Noun
a white crystalline salt used as a food preservative and antiseptic
Source: WordNetOne kg of rennet extract has about 0.7 g of active enzymes – the rest is water and salt and sometimes sodium benzoate ( E211 ), 0.5% - 1.0% for preservation. Source: Internet
Preservatives Commercial mouthwashes usually contain a preservative such as sodium benzoate or methylparaben to preserve freshness once the container has been opened. Source: Internet
Traditional preservatives, such as sodium benzoate have raised health concerns in the past. Source: Internet