Green tomatoes can't be eaten. They have certain toxicity. Green tomatoes contain solanine, a toxic substance that can lead to poisoning after ingestion into the human body. Green tomatoes also contain more fruit acid. After ingestion into the human body, it will stimulate the gastric mucosa, resulting in increased gastric acid secretion, and patients are prone to symptoms of gastric discomfort.
This toxic substance is also contained in germinated potatoes, so germinated potatoes and green tomatoes are not edible. After eating, there will be toxic symptoms such as nausea, vomiting, blue skin, salivation, dizziness and so on.
Green tomatoes contain toxic substances called solanine. Eating this immature green tomato has a bitter feeling in the mouth. After eating, there can be toxic symptoms such as nausea and vomiting, which is more dangerous to eat raw. With the maturity of tomatoes, the content of solanine in tomatoes will be lower and lower, so eating red ripe tomatoes will not be poisoned.
In addition, deformed tomatoes can't be eaten. If the tomato has obvious apex or polyhedron, it shows that it is very different from the same variety. It is likely to be caused by virus or excessive use of hormones. Long term consumption will pose a threat to health.