A number of the completely different vitamins you may discover in 1 cup of cooked onions freed from salt embrace 349 milligrams (mg) of potassium, 73.5 mg of phosphorus, 46.2 mg of calcium, and a bit of over 23 mg of magnesium (per U.S. Division of Agriculture).
Onions additionally comprise a flavonoid often known as quercetin. Researchers from a 2017 research revealed in Lipids in Well being and Illness got down to higher perceive the connection between quercetin and its potential results on reverse ldl cholesterol transport (RCT), or the method wherein the physique removes ldl cholesterol from the cells. Utilizing mice who had been fed a high-fat eating regimen, it was discovered that quercetin boosted ldl cholesterol switch, lowered levels of cholesterol, and enhanced “good” HDL ldl cholesterol functioning.
Even alternate types of onion have been proven to supply these identical cholesterol-lowering advantages. In an 8-week research revealed in 2015 in Plant Meals for Human Diet, researchers discovered that ingesting quercetin-rich onion juice considerably diminished LDL levels of cholesterol in sufferers with mildly excessive ldl cholesterol.