Bean products contain calcium, which is easy to slow down gastrointestinal peristalsis when eaten together with oxalic acid. Compared with the general population, pregnant women are prone to constipation and hemorrhoids because of the changes of hormones and hormones in their bodies, so they have the saying of "Ten Pregnancy and Nine Secrets". However, in addition to physical fitness and exercise habits, improper calcium supplementation may not only hinder the body's absorption of calcium, but also slow down intestinal peristalsis and lead to constipation.
Calcium supplementation is a great learning! Don't mix oxalic acid with carbonated drinks.
Nutritionist Zhao said that after calcium enters the intestine, it will combine with oxalic acid and carbonic acid in food to form calcium oxalate and calcium carbonate, which are insoluble in water and have low absorption rate. Although most of them can be excreted through feces, it is easy to reduce constipation caused by intestinal peristalsis if they are ingested in excess. In addition, oxalic acid itself will affect the absorption of minerals such as calcium and magnesium. Carbonated drinks, such as cola and soda, will combine with calcium in food to form calcium carbonate, so that the calcium intake can not play its due role in coordinating physiological functions. Therefore, it is suggested that pregnant women who want to supplement calcium can reduce the intake of carbonated drinks.
Simply put, eat calcium-containing foods such as dried fish, cheese, yogurt, salmon, sardines, clams, and bean products (including soybean milk, tofu, and dried tofu). ), black sesame seeds, etc. Avoid food rich in oxalic acid such as tea, cola, chocolate and spinach. And it is best to stagger, so that the calcium after eating can be fully utilized and the risk of constipation can be reduced. This also means that it is better for pregnant mothers to avoid touching spinach tofu soup in their home cooking.