five reasons why you should not reuse the cooking oil

Five Reasons Why You Should Not Reuse The Cooking Oil

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Indian food is certainly delicious and flavorful. People never say no to delicacies, no matter what occasion or day. But have you ever considered the oil in which they are cooked? Frying items in previously used oil, inside or outside, is pretty prevalent in Indian kitchens. 

This typical kitchen habit may save you time and money, but it might also be the source of your body’s excessive inflammation levels.

Reheating cooking oil, according to the Food Safety and Standards Authority of India, causes the release of hazardous compounds as well as an increase in free radicals in the body, which causes inflammation and a range of chronic ailments. 

To reduce the creation of trans fat, FSSAI recommends avoiding reheating and reusing the oil three times. Let’s see what are the ill effects of used cooking oil on our bodies.

Reasons Why You Should Not Reuse The Cooking Oil


1. It Has The Potential To Raise Your Blood Pressure

The moisture in the foods, atmospheric oxygen, and high temperatures produce hydrolysis, oxidation, and polymerization reactions. 

These processes alter and change the chemical makeup of the utilized frying oil, releasing free fatty acids and radicals that generate monoglycerides, diglycerides, and triglycerides. 

These are included under Total Polar Compounds, which is a valid baseline for assessing cooking oil deterioration. The toxic chemicals generated by repeated frying may result in fat accumulation, oxidative stress, hypertension, atherosclerosis, and other health problems.

Now that we know how damaging re-heating oil may be, it is advisable to create an accurate estimate of the amount of oil needed for frying, cooking, and other purposes to keep healthy life and disease-free.

Raise Your Blood Pressure

2. It Increases The Carcinogenicity Of Oil

When you hear the phrase carcinogenic, you immediately think of cancer. Many searches have revealed that warming cooking oil may induce cancer symptoms. Cooking prepared food Cooking oil may boost free radicals in the body, leading to inflammation. 

Toxic substances in reused cooking oils may contribute to obesity, heart disease, and diabetes. Inflammation can also lower immunity and make you more susceptible to other diseases.

You Can Also Read “Lower Your Inflammation With These 7 Foods“.

3. Increased Acidity

It might be from reheating cooking oil if you experience a continual burning sensation in your stomach and throat. Bad cooking oil might be the root cause of any acidity that is harmful to your health. 

Deep-fried foods can lead to unpleasant sensations, lower appetite, and even induce stomach aches. It is best to avoid junk food and deep-fried food often.

Increased Acidity

4. It Raises LDL Cholesterol

Food prepared with black, smoked oil that is used and reheated throughout the day can raise LDL or bad cholesterol levels in the body. High LDL cholesterol levels can increase the risk of heart disease, stroke, and chest discomfort. 

To minimize cholesterol-related issues, avoid reusing cooking oil.

5. It Emits Poisonous Substances That Give It A Foul Odor

When oil is warmed, the fat molecules in it continue to break down, eventually reaching its smoke point and emitting a foul odor. And when the oil is reused, the process repeats, making the oil more rancid and odorous.

Foul Odor

Important Points To Keep In Mind Before Reusing The Oil:

1. What Happens When You Deep-Fried Something?

When you deep-fried a food item, it first dehydrates it, and then a process occurs in which proteins and carbohydrates are broken down, resulting in the browning of the food item. The cooking process produces free radicals, and reusing such oil might cause health problems. 

It is also thought that reusing the same oil might contribute to atherosclerosis, a condition that causes an increase in harmful cholesterol in the body.

2. Frying Vessel Type

It may surprise you to learn that frying at home degrades the oil faster than cooking at a restaurant. It occurs as a result of the heat arrangement as well as the type of cooking pot utilized. 

Food particles fall to the bottom of the pan/wok in the home setup and, owing to direct heat, give their flavor to the oil and speed its breakdown.

Frying Vessel

3. Is It OK To Reuse Unused Oil?

When we deep-fried a food item, the first question that comes to mind is whether the excess oil should be saved for future use or tossed. On the internet and social media, we come across opposing viewpoints that confuse us. 

Please tell us more about the fact and their implications.

4. Temperature And Oil Type

The reusability of oil is also affected by its kind and the temperature at which it is heated. Experts advocate heating refined oil at a high temperature, however, raw oils such as extra virgin olive oil and sesame oil should not be cooked at all. 

5. Should The Oil Be Reused Or Not?

According to experts, you may reuse the oil after removing the minute food particles using a sieve. Furthermore, it should not have been subjected to exceptionally high temperatures. Make sure the oil is properly stored in a tightly sealed jar.

Avoid using the preserved oil if it becomes excessively thick, oily, or dark in color. The open oil with contaminants (food particles) should never be used again.

Oil Be Reused Or Not

In A Nutshell


Other health issues associated with consuming meals cooked in reheated cooking oil include acidity, obesity, high blood pressure, weight gain, diabetes, cataracts, and other disorders… 

As a result, it is critical to tightly manage the reusability of cooking oil in both homes and restaurants. At the same time, establish an accurate estimate of the amount of oil needed for cooking to live a healthy life.

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