下面酵母

上面酵母比下面酵母的乙醛含量低。

The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast .

国际上著名酒种都有其典型的口味特征，而我国则以下面酵母发酵的Lager型啤酒为主。

The famous beer in the world has its typical taste characteristic . The main type of beer in our country is Lager beer .

大多数啤酒是用下面酵母发酵而成的，酵母与嘉士伯酵母菌有关，并沉降于发酵缸底部的一种酵母。

Most beers are fermented with bottom yeasts , related to Saccharomyces carlsbergensis , which settle at the bottom of the fermentation vat .

5株通过质粒转导而获得β-葡聚糖酶基因的下面啤酒酵母，都能在啤酒主发酵期内将麦芽汁中90%以上的β-葡聚糖分解。

Five strains of Saccharomyces uvarum , having obtained the β - glucanase gene by plasmid transduc-tion , were all able to decompose P-glucan over 90 per cent in the wort during the main fermentation of beer brewing .