HNSC 1200 Chapter Notes - Chapter 5: Locust Bean Gum, Tragacanth, Xanthan Gum
13 May 2017
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Levels. lomoar cpsd| 987298 together. jellies and preserves: pectins. Found in both cell walls and in space between plant cells. Galacturonic acid (a derivative of galactose) is the basic building block of pectic substances. Pectin is a pectic molecule common in fruits and is responsible for forming gels in various jams, Commercially, pectin is produced from apple cores or citrus peel: vegetable gums/hydrocolloids. Various hexose and pentose sugars are the basic building blocks. Dissolved in water, they produce a thickening or texture building effect. Gums can help to retain water, reduce evaporation rates and modify ice crystal formation. Widely used in the food industry as fat replacers (ice cream, low calorie salad dressings, low fat. Plant seed gums: locust bean gum, guar gum. Plant exudates: gum arabic (used to stabilize carbonated drinks), gum tragacanth. Microbial gums: xanthan gum (used for cloud stabilization in orange juice), dextran.
