Melanins Functions Biotechnological Production And Applications
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Melanins Functions Biotechnological Production And Applications
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Author : Guillermo Gosset
language : en
Publisher: Springer Nature
Release Date : 2023-05-30
Melanins Functions Biotechnological Production And Applications written by Guillermo Gosset and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-30 with Science categories.
This book provides an up-to-date overview of the biological functions of melanins, their biotechnological production, and their industrial applications. The melanins form a group of polymeric pigments found in most organisms. These natural products are generated by the oxidation of phenolic and indolic molecules yielding melanins, which include eumelanin, pheomelanin, pyomelanin, and the allomelanins. These pigments have diverse biological functions, including photoprotection, thermoregulation, antioxidation, virulence, and metal ion sequestration. Melanins have physicochemical properties that have proven useful in the optical, electronic, material, agriculture, cosmetic, pharmaceutical, and medical industries. The chapters in this book provide an in-depth analysis of the current issues and challenges in this field. Topics covered include the properties, biogenesis, and evolution of melanosomes. The book also addresses the synthesis and industrial production of melanins by microorganisms. The metabolic pathways for the synthesis of several types of polymeric pigments in microorganisms and their role in pathogenesis are reviewed. The large-scale production and purification of melanins to provide this product for industrial applications is a formidable challenge. Two chapters present and discuss the state-of-the-art used for the generation of microbial melanin-production strains and the processes for the biotechnological synthesis and purification of these pigments. Melanins are polymers that can interact with metals, a chapter reviews this capacity in the context of technological applications, including electrochemical energy storage and metal recovery. These polymers are materials having favorable characteristics for photonic applications, including UV blocking and broadband absorption. The current advances in the application of these pigments in optically active materials are presented and discussed.
Melanin
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Author : Miroslav Blumenberg
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-03-01
Melanin written by Miroslav Blumenberg and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-01 with Science categories.
The word melanin refers to dark natural pigments produced by the oxidative degradation of tyrosine, catalyzed by tyrosinase, and polymerized into insoluble granular substance. The main function of melanin is to protect from harmful agents, primarily UV radiation, but also from oxidation, heavy metals, etc. In this volume, chapters deal with production of melanin in human oral mucosa (Liviu et al.), the regulation of melanin action (Cecile et al.), production and potential technological application of fungal melanins (Pombiero-Sponchiado et al.) and an innovative method for measuring melanin in various samples (Zdybel et al.). In conclusion, this volume presents various biological and industrial aspects of melanin production, uses and analysis.
Melanin
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Author : Xiao-Peng Ma
language : en
Publisher: Nova Science Publishers
Release Date : 2014-05-14
Melanin written by Xiao-Peng Ma and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-14 with Human skin color categories.
Human melanin is synthesized in melanosomes located in melanocytes of the skin, hair, eyes, and leptomeninges. Melanin not only determines skin color, but also protects the skin from UV damage by absorbing UV light. In this book, the authors present current research in the study of the biosynthesis, functions and health effects of melanin. Topics include melanogenesis and natural hypopigmentation agents; fungal melanins; the coat color genes that regulate eumelanin and pheomelanin synthesis in melanocytes; the role of melanin production in gaeumannomyces graminis infection of cereal plants and the occurrence and function of melanic pigmentation in ectothermic vertebrates.
Melanins And Melanosomes
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Author : Jan Borovansky
language : en
Publisher: John Wiley & Sons
Release Date : 2011-10-05
Melanins And Melanosomes written by Jan Borovansky and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-05 with Science categories.
The surface pigmentation of vertebrates is controlled by specialized cells able to synthesize a variety of pigments collectively known as melanins. Recent research has shown that melanins are produced not only in the skin but also in many other sites such as the eye, inner ear, muscles, etc., - where they are engaged in some unanticipated roles. The details of the synthetic pathway, the complexities of its regulation and biological significance that have been unravelled in recent research comprise a fascinating story and are of key importance in understanding the nature of diseases, including malignant melanoma one of the most rapidly spreading cancers.
Production Of Melanin Pigment By Fungi And Its Biotechnological Applications
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Author : Sandra R. Pombeiro-Sponchiado
language : en
Publisher:
Release Date : 2017
Production Of Melanin Pigment By Fungi And Its Biotechnological Applications written by Sandra R. Pombeiro-Sponchiado and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Science categories.
Production of the microbial pigments is one of the emerging fields of research due to a growing interest of the industry for safer products, easily degradable and eco-friendly. Fungi constitute a valuable source of pigments because they are capable of producing high yields of the substance in the cheap culture medium, making the bioprocess economically viable on the industrial scale. Some fungal species produce a dark-brown pigment, known as melanin, by oxidative polymerization of phenolic compounds, such as glutaminyl-3,4-dihydroxybenzene (GDHB) or catechol or 1,8-dihydroxynaphthalene (DHN) or 3,4-dihydroxyphenylalanine (DOPA). This pigment has been reported to act as "fungal armor" due to its ability to protect fungi from adverse conditions, neutralizing oxidants generated in response to stress. Apart from the scavenging activity, melanin exhibits other biological activities, including thermoregulatory, radio- and photoprotective, antimicrobial, antiviral, cytotoxic, anti-inflammatory, and immunomodulatory. Studies have shown that the media composition and cultivation conditions affect the pigment production in fungi and the manipulation of these parameters can result in an increase in pigment yield for large-scale pigment production. This chapter presents a comprehensive discussion of the research on fungal melanin, including the recently discovered biological activities and the potential use of this pigment for various biotechnological applications in the fields of biomedicine, dermocosmetics, materials science, and nanotechnology.
Melanin
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Author :
language : en
Publisher:
Release Date : 19??
Melanin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with categories.
Melanins And Melanogenesis
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Author : Giuseppe Prota
language : en
Publisher: Academic Press
Release Date : 2012-12-02
Melanins And Melanogenesis written by Giuseppe Prota and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
This volume covers all aspects of melanin pigmentation, providing a concise, comprehensive picture of new knowledge gained at the frontiers of research. It draws heavily on the author's 30-year activity in the field and his continuing work with specialists of widely diverse disciplines. The core of the volume deals with the structure, physicochemical properties, and biosynthesis of the major classes of melanin pigments, including neuromelanins. Further discussions include the biology of the various types of pigment-producing cells, the structure and mode of action of tyrosinase, and the chemistry of urinary melanogens and their biomedical applications as metabolic markers of melanocyte activity, especially for the follow-up of malignant melanoma. Finally, the volume considers progress in the photobiology and photochemistry of melanins, with special emphasis on the controversial role of these pigments in skin photoprotection. Melanins and Melanogenesis is ideally suited as a basic guide for newcomers, and a handy source of specific information for practitioners in academic, medical, and industrial settings.
Fungal Pigments
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Author : Laurent Dufossé
language : en
Publisher: MDPI
Release Date : 2018-03-23
Fungal Pigments written by Laurent Dufossé and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-23 with Electronic books categories.
This book is a printed edition of the Special Issue "Fungal Pigments" that was published in JoF
Biotechnological Production And Conversion Of Aromatic Compounds And Natural Products
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Author : Nils Jonathan Helmuth Averesch
language : en
Publisher: Frontiers Media SA
Release Date : 2020-07-31
Biotechnological Production And Conversion Of Aromatic Compounds And Natural Products written by Nils Jonathan Helmuth Averesch and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-31 with categories.
Nanocosmetics
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Author : Arun Nanda
language : en
Publisher: Elsevier
Release Date : 2020-05-06
Nanocosmetics written by Arun Nanda and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-06 with Technology & Engineering categories.
Nanotechnology is key to the design and manufacture of the new generation of cosmetics. Nanotechnology can enhance the performance and properties of cosmetics, including colour, transparency, solubility, texture, and durability. Sunscreen products, such as UV nano-filters, nano-TiO2 and nano-ZnO particles, can offer an advantage over their traditional counterparts due to their broad UV-protection and non-cutaneous side effects. For perfumes, nano-droplets can be found in cosmetic products including Eau de Toilette and Eau de Parfum. Nanomaterials can also be used in cosmetics as transdermal drug delivery systems. By using smart nanocontainers, active compounds such as vitamins, antioxidants, nutrients, and anti-inflammatory, anti-infective agents, can be delivered effectively. These smart nanocontainers are typically related with the smart releasing property for their embedded active substances. These smart releases could be obtained by using the smart coatings as their outer nano-shells. These nano-shells could prevent the direct contact between these active agents and the adjacent local environments. Nanocosmetics: Fundamentals, Applications and Toxicity explores the formulation design concepts and emerging applications of nanocosmetics. The book also focuses on the mitigation or prevention of their potential nanotoxicity, potential global regulatory challenges, and the technical challenges of mass implementation. It is an important reference source for materials scientists and pharmaceutical scientists looking to further their understanding of how nanotechnology is being used for the new generation of cosmetics. Outlines the major fabrication and formulation design concepts of nanoscale products for cosmetic applications Explores how nanomaterials can safely be used for various applications in cosmetic products Assesses the major challenges of using nanomaterials for cosmetic applications on a large scale