Abstract: Disclosed is a fuel cell system. The fuel cell system of the present invention is characterized by a gas-liquid separator for removing foreign substances in air between a stack and an air supply unit. So the present invention can therefore prevent the foreign substances from being supplied to the stack and improve the function and extend the lifetime of the stack.

Abstract: The present disclosure relates to a composition for treating or preventing alopecia including decursin, wherein when administered externally or orally, the decursin promotes secretion of KGF in hair follicle tissues, prevents apoptosis of hair follicle cells, and exhibits the effect of promoting hair growth, thereby being useful for the treatment or prevention of alopecia.

Abstract: The present invention provides a pharmaceutical composition or a food composition containing combined extracts comprising Schisandrae fructus, Eucommiae cortex and Lycii fructus as active ingredients for preventing or treating metabolic bone diseases. The composition of the present invention does not have side effects as it is a substance derived from natural sources; is effective on osteogenesis in ovariectomized mice; increases the bone content and the bone formation index of serum in real animal model; and reduces the bone resorption index so as to be useful for preventing or treating metabolic bone diseases.

Abstract: The present invention provides a pharmaceutical composition or a food composition containing combined extracts comprising Schisandrae fructus, Eucommiae cortex and Lycii fructus as active ingredients for preventing or treating metabolic bone diseases. The composition of the present invention does not have side effects as it is a substance derived from natural sources; is effective on osteogenesis in ovariectomized mice; increases the bone content and the bone formation index of serum in real animal model; and reduces the bone resorption index so as to be useful for preventing or treating metabolic bone diseases.