Lipid Library

Solid-phase extraction columns in the analysis of lipids

The following was first published by W.W. Christie, in Advances in Lipid…

Lipid Library

Preparation of Ester Derivatives of Fatty Acids for Chromatographic Analysis

The following was first published by W.W. Christie, in Advances in Lipid…

Lipid Library

Microbial phospholipases

Introduction Phospholipases are enzymes that occur ubiquitously across all kingdoms of life…

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Principles of Silver Ion Complexation with Double Bonds

A. Introduction B. Principles of Silver Ion Complexation with Double Bonds C.…

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Silver Ion Chromatography and Lipids, Part 2

A. Introduction B. Principles of Silver Ion Complexation with Double Bonds C.…

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Preparation of Lipid Extracts Tissues

The following was first published by W.W. Christie, in Advances in Lipid…

Lipid Library

Silver Ion Chromatography and Lipids, Part 3

A. Introduction B. Principles of Silver Ion Complexation with Double Bonds C.…

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Arthur von Hübl and the Iodine Value

The iodine value (IV) is still one of the most commonly applied…

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Historical Perspectives on Vegetable Oil-Based Diesel Fuels

Biodiesel, defined as the mono-alkyl esters of vegetable oils or animal fats…

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Silver Ion Chromatography and Lipids, Part 4

A. Introduction B. Principles of Silver Ion Complexation with Double Bonds C.…

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The Battle Over Hydrogenation (1903-1920)

The Journal of Industrial Engineering Chemistry(Volume 13, February 1921) carried, in part,…

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Oil Refining

1.  Introduction The quality of fried foods depends not only on the…

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Fatty Acid Analysis before Gas Chromatography

Measuring and identifying the fatty acids in natural or synthetic mixtures is…

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Action of Natural Antioxidants During Frying

1.  Introduction The action of phenolic antioxidants to delay lipid oxidation in…

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Formation of New Compounds During Frying – General Observations

1.  Introduction Deep-frying is one of the most commonly used means for…

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Development of Gas-Liquid Chromatography

During the period up to World War II, biochemists and natural product…

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Formation of Cyclic Fatty Acids During Frying

1.  Introduction Monomeric cyclic fatty acids with an internal ring structure are…

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Formation of Epoxy-, Keto- and Hydroxy-Fatty Acids

1.  Introduction Oxidized triacylglycerol monomers are major compounds formed at frying temperature,…

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AOCS Award in Lipid Chemistry 1964 to 1981

The concept of an achievement award for lipid chemistry was first proposed…

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A Chemical Study of Oils and Fats of Animal Origin by M.E. Chevreul

Translated and annotated by Albert J. Dijkstra, 2009 ISBN 978-2-9533244-0-2, 348 pages…

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Selected Patents

Patents provide a snapshot of current research activity in the Oils and…

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Marine Oils

Introduction The title of this document reflects the development that the Omega-3…

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Animal Fats

Introduction 1.1. General remarks “Animal fats are a by-product of the whole…

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Palm Oil

Introduction Palm oil is extracted from fresh fruit bunches (FFB) by a…

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Seed Preparation

1.  The Standard Process for Soybeans 1.1. Specification of Incoming Unclean Products…

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Expanding and Expelling

Although mechanically the machines used to perform the expanding and the expelling…

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Solvent Extraction

Background One of the most basic needs of mankind is an abundant…

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Lipidomics

The science of lipidomics has been defined as “the full characterization of…

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Meal Desolventizing, Toasting, Drying and Cooling

1.  Introduction After the solvent extraction process, the de-oiled oilseed material may…

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Introduction to Degumming

1.  The Nature of Gums and Phosphatides Crude oil obtained by screw…

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Chemical Degumming

One of the key steps in the refining process is the elimination…

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Enzymatic Degumming

1.  Introduction The benefit of using enzymes as auxiliary agents in degumming…

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Alkali Refining

1.  Introduction Two processes have been developed for the refining of edible…

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Selected Topics in the Analysis of Lipids

Review Articles from ‘Advances in Lipid Methodology—One and Two’ (by William W.…

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Optimization of Bleaching Process

Introduction The bleaching of edible oils and fats is a part of…

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Deodorization

1. Introduction In the early days of the edible oil processing industry,…

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Hydrogenation Mechanism

1.  Historical The hydrogenation process of edible oils was invented by Wilhelm…

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Chemical Interesterification

1.  Introduction Interesterification can be defined as a redistribution of the fatty…

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Enzymatic Interesterification

Introduction Enzymatic interesterification is a process in which a lipase enzyme is…

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Solvent Fractionation

1.  Why Does One Fractionate and Why in Solvent? We all generally…

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AOCS Awards

AOCS Awards recognize individuals and companies who have made outstanding contributions to…

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Dry Fractionation

1. Historical perspective In edible oil processing, a fractionation process consists of a…

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NMR

Nuclear magnetic resonance (NMR) spectroscopy is an extremely important technique for structural…

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Human Nutrition

Metabolism and function of very-long-chain polyunsaturated fatty acids (>C24) in mammals  Trans Fat…

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Metabolism and Function of Very-Long-Chain Polyunsaturated Fatty Acids (>C24) in Mammals

Introduction A substantial amount of research has been conducted on the role…

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Trans Fat Replacements in Foods

Introduction Processing Methods to Reduce Trans Fats Interesterification Fractionation of Tropical Oils…

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Trans Fat Replacements in Foods (pg.2)

Introduction Processing Methods to Reduce Trans Fats Interesterification Fractionation of Tropical Oils…

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Resource Material

Market Trends Major sections deal with various aspects of the analysis of…

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Market Trends

For several years I have written a monthly article in Lipid Technology…

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Silver Ion Chromatography of Lipids

Silver ion chromatography has been one of the more important techniques in…