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Fucoidan is a kind of dietary fiber and contained in other sea weeds such as Kelp (konbu), sea lettuce, hijiki, etc. Dietary fibers are indigestible in enterogastric tract so that it is excreted in feces. While it goes through enteric tract, however, lymphatic system consisted of lymphatic tracts and lymph nodes densely surrounding enteric tract may perceive it as foreign substance so that it may enhance immune system to break down cancerous cells made in body.
1. Power of fucoidan
In early 1988 a researcher announced that fucoidan contained in brown seaweeds had a power to perish cancerous cells. Also other researchers announced following other effects of fucoidan;
1) anti coagulating effect of blood
2) resisting the outbreak of cancerous cells
3) resisting viruses
4) suppressing allergy
5) adjusting enterogastric tract
6) lowering blood cholesterol
7) anti-oxidant effect
8) anti-inflammatory effect in the skin and so on
2. Main components of mozuku and chemical compositions of fucoidan
So then what will be fucoidan? Some foods are slippery or mucous in its nature. For instance, we can raise okra, fermented soybean called as natto, egg white, etc. Such mucous naturer is said to be due to mucoproteins. Also kelp and mozuku have slippery nature. This is due to a polysaccharide called arginte.
Main component of kelp is a series of dietary fibers such as fucoidan, uronate, alginate, and fuco-okigosaccharides. Sulfate residues bind to some sugars. Also there are some organic acids in mozuku.
Among these fucoidan is a polymer of heterosaccharide composed of many sugars such as L-fuose, d-galactose, D-glucose, D-mannose, D-wylose, and D-glucronic acid, to some of which many molecules of sulfate are binding. Fucoidan is also called fucoidin or fucan. It is contained in many brown algae such as kelp and mozuku.
3. Mechanism of power of fucoidan
1) Increasing effective enteric flora and decreasing ineffective ones
As a role of fucoidan, it is known that it has a power to increase Bifidobacteriumbifudus known as an effective flora. Its main food is lactose which is found in cow’s milk or human milk. In the baby’s colon the effective flora such as Bifidobacteriumbufudus occupy about 90% of all flora, but it decreases as ages go on to about 10% at age of 70s. On the other hand, Clostridium perfringens (Clostridium welchii) as an ineffective flora is known to cause food poisoning. It is found not only in soils, but also in the colon of animals and man. Ineffective flora may produce poisonous or cancerous substances so that such flora should be excluded from our colon. Ineffective flora may fasten againg because it may deteriorate immune system.
If there are favorable flora, it may reject ineffective flora so that it is natural that effective flora should be increased more.
2) Why Helicobacter pylori is so fearful?
It is said that about 70% of people are infected with Helicobacter pylori, when they become 40 years old or more. This bacterium lives mainly in very mucous gastric membrane. It is also known that it may cause stomach cancer. Gastritis so called so far is also known to be caused by this bacterium, and it is now clear that it is related with stomach ulcer, duodenum ulcer, stomach cancer, lymphatic tumor, etc.
In early 1989, professor Matsuda of Shimane university reported that kelp had a bacterididal power effectively against O-157, enterohaemorrbagic E. Coli.
3) The power starts with contact Bactericidal power and apoptosis effect.
Professor Taguchi of Mie university reported that fucoidan had not only bactericidal power but also perishing power of tumor cells. When he put Escherichia coli or tumor cells on a Petri-dish and added a fucoidan solution, he observed that power of fucoidan as described above. Such power to perish tumor cells is known as apoptosis, a phenomenon of self-extinction of tumor cells. For instance, when a tadpole grows and turns to be frog, its tail also spontaneously disappear. Such phenomena are also known as apoptosis. This means that power of fucoidan starts with its direct contact with bacteria or tumor cells.
In fact fucoidan may have such direct effect in our body. Our digestive tracts are covered of mucous membrane and protected by it. Mucous membrane facilitates food stuff to move smoothly. If membrane is damaged by some cause to become stomach or duodenum ulcer, fucoidan in its presence may cover the damaged part and protect it, and eventually reduce pains.
4) Transporter of cholesterol
Cholesterol is also made in liver and some of its pass through bile tract and enter into digestive tract. Some are absorbed into intestine and come back to liver. This is known as a phenomenon of enterohepatic circulation.
Dietary fiber has a power to reduce blood cholesterol level, since it transports cholesterol excreted from gall into digestive tract and excretes it in feces. Fucoidan is a dietary fiber as described before, so that it may transport cholesterol as other dietary fibers do.
5) Activating effective flora and extinguishing harmful flora
It is said that about 300 ato 400 kinds of flora live in our large intestine, colon. That means both effective and harmful flora coexist in it.
If fucoidan of kelp excretes toxides produced from harmful flora, it may cleanse out body. For instance, if you break wind with nasty smell, it may suggest that there are so many harmful floras in your colon.
This is a case happened to my friend. He had a feeling of stomach ulcer, and his breaking wind was so stinking. He was suffering from diarrhea so as to go toilet 4 to 5 times even in the morning. He was told to drink fucoidan solution. Soon after that, his excretions became once or twice in a day. And moreover he felt his stomarch became good and his excretes did not stink so much.
One more case happened to a man. His wife used to buy fucoidan solution every month for her husband. She said to me, “My husband broke stinking wind because he had a problem in his stomach. After surgical operation, he started to drink fucoidan solution. So soon his breaking wind did not stink so much.” This may suggest that fucoidan might exclude harmful flora with his excretes that used to cause stinking wind.
6) Possibility of occurrence of enzyme to break fucoidan in our body
Fucoidan is a foreign substance to our body. When it enters into intestine, it may be considered that our body cells may perceive it as a foreign substance, and our immune system would highly react to it so to produce immune cells or substances, that are the self-defensive army to protect our body. Therefore it would be suggested that fucoidan can enhance our immune system.
4. Other effects of fucoidan
Fucoidan has also other effects such as anti-tumor, prevention of coagulating blood, adjusting intestinal disorders, and so on. Here are raised such effects in detail to some extent.
1) Allelopathy effect
As a test kelp in a container of sea water strongly suppressed the growth of other algae. Such suppressive effect is called “allelopathy”. Here is a case happened to two men. They were suffering from lung cancer and drank fucoidan solution so that their body weight increased and they got healthier.
2) Preventing effect of ulcer
Stomach is covered with mucous membrane. Mucous substance is generally called mucoprotein, a kind of sugar-protein. “Muco” means mucous. Fucoidan is a muco-polysaccharide. So focoidan might protect stomach membrane with its mucous nature.
3) Preventing effect of blood coagulation
As a factor to prevent blood coagulation, it is known that there is a substance called heparin in our body, a product of mucopolysaccharide produced in liver. Chemically contains sulfate residues in itself as fucoidan does. So fucoidan also has a preventing effect of blood coagulation.
4) Anti-viral effect
It is reported that fucoidan has an effect against PRVD virus of tiger prawn and HIV virus that is known as AIDS virus.
5) Anti-allergy effect
It is said that seaweed has an anti-allergy effect. We will raise an example of atopic dermatitis, an allergic illness; A chief doctor of a clinic in Okinawa city said that when he sprayed concentrated fucoidan solution to some patients with atopic dermatitis or dry skin for a test for few days, the itch was gone. Since then at this clinic, he uses that concentrated solution and grains made of the powder for treatment.
A woman who bought kelp extract told as follows; “My son, a junior high school student, had acne on his face and it suppurated. He used medicinal ointment on it but it did not work effectively. I let him drink kelp extract fucoidan and also he applied it on his face. So it worked amazingly. Unbelievable”
6) Adjusting intestine disorders
As described before, fucoidan is a kind of dietary fiber. The fucoidan powder contains 34.4g dietary fiber per 100g. so that it has an adjusting effect of intestine disorders.
It is a case happened to my friend’s wife. When I visited a friend of mine, I found her face was not glossy. So I was afraid to ask her, and she replied that she was suffering from constipation for last few years.
Then I suggested her to drink the kelp extract as for a test, and I gave her two bottles of it and said to keep drinking for a week. Few days later, they visited me and she smiled and said, “It come out, it come out.”
7) Lowering effect of blood cholesterol
It is said that dietary fiber in kelp could catch cholesterol in colon and excrete it in feces. It might be said that as effect of dietary fiber fucoidan could lower blood cholesterol level.
8) Anti-oxidation effect
Our body needs oxygen to live. Air contains oxygen by about 20% and nitrogen by 79%. The rests of 1% are consisted of helium and argon, and small amount of carton dioxide, etc. Oxygen is essential substance for us to live. However, sometimes it is activated so harmful with its so reactive property. This oxygen is called radical oxygen. It must be lessen in our body. The substances to lessen it are called “anti-oxidants.” Vitamine C, vitamine E or carrotine, etc. are included in it. Fuciodan also has an anti-oxidation effect.
9) Preventing effect of dermatitis
We can not live without sun beam. Sun gives us not only energy but also it activates vitamin D taken into our body from the outside. In sun beam ultra violet rays and infrared ray are included. Some ultra violet ray activates vitamin D and infrared ray gives heat. But when exposed with both rays too much, it causes inflammation on the skin.
It is lucky, however, that as a result of experiment fucoidan solution was known to prevent this inflammation.
When fucoidan solution is anointed on the skin, it is sticky first, but after a few minutes it becomes very smooth, and you may feel good. This may mean that slippery nature of fucodian really protects our skin.
As such mentioned above, fucoidan has so many tremendous effects. But you have to be aware that most of the effects so far mentioned are the results of in vitro experiments. The clinical cases shown here come from the experiences of the suffering people. Therefore we have to wait so many clinical results.
As described above, we have been seeing so many cases that after drinking fucoidan solution, stomach ulcer was really cured, or stink of feces was gone away. This may show that fucoidan worked so surely and effectively in our body by some ways. We have to permit wonderful power of fucoidan.