Purple Rice And Black Rice Will Also Be Dyed? Why Is The Rice Water Discolored? Food And Drug Administration Answers

Purple rice, black rice and other whole grains are very nutritious, and they are very popular among the people now that healthy diet is in vogue. Dark color, doubt whether I bought artificially dyed products; the Food and Drug Administration came forward to answer this.

Schematic／

According to the Food and Drug Administration, purple rice, black rice or black sesame seeds are all foods rich in anthocyanins, and anthocyanins are water-soluble pigments that are easily dissolved during cleaning and appear purple-red in different shades. ,it `s just normal. At present, there are about 20 kinds of anthocyanins in nature. The color will change due to the pH value of the environment. It appears red in an acidic environment and blue in an alkaline environment.

Anthocyanins have good antioxidant capacity and are commonly found in purple or black natural foods, such as: purple eggplant, purple cabbage, purple sweet potato, black currants, blueberries and other purple fruits and vegetables, as well as red strawberries and apples Fruits and vegetables, black foods such as black beans, black diamond peanuts, black wolfberry or black fungus; in addition, the purple color of butterfly pea flower drinks is also derived from anthocyanins.

The Food and Drug Administration stated that anthocyanin is an approved natural food coloring, obtained from dark edible plants and fruits, and there are many natural food colorings whose main component is anthocyanin, such as blueberry pigment, roselle pigment Anthocyanins, strawberry pigments, mulberry pigments and blue fruit (capsule) pigments, etc., many manufacturers have also begun to replace artificial colorants with natural food colorings and add them to products such as candy and beverages.

The Food and Drug Administration pointed out that due to the wide variety of synthetic colorants and the fact that the raw materials used in food contain or additionally add natural pigments, the Food and Drug Administration has also actively developed coloring in food. The new testing method for tinctures has improved the testing method that can only identify 8 kinds of artificial colorants to simultaneously identify 50 kinds of natural and artificial colorants.

◎ Image source/Provided by Dazhi Image/shutterstock

Related Articles