Scientists' research and analysis show that the properties of cold boiled water are very close to those of biological cells, and it is easier to penetrate the cell membrane and has peculiar biological activity. People often drink cold boiled water, which will improve the ability of internal organs to produce dehydrogenase, reduce the accumulation of lactic acid in muscle tissue and relieve fatigue. Drinking cold boiled water often can promote metabolism, increase the content of heme in blood, enhance disease resistance and prevent pharyngitis. Washing the skin with cold boiled water often can make the skin soft, delicate and elastic. When drinking cold boiled water, we should grasp the cooling time of the water. Generally, after being exposed to the air for more than four hours after cooling, the gas will be dissolved again, and the wonderful biological activity of cold boiled water will lose more than 70%. So it's best to use cold boiled water within four hours. After the air dish filled with cold boiled water is covered, direct contact with air is avoided, and the service time can be relatively prolonged.
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