AS.101 Lecture Notes - Lecture 5: Monosodium Glutamate, Aspergillus Niger, Chymosin
Document Summary
A functional food is marketed as having health benefits beyond basic nutrition. Are chemicals than can lower blood cholesterol and reduce the risk of disease, some food manufacturers add them to spreads and some dairy products. Stanols occur naturally in plants, but only in small quantities so are produced commercially by using bacteria to convert sterols into. Microbial product (what the organisms waste) can be used to produce food or be eaten. These are four examples where the microbial product is eaten Vitamin c:a dietary supplement and also added to drinks to stop them going off. A bacterium called acetobacter naturally produces a chemical easily converted to vitamin c. It"s used to produce vitamin c commercially as its cheaper than extracting from fruit. Citric acid: a flavouring or preservative added to fruit- flavoured drinks. Naturally found in citrus fruits-but since fizzy drinks rarely use fresh fruit, citric added has to be added.
