Extended data
Identification of adulterated rice
1, long-grain fragrant rice
In rice, there are many so-called "long-grain fragrant rice", but they are not really long-grain fragrant.
Identification method: firstly, from the grain type, the length of rice grain is above 5.5mm and the aspect ratio is above 2: 1, which can be called long grain; Moreover, long-grain fragrant rice should be fragrant rice, which has the natural fragrance of rice, and many odorless rice are also sold as long-grain fragrant rice.
2. Fake scented rice
Some illegal processors will add essence when polishing rice, so that the originally tasteless rice smells like fragrant rice, so as to make huge profits.
Identification method: add polished rice and soak in boiling water 1~2 minutes. The soaked rice has no fragrance, but the real fragrant rice still has fragrance after soaking.
3. Add mineral oil rice
Part of old rice or inferior rice is milled again to remove the deteriorated part of the rice surface. After polishing, rice becomes much brighter, and then it is mixed with normal rice and sold. Some normal rice is even polished with mineral oil, which makes the rice brighter and deceives consumers.
Identification method: inferior polished rice and rice with mineral oil have bright colors, dark beige and greasy taste.
4. Distinguish the dyed rice:
Colored rice (such as black rice and purple rice). ) rich in nutrition, but black-hearted rice will add pigment to dye rice to deceive consumers.
Identification method: the colored rice heart is white, but the dyed rice heart will also have color infiltration; Normal colored rice will fade slightly when washed, but it may be dyed rice if the color fades seriously.
References:
Baidu encyclopedia-rice