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How to identify whether black sesame is dyed?
The method of identifying true and false black sesame seeds is actually very simple. Just find a black sesame with a fracture and look at the color of the fracture. If the fracture is also black, it means it has been dyed. If the fracture is white, it means that this black sesame is real. According to experts, when people buy black sesame seeds, they can use wet handkerchiefs or paper towels to distinguish the authenticity. What does not fade on a wet tissue is the real thing, otherwise it may be a fake. Taste can also identify the true and false. Real black sesame seeds are not bitter to eat, but a little sweet, with sesame fragrance and no peculiar smell. The dyed black sesame has a strange smell of engine oil, or an abnormal smell other than sesame fragrance, and it is bitter. Identification of Dyed Black Sesame Some unscrupulous businessmen will dye white sesame seeds with chemical dyes to earn the intermediate price difference. According to insiders, sesame seeds are dyed to sell well. Long-term excessive intake of dyed black sesame seeds is definitely harmful to the health. Is a businessman without conscience. Many people buy black sesame seeds for health care, but they spend money and eat some dyes. Therefore, friends who buy sesame seeds must pay attention to the fact that things sold in big supermarkets are often dyed. Watch it before you buy it. 1, dyed black sesame seeds. Normal black sesame seeds will fade slightly after soaking in water, but the color will not be too dark. There is a process for the natural pigment in black sesame to dissolve in water, so raw black sesame will not fade quickly in cold water at room temperature, except for aged black sesame. 2. Identification method of dyed black sesame: put raw black sesame in cold water. If the color fades quickly, it is probably dyed. In addition, because only the seed coat of black sesame is black and the endosperm is white, you can cut black sesame with a knife to see if it is white inside. You can also put black sesame seeds in your palm. If the palm turns black soon, it means that the black sesame seeds are probably dyed.