Homemade Pure Sweet Potato Starch is as follows:

Materials: 5000 grams of sweet potatoes

Steps:

1, ten pounds of sweet potatoes, preferably with white cores, with a higher starch content.

2, sweet potato peeling, remove the head and tail (there are bug eyes must be bad or bug eyes of the place to remove clean), cut into small pieces, in five times to put the wall-breaking machine stirred into sweet potato puree.

3, the sweet potato puree poured into the sand cloth bag, with a large pot to catch, the faucet open the smallest water flow into the sand cloth bag, scrub with your hands, get starch water. When the water is full, squeeze the water out of the sweet potato puree, and pour the water from the large pot into a large bucket. Then repeat the above scrubbing steps about three times.

4, starch water static for 3 hours, change the water, pour off the surface of the water, you can see the bottom of the precipitation of wet starch, add clean water, the precipitation of wet starch and water mixing, continue to stand for 3 hours, change the water, until the surface of the precipitation of the water is clean and clear. Generally change the water 2-3 times.

5, the last time the top layer of water poured off, leaving the bottom of the wet starch, with a rice spoon to pry up all, put in gauze to drain.

6, after draining a little bit, it forms a ball of starch block, break it into small pieces, dry in the sun or use a food dryer 40 ° low temperature drying. Specific time depends on the state of the powder block, gently pinch, powder block is scattered for all dry.

7, ten pounds of sweet potato can produce 750 grams of starch, the rate of flour is 15%. Sweet potato flour has many uses, you can do oyster brand, sweet potato cake.