sleep and chronobiological parameters were assessed by actigraphy (Actiwatch®) after moderate ingestion of non-alcoholic beer containing hops (333 ml with 0.0% alcohol) with supper for 14 days (treatment). Data were obtained in comparison with her own control group without consumption of beer during supper. RESULTS Actigraphy results demonstrated improvement of night sleep quality as regards the most important parameters: Sleep Latency diminished (p≤0.05) in the Treatment group (12.01±1.19 min) when compared to the Control group (20.50±4.21 min), as also did Total Activity (p≤0.05; Treatment group = 5284.78±836.99 activity pulses vs Control = 7258.78±898.89 activity pulses). In addition, anxiety as indexed by the State-Trait Anxiety Inventory (STAI) decreased in the Treatment group (State Anxiety 18.09±3.8 vs Control 20.69±2.14). CONCLUSION The moderate consumption of non-alcoholic beer will favour night-time rest, due in particular to its hop components, in addition to its other confirmed benefits for the organism.
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Affiliation(s)
- Lourdes Franco
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
| | - Cristina Sánchez
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
| | - Rafael Bravo
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
| | - Ana B. Rodríguez
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
| | - Carmen Barriga
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
| | - Eulalia Romero
- SES, Hospital Universitario Infanta Cristina, Badajoz, Spain
| | - Javier Cubero
- Neuroimmunophysiology and Chrononutrition Research Group, Department of Physiology, Faculty of Sciences, University of Extremadura, Badajoz, Spain
- Laboratory of Health Education, Science Education Area, University of Extremadura, Badajoz, Spain
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Peuhkuri K, Sihvola N, Korpela R. Diet promotes sleep duration and quality. Nutr Res 2012; 32:309-19. [PMID: 22652369 DOI: 10.1016/j.nutres.2012.03.009] [Citation(s) in RCA: 270] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 03/13/2012] [Accepted: 03/20/2012] [Indexed: 12/12/2022]
Abstract
Sleep, much like eating, is an essential part of life. The mechanisms of sleep are only partially clear and are the subject of intense research. There is increasing evidence showing that sleep has an influence on dietary choices. Both cross-sectional and epidemiologic studies have demonstrated that those who sleep less are more likely to consume energy-rich foods (such as fats or refined carbohydrates), to consume fewer portions of vegetables, and to have more irregular meal patterns. In this narrative review, we pose the opposite question: can ingested food affect sleep? The purpose of this review is to discuss the evidence linking diet and sleep and to determine whether what we eat and what kind of nutrients we obtain from the food consumed before bedtime matter. In addition, scientific evidence behind traditional sleep-promoting foods such as milk and some herbal products is briefly described. These are reviewed using data from clinical trials, mostly in healthy subjects. In addition, we discuss the possible mechanisms behind these observations. Lastly, we summarize our findings that emerging evidence confirms a link between diet and sleep. Overall, foods impacting the availability of tryptophan, as well as the synthesis of serotonin and melatonin, may be the most helpful in promoting sleep. Although there are clear physiological connections behind these effects, the clinical relevance needs to be studied further.
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Affiliation(s)
- Katri Peuhkuri
- Institute of Biomedicine, Pharmacology, Medical Nutrition Physiology, University of Helsinki, Helsinki, Finland.
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Garrido M, Espino J, Toribio-Delgado AF, Cubero J, Maynar-Mariño JI, Barriga C, Paredes SD, Rodríguez AB. A jerte valley cherry-based product as a supply of tryptophan. Int J Tryptophan Res 2012; 5:9-14. [PMID: 22553424 PMCID: PMC3338327 DOI: 10.4137/ijtr.s9394] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
L-Tryptophan (tryptophan) is an essential amino acid in humans. It has important roles as a precursor of different bioactive compounds. Based on previous studies in which tryptophan has been shown to be present in fresh cherries, the aim of the present work was to analyze the tryptophan content of a Jerte Valley cherry-based product. A previously optimized method of analysis of tryptophan was used, ie, high-performance liquid chromatography with fluorescence detection (HPLC/FL). As expected, HPLC/FL technique permitted to detect and quantify the tryptophan content in a different matrix rather than fresh cherries. In fact, the Jerte Valley cherry-based product contained 69.54 ± 10.64 ppm of tryptophan, thereby showing that this product is a good source of tryptophan. In summary, it has been proven that the Jerte Valley cherry-based product is rich in tryptophan and may be indicated as a supply of this essential amino acid as well as having potential health benefits for conditions where tryptophan is necessary.
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Affiliation(s)
- María Garrido
- Department of Physiology (Neuroimmunophysiology and Chrononutrition Research Group, Faculty of Science), University of Extremadura, Badajoz, Spain
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