esearchers
say they have confirmed, for the first time, that blue-green
algae taken as a nutritional supplement can significantly lower
cholesterol in animals. Furthermore, the algae works in two ways
to reduce cholesterol according to the scientists, who spoke
in March at a national meeting of the American Chemical Society,
the world's largest scientific society.
The
alga Aphanizomenon flos-aquae (AFA) is a novel dietary
supplement already available on the market. AFA contains significant
amounts of polyunsaturated fatty acids (PUFAs), according to
Christian Drapeau of Cell Tech in Klamath Falls, Oregon. He says
that the algae's PUFAs seem to be exceptionally well absorbed
by animals. Over the past decade, other research has suggested
that PUFAs reduce blood cholesterol and that PUFA deficiency
is linked with cardiovascular disease, chronic fatigue syndrome,
certain forms of cancer, attention deficit disorder, and more.
In addition
to providing PUFAs, Drapeau says the cholesterol-lowering effects
of AFA are "likely to be mediated by something else though
this alternative mechanism remains unidentified." He adds
that, in his experiments with rats, the beneficial effects seem
to be independent of the PUFAs present.
Drapeau
says this is one of the first studies that provides scientific
data supporting the numerous testimonials and empirical evidence
that have encouraged the use of AFA as a dietary supplement for
health benefits. He cautions, however, "we are currently
doing studies to determine if the effects of AFA on cholesterol
in rats will translate to humans."
Drapeau
collaborated with researchers at Massachusetts General Hospital,
which is affiliated with Harvard Medical School.
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