西兰花增加心脏泵血能力
Broccoli Good for the HeartNutrients in Broccoli May Help Protect the Heart, Say Scientists Studying Rats
Jan. 18, 2008 -- Here's another reason to eat broccoli: It may help your heart.
University of Connecticut researchers report that news after studying broccoli and heart health in rats.
The scientists brewed a broccoli extract and fed it to rats for a month in addition to regular rat chow. For comparison, they fed other rats water instead of the broccoli extract in addition to their regular diet.
After feeding the rats broccoli extract or extra water for 30 days, the scientists tested the rats' hearts. Some of those tests deprived the heart of oxygen, similar to a heart attack.
The rats that had eaten the broccoli extract had three heart advantages over the other rats:
1、Better blood-pumping ability
2、Less heart damage during oxygen deprivation
3、Higher levels of heart-health chemicals during oxygen deprivation
Broccoli's key nutrients include selenium and sulforaphane, which may also curb cancer, note graduate student Subhendu Mukherjee and Dipak Das, PhD.
Their findings appear in the Journal of Agricultural and Food Chemistry.
http://www.webmd.com/heart-disease/news/20080118/broccoli-good-for-the-heart
西兰花中富含甜菜碱（betaine），可以通过消除同型半胱氨酸(homocysteine)改善血液循环
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