2. It has the effects of strengthening yang and tonifying kidney, enhancing physical strength and energy, and improving brain memory.
3, regulating endocrine and immune system, anti-aging effect.
Rape flowers are rich in pollen. The oil content of seeds is 35~50%, which can be used for oil extraction or feed. In addition, the tender stems and leaves of rape flowers can also be eaten as vegetables.
The fruit juice made of rape flowers is said to have the effect of preventing hypertension, anemia and colds in medical treatment.
Old duck soup should be eaten in summer. Due to the hot and rainy climate in summer, summer dampness often makes people trapped in the spleen and stomach and lose appetite. Therefore, it is necessary to use diet to adjust and supplement, increase the intake of nutrients, and achieve the purpose of eliminating summer heat and fatigue. Nutrients should be light and nourishing food, that is, "clear". Old duck is a good tonic in summer. It is not only nutritious, but also very cold because it lives in water all the year round. It has the effects of nourishing the yang of the five internal organs, clearing away the heat of fatigue, nourishing blood and promoting blood circulation, nourishing the stomach and promoting fluid production.