冬季营养素缺乏的原因冬季是蔬菜的淡季,其种类和数量相对较少,尤其是在我国北方,这一现象更为突出。冬季的寒冷使宝宝的营养代谢发生变化,各种营养素的消耗量均有不同程度的增加。在这个季节宝宝往往容易缺乏维生素C和钾、钙、钠、铁等元素。蔬菜的营养价值蔬菜是人体必需维生素和矿物质的重要来源。蔬菜中含有维生素C和维生素A(胡萝卜 The reasons for the lack of nutrients in winter Winter is the off-season of vegetables, the type and quantity is relatively small, especially in northern China, the phenomenon is more prominent. Winter cold baby nutrition metabolism changes, the consumption of various nutrients have varying degrees of increase. In this season, babies often lack vitamin C and potassium, calcium, sodium, iron and other elements. The nutritional value of vegetables Vegetables are an important source of essential vitamins and minerals for the body. Vegetables contain vitamin C and vitamin A (carrots