Abstract: To maintain physical fitness and health of middle-aged and older persons living in the threshold of the aging society, the present invention provides a fatigue reducing agent which is highly effective for preventing and reducing fatigue, wherein the agent is made of a composition of substances that are very safe so that long-term administration is possible. A composition containing reduced coenzyme Q was found to be effective for preventing and reducing fatigue, including muscle fatigue. Since the fatigue reducing effect of the composition of the present invention is seen not only in young rats but also more pronounced in aged rats, the present invention can provide the fatigue reducing agent which is very useful, especially, for middle-aged and older persons as well as for young people.

Abstract: The present invention relates to a method for stabilizing reduced coenzyme Q10, which is useful as an ingredient in good foods, functional nutritive foods, specific health foods, nutritional supplements, nutrients, animal drugs, drinks, feeds, cosmetics, medicines, remedies, preventive drugs, etc., and to a composition therefor. The composition comprises reduced coenzyme Q10, a fat and oil (excluding olive oil) and/or a polyol, and doesn't substantially inhibit the stabilization of reduced coenzyme Q10. Additionally, the composition is a reduced coenzyme Q10-containing composition which comprises reduced coenzyme Q10, a polyglycerol fatty acid ester, and a fat and oil and/or a polyol.

Abstract: An object of the present invention is to provide a method for improving a farrowing rate of sows or improving growth and productivity of postnatal piglets, and a feed used in the method. The present invention relates to a method for improving a farrowing rate of a sow or improving growth and productivity of postnatal piglets, the method comprising administering coenzyme Q to a swine.

Abstract: The present invention provides a composition for dermal application which comprises, as an active ingredient, an oxidized coenzyme Q represented by the formula (1): in which n represents an integer of 1 to 12, and/or a reduced coenzyme Q represented by the formula (2): in which n represents an integer of 1 to 12, the total content of the oxidized coenzyme Q and reduced coenzyme Q being 0.01 to 99% by weight relative to the whole amount of the composition. The present invention also provides a therapeutic composition for skin diseases, a cosmetic composition, a skin health care composition and a bath salt composition, each comprising the above composition for dermal application.

Abstract: The present invention provides a method for stabilizing reduced coenzyme Q10, which is useful as a food, nutritional product, nutritional supplement, animal drug, drink, feed, cosmetic, pharmaceutical product, therapeutic drug, prophylactic drug and the like. The present invention also provides a method of producing a reduced coenzyme Q10-containing composition which includes the co-presence of reduced coenzyme Q10 and reduced coenzyme Q9 and/or reduced coenzyme Q11.

Abstract: The present invention relates to the supply of coenzyme Q which is highly useful in maintaining human health, and provides a method and preparations whereby coenzyme Q can be efficiently supplied to patients having difficulties in oral administration, aged having swallowing difficulties and patients with diseases caused by topical disorders. It is found that the coenzyme Q concentration in the blood or topical mucosae can be elevated by using a composition for transmucosal administration containing oxidized coenzyme Q and/or reduced coenzyme Q as the active ingredient, wherein the total content of the oxidized coenzyme Q and the reduced coenzyme Q amounts to 0.0001 to 99% by weight of the whole composition.

Abstract: The present invention aims to provide a composition which has an extremely broad range of applications, has an excellent safety, and can be used for preventing, ameliorating, or therapeutically-treating diabetes. The present invention provides an agent for preventing, ameliorating, or therapeutically-treating diabetes or a diabetic complication, a glycemic control agent, and an insulin secretion-promoting agent, each of which contains reduced coenzyme A as an active ingredient. The present invention also provides a method for preventing, ameliorating, or therapeutically-treating diabetes or a diabetic complication, which includes administration of the aforementioned agent.

Abstract: An object of the present invention is to provide a highly safe oral composition superior in a cardiac dysfunction-ameliorating or cardiac function-maintaining action. The present inventors have conducted intensive studies in an attempt to solve the aforementioned problems and found that use of, particularly, reduced coenzyme Q10 from among highly safe coenzyme Q affords a composition useful for amelioration of cardiac dysfunction and maintenance of cardiac function. Accordingly, the present invention provides a cardiac dysfunction-ameliorating agent or cardiac function-maintaining agent containing reduced coenzyme Q as an active ingredient, and a pharmaceutical product, a food, an animal drug, a feed and the like, which contain the agent.

Abstract: The present invention aims to activate neural cells in brain, and further provide a useful composition having an action to protect intracerebral neural cells from external and internal stresses. An agent for improving a neural cell function containing reduced coenzyme Q as an active ingredient, more specifically, an agent for activating neural cells and an agent for protecting neural cells, is useful, and can be used for the improvement or prophylaxis of central neurological diseases or neuropathy symptoms derived from or associated with a neurodegenerative disease, promotion of cognitive function or improvement of learning and memory disorders.

Abstract: A method of preventing or treating fatigue in a subject mammal comprises administering an effective amount of a composition comprising (a) reduced coenzyme Q represented by the following formula (1): wherein n is an integer of 1 to 12, and (b) lipoic acid or a derivative thereof, to the mammal.

Abstract: The present invention relates to a composition for life extension, comprising reduced coenzyme Q10 as an active ingredient, as well as relates to a method of extending a life span using the composition comprising reduced coenzyme Q10 as an active ingredient. In the present invention, it has been found that long-term ingestion of feed that contains reduced coenzyme Q10 enables the life span of senescence-accelerated model mice to be extended. No sign indicating toxicity is observed in the senescence-accelerated model mice that have been fed with reduced coenzyme Q10 over a long period. Based on these findings, it was found that the composition containing reduce coenzyme Q10 as an active ingredient has potential to be a composition for life extension with high safety, capable of being taken for a long period.

Abstract: The present invention provides a composition of a practically usable solution capable of stably maintaining, against oxidation, reduced coenzyme Q, which has not been employed in practice so far because of being liable to undergo oxidation and hydrophobic, a method of preparing the solution and a method of storing the solution. A solution of reduced coenzyme Q which can be stored at a low temperature or room temperature over a long time can be prepared by coating reduced coenzyme Q with liposome made of refined soybean lecithin, etc, and solubilizing, or solubilizing or emulsifying reduced coenzyme Q by using a surfactant at a low temperature.

Abstract: The present invention provides a composition capable of maintaining antioxidative activity in blood high by keeping the reduced coenzyme Q10 ratio in blood high after taking coenzyme Q10 even in aged mammals. The present invention relates to a composition which comprises reduced coenzyme Q10 as an active component and enhances the antioxidative activity in blood of aged mammals.

Abstract: The present invention provides a method of improving the absorbability of reduced coenzyme Q10, which includes affording a composition containing lysolecithin and reduced coenzyme Q10 in combination. The composition containing lysolecithin and reduced coenzyme Q10 of the present invention shows superior absorption of reduced coenzyme Q10 and can be utilized for food, food with nutrient function, food for specified health uses, nutritional supplement, nutritional product, animal drug, beverage, feed, pet food, cosmetics, pharmaceutical product, therapeutic drug, preventive drug and the like.

Abstract: The present invention provides a method of increasing the absorbability of oxidized coenzyme Q10 by preparing the oxidized coenzyme Q10 as a composition in the presence of a lysolecithin and an oil and fat. The composition of the present invention comprising oxidized coenzyme Q10, a lysolecithin and an oil and fat, wherein the weight ratio of the lysolecithin to the oxidized coenzyme Q10 is not less than 0.7, shows superior absorption of oxidized coenzyme Q10 and can be utilized for food, food with nutrient function, food for specified health uses, nutritional supplement, nutritional product, animal drug, beverage, feed, pet food, cosmetics, pharmaceutical product, therapeutic drug, preventive drug and the like.

Abstract: Provided is a method for suppressing carcinogenesis, treating cancer, or mitigating adverse reactions of anticancer agents, with low prevalence of adverse reactions by administering an effective amount of a reduced coenzyme Q as an active ingredient. In the method, the reduced coenzyme Q can be administered in the form of pharmaceuticals, cosmeceutical, cosmetics, foods such as functional foods (supplements, health aid foods, nutritional supplementary foods, nutrient-fortified foods, nutrient-adjusted foods, health beverages, foods for specified health uses, foods with nutrient function claims), animal drugs, animal feeds, or animal foods.

Abstract: An object of the present invention is to provide a peroxisome proliferator-activated receptor ? (PPAR?) ligand derived from a natural product and to provide a composition for prevention or improvement of insulin resistant syndrome, diabetes mellitus, obesity, or visceral fat obesity, characterized by comprising the ligand as an active ingredient. The present invention provides a PPAR? ligand comprising as an active ingredient, at least one compound selected from the group consisting of coumaperine and derivatives thereof. The present invention also provides a composition for prevention or improvement of insulin resistant syndrome, diabetes mellitus, obesity, or visceral fat obesity comprising the compound as an active ingredient.

Abstract: The present invention provides a reduced coenzyme Q-containing solution capable of being retained more stably against oxidation, by using a reduced coenzyme Q which is hydrophobic and susceptible to oxidation and thus unstable. The aqueous solution containing a reduced coenzyme Q obtained in the present invention is a solution containing a reduced coenzyme Q and an antioxidant such as vitamin C and/or a chelating agent such as ethylenediaminetetraacetic acid.

Abstract: Fatigue is significantly involved in the lifestyle of people today. Although many anti-fatigue products are on market, those with definite and reliable effects are still few. Under such circumstances, the inventors of the present invention have conducted studies aiming at providing a composition which exhibits a distinctive anti-fatigue effect, and consequently accomplished the present invention. The present invention provides an anti-fatigue composition containing reduced coenzyme Q and a carnitine derivative. By administering the anti-fatigue composition of the present invention to a mammal, anti-fatigue effects can be synergistically seen even at doses which are not effective when the components are individually used. According to the present invention, an anti-fatigue composition having a reliable effect can be provided.

Abstract: The present invention provides a mitochondrial activator containing pyrroloquinoline quinone, preferably pyrroloquinoline quinone and coenzyme Q (particularly reduced coenzyme Q) as active ingredients. In addition, the present invention provides a mitochondrial activator containing citric acid, preferably citric acid and coenzyme Q (particularly reduced coenzyme Q), as active ingredients. Since pyrroloquinoline quinone or citric acid exhibits a synergistic mitochondria activating effect with coenzyme Q (particularly reduced coenzyme Q), a high effect can be obtained even at a low dose. According to the present invention, therefore, a safer and practical mitochondrial activator is provided. The present invention further provides an agent for the prophylaxis or treatment of a disease caused by mitochondrial dysfunction.