There are two types of food coloring: natural and artificial. These colorings will not affect human health if consumed artificially, but consuming too much will cause pigment precipitation, so it is recommended that you pay attention to the cleaning method of food coloring. Edible pigments can be cleaned with water or soap, or with alcohol water and acetic acid. For specific cleaning methods, please learn about the following content. Pigment can also be called color level. It is an index standard that represents the brightness of the display screen, which is what we call the color index. The color richness and detail of a display is determined by the color gradation. The industry standards are 256 colors, 4096 colors, and 65536 colors. Food coloring is a type of pigment, that is, a food additive that can be consumed in moderation by humans and can change the original color of food to a certain extent. People often use a food additive - food coloring - when making food. There are two types of food colorings: natural food colorings and synthetic food colorings. Before the British invented the first synthetic food pigment, aniline purple, in 1850, people used natural pigments for coloring. As early as before the 10th century AD, ancient people began to use natural plant pigments to color food. The first people to use pigments were the Alixans in Great Britain, who used madder plant pigment to make rose purple candies. Later, the Toltec and Amantecan peoples of America extracted cochineal red from female cochineal and used it for food coloring. How to wash food coloring? 1. The newly dyed red food coloring can be washed with water first, then soaked in warm soapy water. After the color stains are removed, rinse it with clean water. For red ink stains that have been contaminated for a long time, first use After washing, wipe with 10% alcohol solution to remove 2. Removal of blue food coloring Freshly stained blue food coloring can be removed by scrubbing with soap, laundry detergent or other detergent. Blue food coloring that has been contaminated for a long time can be soaked in oxalic acid solution, scrubbed, and then cleaned with detergent Remove. 3. Removal of yellow food coloring If light-colored clothes, especially white clothes, are sprinkled with yellow food coloring, it is rather troublesome to remove the yellow food coloring. First, drop acetic acid on the contaminated area. If it is not effective, wash it in alcohol. Are food colorings safe? In fact, as long as food colorings are used properly, they are generally safe, because food colorings are an additive approved for use in our country, and they can be used in food as long as the amount is within the prescribed range. |
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