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Encyclopedia > Potassium benzoate
Potassium benzoate
IUPAC name Potassium benzoate
Other names Benzoic acid, potassium salt
Identifiers
CAS number 582-25-2
PubChem 11399
EINECS number 209-481-3
SMILES C1=CC=C(C=C1)C(=O)[O-].[K+]
Properties
Molecular formula C7H5KO2
Molar mass 160.2117
Appearance White solid
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Potassium benzoate, the potassium salt of benzoic acid, is a food preservative that inhibits the growth of mold, yeast and some bacteria. It works best in low-pH products, below 4.5, where it exists as benzoic acid. Image File history File links No higher resolution available. ... IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... PubChem is a database of chemical molecules. ... The EINECS number (for European Inventory of Existing Chemical Substances) is a registry number given to each chemical substance commercially available in the European Union between 1 January 1971 and 18 September 1981. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... A chemical formula is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... This article does not cite any references or sources. ... In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals) and 25 degrees Celsius (298. ... Benzoic acid, C7H6O2 (or C6H5COOH), is a colorless crystalline solid and the simplest aromatic carboxylic acid. ... This article does not cite any references or sources. ... It has been suggested that Toxic mold be merged into this article or section. ... Typical divisions Ascomycota (sac fungi) Saccharomycotina (true yeasts) Taphrinomycotina Schizosaccharomycetes (fission yeasts) Basidiomycota (club fungi) Urediniomycetes Sporidiales Yeasts are a growth form of eukaryotic microorganisms classified in the kingdom Fungi, with approximately 1,500 species described. ... Phyla/Divisions Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Omnibacteria Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular, bacterium) are a major group of living organisms. ... For other uses, see PH (disambiguation). ...


Acidic foods and beverages such as fruit juice (citric acid), sparkling drinks (carbonic acid), soft drinks (phosphoric acid), and pickles (vinegar) are preserved with potassium benzoate. Juice is the liquid naturally contained in plants. ... Citric acid is a weak organic acid found in citrus fruits. ... Carbonic acid (ancient name acid of air or aerial acid) has the formula H2CO3. ... A soft drink is a drink that contains no alcohol. ... This article is about orthophosphoric acid. ... Cucumbers gathered for pickling. ... Vinegar is sometimes infused with spices or herbs—as here, with oregano. ...


It is approved for use in most countries including Canada, the U.S., and the EU, where it is designated by the E number E212. In the EU, it is not recommended for consumption by children.[1] Motto: (Out Of Many, One) (traditional) In God We Trust (1956 to date) Anthem: The Star-Spangled Banner Capital Washington D.C. Largest city New York City None at federal level (English de facto) Government Federal constitutional republic  - President George Walker Bush (R)  - Vice President Dick Cheney (R) Independence from... For the mathematical constant see: E (mathematical constant). ...


Mechanism of food preservation

The mechanism of food preservation begins with the absorption of benzoic acid into the cell. If the intracellular pH changes to 5 or lower, the anaerobic fermentation of glucose through phosphofructokinase is decreased by 95%.[2] Wikipedia does not yet have an article with this exact name. ... For other uses, see Fermentation. ... Glucose (Glc), a monosaccharide (or simple sugar), is an important carbohydrate in biology. ...


Safety and health

In combination with ascorbic acid (vitamin C), sodium and potassium benzoate may form benzene, a known carcinogen. Heat, light and shelf life can affect the rate at which benzene is formed. The Food and Drug Administration (FDA) is currently (as of March 2006) performing tests, but the Environmental Working Group is calling for the FDA to publicly release all tests and use their authority to force companies to reformulate to avoid the potential benzene forming combination.[3] // Background Benzene is a carcinogen. ... This article deals with the molecular aspects of ascorbic acid. ... The benzoate ion is C6H5COO− (benzoic acid minus one hydrogen ion). ... For benzine, see petroleum ether. ... The hazard symbol for carcinogenic chemicals in the Globally Harmonized System. ... “FDA” redirects here. ... The Environmental Working Group is a public watchdog group specializing in environmental investigations in the areas of toxins, agricultural subsidies, public lands, and corporate accountability. ...


Potassium Benzoate (or E212) was recently described by the Food Commission, who campaign for 'safer, healthier food in the UK', as "mildly irritant to the skin, eyes and mucous membranes". [4]


Cats have a significantly lower tolerance to benzoic acid and its salts than rats and mice.[5] Cats may refer to: Felines, members of the animal family Felidae The domesticated animal, cat The musical, yeah right, I bet that this was really dumb. ... For other meanings of the word salt see table salt or salt (disambiguation). ... This is an article about wild rats; for pet rats, see Fancy rat Species 50 species; see text *Several subfamilies of Muroids include animals called rats. ... This article is about the animal. ...


References

  1. ^ Cosmetic Ingredient Review Expert Panel Bindu Nair (2001). "Final Report on the Safety Assessment of Benzyl Alcohol, Benzoic Acid, and Sodium Benzoate". Int J Tox (20 (Suppl. 3)): 23-50. 
  2. ^ Krebs HA, Wiggins D, Stubbs M (1983). "Studies on the mechanism of the antifungal action of benzoate". Biochem J (214): 657-663. 
  3. ^ Press Release from the Environmental Working Group
  4. ^ Published in The Food Magazine issue 77from the Food Commission UK
  5. ^ Bedford PG, Clarke EG (1972). "Experimental benzoic acid poisoning in the cat". Vet Rec (90): 53-58.  PMID 4672555

  Results from FactBites:
 
Potassium Benzoate: Velsicol Food Additives (387 words)
Potassium Benzoate is the potassium salt of benzoic acid.
Potassium benzoate may be employed in a wide range of preservative applications because of its antimicrobial action and low taste.
The effectiveness of using potassium benzoate as a preservative increases as the pH is decreased.
McDonald's USA - USA Core Menu Items by Ingredients (6204 words)
Carbonated water, caramel color, phosphoric acid, sodium saccharin, potassium benzoate (to protect taste), natural flavors (vegetable source), citric acid, caffeine, potassium citrate, aspartame, dimethylpolysiloxane.
Water, high fructose corn syrup and/or sucrose, citric acid, ascorbic acid (vitamin C), potassium benzoate (to protect taste), modified food starch, natural flavors (vegetable source), glycerol ester of wood rosin, yellow 6, brominated vegetable oil, red 40.
Water, high fructose corn syrup, maltodextrin (glucose polymers), citric acid, natural flavors (vegetable source), salt, potassium citrate, potassium benzoate and potassium sorbate (to protect taste), modified food starch, coconut oil, potassium phosphate, sucrose acetate isobutyrate, niacinamide (vitamin B3), blue 1, pyridoxine hydrochloride (vitamin B6), cyanocobalamin (vitamin B12).
  More results at FactBites »

 
 

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