Tobacco leaf leavening is a complex biochemistry process.

烟叶发酵是一复杂的生化过程。

They give the product good taste and make it suitable used as leavening agents.

它们赋予产品良好的风味，适于作食品发酵剂。

Rye dough leavening is achieved by a sour dough formulation which includes lactic and acetic acid bacteria.

黑麦面团的发酵可通过使用乳酸菌和乙酸菌来酸化面团来完成。

The dosage of technological parameter and feasible emulsification and concentrated aid and leavening was confirmed.

确定了该产品制作的主要工艺参数、适宜的乳化剂、增稠剂、发酵剂的用量。

Deep in his soul something stirred so small, so fine, so keen and leavening that his hard fibres did not recognize it.

在他的灵魂深处似乎有什么东西在搅动，如此微小、如此精细、如此纤巧，在发酵，而他那僵硬的神经都感觉不到。