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Identification method of vermicelli
Vermicelli fans produced with different raw materials have different colors. The color of mung bean vermicelli is white and shiny, translucent in direct sunlight. Although broad bean powder is also bright and shiny, it is not as fine and glutinous as mung bean powder and has toughness.
Vermicelli fans produced with different raw materials have different colors. The color of mung bean vermicelli is white and shiny, translucent in direct sunlight. Although broad bean powder is also bright and shiny, it is not as fine and glutinous as mung bean powder and has toughness.
Cereal vermicelli made of corn and sorghum are pale yellow. In potato vermicelli, potato vermicelli is white and transparent. Sweet potato vermicelli with good quality is white and transparent, slightly yellow, and due to the different types of sweet potato raw materials (yellow meat sweet potato, red meat sweet potato, purple potato), there are also brown and gray sweet potato vermicelli. Good sweet potato vermicelli have a burnt taste similar to roasted sweet potatoes after firing. Tapioca starch is generally not used for vermicelli processing. In some places, in order to reduce costs, cassava starch and corn starch are mixed to make it as sweet potato flour, which tastes better, but this vermicelli is not resistant to cooking. The color of ordinary fans and fans is slightly yellow, close to the primary color of starch.
In the identification method of vermicelli, of course, do not buy fans with particularly bright colors, especially bright white or black fans. When the sensory evaluation of the tissue state of the vermicelli is carried out, it is directly observed, and then bent and folded by hand to perceive its toughness and elasticity. Good vermicelli-uniform thickness (uniform thickness of wide vermicelli), no drawing, no cutting, flexible and elastic, no impurities of pure potato vermicelli bubble arrangement is irregular. Inferior vermicelli-uneven thickness, brushed, brushed, poor flexibility and elasticity, with a small amount of general impurities. Inferior vermicelli-spinning, mildew, impurities or malignant impurities. Vermicelli also need to check the vermicelli light, look at the internal structure of vermicelli. If there are heterochromatic spots, generally impure vermicelli, uneven organization. White layer generally add flour. Observation of high-quality sweet potato vermicelli under light shows that the bubbles are dense and delicate, the incisions of the vermicelli are neat and clean, and there is no residue. The vermicelli can be broken with force, making a crisp sound, and the section is smooth and clear.
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