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4.Americakenko Club is currently promoting Beta-glucan as a source of our health maintenance.


Beta-glucan supports good health.

β Glucanのこと

 その中に「キノコ類に含まれるβ Glucanは免疫力を高め癌の増殖を押さえ込む」とされている。


Maintaining youth and the functions of the body are possible only if one is healthy. Beta-glucan is attracting considerable attention in health conscious countries such as the United States and Japan.


Black yeast is cultured using the latest biotechnology.
The resulting thick liquid contains a large amount of evenly dispersed beta-1,3/1,6 glucan, which is currently attracting a lot of attention.


Aureo's black yeast beta-glucan


Black yeast beta-glucan is categorized as dietary fiber and a type of polysaccharide. Beta-glucan is present in the cell wall of yeasts and filamentous fungi, as well as in mushrooms (Agaricus sp., Ganoderma lucidum, etc.). The black yeast beta-glucan described here is obtained from black yeast (Latin name: Aureobasidium pullulans). If black yeast is cultured under special conditions it forms a gel. The gel is rich in quality beta-glucan. Aureobasidium (black yeast) cultured solution was officially given food additive status in Notification No. 120, Ministry of Health and Welfare of Japan 1 (current Ministry of Health, Labour and Welfare)1 on April 16, 1996. (The notification was published in the gazette issued by the Ministry of Finance of Japan.)


1. Food additives derived from natural ingredients are listed in Notification No. 120, Ministry of Health and Welfare of Japan. Such additives are officially categorized as 'existing food additives'.


The natural culturing method ensures that the product is gentle to the body.


Black yeast beta-glucan is produced using a culture method developed based on our unique biotechnology, and no chemical purification or extraction that uses artificial materials is carried out. The only process that we carry out is heat sterilization. As such, black yeast beta-glucan is a truly natural, unprocessed food supplement that is safe.



Structure of black yeast beta-glucan


Beta-glucan is a type of polysaccharide, which is made up of many glucose molecules linked together. Sugars are categorized in accordance with their structure. A monosaccharide is made up of a single sugar molecule that cannot be broken down into simpler sugars, a disaccharide is made of two monosaccharides, and a polysaccharide is a compound made of ten or more monosaccharides. Typical monosaccharides are glucose and fructose, a typical disaccharide is sucrose (which is commonly called 'sugar', and typical polysaccharides are glucan and dextrin. Glucans can be divided into alpha- and beta-glucans according to the way the glucose is linked. The structure of black yeast beta-glucan is special; it consists of a trunk (main chain) with many branches (side chains). The structure of the trunk is '1,3', and the structure of the branch is '1,6', so it is called beta-1,3/1,6 glucan.

Structure of beta-glucan



Development of Aureo beta-glucan


It was in the 1970s that a sugar refinery accidentally found a small amount of a gel (semi-liquid) in the production process. The company analyzed the gel substance and found that it was a polysaccharide produced by a type of black yeast.
Since then, many studies have been carried out on this black yeast and methods of culturing it, and finally, a gel substance containing a large amount of beta-glucan, Aureobasidium cultured solution (Black yeast beta-glucan) was successfully produced.
We wanted to make this wonderful Aureobasidium cultured solution widely available to people, so we developed this food supplement, Aureo beta-glucan.




Notification No. 120, Ministry of Health and Welfare of Japan


Aureobasidium (black yeast) cultured solution was officially given food additive status in Notification No. 120, Ministry of Health and Welfare of Japan (current Ministry of Health, Labour and Welfare)1 on April 16, 1996. (The notification was published in the gazette issued by the Ministry of Finance of Japan.)
Moreover, the examination of a review of the safety of existing food additives by the Ministry of Health, Labour and Welfare of Japan re-confirmed the safety of Aureobasidium cultured solution (results were published in June 2004).

1. Food additives derived from natural ingredients are listed in Notification No. 120, Ministry of Health and Welfare of Japan. These additives are officially categorized as ‘existing food additives’.

Note: Notification No. 120, Ministry of Health and Welfare of Japan verifies the safety of the product as a food, but it does not indicate that the product is a food for specified health use (i.e. it does not verify efficacy).



Information on Aureobasidium (black yeast) cultured solution by Japan Food Additives Association


Existing food additives list number 1

Name of food additive


Aureobasidium cultured solution (main component: beta-1,3/1,6 glucan)

Alternative name


Simplified name or category name



Origin, manufacturing method, and nature


Obtained from black yeast (Aureobasidium pullulans) cultured solution. The main component is beta-1,3/1,6 glucan.



Thickener, stabilizer

Product outline


The product is a viscous liquid and is obtained from sterilized Aureobasidium pullulans (black yeast) cultured solution. The main component is a polysaccharide called beta-1,3/1,6 glucan, and it consists of a main chain (beta-1,3), side chains (beta-1,6) and functional groups.
It is present in mushrooms and mushroom extracts, and has been attracting attention in recent years. The product is manufactured by culturing microorganisms, which is an effective way of producing this polysaccharide.



Yellow liquid

Properties and characteristics


Viscous, heat-resistant, acid-resistant and salt-tolerant.
Has a slight, unique taste (sour) and aroma.
Used as a thickener and is expected to be used as a taste masking agent or to have a favorable effect on health.



Readily soluble in water. Insoluble in ethanol and fat.



Refrigerate after opening.



Store in a cool, dark place, or refrigerate.

Main foods in which this product may be used


Drinks, sauces, bread, Japanese and western confectionery, bean paste, cold sweet food, processed meat and fish, noodles, vegetable marinades, jam, baked sweets, rice cake, soft candy, processed food (film-shaped), seasoning, etc.




*This table is an extract from Explanatory Notes for Products in Existing Food Additives List, published in 1999 by Japan Food Additives Association (former subsidiary organization of the Ministry of Health and Welfare of Japan [current Ministry of Health, Labour and Welfare of Japan]). This publication describes the nature, properties, usages and other information related to 489 food additives derived from natural ingredients, and for which use is permitted by the Ministry of Health and Welfare of Japan.

Aureo beta-glucan: Nutrient Dense Superfood


Black yeast, a polysaccharide, fiber, and gel-like substance, is a high-quality form of beta-glucan. This cultured, naturally derived food ingredient is free of artificial additives, pure, and contains large amounts of active beta-glucan. Because of its unique beta-1,3/1,6 molecular structure, Aureo beta-glucan, known all throughout Japan and the world, has become the foremost leader in beta-glucan production.

After centuries of advanced research, studies have shown that beta-glucan stimulates microphages, which are special immune cells that attack viruses and foreign intruders. An immune systems best friend, beta-glucan increases cellular communication, turns on white blood cells, and even attacks potential tumor growth­.

Containing loads of soluble fiber, Aureo beta-glucan is a healthy heart aide. According to a five week study conducted by the US Department of Agriculture’s Beltsville Human Nutrition Research Center in Maryland, participants experienced a significant reduction in total cholesterol and low density lipoprotein (LDL).

For individuals dealing with the high-stress expectations of today’s world, lowered immunity, and general fatigue, Aureo beta-glucan offers immeasurable benefits. Studies have shown beta-glucan combats traveler’s diarrhea, cancer, bacterial infections, and protects against upper respiratory infections.

Since Aureo beta-glucan comes in unique, easy-to-use stick packs – you never have to be without this amazing supplement. Whether its chronic disease or health prevention, everyone should include this food-based dietary supplement in their diet, which consistent studies show not only offers notable immune boosting properties but also protection against more serious diseases, including conditionsinvolving the heart.

Dr. Salerno Vitamins is proud to add Aureo beta-glucan to its growing supplement line and, if you need to purchase a box – please call 212.582.1700.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before using this product.



Aureo Beta-Glucan: Natural Immunity Booster

Even though there are several forms of beta-glucan on the market, only one is actively potent. As we approach the wintery months ahead, it’s important to make sure your shelf contains this crucial immune enhancing compound – beta 1,3/1,6 glucan. When it comes to beta-glucans, specifically the kind derived from black yeast, there is no better immune supporter than Aureo beta-glucan.

According to studies, beta-glucans act as immunomodulator agents, meaning they regulate immune activity. Macrophages, which are immune cells that originate from bone marrow, are given direct orders to attack foreign invaders, plus they release cytokines, a critical cell-signaling chemical. Macrophages can be found in all tissues, including organ, blood, and lymph. Together, these chain reactions provide a strong barrier against many complex human ailments.

When ingested, beta-glucans can actually help bolster white blood cell count, which has been shown to help bind tumors, viruses, and stop infections from spreading. In fact, lentinan, a substance found in beta-glucan and studied at Teikyo University’s Biotechnology Research Center in Kawasaki, Japan, is showing promising results as an aide against cancer growth.

Not only does beta-glucan help your cells, but it also has a proven track for keeping bad bacteria in check. Antibiotic resistant strains are easily neutralized, providing a safe, potent, and long-term alternative to popular medications.

If an individual suffers from over-immunity, daily intake of Aureo beta-glucan can actually regulate immune cell activation. When a bacteria, virus, or parasite enters the body, beta-glucan calmly waits to mount an attack. If left unprotected, individuals with compromised immunity can develop anemia, fungal infections, low white blood cell count, and environmental sensitivities, a process characterized by early aging.

What makes Aureo beta-glucan different than other products? In essence, beta glucans are simply purified forms of yeast, but the comparison stops there. Aureo beta-glucan actually removes any leftover yeast during the purification process, which means all that is left is the active ingredient. Particle size is important when it comes to overall absorption of beta-glucan, so micronization and disaggregation are necessary steps, which prevents clumping and stagnation.

Dr. Salerno approved and heavily recommended, Aureo beta-glucan is the perfect supplement for complete immune health support.




The basic philosophy of Aureo is to protect people's health and the natural environment that supports good health. In order to achieve this, at every opportunity we promote the co-existence of people and nature, and a return to nature.

Company policy and standards of conduct


Company policy

Aureo provides excellent products, accurate information, and good service. Aureo also contributes to the protection of the natural environment and the improvement and preservation of people’s health.

Standards of conduct

■ continue to have dreams, youth and enthusiasm.
■ love our work, and create a lively and cheerful workplace.
■ think about things from the customer's point of view, and act accordingly.
■ are always grateful and humble.
■ value loyalty and honesty very highly.
■ never waste time or resources.

Origin of company name


The Latin name for black yeast is Aureobasidium pullulans.
We named our company ‘Aureo Co., Ltd’ because we wanted as many people as possible to know about black yeast beta-glucan, which is obtained by culturing the Aureobasidium pullulans microorganism.


Company profile


■ Founded

June 1997


Naoyuki Moriya

■ Head Office

54-1 Kazusakoito, Kimitsu-shi, Chiba, Japan

■Tokyo business headquarters

2-7-7 Shirokanedai, Minato-ku, Tokyo, Japan


Tel: 81-3-5421-3364


Fax: 81-3-3437-0178

■ Number of employees  


■ Major clients

Cats.com Co., Ltd.,
Maruzen Pharmaceuticals Inc.,
Morikubo Inc., Nagata Pharmacy Inc.,
Asco Inc., Atol Co., Ltd.

■ U.S.A Distributor  

Americakenko Club
E-mail: info@americakenkoclub.com
Phone : 212-787-0909

Business activities


  1. Production of Black yeast beta-glucan using the most advanced biotechnology
  2. Production and marketing of functional foods containing black yeast beta-glucan as the main ingredient
  3. Research and promotion of naturopathy and healthy lifestyles
  4. Export and import of black yeast beta-glucan
  5. Development, production and marketing of dietary supplements containing vitamins, lactic acid bacteria and/or dietary fiber
  6. Development, production and marketing of quasi drugs, cosmetics, medical devices and health devices


■ Handling of Your Personal Information

[Privacy Policy]

Aureo Co., Ltd. (hereinafter, the "Company") respects the privacy of our Customers and pledges to protect the personal information provided by the Customers in a safe and appropriate manner in accordance with the terms of the Company's Privacy Policy. The Privacy Policy is always available on the web site of the Company.

[Use of Customers' Personal Information]

The Company uses the personal information provided by our Customers for the purpose of and to the extent necessary for delivering purchased Goods or sending information materials or questionnaires through communication means such as direct mailing, telephone calls, faxes and e-mails. If we intend to collect or use personal information for other purposes, we will notify the customers and seek their consent prior to any such use.

[Disclosure of Personal Information to Third Parties]

The Company will not disclose any personal information of a customer to any third party without the consent of the Customer unless it is required by law to do so.

[Share of Personal Information with Third Parties]

The Company may occasionally engage third parties to perform certain services on behalf of the Company. If we need to share personal information about customers with such third parties or entrust them with the handling of personal information, we will conduct a thorough prior investigation into the trustworthiness and reliability of such third parties and will ensure through adequate supervision that the confidentiality of personal information is fully protected and maintained.

[Disclosure or Deletion of Customers' Personal Information]

If customers wish to have their personal information disclosed, or changed or deleted, they are requested to identify themselves by name, address and telephone number when they instruct us to do so.

[Contact for Inquiries about Personal Information]

If you have any question or opinion about the Company's handling of personal information, please use the following contact.

■ Contact for Inquiries about Personal Information


Aureo Co., Ltd. recognizes the social importance of privacy and is committed to protect personal information in accordance with the policies described in this Privacy Policy.

1. Collection of Personal Information

We collect personal information only by lawful and fair means.

2. Use of Personal Information

Personal information we collect will be used for the purpose for which the personal information is collected and only to the extent necessary to perform our duties under such purpose.

3. Provision of Personal Information to Third Parties

Except as required by law, we will not provide any personal information to any third party without the prior consent of the person to whom the personal information pertains.

4. Security of Personal Information

We will maintain the accuracy of the personal information we collect while safeguarding the security of the information in an appropriate manner.
We will maintain appropriate safeguards to protect the personal information we collect from loss, destruction, falsification or leakage, by ensuring to prevent unauthorized access to the personal information, infiltration of viruses into computer systems, or removal of the personal information from its proper location.

5. Disclosure, Correction, Suspension of Use, or Deletion of Personal Information

We respect the right of each individual to have his or her personal information disclosed, corrected, deleted, or withheld from use, and we will respond to any such request as quickly as we can reasonably do so.

6. System to Protect Personal Information

In order to ensure compliance with this Privacy Policy, we have drawn up a Compliance Program for the Protection of Personal Information. We will take all necessary steps to ensure that all employees of the Company and all other persons concerned are aware of the requirements of the Compliance Program and, in the meantime, we continue our efforts for further improvement.

Aureo Co., Ltd.

Naoyuki Moriya, President


Certificate of Registration


Our factory has been registered pursuant to U.S. Bio-Terrorism Act.
Click this photo to enlarge.


For more information regarding Beta Glucan, please go to:


Japanese National Broadcasting on aureo product, NHK