| 摘要 |
<p>A formulation comprising at least one volatile fraction (VF) of a plant extract, the volatile fraction being prepared by steam distillation of the plant extract under reduced pressure and at a bath temperature not exceeding 38 °C. The extract may be obtained from the leaves, stems, roots or fruit of the plant. The plant may be a vegetable or herb, such as parsley, mint or dill. The vegetable may be soy bean, alfalfa, garlic, beet and cabbage. The formulation may further comprise propolis or other beehive product.</p> |
