Download Fats and Oils: Formulating and Processing for Applications, by Richard D. O'Brien PDF

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By Richard D. O'Brien

Within the curiosity of customer healthiness, many fat and oils processors regularly attempt to enhance more fit coaching systems. Following within the footsteps of its prior bestselling variations, fat and Oils: Formulating and Processing for purposes, 3rd variation delineates up to date processing systems and formula strategies in addition to the consequences of latest parts, processing, and formula on globally correct purposes. as well as studying all product different types, comparable to sorts of shortening, margarine, and liquid oil, this new version comprises an array of recent good points, together with: extended insurance of crucial fatty acids and their future health implications prolonged bankruptcy on challenge fixing and dialogue of trans fat extra details on sterols and stanols utilization, processing aids and ingredients, and forte fat and oils better caliber administration bankruptcy Doused with useful recommendation, this prepared reference combines forty five years of fundamental literature with the non-public reviews of the professional writer. it's a necessary wisdom base for deciding upon how one can make processing and formula concepts more healthy and less costly.

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Extra resources for Fats and Oils: Formulating and Processing for Applications, Third Edition

Sample text

Another effective precaution identified was nitrogen blanketing of all oils during the critical high temperature processing steps, including packaging. Effective preventive measures had been identified, but investigations still had not determined the cause of the off-flavor development with soybean oil. Circumstantial evidence pointed to the 7 to 8% linolenic fatty acid content. A classic experiment interesterified 9% linolenic fatty acid into cottonseed oil, which typically contains less than 1% of the C-18:3 fatty acid.

Sequalene has also been shown to possess moderate antioxidant properties; however, it sustains a significant loss of these properties during storage. Shark liver oil is a rich source of squalene and small amounts are found in some vegetable oils. Olive oil and amaranth seed oil are two rich plant sources of squalene. 4 Sterols Sterols are minor components of all natural fats and oils and comprise most of the unsaponifiable matter, the remainder consists essentially of hydrocarbons. The sterols are high melting, colorless, and somewhat inert.

All soybean oil shortenings develop a grainy, nonuniform consistency somewhat similar to products made with regular lard. Liquid shortenings require a beta crystal form hardstock to produce a stable pourable product. Nutritionally, a high stearic fatty acid content may be a positive; studies have indicated that stearic fatty acid has a cholesterol-neutral effect. 2 Genetically Modified Soybean Oil Over the past 35 years, significant progress has been made in modifying soybean oil fatty acid composition through plant breeding techniques.

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