Analysis Of Sterols

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Analysis Of Sterols

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Author : J. Goad
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Analysis Of Sterols written by J. Goad and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it Samuel Johnson, 18 April, 1775* Sterols are among the most studied groups of natural products with interest commencing in the 19th century and running to the present. Investigations have embraced the refinement of separation procedures, the development of new analytical techniques and instrumentation for structure elucidation, the unravelling of biosynthetic mechanisms, the determination of the physiological functions of sterols, and the role they play in health and disease. In the past 20-30 years interest in the medical implications of sterol biochemistry, studies on the sterols of plants, algae and fungi, and the identification of the many unusual sterols from marine organisms have proceeded in parallel and somewhat independently. Although the motiva tion and goals for the various lines of investigation have differed widely the researchers working in each of these areas have contributed a wealth of knowledge to the literature relating to the analysis of sterols and many diverse new sterols have been discovered. We conceived this book as a modest attempt to bring together some of this literature in the hope that it may be helpful to newcomers to sterol research. We had originally intended to produce a 'handbook' outlining in detail the protocols to be followed for sterol extraction, chromatography, NMR analysis, etc. in order to identify the components of a sterol mixture.

Analysis Of Sterols And Other Biologically Significant Steroids

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Author : W. David Nes
language : en
Publisher: Elsevier
Release Date : 2012-12-02

Analysis Of Sterols And Other Biologically Significant Steroids written by W. David Nes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.

Analysis of Sterols and Other Biologically Significant Steroids provides the fundamental training for the analysis of selected sterols and steroids. The book is composed of chapters that review the spectroscopic and chromatographic properties of certain sterols and steroids. The text also teaches how to isolate and characterize sterols and steroid metabolites of plant, fungal, and insect origin. Lipoprotein analysis and the utilization of physical-analytical techniques are likewise provided. Biochemists, microbiologists, and medical physiologists will find the book useful.

Analysis Of Sterols

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Author : J. Goad
language : en
Publisher: Springer
Release Date : 1997-03-31

Analysis Of Sterols written by J. Goad and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-03-31 with Science categories.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it Samuel Johnson, 18 April, 1775* Sterols are among the most studied groups of natural products with interest commencing in the 19th century and running to the present. Investigations have embraced the refinement of separation procedures, the development of new analytical techniques and instrumentation for structure elucidation, the unravelling of biosynthetic mechanisms, the determination of the physiological functions of sterols, and the role they play in health and disease. In the past 20-30 years interest in the medical implications of sterol biochemistry, studies on the sterols of plants, algae and fungi, and the identification of the many unusual sterols from marine organisms have proceeded in parallel and somewhat independently. Although the motiva tion and goals for the various lines of investigation have differed widely the researchers working in each of these areas have contributed a wealth of knowledge to the literature relating to the analysis of sterols and many diverse new sterols have been discovered. We conceived this book as a modest attempt to bring together some of this literature in the hope that it may be helpful to newcomers to sterol research. We had originally intended to produce a 'handbook' outlining in detail the protocols to be followed for sterol extraction, chromatography, NMR analysis, etc. in order to identify the components of a sterol mixture.

Recent Development In The Analysis Of Sterols

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Author : J.-P. Wolff
language : en
Publisher:
Release Date : 1980

Recent Development In The Analysis Of Sterols written by J.-P. Wolff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

Methods For The Paperchromatographic Analysis Of Sterols

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Author : J. W. Copius Peereboom
language : en
Publisher:
Release Date : 1962

Methods For The Paperchromatographic Analysis Of Sterols written by J. W. Copius Peereboom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.

Methods For The Analysis Of Sterols In Human Milk

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Author : Richard Anthony Ferraina
language : en
Publisher:
Release Date : 1984

Methods For The Analysis Of Sterols In Human Milk written by Richard Anthony Ferraina and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Breast milk categories.

Sterols Types Classification And Structure

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Author : Scott Jimenez
language : en
Publisher:
Release Date : 2020-04-18

Sterols Types Classification And Structure written by Scott Jimenez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-18 with categories.

This book describes the methodology used to determine sterol content in coral reef food webs, and how sterol data is used in trophic ecology studies. The authors briefly explain the basics of gas chromatography and mass spectrometry as necessary tools to confidently separate, identify, and quantify sterols. Sterols from different sponge families have been described, however, few studies have been conducted involving the sterols of the freshwater sponge compared to those of the marine environment. The number of sterols present varies with the species, and this characteristic make it possible to use this data as a chemosystematic marker. In olive oil, sterols constitute the majority of the unsaponifiable fraction. In recent years, there has been increased interest in the sterols of olive oil due to their health benefits and their importance to virgin olive oil quality. Thus, the authors discuss recent findings concerning the effect of cultivars on the sterolic profile of extra virgin olive oil. The subsequent study aims to contribute to the optimisation and valorisation of virgin olive oil quality in the world olive-producing areas. This work was carried out on the study of virgin olive oil from two new olive varieties obtained through uncontrolled crossings. The sterolic fraction of argan oil is also compared to that of olive oil. The total phytosterol content ranged from 1700.80 mg/kg in chemlali oil to 150.40mg/kg in argan oil. In contrast to chemlali oil in which Î2-sitosterol is predominant, the major sterols detected in argan oil is schottenol and spinasterol. Additionally, the standards of the European Union legislation for fats and oils can help to verify olive oil authenticity using the sterolic profile. As such, this collection critiques the existing regulatory methods and standards, highlights weaknesses and proposes possible solutions to safeguard the consumer and protect the olive oil market. In closing, the authors examine the analysis of phytosterols, a multistage procedure that includes extraction, isolation/purification as a group of related compounds and a chromatographic technique for separation, identification, and quantification.

Development Of A Spectrophotometric System Of Analysis For Sterols And Its Application To Faeces Excreted By Subjects On Formula Diets

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Author :
language : en
Publisher:
Release Date : 1962

Development Of A Spectrophotometric System Of Analysis For Sterols And Its Application To Faeces Excreted By Subjects On Formula Diets written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Cholesterol categories.

Cholesterol And Phytosterol Oxidation Products

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Author : Francesc Guardiola
language : en
Publisher: The American Oil Chemists Society
Release Date : 2002-07-30

Cholesterol And Phytosterol Oxidation Products written by Francesc Guardiola and has been published by The American Oil Chemists Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-07-30 with Medical categories.

This book comprehensively reviews several aspects of cholesterol oxidation products: cholesterol oxidation mechanisms, analytical determination, origin and content of these compounds in foods and biological samples, and their biological effects, with an emphasis on recent advances in these fields. Information on different aspects of phytosterol oxidation is reviewed. Little research has been conducted on the analysis of mixed sterol oxidation products. Mixed diets containing both cholesterol and phytosterols can contain a complex array of oxidation products generated from these sterols. Research into the problem of analyzing these complex mixtures of compounds is highlighted.

Analysis Of Sterols In Human T Helper Cells

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Author :
language : en
Publisher:
Release Date : 2016

Analysis Of Sterols In Human T Helper Cells written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.