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Pectin is used as a stabiliser in foods such as yogurt. A stabiliser or stabilizer is an additive to food which helps to preserve its structure. Typical uses include preventing oil-water emulsions from separating in products such as salad dressing; preventing ice crystals from forming in frozen food such as ice cream; and preventing fruit from settling in products such as jam, yogurt and jellies.
Firming agents are food additives added in order to precipitate residual pectin, thus strengthening the structure of the food and preventing its collapse during processing. These are salts, typically lactates or phosphates, calcium salts or aluminum sulfates. [1] They are mainly used for (fresh) fruit and vegetables.
Other studies have focused on stabilizing oil-in-water emulsions using β-lactoglobulin (β-Lg), a globular protein, and pectin, an anionic polysaccharide. Both β-lactoglobulin and pectin are common ingredients in the food industry. β-lactoglobulin is used in whey protein, which can act as an emulsifier. [17]
Topics: Part 1: Gum arabic and other gum exudates; Part 2: Starch; Part 3: Gelatin and other food proteins; Part 4: Pectin; Part 5: Microbial polysaccharides; Part 6: Cellulosics and seed gums; Part 7: Marine polysaccharides. Gums and Stabilisers for the Food Industry 6; Date of conference: July 1991
Pectin is composed of complex polysaccharides that are present in the primary cell walls of a plant, and are abundant in the green parts of terrestrial plants. [5] Pectin is the principal component of the middle lamella, where it binds cells. Pectin is deposited by exocytosis into the cell wall via vesicles produced in the Golgi apparatus. [6]
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Stabilizers, thickening and gelling agents, like agar or pectin (used in jam for example) give foods a firmer texture. While they are not true emulsifiers, they help to stabilize emulsions. Sweeteners are added to foods for flavoring. Sweeteners other than sugar are added to keep the food energy low.
Gelling sugar or (British) Jam sugar or (US) Jelly sugar or sugar with pectin is a kind of sugar that is used to produce preserves, and which contains pectin as a gelling agent. It also usually contains citric acid as a preservative , sometimes along with other substances, such as sorbic acid or sodium benzoate
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