Purpura Crystal Purple Sweet Potato

There are many types of nutritional elements in purple sweet potatoes with moderate content. Calcium, iron, zinc, selenium, magnesium, potassium, manganese and other elements are crucial to human health. Calcium participates in metabolism and is the main inorganic component of the human body. It is also responsible for neurotransmission, muscle An essential element for contraction, blood coagulation, hormone release and other life activities; iron participates in oxygen transportation and storage, forming hemoglobin, promoting development and increasing resistance; zinc is a nutrient for thymus development, assisting growth and development, intellectual development, and improving human immunity;