Thermos can put tea

Summer, people are accustomed to using old thermos bottles with tea, milk and other fruit juice drinks, scale contained in those heavy metal elements,

encounter acid, alkali, alcohols, lipids and other chemicals will dissolve, so that the scale dissolves into tea, milk, fruit juice,

obviously very unfavorable to health. The correct way to apply baking soda or alkaline water or with heated rice vinegar loaded with people

Container, repeated shaking to remove the scale before you can load things. Tea composition is very complex, containing a variety of substances needed by the human body, like vitamins, amino acids, carbohydrates, etc., but the vitamins in the tea is not heat-resistant, the water is too hot will make the vitamins destroyed.　Make tea with ceramic pots, cups, should not use insulation cups, because the insulation cup tea, tea water for a long time to maintain high temperature, tea in some of the aromatic oils escape, the flavor will be reduced. At the same time, tea contains tannins, with insulation cup tea, generally too much water, water temperature is too high, thus leaching too much tannins and theophylline, tea will have a bitter taste, and tannins can make the protein coagulation of bacteria, and thus will lose some of the nutrients of tea.