Sequestering agents as food additives ppt

Introduction to sequestering agents and their examples with E number used in various food industries.

1. Guru jambheshwar university of science and technology, Hisar Topic : Sequestering agents Food Additives (code: FT 521) Submitted To: Dr. Aradhita B.ray Submitted By: Heena 220080820019 M.Sc 2nd year

2. Sequestrants Sequestering agents, also known as chelating agents, are food additives that form a chelate complexes with polyvalent metal ions, such as iron, copper, and nickel. This can prevent the metal ions from catalyzing reactions that can cause food spoilage, such as oxidation and enzymatic browning. Sequestering agents are also used to improve the texture, color, stability and quality of food products.

3. Sequestering agents are used in a wide variety of food products, including: * Processed meats * Dairy products * Baked goods * Canned foods * Frozen foods * Beverages * Confectionery * Sauces and dressings * Spices and seasonings Uses

4. Here are some examples of sequestering agents used in food industry: EDTA (ethylenediaminetetraacetic acid) (E385) is a sequestering agent can bind to metals via four carboxylate and two amine groups. It is a polyamino carboxylic acid and a colorless, water-soluble solid, which is widely used in food industry. In food, EDTA used to prevent discoloration , Improve flavor and prevent oxidation. This compound, as well as the disodium or calcium disodium salts of EDTA retards discoloration of dried bananas, beans, chickpeas, canned clams, pecan pie filling, frozen potatoes, and canned shrimp. Also, these compounds improve flavour retention in canned carbonated beverages, salad dressings, mayonnaise, margarine, and sauces; retard struvite formation in canned crabmeat and shrimp; and protect against rancidity in dressings, mayonnaise, sauces, and sandwich spreads.

5. Citric acid ( E330) is a sequestering agent is occur vary widely in nature, mostly in citrus fruits. Its primary functions in food are as an acid, acidity regulator, antioxidant and sequestrant. It is a powerful sequestering agent, binding metal ions that are responsible for the onset of rancidity. In dilute solution, citric acid reduces the discoloration and spoilage of cut fruits, vegetables and shellfish. It helps prevent rancidity in fats in vegetable oils. Citric acid is one of the most widely used of all food additives. Its clean, tart taste has found wide application in soft drinks (carbonates, squashes, nectars and powdered beverages) sugar confectionery, jams, jellies, preserves, soups and sauces.

6. * Phosphoric acid (E338) Manufactured commercially by the addition of sulphuric acid to phosphate rock, followed by additional steps to remove impurities. It is used for their ability to enhance water binding in meat and dairy products, preventing water loss and shrinkage during cooking and storage. They are also used to stabilise milk products, such as evaporated milk, against protein coagulation and gelling but also to increase the rate of gelling in instant puddings and cheesecakes. * Metatartaric acid (E353) is manufactured from glucose. It is also known as glucaric acid. Metatartaric acid is used as a sequestrant to prevent deposition of cream of tartar (monopotassium tartrate) and calcium tartrate in wine during storage. Metatartaric acid is permitted only in wine and made wine up to 100 mg/litre. It is deliquescent and should be kept in tightly closed packages.

7. * Sorbitol (E420) is widely present in nature, particularly as a constituent of many fruits and berries. Sorbitol syrup is also used as an efficient humectant, and as a sequestering and emulsifying agent in confectionery and bakery products, as well as in mayonnaise, creams and sauces. Typical products include Sugar-free confectionery products such as chewing gum, compressed tablets, hard-boiled, soft and chewy candies and chocolate; bakery products; and fish. * Gluconic acid | E574 | It is a natural organic acid that is produced by the fermentation of glucose.It is used in food like: Processed meats: Gluconic acid is used to bind to iron ions in processed meats, which prevents discoloration and improves texture. Soft drinks: Gluconic acid is used to bind to calcium and magnesium ions in soft drinks, which prevents cloudiness and improves flavor. Baked goods: Gluconic acid is used to bind to calcium ions in baked goods, which improves leavening and extends shelf life. Dairy products: Gluconic acid is used to bind to calcium ions in dairy products, which prevents curdling and improves texture.

8. * Sodium tripolyphosphate (E451) is another common sequestering agent. It is used to improve the texture and appearance of processed meats, seafood, and baked goods. It is also used to prevent the formation of struvite crystals in canned seafood. * Sodium hexametaphosphate (E452i) is a sequestering agent that is used to improve the texture and stability of dairy products, such as processed cheese and ice cream. * Glucono delta-lactone (E575) and its salts, sodium gluconate (E576) and potassium gluconate (E577), are sequestering agents that are derived from glucose. They are used to prevent discoloration and rancidity in a variety of foods, including canned fruits and vegetables, processed meats, and baked goods.

9. * Calcium citrate (E385) Stabilizes food products and prevents them from separating. It is also used to improve the texture of processed meats and cheeses. * Calcium chloride (E509) Firms up fruits and vegetables and prevents them from becoming mushy. It is also used to improve the texture of ice cream and other frozen desserts. * Potassium bitartarate (E 336) This can help to improve the appearance, texture, flavor, and shelf life of food products. For example, potassium bitartarate is used in baking to prevent sugar from crystallizing and to stabilize egg whites. It is also used in winemaking to stabilize the wine and prevent cloudiness. In addition, potassium bitartarate is used in processed foods to prevent discoloration and improve texture.

10. Conclusion Sequestering agents are important industrial chemicals that are used in a wide variety of applications, including the food industry. They are essential for producing safe and high-quality food products.

11. References: https://patents.google.com/patent/US4486339A/en https://www.sciencedirect.com/topics/chemistry/sequestering-agent http://epgp.inflibnet.ac.in/epgpdata/uploads/epgp_content/food_technology/food_additives/21.raising_agents,glazing_agents_and__sequesterants_for_the__food_industry/et/2696_et_m21.pdf https://journals.innovareacademics.in/index.php/ijpps/article/view/6444

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