A large amount of tannic acid of tea can combine difficult material that dissolve unable to absorb with iron, zinc of food, etc., it cause the iron in the food to lose in vain.
A large amount of tannic acid of tea can combine difficult material that dissolve unable to absorb with iron, zinc of food, etc., it cause the iron in the food to lose in vain.
茶中大量鞣酸可与食物中的铁、锌等结合成难以溶解的物质无法吸收，致使食物中的铁质白白丢失。