They contain ingredients unfamiliar to domestic kitchens such as soy protein isolate (in cereal bars or shakes with added protein) and " mechanically separated meat" (turkey hotdogs, sausage rolls).
这些食物含有国内厨房不常见的原料,比如大豆分离蛋白(蛋白谷物棒或蛋白奶昔)与“机械分离肉”(火鸡热狗、香肠卷)。