Can green tomatoes be eaten once they turn red, and are they toxic?
Nov 15, 2024
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Ripe red tomatoes that were originally green are generally safe to eat and not toxic; however, moderate consumption is recommended. If the tomatoes show signs of spoilage or have an unusual odor, they may be toxic and should not be consumed. Green tomatoes that turn red upon ripening are usually edible. When tomatoes are still green, they contain a higher amount of chlorophyll. As they mature, the chlorophyll gradually breaks down, causing the color to change from green to red.
Green tomatoes that have ripened and turned red are generally safe to eat and not toxic. It is recommended to consume them in moderation. However, if the tomatoes show signs of spoilage or off-flavors, they may be toxic and should not be eaten. The details are as follows:
1. Are they edible?
Green tomatoes that have ripened and turned red are generally edible. When tomatoes are still green, they contain a high amount of chlorophyll. As they mature, chlorophyll gradually decreases, causing the color to change from green to red. During this process, the texture becomes softer and the taste turns pleasantly sweet and sour. As the tomato ripens and turns red, its nutritional composition also changes. Eating ripe red tomatoes is not only safe but also provides greater nutritional benefits.
However, if the tomatoes have spoiled or developed an unusual odor, they should generally not be consumed. Eating spoiled tomatoes may lead to infection and gastrointestinal discomfort, such as nausea, vomiting, abdominal pain, and diarrhea.
2. Are they toxic?
Under normal circumstances, green tomatoes that have ripened and turned red are non-toxic. In their unripe green stage, tomatoes contain a naturally occurring alkaloid called solanine. Consuming excessive amounts of solanine may cause symptoms of poisoning, including dizziness, nausea, abdominal pain, and diarrhea. In severe cases, it could even lead to difficulty breathing or coma.
However, once tomatoes fully ripen and turn red, the solanine content drops significantly and typically falls within a safe range, posing no harm to the human body. If tomatoes become rotten or moldy, however, other harmful substances such as mycotoxins may develop. It's important to note that even ripe red tomatoes should not be consumed in excess, as overconsumption may still cause gastrointestinal discomfort.
It is advisable to consume tomatoes in moderation according to individual needs. When storing green tomatoes, pay attention to temperature control and avoid exposure to light to prevent spoilage. In daily life, maintaining a balanced diet that includes vegetables, fruits, meats, grains, and other foods contributes to overall health.
