The color of the blueberries which is generated by the phytochemicals significantly improve cardiovascular health.
Hypertension "the silent killer" which has no visible symptoms in its early stages affects 1in 3 persons. Hypertension creates pressure on the cardiovascular system which may further give rise to stroke, heart and kidney failure.
The studies have recommended that people with high blood pressure maintain it by adopting healthy measures like taking healthy food, not smoking, balanced weight, etc. The following should be included in their diet like broccoli, spinach, pulses, berries, and fish. These control the risk of heart disease due to the presence of antioxidant polyphenols.
It is found that the color of the blueberries which is generated by anthocyanins is responsible for the mediation of the effects in the cardiovascular system.
To research on the effects of blueberries the scientists took a sample of blood pressure and calculated it through the flow-mediated dilation of the arteries. This FMD is a standard indicator of cardiovascular risks. This will measure the widening of the brachial arteries when the blood flow is at a higher rate.
Now the researchers compared drinking blueberries with drinking purified anthocyanins or control drinks that had concentrations of fiber, minerals, or vitamins equivalent to those in blueberries. They noticed the beneficial effects of the blueberry drinks only 2 hours after the participants had consumed them.
Purified anthocyanin’s applied a portion subordinate improvement of endothelial capacity in healthy people, as estimated by FMD. The endothelium is a kind of film inside the heart and veins. It contains endothelial cells that assistance controls the expansion and constriction of the conduits. Endothelial cells likewise help hold circulatory strain under wraps and assume a key job in blood thickening. They kept on saying that the impacts were like those of blueberries containing comparative measures of anthocyanins, while control drinks containing fiber, minerals, or nutrients had no critical impact. Following a month of having 200 g of blueberries every day, the members' pulse diminished by 5 millimeters of mercury (mm Hg), by and large. They noticed that such abatement is normally acquired with medicine.
They concluded like their results identified anthocyanin metabolites as major mediators of vascular bioactivities of blueberries and changes of cellular gene programs. And anthocyanin’s circulating in the blood as phenolic acid metabolites. If the changes observed in the blood vessel function after having their blueberries daily would sustain for the whole person’s life then it could reduce the risk of developing heart diseases by 20%.