leavening agent meaning in English

变质剂
膨松剂

The separation of nattokinase in leavening agent
发酵液中纳豆激酶盐析法分离的研究
And it takes only a few minutes in her company to get a sense of how her unself - conscious midwestern friendliness works as a leavening agent for the intensity of harvard
跟她在一起，不消几分钟，就会被她不自觉的美国中西部式的友谊感染，十足是个哈佛魅力发酵的代言人。
Ingredients : wheat flour , sugar , vegetable shortening , cocoa powder , color ( caramel color ) , leavening agents , flavor , edible salt , whole milk powder , soy lecithin , vanillin
配料表：小麦粉、白砂糖、植物起酥油、可可粉、色素、（焦糖色素），膨松剂，食用香精，食用盐，全脂乳粉，大豆磷脂，香兰素。