Carbohydrates

Published November 27, 2016

Carbohydrates

Carbohydrates are the foundation of our food. For example, glucose, fructose, starch, and cellulose are formed continuously in plant and animal cells. They are the most important energy material for the body. Carbohydrates possess common properties. This allows you to detect carbohydrates, even in very small quantities...

Corrosion protection

Published January 29, 2017

Corrosion protection

Surprisingly, plants contain organic compounds which can protect the metal from corrosion. So-called protection against corrosion is made possible by a specific processing stems, bark, fruit and leaves of a plant. How, then, comes the corrosion protection? Imagine that bulky steel part must be cleaned of rust. Therefore...

Tannin from tea

Published April 02, 2017

Tannin from tea

We have already allocated caffeine from tea. It turns out that tea can also provide tannin. It is a mixture of substances that are used for tanning leather, etching tissues before dyeing, in medicine - as an astringent; remember the astringent taste of strong tea. Tannin from tea can be obtained in the school chemical laboratory...

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