This resource can be used to demonstrate an understanding of the use of acids and alkalis in the food and drinks industry. A series of activities involving the preparation of sherbet, scones and dumplings using raising agents illustrate the function of acidulants. The flavouring and preservative nature of citric...

This resource can be used to demonstrate an understanding of the use of anti-caking agents that allow powdered food products to flow more freely through machinery. The action of an anti-caking agent in cocoa powder is investigated in one activity and a case study using real results from an industrial setting...

This resource can be used to demonstrate an understanding of the role of antioxidants in food processing to delay oxidation. A data based activity analyses types of fat in foods and an investigation into the browning of apples under varying conditions allows a quantitative measure of the oxidation reaction. 

This resource can be used to demonstrate an understanding of the role of emulsifiers and stabilisers in the food industry to retain the physical quality of products in terms of texture and mouth feel. A research task involves a survey of commercially produced coleslaw and designing and manufacturing an equivalent....

This resource can be used to demonstrate an understanding of the role of food colourings in products. Activities include an extraction of the food colours used in sweets and then a separation of these colours using chromatography. A final task involves investigating how acid and alkali levels affect both natural...