Applications of Biotechnology in food industry

September 8, 2018
Concept of the systems

Every week, every European consumes typically 11 kg of food. Enzymes, the naturally-occurring proteins which enable all of the biochemical procedures of life to occur, are found in most meals raw materials. When purified and found in food preparation, many of these enzymes offer advantages like enhanced flavor, texture and digestibility.


For several many thousands of years, man features made use of natural micro-organisms - micro-organisms, yeasts and moulds - together with enzymes they create which will make meals particularly breads, cheese, beer and wine. Including in bread-making the enzyme, amylase, can be used to-break down flour into dissolvable sugars, which are changed by yeast into liquor and carbon dioxide. This makes the breads rise.

Today, enzymes are used for an increasing selection of applications: bakery, cheese generating, starch handling and creation of fruit drinks alongside drinks. Here, they are able to enhance surface, look and nutritional value, and may even produce desirable flavours and aromas. Currently-used meals enzymes occasionally originate in pets and plants (for instance, a starch-digesting enzyme, amylase, can be acquired from germinating barley seeds) but most result from a selection of advantageous micro-organisms.

In meals production, enzymes have actually many benefits:

  • They've been welcomed as alternatives to traditional chemical-based technology, and can change artificial chemical substances in a lot of processes. This will probably enable genuine improvements into the environmental overall performance of production processes, through lower power consumption and biodegradability.
  • They are more specific inside their action than artificial chemicals. Processes which use enzymes for that reason have a lot fewer side reactions and waste by-products, providing higher quality services and products and decreasing the possibility of pollution.
  • They enable some processes becoming completed which would otherwise be impossible. An example could be the creation of clear apple juice concentrate, which relies on using the enzyme, pectinase.

Where enzymes are produced from micro-organisms (the primary types include species of Bacillus, Aspergillus, Streptomyces and Kluyveromyces), they're grown by fermentation in huge vats or fermenters with capabilities all the way to 150, 000 litres; right here, heat, nutritional elements and atmosphere products tend to be modified to match their particular optimal development. Such as other areas associated with the food chain, rigid principles of hygiene tend to be used. Whenever procedure is complete, the fermenter includes a broth which includes enzymes, nutrients and microbes. That is purified by passing it through a few filters to eliminate impurities and draw out the enzyme.

Making improved products

Because the very early 1980s, businesses which create enzymes have been using hereditary engineering ways to improve manufacturing efficiency and high quality also to develop new products. There are clear benefits right here for both industry and customers, with significant improvements in enzyme manufacturing offering much better items and processes. But development will be slowed down as the debate on some other, more controversial programs of biotechnology - like hereditary engineering in animals - is continuing throughout Europe.

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