Sourdoughbread is a fermented bread which contains lactic acid bacteria and so does fermented soy.
酵母面包是一种发酵了的面包，它含有乳酸菌，发酵大豆中也含有乳酸菌。
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BAS light Liquid sourdough produced through a completely natural multistage fermentation process. Specially elaborated for the production of all types of dark and light bread.