In addition to its own calories, the spices put in the cooking process will also increase its calories, and the way of boiling can not only cook vegetables and remove some harmful substances, but also eat them without any spices, so the way of boiling vegetables has the lowest calories.

However, most vegetables are low in calories, and proper seasoning can not only improve the taste, but also supplement the body with necessary substances, so vegetables can choose corresponding practices according to their own preferences.

Can you lose weight by eating green vegetables? Yes

Vegetables are low in calories and rich in dietary fiber, vitamins and other substances that can accelerate human metabolism. After eating, they can effectively reduce the intake of calories and fat and promote the discharge of metabolic waste in the body. Therefore, vegetables are good for losing weight after meals.

However, it should be noted that the nutritional components of green vegetables are not comprehensive. If you lose weight through green vegetables for a long time, it will lead to unbalanced nutrient intake and adverse effects on health, so you must have a balanced diet during weight loss.

Vegetables will turn yellow if cooked for a long time. Is it poisonous? No poison.

Vegetables will turn yellow if cooked for a long time, because the chlorophyll in them is destroyed because of overcooking. However, this is a normal phenomenon, and there are no substances harmful to human health, so vegetables cooked for a long time are not toxic.

However, it should be noted that if vegetables are cooked for a long time, they will not only turn yellow, but also lose a lot of nutrients, resulting in a great decline in nutritional value and edible taste. Therefore, if vegetables are cooked for too long, they are not suitable for eating.

Can vegetables be eaten when they turn black? Generally, it is not edible.

Vegetables will turn black, which is usually caused by corruption. However, spoiled vegetables will not only lose their original edible value, but also produce substances harmful to human health. If you continue to eat them, it is easy to cause symptoms of food poisoning such as nausea, vomiting, abdominal pain and diarrhea, and even dehydration and syncope in severe cases. Therefore, vegetables are generally inedible after they turn black.