2008_Fats_and_Oils - Commodities: Fat & Oils...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Commodities: Fat & Oils Oils vs Fats " Oil " : Mixture of triglycerides which is liquid at room temperature " Fat " : Mixture of TG, solid or semi-solid at room temp (fully crystallized, or partially crystallized) Oils Mostly of plant origin Constituent fatty acids are mostly monounsaturated or polyunsaturated Usually contain only small proportions of saturated fatty acids Monounsaturated oils Polyunsaturated oils peanut oil soybean oil olive oil wheat germ oil canola oil corn oil safflower oil Functionality of oils: salad oils frying oils Fats Mostly of animal origin Contain high proportions of saturated FA's Naturally-occurring fats : tallow (beef fat) lard (pork fat) animal milkfat (butterfat) cocoa butter coconut oil plant palm oil Chemically modified fats: hydrogenated, interesterified fats and oils Uses of fats: margarines, spreads solid & semi-solid shortenings chocolates, other confectionaries Shortenings Fats or oils added to doughs or batters to increase tenderness or cause flakiness in the baked product Mechanism : Fats, oils interfere with gluten development : Inhibit hydration of proteins Physically interfere with protein-protein rearrangements Solvent extraction may or may not be used Unit Processes in Edible Oil Refining (free) NaOH Unit Processes in Edible Oil Refining Minimally processed (cold pressed) vegetable oils...
View Full Document

Page1 / 29

2008_Fats_and_Oils - Commodities: Fat & Oils...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online