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Rancidity is the chemical decomposition of fats, oils and other lipids. There are three basic types of rancidity. Hydrolytic rancidity occurs when water splits fatty acid chains away from the glycerol backbone in glycerides. Oxidative rancidity occurs when the double bonds of an unsaturated fatty acid react chemically with oxygen. Microbial rancidity refers to a process in which microorganisms such as bacteria use their enzymes, including lipases, to break down chemical structures in the fat. In each case, these chemical reactions result in undesirable odors and flavors.

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โˆ™ 2015-05-18 19:54:07
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โˆ™ 2008-10-25 04:29:15

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Q: What is rancidity?
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Related questions

What are the types of rancidity?

the types of rancidity are oxidative, microbial and hydrolytic...

What are types of rancidity?

the types of rancidity are oxidative, microbial and hydrolytic...

What are the disadvantages of rancidity in fats and oils?

what are the disadvantages of rancidity in fats and oils?

How do you minimize corrosion and rancidity?

By simple coating with anti-corrosion and anti-rancidity

What causes the rancidity of fat and oil?

rancidity is cause by oxidation, hydrolysis or both.

What type of reaction take place in rancidity?

chemical reaction takes place in rancidity

How you check rancidity?

we can check rancidity thru two methods :- check the smell usually it becomes foul and see if the the fats and oils are oxidized ,if yes then it is rancidity.

What is a major cause of rancidity of lipids in foods?

Hydrolytic rancidity is caused by microorganisms and enzymes. Oxidative rancidity is caused by exposure to oxygen, heat, metals, and enzymes.

Name two anti oxidants which are usually added to fat and oil containing foods to prevent rancidity?

There are two types of rancidity: oxidative rancidity and hydrolytic rancidity. Citric acid and phosphoric acid are added to prevent rancidity in fats. Other antioxidants include butylated hydroxyanisole (BHA)and butylated hydroxytoluene (BHT).

How do you minimize rancidity?

we could minimize rancidity by adding anti oxidents(which prevents oxidation) to food items.

What are the by-products of rancidity?

rancidity food are very wasted food for our health because there oil and oil are faty

How is rancidity hastened and how can it be prevented?

Rancidity can be increased by increasing the temperature and the amount of air and moisture. It can be prevented by storing foods within a short time. Restricting the air and moisture can also prevent rancidity.

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