1. Foods that are similar to onions 1. Onions should not be matched with kelp.
Kelp is rich in iodine and calcium, while onion contains oxalic acid. If they are eaten together, it is easy to form indigestible precipitate, which will also affect the body's absorption of calcium.
2. Onions should not be paired with fish.
Although fish is rich in protein, if onion and fish are eaten together, oxalic acid in onion will be decomposed, and protein rich in fish will also be destroyed, so that the nutrition of the two foods will not be absorbed by human body.
3. Onions should not be paired with shrimp.
Shrimp meat, like many seafood products, is also rich in iodine and calcium. If shrimp and onion rich in oxalic acid are eaten together, calcium oxalate can be formed. Among the five kinds of kidney calculi, calcium oxalate stones are the most common, accounting for more than 80% in kidney calculi, so it is quite dangerous to eat them this way.
Second, eating onions taboo When eating onions, patients with some diseases must also pay attention to not eating onions, otherwise it will aggravate the condition.
1, patients with eye diseases or patients with gastrointestinal diseases are not suitable for eating onions, which will obviously aggravate their original condition after eating.
2. Patients with skin diseases are also not suitable for eating onions, which aggravate the itching of the skin.
At the same time, when eating onions, you should also pay attention to not eating too many onions at once, because onions are easy to produce volatile gases, and eating too many onions will cause flatulence and cause stomach discomfort. ?
When cooking onions, we should also pay attention to that onions are not suitable for long-term cooking. If they are cooked for a long time, the sulfonylurea butyric acid in onions will volatilize, which will have an important hypoglycemic effect. ?