Does real black rice fade? How to distinguish the real from the fake?

Look at the color. For black rice, the color is uniform, there is no over-black or over-white color, and the whole grain of black rice is uniformly black. If you find that there is white rice in the black rice or the black grains are uneven, it may be fake.

Rub the color. For black rice, the color is natural, so it can't be rubbed off at all. You can put black rice in the palm of your hand and rub it vigorously to see if there is anything black in your palm, and if there is one, don't buy it.

Pinch the epidermis. As for the epidermis of black rice, it is actually after pinching, and you can see that the skin has a broken layer. And if you pinch it and it comes out in powder, it's inferior black jade.

Crushed black rice. Break the black rice, and then take a look at what color the black jade is inside. For good black rice, the heart is milky white, while ordinary rice is transparent. If it is black inside, it is inferior.

Blister with water. If you buy it, soak it in water to see if the water turns black. If it turns black, it is of inferior quality. In general, if the water is cloudy, red, or purple, it is of inferior quality.

with white vinegar. Drop a drop of white vinegar on the black rice to see if there is any change in the color of the black rice. For normal black rice, it will turn red. In the case of low-quality black rice, there is no change in color.

Slight fading of black is really dark fading is fake.

Aged rice and new rice are sold together in the market, how can I buy fresh rice.

A brief introduction to black rice.

Black rice is a kind of rice that is used both for medicine and food, and belongs to the glutinous rice category. Black rice is a characteristic variety formed by long-term cultivation of grasses. There are two types of grain types: indica and japonica, and the grain is divided into two types: waxy and non-waxy.

Brown rice is black or dark brown in color. Black rice is jet-black in appearance and rich in nutrition, and has the reputation of "black pearl" and "king of rice in the world". It is produced in many places in China, and the representative ones are Shaanxi black rice, Guizhou black glutinous rice, Hunan black rice, etc.

It has high edible value, and in addition to cooking porridge, it can also make a variety of nutritious foods and sake brewing.

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.

Fake black rice should be colored, and if you press it hard, it will have a special taste, and real rice has a rice-flavored taste.