sulfite
亚硫酸,亚硫酸盐,亚硫酸钠,亚硫酸酯
Definitions
- 1
Chemistry.
- : a salt or ester of sulfurous acid.
- : any sulfite-containing compound, especially one that is used in foods or drug products as a preservative and that can cause severe allergic reactions in susceptible individuals: use in fresh fruits and vegetables banned by the FDA in 1986.
Examples
When I first fell in love with the grape back in the 1980s, organic wines were few and far between and considered inherently faulty because of the lack of sulfites, a commonly used natural preservative that keeps wine from spoiling in bottle.
Confusion persists over definitions, especially in the United States, where the government defines an organic wine as one without added sulfites.
Not only does it have histamines and sulfites, but it also has a protein found in grape skin called LTP.
More than a mere trace of the precipitate proves that some sulfite was used to preserve the meat.
In the most common process the reagent is calcium sulfite, made by passing sulfur fumes (SO2) into lime water.
But the sulfite liquors of the paper mills are being worked up successfully into industrial alcohol.
A combination of ground and sulfite wood makes the paper now used for news-print.