Microbial Products

Enzymes and Chymosin are used to produce a food. The other 4 examples are eaten.

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Invertase is naturally produced by a Saccharomyces Cerevisiae.

Invertase is used in manufacture of sweets.

The enzyme converts sucrose into glucose and fructose, that taste sweeter.

Manufacturers save money and produce lower-calorie sweet foods. 

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Cheese is made from Rennet.

Rennet is found in lining of a calf's stomach.

Which contains an enzyme called Chymosin which clots the milk. 

Vegetarian cheese is made using G M microorganisms.

So genes responsible for Chymosin are isolated from stomach cells and put into yeast cells to multiply.

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Vitamin C

Acetobacter produces a chemical easily converted to vitamin C.

Used to produce vitamin C as it's cheaper.

Vitamin C is used as a dietary supplement and in drinks.

It acts as a flavouring and preservative.

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Citric Acid

Fungus called Aspergillus Niger is used to produce citric acid.

Citric acid is naturally found in citrus fruits.

It is added to fizzy drinks.

It acts as a flavouring and preservative. 

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Monosodium Glutamate (M S G)

Corynebacterium Glutamicum is used to produce glutamic acid.

Glutamic acid is then used to make M S G.

M S G is added to asian foods.

It acts as a flavour enhancer. 

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Is extracted from the seaweed Carrageen.

It's used in jellies and ice cream.

Carrageenan acts as a gelling agent and emulsifier. 

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