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Curing salt is used in meat processing to generate a pinkish shade and to extend shelf life. It is both a color agent and a means to facilitate food preservation as it prevents or slows Decomposition, spoilage by bacteria or fungus. Curing salts are generally a mixture of sodium chloride (salt#Table salt, table salt) and sodium nitrite, and are used for pickling meats as part of the process to make sausage or Curing (food preservation), cured meat such as ham, bacon, pastrami, corned beef, etc. Though it has been suggested that the reason for using nitrite-containing curing salt is to prevent botulism, a 2018 study by the British Meat Producers Association determined that legally permitted levels of nitrite have no effect on the growth of the ''Clostridium botulinum'' bacteria that causes botulism, in line with the UK’s Advisory Committee on the Microbiological Safety of Food opinion that nitrites are not required to prevent ''C. botulinum'' growth and extend shelf life. (see also sodium nitrite#Inhibition_of_microbial_growth, Sodium Nitrite: Inhibition of microbial growth).
Many curing salts also contain red dye that makes them pink to prevent them from being confused with common table salt. Thus curing salt is sometimes referred to as "pink salt". Curing salts are not to be confused with Himalayan salt, Himalayan pink salt, a halite which is 97–99% sodium chloride (table salt) with trace elements that give it a pink color.
Curing salt is used in meat processing to generate a pinkish shade and to extend shelf life. It is both a color agent and a means to facilitate food preservation as it prevents or slows Decomposition, spoilage by bacteria or fungus. Curing salts are generally a mixture of sodium chloride (salt#Table salt, table salt) and sodium nitrite, and are used for pickling meats as part of the process to make sausage or Curing (food preservation), cured meat such as ham, bacon, pastrami, corned beef, etc. Though it has been suggested that the reason for using nitrite-containing curing salt is to prevent botulism, a 2018 study by the British Meat Producers Association determined that legally permitted levels of nitrite have no effect on the growth of the ''Clostridium botulinum'' bacteria that causes botulism, in line with the UK’s Advisory Committee on the Microbiological Safety of Food opinion that nitrites are not required to prevent ''C. botulinum'' growth and extend shelf life. (see also sodium nitrite#Inhibition_of_microbial_growth, Sodium Nitrite: Inhibition of microbial growth).
Many curing salts also contain red dye that makes them pink to prevent them from being confused with common table salt. Thus curing salt is sometimes referred to as "pink salt". Curing salts are not to be confused with Himalayan salt, Himalayan pink salt, a halite which is 97–99% sodium chloride (table salt) with trace elements that give it a pink color.
Types
There are many types of curing salts often specific to a country or region.Prague Powder #1
One of the most common curing salts. It is also called Insta Cure #1 or Pink curing salt #1. It contains 6.25% sodium nitrite and 93.75% table salt. It is recommended for meats that require short cures and will be cooked and eaten relatively quickly. Sodium nitrite provides the characteristic flavor and color associated with curing.Prague Powder #2
Also called Pink curing salt #2. It contains 6.25% sodium nitrite, 4% sodium nitrate, and 89.75% table salt. The sodium nitrate found in Prague powder #2 gradually breaks down over time into sodium nitrite, and by that time a Sausage making#Cured dry sausages, dry cured sausage is ready to be eaten, no sodium nitrate should be left. For this reason it is recommended for meats that require long (weeks to months) cures, like hard salami and country ham.Saltpetre
Another name for potassium nitrate (KNO3), saltpetre, also called saltpeter or nitrate of potash, has been a common ingredient of some types of salted meat for centuries but its use has been mostly discontinued due to inconsistent results compared to nitrite compounds (KNO2, NaNO2, NNaNO2, etc.) Even so, saltpetre is still used in some food applications, such as some ''charcuterie'' products. It should not be confused with Chile saltpetre or Peru saltpetre, which is sodium nitrate (NaNO3).Further reading
* Coudray, Guillaume. ''Who poisoned your bacon? The dangerous history of meat additives''. London: Icon Books, 2021See also
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{{DEFAULTSORT:Curing Salt Edible salt Food preservation