But if the price is too low, you still need to keep an eye out when buying.

Why are some sweet potato vermicelli especially cheap? It is very simple to use is not all sweet potato flour, there is corn starch or tapioca instead of, and mixed with a few cents a catty of poor quality starch, there are some black-hearted vendors in order to reduce the cost of the color looks good as well as to eat up the strength of the sweet potato flour, but also to the gelatin mixed.

The real cost of sweet potato vermicelli: sweet potato in accordance with the 70 cents a catty, sweet potato flour rate of about 20%, that is to say, about 5 pounds of sweet potato out of a catty of powder, that is, 3.5 yuan, per catty of sweet potato flour out of a catty of vermicelli, in fact, is more than 9 two, out of the process of the vermicelli loss of a part of the cost of counting is 4 yuan, which has not been counted on the labor cost. Fresh out of the earth sweet potato want to become vermicelli need to go through the crushing and washing, precipitation and drying, and then in the slurry, leakage powder, and finally to become a commercial vermicelli, although the process is very simple, but it is more waste of manpower, although now crushing powder and slurry leakage powder has been mechanized, but the washing of sweet potatoes and drying of wet vermicelli still need a lot of labor, so that the calculation of each catty of sweet potato vermicelli ex-factory price of 5 yuan, plus the cost of long-distance transportation, so the market is not counting the labor cost. Long-distance transportation costs, so the market cost of real sweet potato vermicelli are generally more than 8 yuan.