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	~~'''Potassium benzoate''' is~~ a [[food preservative]] that inhibits the growth of [[mold]], [[yeast]], and some [[bacteria]]. It works by adjusting the pH of foods to a level where these microorganisms cannot grow. Potassium benzoate is the potassium salt of [[benzoic acid]] and is typically used in acidic foods such as fruit juices, carbonated drinks, and pickles.		{{Short description\|A chemical compound used as a food preservative}}
			{{Use dmy dates\|date=October 2023}}

	==~~Chemical Structure~~==		==Overview==
	Potassium benzoate ~~has~~ the ~~chemical~~ formula ~~C7H5KO2~~. It ~~consists~~ of a [[~~benzene ring~~]] ~~attached to~~ a ~~[[carboxyl group]] (COOH)~~, ~~with~~ a ~~potassium ion replacing the hydrogen~~ in ~~the carboxyl group~~. ~~This gives the~~ compound its preservative ~~properties~~.		[[File:Potassium_benzoate.png\|thumb\|right\|Structural formula of potassium benzoate]]
			'''Potassium benzoate''' is a chemical compound with the formula C_H_COOK. It is the potassium salt of [[benzoic acid]] and is commonly used as a food preservative. Potassium benzoate is effective in preventing the growth of mold, yeast, and some bacteria, thereby extending the shelf life of food products.

			==Chemical Properties==
			Potassium benzoate is a white, crystalline powder that is highly soluble in water. It is stable under normal conditions and has a slightly sweet taste. The compound is often used in acidic foods, as its preservative action is more effective at lower pH levels.

	==Uses==		==Uses==
	Potassium benzoate is used ~~primarily as a food preservative. It is effective~~ in ~~preventing~~ the ~~growth of molds, yeasts, and some bacteria in acidic foods~~. It is commonly found in ~~carbonated~~ drinks~~, fruit~~ juices~~, pickles, and condiments. It is also used in the fireworks industry to produce a whistling noise when ignited.~~		Potassium benzoate is widely used in the food industry. It is commonly found in:
			* [[Soft drinks]]
			* [[Fruit juices]]
			* [[Pickles]]
			* [[Salad dressings]]
			* [[Condiments]]

	==~~Safety~~ and Health ~~Effects~~==		The compound is also used in some [[cosmetics]] and [[pharmaceuticals]] as a preservative.
	~~The~~ [[~~U.S.~~ Food and Drug Administration]] (FDA) ~~has recognized potassium benzoate as a safe food preservative~~ when used in ~~appropriate amounts~~. However, when combined with ascorbic acid (vitamin C)~~, it can form benzene, a known carcinogen~~. Therefore, it is ~~not recommended~~ to ~~consume products containing both potassium benzoate and ascorbic acid~~.
			==Mechanism of Action==
			Potassium benzoate works by inhibiting the growth of microorganisms. It disrupts the cell membranes of bacteria and fungi, preventing them from reproducing and causing spoilage. The effectiveness of potassium benzoate increases as the pH of the food decreases, making it particularly useful in acidic foods.

			==Health and Safety==
			Potassium benzoate is generally recognized as safe (GRAS) by the [[Food and Drug Administration]] (FDA) when used in accordance with good manufacturing practices. However, it can form [[benzene]], a known carcinogen, when combined with [[ascorbic acid]] (vitamin C) under certain conditions. Therefore, its use is regulated to ensure safety.

	==Environmental Impact==		==Environmental Impact==
	Potassium benzoate is ~~readily~~ biodegradable~~, meaning it can be broken down by microorganisms~~ in the environment. However, it ~~can contribute~~ to ~~the eutrophication of water bodies if released in large quantities~~.		Potassium benzoate is considered to have a low environmental impact. It is biodegradable and does not accumulate in the environment. However, as with all chemical compounds, it should be used responsibly to minimize any potential negative effects.

	==~~See Also~~==		==Related pages==
			* [[Benzoic acid]]
	* [[Sodium benzoate]]		* [[Sodium benzoate]]
	* [[Food preservation]]		* [[Food preservation]]
	* [[Benzoic acid]]
	* [[Preservative]]		* [[Preservative]]

	[[Category:Food additives]]		[[Category:Food additives]]
	~~[[Category:Preservatives]]~~
	[[Category:Potassium compounds]]		[[Category:Potassium compounds]]
	~~{{food-stub}}~~		[[Category:Benzoates]]
	~~{{chem-stub}}~~

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'''Potassium benzoate''' is a [[food preservative]] that inhibits the growth of [[mold]], [[yeast]], and some [[bacteria]]. It works by adjusting the pH of foods to a level where these microorganisms cannot grow. Potassium benzoate is the potassium salt of [[benzoic acid]] and is typically used in acidic foods such as fruit juices, carbonated drinks, and pickles.

==Chemical Structure==
Potassium benzoate has the chemical formula C7H5KO2. It consists of a [[benzene ring]] attached to a [[carboxyl group]] (COOH), with a potassium ion replacing the hydrogen in the carboxyl group. This gives the compound its preservative properties.

==Uses==
Potassium benzoate is used primarily as a food preservative. It is effective in preventing the growth of molds, yeasts, and some bacteria in acidic foods. It is commonly found in carbonated drinks, fruit juices, pickles, and condiments. It is also used in the fireworks industry to produce a whistling noise when ignited.

==Safety and Health Effects==
The [[U.S. Food and Drug Administration]] (FDA) has recognized potassium benzoate as a safe food preservative when used in appropriate amounts. However, when combined with ascorbic acid (vitamin C), it can form benzene, a known carcinogen. Therefore, it is not recommended to consume products containing both potassium benzoate and ascorbic acid.

==Environmental Impact==
Potassium benzoate is readily biodegradable, meaning it can be broken down by microorganisms in the environment. However, it can contribute to the eutrophication of water bodies if released in large quantities.

==See Also==
* [[Sodium benzoate]]
* [[Food preservation]]
* [[Benzoic acid]]
* [[Preservative]]

[[Category:Food additives]]
[[Category:Preservatives]]
[[Category:Potassium compounds]]
{{food-stub}}
{{chem-stub}}

Potassium benzoate - Revision history

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