The crystalline element (S = Sulfur) with typical sulfur yellow color is essential for all organisms. As nitrogen it is an important building block of amino acids, Proteins and enzymes, In the case of deficiency in the human, animal and plant organism is the Protein metabolism disturbed. The effect as a preservative in wine was already in the antiquity known to the Greeks and is from Homer (8th century BC), Cato the Elder (234-149 BC) and Pliny the Elder (23-79 AD). Until the 17th century, sulfur was traded as "arkanum" (secret), that is, as a secret science known only to initiates, which was not publicly accessible. After repeated desulphurisation, the addition of sulfur to wine in some countries was temporarily banned for health reasons and severely punished in case of non-compliance.