leavening agent

基本解释

A bread made with a leavening agent, such as baking powder, that expands during baking and requires no leavening period beforehand.
一种用发酵剂制成的面包，如焙粉，在烘烤中膨胀而不需要预先发酵一段时间。
odict.net
And it takes only a few minutes in her company to get a sense of how her unselfconscious 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。
In cereals and oilseeds products, they can improve the quality of noodles, used as novel leavening agent, and have effect on quick_frozen boiled dumplings.
在粮油制品中对面条的改良作用，可以制作新型膨松剂，对速冻水饺的影响；