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Quantum Satis (abbreviation qs or QS) is a Latin term meaning The amount which is needed. It has it's origins as a quantity specification in medicine and pharmacology, but is also used in the same function in food regulations and food safety laws in the European Community.
Additional recommended knowledge
The specification of Quantum Satis for an ingredient essentially means "Add as much of this ingredient as is needed to achieve the desired result, but not more."
In food safety regulations in the EU it is a catch-all restriction for artificial food ingredients (especially food additives) which are harmless enough to have no specific quantity restriction. It serves to protect consumers from the addition of excessive and unnecessary amounts of such artificial food additives in their foodstuffs and restricts the producer to:
For example, European Union directive 94/36/EC  (which regulates the use of food colors) explains in Article 2 (7): "In the Annexes to this Directive 'quantum satis' means that no maximum level is specified. However, coloring matters shall be used according to good manufacturing practice at a level not higher than is necessary to achieve the intented purpose and provided that they do not mislead the customer".
Translated and copied from German Wikipedia
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Quantum_satis". A list of authors is available in Wikipedia.|