Food preservation - Revision history

Ahoussney: /* Methods */

2019-12-11T20:50:46Z

‎Methods

2016-03-10T15:27:35Z

‎Methods

2016-03-10T15:26:48Z

‎Methods

2015-09-01T17:35:26Z

‎Drying

2015-02-07T17:10:20Z

‎Silage and Haylege (acid)

2015-02-07T17:10:10Z

‎Silage and Haylege (acid)

2015-02-07T17:08:10Z

‎Fermentation

2015-01-21T17:52:26Z

‎Methods

2015-01-21T17:49:55Z

2015-01-21T17:47:16Z

‎Methods

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 Main methods of food preservation are:
-*Desiccation through [[Food preservation#drying|drying]] or through osmotic pressure across the cell walls of microbes through [[salting]], and [[candying]] (or preserving in syrup).
+*[[Food preservation#drying|drying]] desiccation so that there is not enough water to support microbial life.
-*[[Fermentation]] either by the activity of acids such as [[acetic acid]] or alcohols.
+*[[Salting]] adding salts so that water will be drawn out of the microbes and they will not be able to live or multiply. (through osmotic pressure across the cell walls of microbes) 10% salt in water is enough to prevent microbial growth.
 *Alkali - by addition of [[lye]] such as in hominy or lutefisk
-*[[Canning]] - sterilizing and maintaining food in a sealed sterile environment
+*[[Canning]] - sterilizing with heat (and sometimes pressure) sometimes in combination acidity or sugar and maintaining food in a sealed sterile environment
 *[[Smoking]]
 ==[[Drying]]==

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 *Alkali - by addition of [[lye]] such as in hominy or lutefisk
 *[[Canning]] - sterilizing and maintaining food in a sealed sterile environment
 ==[[Drying]]==

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 *Desiccation through [[Food preservation#drying|drying]] or through osmotic pressure across the cell walls of microbes through [[salting]], and [[candying]] (or preserving in syrup).
-*Fermentation either by the activity of acids such as [[acetic acid]] or alcohols.
+*[[Fermentation]] either by the activity of acids such as [[acetic acid]] or alcohols.
 *Alkali - by addition of [[lye]] such as in hominy or lutefisk
 ==[[Drying]]==

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 ==[[Drying]]==
-Drying is one of the most common methods of food preservation in use today. One of the primary advantages of [[cereal grains]], [[oil seeds]], [[nuts]] and [[pulses]] is that they easily and readily dry for long-term storage in [[grain bin]]s or [[silo]]s.
+Drying is one of the most common methods of food preservation in use today. One of the primary advantages of [[cereal grains]], [[oil seeds]], [[nuts]] and [[pulses]] is that they easily and readily dry for long-term storage in [[grain bin]]s or [[silo]]s. Drying is also effective for the preservation of [[herbs]].
 ===[[Haying]]===

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 Ensilage is a common form of fermentation for the preservation of [[silage]] for animal fodder, it is frequently used in areas where rainfall and humidity make it difficult to produce [[hay]].
 (how to make silage) Silage is commonly kept in [[silo]]s, ether of the upright type or horizontally on the ground or in pits. On a small scale a barrel with a tightly sealing lid can be used.
-''main article''[[Silage#making silage|making silage]]
+''main article'' [[Silage#making silage|making silage]]
 ===Preservation in [[alcohol]]===

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 ===[[Pickling]] (acid)===
-===[[Ensilage]] (acid)===
+===[[Silage]] and Haylege (acid)===
 ===Preservation in [[alcohol]]===

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-'''''Food preservation''''' methods are necessary to protect harvests of food crops from spoilage due to fungal or bacterial colonization and/or insect and rodent infestation.
+'''''Food preservation''''' methods are necessary to protect harvests of food crops from spoilage due to fungal or bacterial colonization (and/or insect and rodent infestation) as well as preventing oxidation, especially of fats.
 ==Methods==
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 ==[[Sugaring]]==
 ==[[Fermentation]]==