The invention discloses a preparation method of
polygonatum tea. The method includes the steps of: firstly washing
polygonatum and putting it into a pot, then adding a proper amount of yellow
wine; performing burning over strong fire until the cross section of
polygonatum shows a glass color, then getting the polygonatum out and performing solarizing to eighty per cent dry; then bumping off the
skin and performing cleaning; then putting the cleaned polygonatum into a steamer, and conducting heating until the steamer content is well cooked; also performing
steaming and solarizing three times repeatedly to make the polygonatum gradual change from faint yellow to dark tawny,
slicing the polygonatum, finally stir frying the dried slices thoroughly with 60-70DEG C
slow fire, taking the dried slices out, and performing spread cooling to
room temperature. The polygonatum tea prepared by the method provided by the invention is convenient for storage and eating, can be drinkable after
brewing, the tea soup is light yellow and transparent, fragrant, sweet and mellow, the tea can be drank for a long term without
side effect, has the
efficacy of nourishing
kidney and moistening
lung, tonifying
spleen and invigorating qi, tonifying
kidney and strengthening tendons, and has anti-hypoxic, antifatigue and anti-aging effects, can strengthen the immune function and
metabolism, and also has
blood sugar reducing and cardiotonic effects. After long-term drinking, the polygonatum tea can reach good health care
efficacy on sub-health
population. The polygonatum tea provided by the invention has high market promotion and application value.