Lye is a corrosive alkaline substance, commonly sodium hydroxide (NaOH, also known as 'caustic soda') or historically potassium hydroxide (KOH, from hydrated potash). Previously, lye was one of many different alkalis leached from hardwood ashes.[1] Today lye is commercially produced using a membrane cell method. Sturdy dry lye is commonly readily available as flakes, pellets, microbeads, and rough powder. It is also available since solution, generally dissolved in water. Lye is valued for its use in food preparation,  soap making,  biodiesel production, and home uses, including oven cleanser and drain opener.

Canister of sturdy dry lye.

Contents �[hide]� * 1 Food uses * 2 Safety 5. 2 . 1 Hazardous reactions 2. 2 . 2 Protection * 2 . 3 Storage 2. 3 Soap Making * 4 Notes * 5 References| -------------------------------------------------

[edit]Meals uses

Lye is used to cure many types of food, these kinds of as lutefisk, green olives, canned mandarin a melon,  hominy,  lye rolls,  century eggs, and pretzels. It is also employed as a tenderizer in the crust of baked Cantonese moon cakes, and lye-water " zongzi" (glutenous rice dumplings wrapped in bamboo leaves), in chewy southern Chinese noodles popular in Hong Kong and southern Chinese suppliers, and in Japan ramen. In the United States, food-grade lye must fulfill the requirements outlined in the Foodstuff Chemicals Codex (FCC),[2] as recommended by the U. S. Foodstuff and Drug Administration (FDA).[3] Lower grades of lye are commonly used as drain openers and oven cleansers and should certainly not be used pertaining to food preparation.[3] -------------------------------------------------

[edit]Safety

Lye is a strong alkali, generating highly basic solutions. Equally wet lye and dried out lye alternatives are highly caustic and may cause chemical substance burns, long term injury or perhaps scarring, and blindness. Lye may be harmful or fatal if ingested. [edit]Hazardous reactions

This image shows the consequence of lye upon human skin. Chemical burns of this type can be extremely...

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