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This is a part paper delivered by Dr Shirahata to the Functional
Water Symposium in Tokyo . It does not represent the opinions
of management of AllOrganic nor do we publish it to hold
out that it is a curative or therapeutic recommendation.
Please always consult your doctor for specialized medical
advice.
REDUCED WATER FOR PREVENTION OF DISEASES
Dr. Sanetaka Shirahata
Graduate school of Genetic Resources
Technology , Kyushu University ,
6-10-1 Hakozaki, Higashi-ku,
Fukuoka 812-8581, Japan.
It has long been established that reactive oxygen species
(ROS) cause many types of damage to biomolecules and cellular
structures, that, in turn result in the development of a
variety of pathologic states such as diabetes, cancer and
aging. Reduced water is defined as anti-oxidative water produced
by reduction of water.
Electrolyzed reduced water (ERW) has been demonstrated to
be hydrogen-rich water and can scavenge ROS in vitro (Shirahata
et al., 1997). The reduction of proton in water to active
hydrogen (atomic hydrogen, hydrogen radical) that can scavenge
ROS is very easily caused by a weak current, compared to
oxidation of hydroxyl ion to oxygen molecule. Activation
of water by magnetic field, collision, minerals etc. will
also produce reduced water containing active hydrogen and/or
hydrogen molecule.
Several natural waters such as Hita Tenryosui water drawn
from deep underground in Hita city in Japan , Nordenau water
in Germany and Tlacote water in Mexico are known to alleviate
various diseases. We have developed a sensitive method by
which we can detect active hydrogen existing in reduced water,
and have demonstrated that not only ERW but also natural
reduced waters described above contain active hydrogen and
scavenge ROS in cultured cells. ROS is known to cause reduction
of glucose uptake by inhibiting the insulin-signaling pathway
in cultured cells. Reduced water scavenged intracellular
ROS and stimulated glucose uptake in the presence or absence
of insulin in both rat L6 skeletal muscle cells and mouse
3T3/L1 adipocytes. This insulin-like activity of reduced
water was inhibited by wortmannin that is specific inhibitor
of PI-3 kinase, a key molecule in insulin signaling pathways.
Reduced water protected insulin-responsive cells from sugar
toxicity and improved the damaged sugar tolerance of type
2 diabetes model mice, suggesting that reduced water may
improve insulin-independent diabetes mellitus.
Cancer cells are generally exposed to high oxidative stress.
Reduced water cause impaired tumor phenotypes of human cancer
cells, such as reduced growth rate, morphological changes,
reduced colony formation ability in soft agar, passage number-dependent
telomere shortening, reduced binding abilities of telomere
binding proteins and suppressed metastasis.
Reduced water suppressed the growth of cancer cells transplanted
into mice, demonstrating their anticancer effects in vivo.
Reduced water will be applicable to not only medicine but
also food industries, agriculture, and manufacturing industries.
Shirahata, S. et al.: Electrolyzed reduced water scavengers
active oxygen species and protects DNA from oxidative damage.
Biochem. Biophys. Res. Commun., 234, 269-274, 1997.
Biochem Biophys Res Commun.
1997 May 8
234(1):269-74.
Shirahata S, Kabayama S, Nakano M, Miura T, Kusumoto K,
Gotoh M, Hayashi H, Otsubo K, Morisawa S, Katakura Y.
Institute of Cellular Regulation Technology, Graduate School
of Genetic Resources Technology, Kyushu University , Fukuoka
, Japan . sirahata@grt.kyushu-u.ac.jp
Active oxygen species or free radicals are considered to
cause extensive oxidative damage to biological macromolecules,
which brings about a variety of diseases as well as aging.
The ideal scavenger for active oxygen should be 'active hydrogen'.
'Active hydrogen' can be produced in reduced water near the
cathode during electrolysis of water.
Reduced water exhibits high pH, low dissolved oxygen (DO),
extremely high dissolved molecular hydrogen (DH), and extremely
negative redox potential (RP) values. Strongly electrolyzed-reduced
water, as well as ascorbic acid, (+)-catechin and tannic
acid, completely scavenged O.-2 produced by the hypoxanthine-xanthine
oxidase (HX-XOD) system in sodium phosphate buffer (pH 7.0).
The superoxide dismutase (SOD)-like activity of reduced water
is stable at 4 degrees C for over a month and was not lost
even after neutralization, repeated freezing and melting,
deflation with sonication, vigorous mixing, boiling, repeated
filtration, or closed autoclaving, but was lost by opened
autoclaving or by closed autoclaving in the presence of tungsten
trioxide which efficiently adsorbs active atomic hydrogen.
Water bubbled with hydrogen gas exhibited low DO, extremely
high DH and extremely low RP values, as does reduced water,
but it has no SOD-like activity. These results suggest that
the SOD-like activity of reduced water is not due to the
dissolved molecular hydrogen but due to the dissolved atomic
hydrogen (active hydrogen).
Although SOD accumulated H2O2 when added to the HX-XOD system,
reduced water decreased the amount of H2O2 produced by XOD.
Reduced water, as well as catalase and ascorbic acid, could
directly scavenge H2O2. Reduced water suppresses single-strand
breakage of DNA b active oxygen species produced by the Cu(II)-catalyzed
oxidation of ascorbic acid in a dose-dependent manner, suggesting
that reduced water can scavenge not only O2.- and H2O2, but
also 1O2 and .OH. |