Vitamins and Supplements

Sunlight, Vitamin D and Skin Cancer

This series provides a useful, applications-oriented forum for the next generation of macromolecules and materials. Applications include non-linear optical materials, specialty magnetic materials, liquid crystals, anticancer and antiviral drugs, treatment of arthritis, antibacterial drugs, antifouling materials, treatment of certain vitamin deficiencies, electrical conductors and semiconductors, piezoelectronic materials, electrodes, UV absorption applications, super-strength materials, special lubricants and gaskets, selective catalytic and multi-site catalytic agents.

N-heterocyclic carbenes (NHCs) have found increasing use as reagents for a range of organic transformations and in asymmetric organocatalysis. The performance of these molecules can be improved and tuned by functionalisation. Functionalised carbenes can anchor free carbenes to the metal site, introduce hemilability, provide a means to immobilise transition metal carbene catalysts, introduce chirality, provide a chelate ligand or bridge two metal centres. NHC can be attached to carbohydrates and campher, derived from amino acids and purines, they can be used as organocatalysts mimicking vitamin B1 or as weak “solvent” donors in lanthanide chemistry. Functionalised N-Heterocyclic Carbene Complexes describes major trends in functionalised NHC ligands, aiming to assist readers in their attempts to develop and apply their own functionalised carbenes. After an introduction to the chemistry and behaviour of NHC, the book gives a detailed description of functionalised carbenes and their complexes according to a range of functional groups, each with a discussion of the synthetic route, structure, stability and performance. Functionalised N-Heterocyclic Carbene Complexes is an essential guide to fine-tuning this important class of compounds for practitioners, researchers and advanced students working in synthetic organometallic and organic chemistry and catalysis.

Under the capable and qualified editorial leadership of Dr. Gerald Litwack, Vitamins and Hormones continues to publish cutting-edge reviews of interest to endocrinologists, biochemists, nutritionists, pharmacologists, cell biologists, and molecular biologists. First published in 1943, Vitamins and Hormones is the longest-running serial published by Academic Press. In the early days of the Serial, the subjects of vitamins and hormones were quite distinct. Now, new discoveries have proved that several of the vitamins function as hormones and many of the substances inferred by the title of the serial function in signal transduction processes. Accordingly, the Editor-in-Chief has expanded the scope of the serial to reflect this newer understanding of function-structure relationships in cellular communication. The Editorial Board now reflects expertise in the field of hormone action, vitamin action, X-ray crystal structure, physiology, and enzyme mechanisms.

Under the capable and qualified editorial leadership of Dr. Gerald Litwack, Vitamins and Hormones continues to publish cutting-edge reviews of interest to endocrinologists, biochemists, nutritionists, pharmacologists, cell biologists, and molecular biologists. First published in 1943, Vitamins and Hormones is the longest-running serial published by Academic Press. In the early days of the Serial, the subjects of vitamins and hormones were quite distinct. Now, new discoveries have proved that several of the vitamins function as hormones and many of the substances inferred by the title of the serial function in signal transduction processes. Accordingly, the Editor-in-Chief has expanded the scope of the serial to reflect this newer understanding of function-structure relationships in cellular communication. The Editorial Board now reflects expertise in the field of hormone action, vitamin action, X-ray crystal structure, physiology, and enzyme mechanisms.This volume comprises three groups of contributors. The first three papers deal with receptors and their actions. The second group of three papers are on diabetes and specific hormones. The last three papers are presentations on various aspects of vitamins and growth factors.

Written by experts at the forefront of phytochemical analysis, this book covers the important classes of bioactive components of functional foods and nutraceuticals. It also includes some components for which no acceptable methods of analysis are yet available. Organized by compound class, Methods of Analysis for Functional Foods and Nutraceuticals provides a central resource and a valuable reference for the analysis of well known functional food components, such as carbohydrates, lipids, and vitamins, and a unique resource for descriptions of the analytical methodology for non-nutritive food ingredients.

With contributions from a panel of leading international experts, the Handbook of Nutraceuticals and Functional Foods, Second Edition, provides a collection of the most current topics in nutraceuticals and functional foods. This edition features new and revised chapters, including the topics of vitamin E, nutritional supplements and inflammation, whey protein, cereals, beverages, and fruits. This authoritative guide serves as a comprehensive, all-in-one reference source for professionals in food chemistry and engineering as well as nutritional, pharmaceutical, and biomedical science and makes an ideal text for students specializing in these fields.

Continuing the tradition of the acclaimed first edition, this book examines in detail the physiologic effects of food supplements, vitamins, and herbal remedies. Considering the site, mode, and mechanism of action, the author explains the desired and adverse effects and interactions of each herb, drug, and food, and either endorses or debunks popular conceptions with pure scientific data. Paying particular attention to diabetes, cardiovascular disease, and obesity, as well as incorporating current research on the role of chronic systemic inflammation and the cumulative effect of free radicals on the aging process, the author answers today's naturopathic questions. Deconstructing the interaction among herbal properties, physiology, and disease, this book opens the door to successful herbal treatment.

Over the last several years it has become apparent to most researchers that interdisciplinary research is the key to success in the sciencesa (TM) future. The present book exemplifies such interdisciplinary work. Thus, some new derivatives have been prepared by chemists and consecutively analyzed by physicists in order to better understand their physical-chemical properties for future tests to be performed by pharmacists. The book consists of an introductory section and other eight chapters. First, the fundamentals of infrared, Raman and surface-enhanced Raman spectroscopy and those of the theoretical methods employed for the vibrational prediction modes are highlighted. The SERS investigations illustrated in the following chapters are focused on different kinds of drugs: tranquilizers and sedatives, anti-inflammatory drugs, vitamins, drugs with anti-bacterial properties, etc. Since there is an increased interest in designing highly effective and controllable SERS-active substrates, a few newly developed substrates that could contribute to a deeper understanding and knowledge of the adsorption behavior of various types of molecules of pharmaceutical and medical interest are also presented.

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Delineates the underlying biochemical principles for alternative cancer therapies. This book includes coverage of the link between concepts and practices of alternative and conventional medicine. It examines anticancer plant substances and other alternatives such as Vitamin C, essiac tea, shark cartilage, and cat's claw.