Alum has certain sterilization, bacteriostasis and disinfection effects. If the human body has the symptoms of sweaty feet, it may not be suitable for soaking feet with alum at first, but it will not bring certain disadvantages to the human body. However, everyone should pay attention to not putting too much alum. Before going to bed, add 5 grams of alum to a pot of foot bath water, stir evenly to dissolve the alum, and then soak your feet directly. High concentration alum solution is irritating to the skin and may also cause tissue ulceration.
Alum has antibacterial and astringent effects. Alum can also be used to prepare aluminum salt, fire extinguishing agent, paint, tanning material, clarifier, mordant, papermaking, waterproof agent and so on. , can also be used as food additives. In our life, it is often used to purify water and as an edible expansion agent.
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The National Health Planning Commission and other five departments stipulated that from July 1 day, steamed bread, steamed bread and other flour products (except fried flour products, batter for hanging paste, wrapped flour and fried flour) should not be added with aluminum-containing leavening agent, namely "alum", and the main components of compound leavening agent (namely baking powder) are also the above two substances. In puffed food, it is no longer allowed to use any food additives containing aluminum.
According to China Radio Station, the data show that the aluminum intake of China residents' food mainly comes from aluminum-containing food additives, which are mainly used as leavening agent for flour products, curing agent for jellyfish processing, anti-caking agent for food ingredient powder and carrier of pigment. Foods with high aluminum content include jellyfish, fried dough sticks, oil cakes, vermicelli, twist, steamed bread and so on. According to the risk assessment of the National Food Safety Risk Assessment Center, the aluminum intake of China residents is high.
For our consumers, the first thing is of course to keep a healthy diet and avoid taking too much aluminum because of partial eclipse. For children, don't eat too much puffed food properly. The other is in life, jellyfish, a food with relatively high aluminum content, should be eaten less, soaked and cleaned repeatedly before eating, and you can also know whether aluminum-containing food additives have been added to the food by reading the food label.
Baidu encyclopedia-potassium aluminum sulfate dodecahydrate
People's Network-No steamed bread noodles. A large intake of alum and aluminum will do harm to health.