Blood Pressure and High Cholesterol can be lowered by eating Rice Bran
March 3rd, 2006
A group of
scientists from Japan reported in the March 8th issue of the
Journal of Agricultural and Food Chemistry that eating rice bran, the
outer coating of brown rice, can lower blood pressure as well as
cholesterol. The researchers discovered that the rice bran acts in the
same manor as an ACE inhibitor prescription medicine.
The study was
conducted with rats. The scientists from Tohoku University and Japan’s
National Research Institute of Brewing showed that rats that were
hypertensive and stroke-prone were able to lower their systolic blood
pressure approximately 20 percent in the same method as ACE inhibitors.
ACE inhibitors are
commonly prescribed medications that are used to treat high blood
pressure. The medication dilates the arteries of the patient reducing
the risk of stroke, heart attack and kidney disease. The problems with
ACE inhibitors are the side effects that go with them. Those side
effects are chronic cough, allergic reactions, dizziness, and kidney
At this point the
study does not know if eating more brown rice will have the same effects
of just eating the rice bran by itself. Previous research studies have
shown that eating rice bran can lower LDL “bad” cholesterol.
Rice bran contains
forms of the antioxidant, Vitamin E, which the researchers believe
lowered the rats levels of peptide 8-OHdG. High levels of 8-OHdG is an
indicator of biological stress and oxidative genetic damage.
plays an important role in the initiation and progression of
cardiovascular diseases,” said the lead author Ardiansyah who is a Ph.D.
candidate attending the university’s School of Agricultural Science.
want to continue to understand how rice bran works by isolating the
specific components in the food product. They believe that using
enzymes for digestion of the rice bran will make it a more functional
food compared to making it an extract.
Books on Heart Disease
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