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by GreenMedInfo Research Group
Onions are anti-oxidant, anti-inflammatory, anti-cancer, and anti-cardiac, and they come in different colors and types. Here are five important contributions of vegetables to health
Vegetables are an important source of health and nutrition. However, there are a few distinct vegetables. And the Onions A staple in many American kitchens and cuisines around the world – has provided some of the most important benefits for several generations.
The type of onion may guide you about its specific benefits. Red onions are known to be particularly rich Quercetin, Vegetable dye or Flavonoids It is found in many fruits, vegetables and grains. Found in a large variety of foods as well as beverages such as tea and wine, flavonoids have antioxidant, anti-inflammatory, and anti-cancer properties, along with the ability to modulate cellular enzyme function.[i]
Other varieties like green, brown, and white boast their own combinations of health benefits. Green onions, also known as green onions, are traditionally used to treat colds, flu, abdominal pain, headache, and heart disease.[ii] Let’s take a look at five wonderful health benefits of onions.
1. Supporting heart health
Contains onions Antioxidants These may support healthy cholesterol levels as well as help manage blood pressure, both of which may reduce the risk of heart disease.
A study of 70 overweight people with high blood pressure found that onion extract rich in quercetin, 162 milligrams (mg) daily in particular, reduced systolic blood pressure by 3 to 6 mm Hg versus a placebo.[iii]
Another study in 54 patients with PCOS concluded that they consumed about 40 to 50 grams (g) per day of raw red onions (if he was overweight) and 50 to 60 grams per day (if he was obese). Obesity) for eight weeks. Reduced total cholesterol and bad cholesterol compared to a control group that ate less onions.[iv]
2. Fight against oxidative stress
Onions are an excellent source of antioxidants, and in fact offer more than 25 different types of flavonoids. Antioxidants.[v]
Specifically, anthocyanins, which are special plant pigments that give red onions their color, have been linked to a reduced risk of heart attacks. This was found in a study of 93,600 women with the highest intake of foods filled with anthocyanins.[vi] Additionally, anthocyanins provide protective effects against certain types of cancer.[vii]
In a 2012 study, quercetin demonstrated a protective effect against oxidative stress induced by sodium fluoride in the heart in an animal model.[viii] Consuming onion peel itself, which has been found to contain quercetin in abundance, may also benefit obese people as a way to reduce oxidative stress to help prevent the onset of chronic disease.[ix]
3. Improve skin and hair health
Onion extract gel may be beneficial in wound healing, which holds great promise for improving the cosmetic appearance of postoperative scars.[x] A study has shown that it significantly improves scar softness, redness and texture as well as appearance at the circumcision site in the 4th, 6th and 10th weeks during the research.
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When applied topically, raw onion juice may aid in hair regrowth compared to tap water and is potentially an effective topical treatment for alopecia areata.[xi]
4. Offer anti-cancer benefits
Onions contain the antioxidant flavonoid quercetin, which may prevent the growth of tumors.[xii] In a 2006 study, a uniquely large data set of southern European residents demonstrated an inverse association between frequent consumption of allium vegetables, especially onions and garlic, and the risk of infection with several common vegetable types. Cancers.[xiii]
Allium vegetable also appeared in an analysis of residents of northeastern China and was linked to a reduced risk of colon and rectal cancer in both men and women.[xiv]
5. Help fight diabetes
Consuming onions may also have beneficial effects on diabetics by helping to lower blood sugar levels. A study in 42 people with type 2 diabetes, for example, showed that eating 3.5 ounces of fresh red onions reduced fasting blood sugar levels by 40 mg / dL after four hours.[xv]
Quercetin, along with hesperidin, may play an effective role in regulating insulin metabolism in diabetes.[xvi] To justify their powerful antioxidant properties, garlic, white onions, and purple onions display anti-diabetic properties as well as antihypertensive properties.[xvii]
Quercetin also shows promise in preventing neurodegeneration in diabetic retinopathy, which is a severe complication of the disease and the leading cause of blindness in adults worldwide.[xviii] Find out more The health benefits of onions And the Quercetin Wellness Benefits On GreenMedInfo.com.
References
[i] Bunch A et al Flavonoids: an overview J Clin Sci. 2016 Dec 29; 5: e47. Doi: 10.1017 / jns.2016.41.007.
[ii] Young Song Wai et al “The aqueous and ethanolic extracts of Welsh onion, Allium fistulosum, relieve obesity induced by a high-fat diet.” BMC Supplement Alternative Med. 2018 March 20; 18 (1): 105.
[iii] Brull V et al “Effects of a skin extract rich in quercetin onion on 24-hour transient blood pressure and endothelial function in overweight to obese patients with hypertension (before): a randomized, double-blind, placebo-controlled trial” Br J Nutr. 2015 Oct 28; 114 (8): 1263-77. Epub 2015 Sep 2.
[iv] Ebrahimi-Mamaghani M et al “Effects of consuming raw red onions on metabolic features in overweight or obese women with PCOS: a clinical randomized controlled trial” J Obstet Gynaecol Res. 2014 April; 40 (4): 1067-76. Epub 2014 Mar 10.
[v] Slimstad R et al Onions: a source of the unique dietary flavonoids Ji Agric Food Chem. 2007 Dec 12; 55 (25): 10067–80. Epub 2007 Nov 13.
[vi] Cassidy A et al High intake of anthocyanins is associated with a reduced risk of myocardial infarction in young and middle-aged women. Rotation. 2013 Jan 15; 127 (2): 188–96.
[vii] Lynn B et al “Effects of anthocyanins on cancer prevention and treatment” Pharmacol J. 2017 June; 174 (11): 1226-1243. Epub 2016 Oct 25.
[viii] Nabavi S et al “Protective effect of quercetin against oxidative stress induced by sodium fluoride in the heart of mice” Food function. 2012 Feb 8. Epub 2012 Feb 8.
[ix] Kim K et al “Antioxidant activity of onion peel extract in obese women: a randomized, double-blind, placebo-controlled study” J former cancer. 2015 Sep; 20 (3): 202-7.
[x] Drailus G. The ability of onion extract gel to improve the cosmetic appearance of postoperative scars. J Cosmet Dermatol. 2008 June; 7 (2): 101-4.
[xi] Sharky K et al Onion juice (Allium cepa L.), a new topical treatment for alopecia areata J Dermatol. 2002 June; 29 (6): 343-6.
[xii] Hashemzaei M et al “Anticancer and apoptotic effects of quercetin in vitro and in vivo” Oncol rep. 2017 August; 38 (2): 819–828.
[xiii] Galleon 100 Al “The use of onions and garlic and human cancer” Am J Clin Nutr. 2006 November; 84 (5): 1027–32.
[xiv] Wu X et al “Allium vegetable associated with reduced risk of colorectal cancer: a matched case-control study in a hospital in China” Asia Pak J Clin Oncol. 2019 Feb 20. Epub 2019 Feb 20.
[xv] Eldin I et al “A preliminary study of the clinical effects of hypoglycemia of Allium cepa (red onion) in patients with type 1 and type 2 diabetes.” Environ Health Insights. 2010; 4: 71-77. Epub 2010 Oct 14.
[xvi] Dokumacioglu E et al “Effects of hesperidin and quercetin on serum tumor necrosis factor alpha and interleukin-6 in a streptozotocin-induced diabetes model” Pharmacogen Mag. 2018 April-June; 14 (54): 167-173. Epub 2018 Apr 10.
[xvii] Oboh G et al The inhibitory effect of garlic, purple onions and white onions on key enzymes associated with type 2 diabetes and hypertension. J Diet Suppl. 2018 Mar 9: 1-14. Epub 2018 Mar 9.
[xviii] Hey M. et al Neuroprotective effects of quercetin in the retina of diabetic mice. Saudi J Biol Sci. September 2017; 24 (6): 1186-1194. Epub 2016 Dec 3.
Source: GreenMedInfo
The GMI Research Group (GMIRG) is dedicated to investigating the most important health and environmental issues of the day. Special emphasis will be placed on environmental health. Our focused and in-depth research will explore the many ways in which the current state of the human body directly reflects the true state of the surrounding environment.
DisclaimerThis article is not intended to provide medical advice, diagnosis, or treatment. The opinions expressed herein do not necessarily reflect the views of GreenMedInfo or its employees.
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