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The Science of Not Washing Peeled Onions for Health Benefits

Food, Medicines, and Lies

The Health Talk series by Dr. Prritii

health benefits of onions

Washing onion may wash away nutrients from onion specially flavonoids and sulfur this decreasing is health benefits

Flavonoids and sulfur-containing compounds found in onions play various roles in human health:

1. Flavonoids : These are antioxidants found in plants, including onions. They help to neutralize harmful free radicals in the body, which can reduce the risk of chronic diseases like heart disease, cancer, and neurodegenerative disorders. Flavonoids also have anti-inflammatory properties and may support immune function.

2. Sulfur-containing compounds : Onions are rich in organosulfur compounds, such as allyl sulfides and thiosulfinates , which give them their characteristic smell and taste. These compounds have been studied for their potential health benefits, including anti-cancer properties, cardiovascular protection, and antimicrobial effects. They may also contribute to the overall antioxidant activity of onions.

By consuming onions and other foods rich in flavonoids and sulfur-containing compounds, you may help support your overall health and reduce the risk of certain diseases. However, it's important to consume a balanced diet that includes a variety of fruits, vegetables, whole grains, and lean proteins to reap the full benefits of these compounds.

The benefits of onions can vary depending on whether they are consumed raw, cooked, or fermented:

1. Raw Onion: Eating raw onions provides a high concentration of certain nutrients, such as vitamin C, folate, and dietary fiber. Raw onions also contain phytochemicals like flavonoids and sulfur compounds, which have antioxidant and anti-inflammatory properties. Consuming raw onions may support heart health, immune function, and overall wellness.

2. Cooked Onion : Cooking onions can alter their nutritional profile. While some heat-sensitive nutrients like vitamin C may be reduced during cooking, the heat can also enhance the availability of other nutrients and compounds. For example, cooking onions may increase the bioavailability of certain antioxidants and make them easier for the body to absorb. Cooked onions are also easier to digest for some people compared to raw onions.

3. Fermented Onion : Fermentation involves the action of beneficial bacteria or yeast on food, which can lead to the production of various metabolites and compounds. Fermenting onions can enhance their flavor and texture while also promoting the growth of probiotic bacteria. Fermented onions may have additional health benefits beyond those of raw or cooked onions, such as improved digestion, enhanced gut health, and increased bioavailability of nutrients. Fermentation can also increase the concentration of certain bioactive compounds, such as antioxidants and phytochemicals, potentially boosting their health-promoting effects.

Each form of onion consumption offers unique advantages, and incorporating a variety of preparations into your diet can help you maximize the health benefits of onions.


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