Green radish is very spicy. What's going on

Green radish is often spicy due to its high content of glucosinolates, which are broken down into pungent isothiocyanates when chewed. The spiciness of green radish is mainly related to factors such as variety differences, planting environment, and harvesting time.

1. Variety characteristics

Some varieties of green radish naturally contain high concentrations of glucosinolates, such as traditional varieties like Shandong Weixian radish and Tianjin Weiqing radish. This type of radish has developed a unique flavor through long-term natural breeding, and its spicy ingredients are both a natural weapon for defending against pests and an effective substance for promoting digestion. When choosing this type of variety, the spiciness can be predicted by observing the depth of the skin color. Generally, the darker the color, the more pronounced the spiciness.

2. Growth conditions

A dry and rainy growth environment can promote the accumulation of more spicy substances in radishes. When the sulfur content in the soil is too high, the synthesis of glucosinolates in radish will increase. Carrots grown in areas with large temperature differences between day and night often have a more prominent spiciness, which is related to the secondary metabolites produced by plant stress responses. Reasonably controlling the irrigation amount and fertilization ratio can adjust the spiciness.

3. Harvesting timing

The concentration of spicy substances in immature green radish is relatively high and gradually decreases with the extension of the growth cycle. Carrots harvested after autumn frost will produce more spicy ingredients due to low temperature stimulation. Carrots during the spring flowering period will reactivate the synthesis of spicy substances due to reproductive growth needs. Choosing the appropriate season for harvesting can better control the spiciness.

4. Storage Method

Low temperature storage can slow down the degradation of spicy substances in radishes, and radishes that have just been taken out of the refrigerated environment have a stronger spiciness. Damaged or cut radishes will release a large amount of spicy ingredients in a short period of time due to enzymatic reactions. After storing the whole radish in a cool and ventilated place for several days, some spicy substances will naturally evaporate.

5. Eating method

When mixing cold, salting can promote the precipitation of some spicy substances, and rinsing with water can reduce the spiciness. High temperature cooking can damage the structure of mustard oil glycosides, and the spiciness is significantly reduced after stewing or stir frying. Paired with protein rich foods such as tofu and meat, it can neutralize stimulating flavors. People who are sensitive to spicy flavors can choose to extract juice and then let it sit for oxidation treatment. The spicy taste of green radish reflects its nutritional value, and the isothiocyanates it contains have antioxidant and antibacterial effects. When consuming in daily life, try to confirm tolerance with a small amount first. People with gastrointestinal sensitivity should avoid eating on an empty stomach. Slice and air dry spicy radish to make dried radish, which can extend its shelf life and reduce spicy irritation. Pay attention to choosing fresh carrots with smooth and undamaged skin, as excessive lignin content in older carrots can affect their taste. Reasonably utilizing the spicy characteristics of green radish can not only enhance the flavor of dishes, but also obtain special health benefits.