Kudzu powder can be prepared on a small scale from wild kudzu with little equipment. Roots no smaller than 1 1/2” in diameter should be harvested during the winter months, December through March. Kudzu root should be washed, cut into approximate one-inch thick slices and pureed in a blender with enough cold water to blend the root well. The puree should be strained and the solid fibers squeezed to extract all the liquid to be used for further processing. The remaining fibers should then be saturated with water, stirred, and strained again, collecting the liquid into the container with the other extract. The brown kudzu liquid should be filtered through muslin or lower grade cotton fabric and left undisturbed in a cool or cold location for 24 hours. The fibers can be composted and the brown liquid should then be discarded as grey water. The clay like substance remaining in the container should be broken up and mixed well, until thoroughly dissolved with clean water once again, and allowed to rest for 24 hours in a cool environment. The liquid should again be discarded and the starch redissolved into a second batch of clean water, this time leaving the mixture for 48 hours in a cool place. The liquid should then be discarded and the layer of gray impurities removed from the starch. The starch is then ready to be used immediately or can be dried to preserve it indefinitely. To dry the kudzu starch, place kudzu chunks on a tray or on layers of paper and set it in a cool, well ventilated place for 10 to 40 days until thoroughly dry. Store dry chunks of kudzu in a sealed container. The dry chunks of kudzu, when pulverized, become kudzu powder.
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