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Here are some impressive health benefits of onions

Though all vegetables are important for health, certain kinds offer unique benefits. Onions are members of the Allium genus of flowering plants that also includes garlic, shallots, leeks and chives.

onions

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  2 Jan 2021 2:45 AM GMT

New Delhi: Though all vegetables are important for health, certain kinds offer unique benefits. Onions are members of the Allium genus of flowering plants that also includes garlic, shallots, leeks and chives.

These vegetables contain various vitamins, minerals and potent plant compounds that have been shown to promote health in many ways.

In fact, the medicinal properties of onions have been recognized since ancient times, when they were used to treat ailments like headaches, heart disease and mouth sores.

Here are some impressive health benefits of onions.

Packed with nutrients

Onions are nutrient-dense, meaning they're low in calories but high in vitamins and minerals. One medium onion has just 44 calories but delivers a considerable dose of vitamins, minerals and fiber.

This vegetable is particularly high in vitamin C, a nutrient involved in regulating immune health, collagen production, tissue repair and iron absorption.

Vitamin C also acts as a powerful antioxidant in your body, protecting your cells against damage caused by unstable molecules called free radicals.

Onions are also rich in B vitamins, including folate (B9) and pyridoxine (B6) — which play key roles in metabolism, red blood cell production and nerve function. Lastly, they're a good source of potassium, a mineral in which many people are lacking.

In fact, the average potassium intake of Americans is just over half the recommended daily value (DV) of 4,700 mg. Normal cellular function, fluid balance, nerve transmission, kidney function and muscle contraction all require potassium.

May benefit heart health

Onions contain antioxidants and compounds that fight inflammation, decrease triglycerides and reduce cholesterol levels — all of which may lower heart disease risk. Their potent anti-inflammatory properties may also help reduce high blood pressure and protect against blood clots.

Quercetin is a flavonoid antioxidant that's highly concentrated in onions. Since it's a potent anti-inflammatory, it may help decrease heart disease risk factors, such as high blood pressure.

A study in 70 overweight people with high blood pressure found that a dose of 162 mg per day of quercetin-rich onion extract significantly reduced systolic blood pressure by 3–6 mmHg compared to a placebo.

Onions have also been shown to decrease cholesterol levels. A study in 54 women with polycystic ovarian syndrome (PCOS) found that consuming large amounts of raw red onions (40–50 grams/day if overweight and 50–60 grams/day if obese) for eight weeks reduced total and "bad" LDL cholesterol compared to a control group.

Additionally, evidence from animal studies supports that onion consumption may reduce risk factors for heart disease, including inflammation, high triglyceride levels and blood clot formation.

Loaded With Antioxidants

Antioxidants are compounds that inhibit oxidation, a process that leads to cellular damage and contributes to diseases like cancer, diabetes and heart disease.

Onions are an excellent source of antioxidants. In fact, they contain over 25 different varieties of flavonoid antioxidants.

Red onions, in particular, contain anthocyanins — special plant pigments in the flavonoid family that give red onions their deep color.

Multiple population studies have found that people who consume more foods rich in anthocyanins have a reduced risk of heart disease. (Agencies)

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