People can eat onions raw or cooked. Onions contain fructose, which the intestine breaks down during digestion. The breakdown of the sugar causes gas to form. The gas from onions is also likely to cause an odor.
Your Refrigerator or Freezer is Your Friend
It turns out that placing an onion in the freezer (for a quick 10 minutes) or refrigerator (for just 30 minutes before cutting) works. It keeps the cells from “exploding” into the air as quickly as a room temp onion can.
Onions contain fructans, which are soluble fibers that may cause bloating.
Onions are underground bulb vegetables that are normally eaten in small quantities. They are one of the main dietary sources of fructans which are known to cause bloating. Some individuals are sensitive to the components in onions, especially when they are raw.
Share on Pinterest Symptoms of an onion allergy may include nausea, headache, and itching. If food comes into contact with onions, it may trigger an allergic reaction. If a person is allergic to onions, symptoms can appear up to 2 hours after ingestion.
Onions, along with other members of the allium family like shallots, chives and garlic, are high in sulfur. "If you have an allium or sulfur intolerance or allergy, it can manifest as nausea, cramping, indigestion, diarrhea or even breathing difficulty, itching, hives and/or headache," Foroutan says.
Onions can cause issues with your digestions system with the ability to create acid reflux issues and in turn affecting your sleep. The same warning applies for tomatoes. Eating onions regularly can increase likelihood of heartburn which can create reflux when you lie down.
High-protein diets, like the ketogenic diet and the carnivore diet, are brimming with foods that cause foul-smelling flatulence. Beef, eggs, pork, fish, and poultry are rich in sulfur, which can be turned into hydrogen sulfide by gut bacteria, resulting in foul-smelling gas that is reminiscent of rotten eggs.
The answer is: whichever way you prefer since most preparations of onions are a healthy addition to a meal. Raw onions do actually contain higher levels of organosulfur compounds or the chemicals that make your eyes water when you cut them.
Onions produce the chemical irritant known as syn-Propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears.
Let's start with the #1 reason for stinky farts: It's tied to something you consumed. Gasses that form during your digestive process can be a healthy result of a nutritious diet loaded with fiber-rich foods. Digestion sometimes churns up hydrogen sulfide, which can add a rotten-egg odor to any air biscuit you cook up.
Common causes of foul-smelling gas can be a food intolerance, high-fiber foods, certain medications and antibiotics, and constipation.
Typical conditions that can cause smelly flatulence include lactose and gluten intolerances. In both of these conditions, the body's inability to break down lactose or gluten causes smelly gas to build up and eventually be released. Other people may have food intolerance due to a disease such as celiac disease.
Onions contain a high amount of prebiotics and fiber. In the body, this helps improve gut health by aiding in digestion, strengthening the immune system, and lowering inflammation.
Tryptophan triggers the brain's sleep process: Tryptophan is an amino acid known to promote sleep. View Source within the brain. Turkey contains high levels of tryptophan, so it is famously blamed for sleepiness after Thanksgiving dinner. Other foods with tryptophan include milk, bananas, oats, and chocolate.
In fact, many people with IBS eventually realize that they have symptoms after eating garlic and onion. Garlic and onion contain fructans. These are a specific type of carbohydrate. They're not bad for your health in general, but they can sometimes trigger symptoms in people with IBS.
Onions are hard to digest largely because they contain fructans, which are not absorbed well in the small intestine. In fact, as fructans ferment, they can cause a great deal of digestive distress in the form of bloating, gas and diarrhea.