This invention provides lactic acid bacteria that have one or more effects selected from among fatigue-ameliorating effect, blood circulation-improving effect, stool odor-reducing effect, and growth-promoting effect and that can be used with high safety. This invention further provides a pharmaceutical preparation comprising, as an active ingredient, lactic acid bacteria that have one or more effects selected from among fatigue-ameliorating effect, blood circulation-improving effect, stool odor-reducing effect, and growth-promoting effect. According to the invention, novel lactic acid bacteria belonging to the Enterococcus faecium species having particular mycological properties and exhibiting viability of 40% or higher when freeze-dried in the absence of a dispersion medium and viability of 80% or higher in a probiotic preparation when stored at 40.degree. C. for 4 months, a composition comprising such lactic acid bacteria, an agent for ameliorating fatigue, improving blood circulation, reducing stool odor or promoting growth comprising, as an active ingredient, such composition, and use of such composition for food and other products.

KANEKA CORPORATION

Lactic acid bacterium

An antifatigue composition for reducing muscular fatigue or the like during or after exercise, which includes an imidazole compound obtained from extracts of fishes, shelifishes, fowl, flesh or the like, as an active ingredient. The imidazole compound in the antifatigue composition is preferably at least one compound selected from the group consisting of histidine, anserine, carnosine, valenine and salts thereof. The antifatigue composition preferably further contains D-ribose as an active ingredient. By orally ingesting the antifatigue composition, the amount of lactic acid in plasma during or after exercise can be kept low, and therefore muscle fatigue caused by exercise can be controlled, and as a result, the ability to exercise can be improved.

lactic acid/fatiga muscular

Lactic acid bacterium

Muscular fatigue-controlling composition and method for providing muscular fatigue-controlling effect

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