In our country, rice is one of the staple foods of residents. With the continuous improvement of people's living standards, the quality of rice has gradually received attention. As one of the important characteristics of rice, aroma directly affects the eating quality of rice. Therefore, rice aroma is also one of the important criteria for rice quality evaluation. However, the components of rice aroma are very complex. How do ordinary people distinguish the quality of rice through rice aroma?

The source of natural rice aroma

The aroma substances in rice are very complex. There are more than 100 chemical substances that produce aroma, including aldehydes, ketones, alcohols, esters, fatty acids, alkanes, alkenes and Heterocyclics, etc., but most scholars believe that the main source of aroma in rice is "2-acetyl-1-pyrroline (2AP)", also known as "ancient morpholine". "2-Acetyl-1-pyrroline" is the key substance that causes the aroma characteristics of rice. During the growth process of rice, the production of "2-acetyl-1-pyrroline" is controlled by a pair of recessive genes (fgr), thus Fragrant.

Conditions that affect rice aroma

The conditions for rice to produce aroma are extremely demanding. In addition to rice aroma being controlled by genetic genes, it is also related to certain environmental conditions and storage and processing factors. When the same variety of rice is grown in different regions, affected by differences in soil properties, its aroma expression is also different, and may even be almost aromaless. In places where the soil is rich in organic matter, the aroma of rice will be even stronger. Rich.

So, can the richness of the rice aroma represent the rich soil of the production area and the rich nutrition of the rice?

No, the components of rice aroma are complex, and different components have different production conditions. If a certain type of nutrient element is absorbed more, or a certain trace element is contained in high amounts, it may also affect the rice. The expression of fragrance shows that the fragrance is weakened or has no fragrance. Even changes in temperature or water volume during the growth period will affect the production of rice aroma.

Therefore, the quality of rice cannot be truly distinguished by the aroma of rice alone.

The fragrant rice on the market is uneven

At present, there are fragrant rice and ordinary rice on the market. The unit price of ordinary rice is generally between 2.3 yuan and 4.5 yuan. etc. The price of fragrant rice is more than double that of ordinary rice, with the unit price ranging from about 5 yuan to 10 yuan.

Because it emits a special fragrance after being made into a meal and leaves a fragrant taste in your mouth, fragrant rice is still very popular in the market even if it is expensive. Fragrant rice is relatively profitable, and many unscrupulous traders see this business opportunity and apply fragrance to ordinary rice or even inferior rice to seek higher profits.

Fragrance is a synthetic chemical component. If the amount is small, the human body can detoxify and metabolize it, but if it is taken in too much, it may cause damage to the liver and kidneys. Rice is an indispensable staple food in the daily life of most people in our country. If you eat flavored rice for a long time, the harm can be imagined. Therefore, we need to accurately identify flavored rice.

How to identify flavored rice

Generally, the taste of rice is a light fragrance. The aroma components in natural rice are mostly alcohols and esters, which are easily volatile. Therefore, the rice aroma smelled when the rice is raw is fragrant but very light. More of the aroma is locked in the rice grains. Generally, the stronger rice aroma can only be smelled during the steaming process, after cooking, or when steam is added to the rice. The flavored rice is extremely fragrant and can be smelled from a very distance. When you touch it with your hands, it will leave a strong fragrance on your hands.

Cleaning method: Put the fragrant rice into a basin and wash it three times. If the rice still retains a faint fragrance after three washings, it proves to be authentic fragrant rice; conversely, if it is washed again and again, If the middle aroma gradually weakens and disappears, then the rice is rice with added flavor.

Rubbing method: Take a small amount of rice in your hand, breathe hot air into the rice, or rub it with your hands to heat it, and then smell the smell immediately. If there is only a faint aroma on your hands, but the rice after rubbing has a stronger aroma, it means that the rice is real fragrant rice; conversely, if there is a strong aroma on your hands after rubbing hard, but the rice becomes bland and tasteless. Fragrant, it's probably rice with added flavor.

Chewing method: When purchasing rice, you can also put a few grains of rice into your mouth and chew it carefully. Normal rice is slightly sweet and has no peculiar smell. During the chewing process of rice with added flavor, you will find that the fragrance becomes weaker and weaker, and there is a fragrance in your mouth that does not belong to rice.

In order to prevent long-term harm, we must be more cautious when purchasing rice. Don’t blindly pursue rice with strong fragrance. If necessary, you can rub it with your hands and rinse it with water. Let’s simply judge the purity of fragrant rice.

Raohe rice, pure and good rice

Raohe long-grain fragrant rice, the pure rice fragrance wafts from the black soil. From soil, water source, seedling cultivation, cultivation to production and processing, every link is strictly controlled and every detail is taken care of to prevent pollution, zero additives, pure natural, and it is a conscience rice that the common people can eat with confidence.