What are the effects and functions of yam powder

Yam powder has the following effects and functions: 1. It can tonify the spleen and stomach. For food deficiency caused by spleen and stomach weakness, edema, nausea, vomiting, loss of appetite, eat appropriate amount of yam powder, there is a good effect of tonifying the spleen and stomach. 2. It can strengthen kidney essence. For frequent urination, urgency, pain in urination, soreness of the waist and knees, tinnitus, dizziness, early white and other manifestations caused by kidney deficiency. After eating appropriate amount of yam powder, it can nourish kidney essence. Third, yam powder contains a lot of mucus protein and saponins, with the effect of moistening lungs and relieving cough.