sulfite

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sulfite

 [sul´fīt]
a salt of sulfurous acid. Sulfites are used as preservatives for salad, fresh fruit and vegetables, wine, beer, and dried fruit. In susceptible individuals, especially those with asthma, they can cause a severe reaction; because of this their use has been curtailed, and foods that contain them must be labeled.

sul·fite

(sŭl'fīt),
A salt of sulfurous acid; elevated in cases of molybdenum cofactor deficiency.

sulfite

/sul·fite/ (sul´fīt) any salt of sulfurous acid.

sulfite

Sulfiting agent Food industry An agent used as a food preservative; up to 5% of asthmatics are sensitive to sulfites–possibly due to low levels of sulfite oxidase, and respond to sulfites with nausea, diarrhea, bronchospasm, pruritus, edema, hives, potentially anaphylactic shock and death; some drugs used for asthma may contain sulfiting agents. See Food allergies, Pseudoallergies.

sul·fite

(sŭl'fīt)
A salt of sulfurous acid; elevated in cases of molybdenum cofactor deficiency.

Sulfite

A type of preservative that causes allergic reactions in some people.
Mentioned in: Bronchodilators
References in periodicals archive ?
The life inside hasn't been completely killed by sulphites.
OTCBB:SURP), a global leader in liquid photopurification, announced today that Neil Patterson Wines (NPW) has launched a premium range of no sulphite added wines using SurePure's patented photopurification technology.
But many people may not realise sulphites are behind their symptoms.
Ana Rodrigues, of Dao Sul, told just-drinks: "It has been extremely difficult to eliminate the use of sulphites, because they are so useful, but they are important in the allergic aspect of wines.
Supermarkets consider foods that contain sulphites harmless.
Sulphites are used in wine production to prevent oxidation and help to preserve wine.
They provide a promising alternative to using sulphite in fresh pork sausage.
In their research, VTT scientists attempted to find a way to prevent enzymatic browning of peeled potatoes without the use of sulphites, by using a dipping treatment.
Sulphites and sulphate ingredients play an important role in the food industry, but as well as preventing spoilage, they have also been linked with food intolerance and allergies.
There is an interesting case study on allergens, which shows that in roughly 90% of the incidents involving sulphites, the root cause of the problem was simple lack of knowledge about labelling requirements and/or failure to recognise sulphite as a problem.
While pure caramel is made by melting sugar in a saucepan, the artificial brown colouring in colas is made by reacting sugars and ammonia and sulphites under high temperatures and pressure.
But they still use added sulphites to protect the maturing grapes from fungal attacks.