Autor: Georgios K. Petridis

Tannins are astringent, bitter plant polyphenols that either bind and precipitate or shrink proteins and various other organic compounds including amino acids and alkaloids. The astringency from the …

Before 1970, scientific research in swimming was poor and anecdotal, and the improvements of performance were linked firstly to the swimmer’s experience and, secondly, as a result of permanent resear …