Distinguish between the authenticity of black rice

How to distinguish the real from the fake.

Rub by hand: Rub the rice with your hands to see if there is dye on your hands, if there is black dye, it is fake rice.

Nose smell: Authentic black rice has a natural rice fragrance after being soaked in warm water, and dyed rice has a peculiar smell.

Look at the color: The skin of authentic black rice is shiny, and the color is dark and light, while the dyed black rice is not shiny and the color is consistent.

Look at the epidermis: The epidermis that authentic black rice scratches with fingernails is flaky. If it's in powder form, it's low-quality black rice.

Look at the rice heart: The rice heart of authentic black rice is white. The kernel of ordinary rice is transparent and has no color. If the dyed black rice is dyed with regular rice, the color of the dye will penetrate into the heart of the rice and turn black.

Look at the soaked rice water: The soaked rice water of authentic black rice is purple-red, and it is also purple-red or reddish after dilution. If the soaked water is still black after being diluted like ink, it must be fake rice.

Add white vinegar: Black rice water will turn green when it encounters alkali and turn red when it encounters acid. Authentic black rice water turns red immediately when it encounters acid.

Randomly take some grains of black rice and put them into the cup, pour white vinegar into the cup, stir thoroughly, after a while, the white vinegar turns red into real black rice, and turns black into fake black rice.

When buying bagged black rice, it is necessary to pay attention to whether the packaging bag is tightly packed, whether the information on the package is complete, and whether the origin, production date, shelf life, etc. have been indicated. In general, in order to prevent black rice from getting wet, vacuum packaging is used.

When buying black rice in bulk, be sure to look at it to see if the black rice is shiny. High-quality black rice is shiny, while low-quality or poor-quality black rice will have a dull color.

High-quality black rice grains are full, relatively uniform, and free of other impurities; Poor quality black rice varies in size, has other impurities, and sometimes is found to be moth-eaten.

Grab some black rice, carefully observe the black rice, peel off the skin to see if the black rice is milky white after peeling, if you find that it is not, then it is possible to artificially dyed black rice, you can also rub the black rice to see if it will fade.

You can also smell the smell of black rice when you choose black rice, high-quality normal black rice will have a fragrant smell, if you smell other flavors, it is inferior black rice.

High-quality black rice tastes a hint of sweetness and has no other smell; Inferior black rice, on the other hand, tastes tasteless, or has a slightly sour taste, or has a sour smell.