选购时应注意:1、选品牌。优先在正规的大型商场、超市中购买知名品牌的产品。2、看标识。选购时最好选购有预包装的产品并注意产品的标签标识。因膨化食品油脂含量一般较高,如果保存不当,受高温和高湿度的影响,易造成产品变质,所以在购买时特别注 Should pay attention to purchase: 1, choose the brand. Priority in the formal large-scale shopping malls, supermarkets to buy well-known brand products. 2, look at the logo. When buying the best buy pre-packaged products and pay attention to the label of the product label. Due to the puffed food generally high content of fat, if not properly preserved, subject to high temperature and high humidity, easy to cause deterioration of the product, so the special note at the time of purchase