2. Beans are rich in protein and a small amount of carotene, vitamin B and vitamin C, which are vegetables with high nutritional value. Protein content in dry matter of beans is about 2.7%, which is a good source of protein. In addition to strengthening the spleen and stomach, beans can also tonify the kidney.
3. Cucumber is rich in nutrients such as protein, sugar, vitamin B2, vitamin C, vitamin E, carotene, nicotinic acid, calcium, phosphorus, iron, etc. It has the effects of clearing away heat and toxic materials, strengthening the brain, calming the nerves, losing weight and strengthening the body. Cucumber can enhance immunity, beautify and protect skin, help to soothe the nerves and strengthen the brain, and help to lose weight.
Although cucumber can be eaten with beans, it can't be eaten with oranges, peppers and other foods. Cucumber can't be eaten with citrus. Cucumber is rich in vitamin C oxidase, and citrus is rich in vitamin C, about 25mg per 100g. When making western-style salad, cucumber is sometimes used to make the color bright, but vitamin C in citrus is easily destroyed by the decomposing enzymes in cucumber.
5. Cucumber can't be eaten with pepper. Pepper is rich in vitamin C, about 198 mg per 100 g. Cucumber contains vitamin C decomposing enzyme, which will not lose its activity when eaten raw. If eaten together, the vitamin C in pepper will be destroyed, reducing the nutritional value.