Is it safe to eat tomato sauce with mold on the lid?

In this brief article, we will provide you with the answer to the question: “Is it safe to eat tomato sauce with mold on the lid?”, discuss what can happen if you eat moldy food, and share some tips to avoid mold growing in your food.

Is it safe to eat tomato sauce with mold on the lid?

No, it is not safe to eat tomato sauce with mold on the lid. Even if you are not seeing mold inside the can, it could have fungus and spores in there.

Mold spores are harmful to your health. Cooking destroys them, but the toxins they may have created remain. Eating rotten tomato sauce might have long-term implications, so if you can not finish it quickly, freeze the leftovers.

Cutting the moldy part does not solve the issue, because it is already in the whole food since the fungus is not composed only by the visible part on the surface of the food, its colony is developed on the inside of the food and it is not possible to see with the naked eye. This is where harmful substances, called mycotoxins, are produced and vary according to the species of fungus. 

It is also important to check if the container is: leaking, bulging, or bloated; if the container seems broken, cracked, or odd; and when opened, the container sprays liquid or foam; or The food is discolored, rotten, or has a bad odor. This might indicate botulism.

What can happen if you eat moldy food?

Eating moldy food can cause diarrhea, respiratory allergies, and food poisoning. Most of the time, especially if your body is immune, you will just digest the mold like any other meal.

Molds are fungi that enter products via air, water, or insects. It can be harmful, although usually, it is not. Furthermore, it is found in some foods, such as hams and cheeses like blue, Gorgonzola, Brie, and Camembert – all of which are completely safe to eat, according to the USDA (United States Department of Agriculture).

Before you hurry to the clinic, the specialist advises you to wait and observe whether your symptoms extend beyond nausea. The stomach is an unfriendly habitat for these microbes, so mostly fungi will not survive.

In the few occasions where you get sick by ingesting it, it is most likely due to a high concentration of non-toxic molds. You should contact your doctor if you are experiencing chronic nausea and vomiting. 

In certain situations, you may develop respiratory issues as a result of an allergic reaction to a certain fungus. Fortunately, it is just transitory and manageable. 

The spores spread swiftly and can establish themselves in areas with inadequate ventilation and high humidity in less than 24 hours. When you inhale these spores, the trouble begins. They create poisonous compounds called mycotoxins, which can cause an immunological response in some people and are exceedingly dangerous in and of themselves.

When a patient arrives with intoxication symptoms, the doctor determines if it is required to induce vomiting or diarrhea in order to cleanse the body.

How to avoid mold from growing in your food?

Mold growth is favored by hot, humid conditions, so refrigerate your food. Of course, fungi can grow in the fridge too, just more slowly.

The USDA suggests keeping your refrigerator clean, keeping your home’s humidity level below 40 percent, inspecting food before purchasing it, purchasing food in tiny quantities so mold does not have time to develop, covering food with plastic, and eating leftovers within three to four days.

If you find moldy food in your pantry or refrigerator, throw it out right away and thoroughly clean the area to avoid infecting other goods.

Make sure the expiration date is current, and avoid purchasing anything with crumpled packaging.

Non-perishable foods should not be refrigerated: Non-perishable foods can be stored at room temperature without becoming moldy. It is critical that they are stored in a clean, dry environment.

Other FAQs about Tomato Sauce that you may be interested in.

What can i use instead of tomato sauce

Why does tomato sauce make me sick?

Can tomato sauce go bad in the fridge?

Can you overcook tomato sauce?


In this brief article, we provided you with the answer to the question: “Is it safe to eat tomato sauce with mold on the lid?”, discussed what can happen if you eat moldy food, and shared some tips to avoid mold growing in your food.


Quora. “I Ate Some Moldy Tomato Sauce Which Was Sitting Opened for about 3 Months in My Fridge. I Cooked It and It Tasted Fine. Will I Get Sick?” Acessado 3 de fevereiro de 2022.

anapaula. “O que acontece se eu comer um alimento com mofo?” Go Outside (blog), 1o de fevereiro de 2019.

“Is Moldy Tomato Sauce Dangerous? – Cement Answers”. Acessado 3 de fevereiro de 2022.