Abstract

Liang Zhen Hong

To investigate the immune enhancement extract of radix linderae essential oil in aged people. One hundred and fifteen aged people over 70 years old were divided into two groups: vehicle-treated group (n=58) and radix linderae essential oil treatment group (n=57). Old peoples’ hips and elbows in radix linderae essential oil treatment group were sprayed with radix linderae essential oil (dissolved in olive oil) for 6 months. Old peoples’ hips and elbows in vehicle-treated group were sprayed with olive oil for 6 months. After 6 months treatment, people in essential oil-treated group have higher immunity function and lower incidence rate of decubitus than those in vehicle-treatment group. Radix linderae essential oil is useful to prevent occurrence of decubitus in aged people.